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Daikin RWEYQ26PY1 [340/342] Drawings flow charts
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Si30-813
Drawings & Flow Charts v
Drawings & Flow Charts
A
Abnormal Discharge Pipe Temperature ...............203
Abnormal Indoor Fan Motor .................................173
Abnormal Power Supply Voltage .........................181
Actuation of High Pressure Switch .......................195
Actuation of Low Pressure Sensor .......................197
Address Duplication of Centralized Controller .....238
Address Duplication, Improper Setting .........247, 254
C
Centralized Control Group No. Setting .................118
BRC1C Type .................................................118
BRC7C Type .................................................119
Group No. Setting Example ...........................119
Check Operation not executed .............................228
Compressor Motor Lock .......................................199
D
Display “Under Host Computer Integrate Control”
Blinks (Repeats Double Blink) ......................260
Display “Under Host Computer Integrate Control”
Blinks (Repeats Single Blink) ........................257
Drain Level above Limit ........................................184
Drain Pump Control ................................................89
When the Float Switch is Tripped and “AF” is
Displayed on the Remote Controller ...90
When the Float Switch is Tripped During Cooling
OFF by Thermostat .............................89
When the Float Switch is Tripped During Heating
Operation ............................................90
When the Float Switch is Tripped While the
Cooling Thermostat is ON ..................89
E
Error of External Protection Device ......................168
Example of Connection ........................................307
Example of Transmission Line Connection...........132
External Appearance ..............................................11
Indoor Units .....................................................11
Outside Units ...................................................12
F
Failure of Combination (Between Indoor unit PC
Board and Fan PC Board) ............................190
Failure of Transmission (Between Indoor unit PC
Board and Fan PC Board) ............................186
Fan Motor (M1F) Lock, Overload .........................172
Freeze Prevention ..................................................98
Functional Parts Layout .........................................49
RWEYQ8P, 10P ..............................................49
H
Heater Control ........................................................96
Hot Start Control (In Heating Operation Only) .......95
I
Improper Combination of Optional Controllers for
Centralized Control .............................. 245, 252
Indoor & Outside Units and Remote Controller
Combination Failure ..................................... 237
Inverter Compressor Abnormal ........................... 216
Inverter Current Abnormal ................................... 217
Inverter Over-Ripple Protection ........................... 221
Inverter Start Up Error ......................................... 218
L
Louver Control for Preventing Ceiling Dirt ............. 91
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure .............. 223
M
Malfunction of Capacity Determination Device .... 185
Malfunction of Discharge Pipe Pressure
Sensor .......................................................... 213
Malfunction of Discharge Pipe Thermistor
(R3T) ............................................................ 208
Malfunction of Drain Level Control System
(S1L) ............................................................ 170
Malfunction of Heat Exchanger Gas Pipe Thermistor
(R4T) ............................................................ 209
Malfunction of Humidity Sensor System .............. 192
Malfunction of Inverter Radiating Fin Temperature
Rise (R1T) .................................................... 215
Malfunction of Inverter Radiating Fin Temperature
Sensor .......................................................... 222
Malfunction of Liquid Pipe Thermistor (R6T) ....... 211
Malfunction of Moving Part of Electronic Expansion
Valve (20E) .................................................. 182
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y3E) ......................................... 201
Malfunction of Sub Cooling Heat Exchanger Outlet
Thermistor (R5T) .......................................... 212
Malfunction of Suction Pipe Pressure Sensor ..... 214
Malfunction of Swing Flap Motor (MA) ................ 179
Malfunction of System, Refrigerant System Address
Undefined ..................................................... 242
Malfunction of Thermistor (R1T) for
Suction Air .................................................... 191
Malfunction of Thermistor (R2T) for
Heat Exchanger ........................................... 188
Malfunction of Thermistor (R2T) for
Suction Pipe ................................................. 210
Malfunction of Thermistor (R3T) for
Gas Pipes ..................................................... 189
Malfunction of Thermostat Sensor in
Remote Controller ........................................ 193
Malfunction of Transmission between Centralized
Controller and Indoor Unit .................... 239, 248
Malfunction of Transmission between Indoor and
Outside Units in the Same System .............. 235
Содержание
- Combination of outside units 3 5 capacity range 4 2
- Features 2
- Functional parts layout 9 2
- Introduction vi 2
- Model names of indoor outside units 0 3 external appearance 1 2
- Part 1 general information 2
- Part 2 specifications 5 2
- Part 3 refrigerant circuit 5 2
- Refrigerant circuit 6 2
- Refrigerant flow for each operation mode 1 2
- Specifications 6 2
- Table of contents 2
- Water cooled heat pump heat recovery 50 60hz 2
- Function general 2 3
- Normal control 1 3
- Other control 8 3
- Outline of control indoor unit 9 3
- Outside unit pc board layout 05 3 field setting 06 3
- Part 4 function 1 3
- Part 5 test operation 9 3
- Protection control 6 3
- Special operation 2 3
- Standby 8 3
- Startup control 9 3
- Stop 5 3
- Test operation 00 3
- Part 6 troubleshooting 51 4
- Troubleshooting by indication on the remote controller 68 4
- Troubleshooting by remote controller 54 4
- Troubleshooting op central remote controller 43 5
- Troubleshooting op schedule timer 48 5
- Troubleshooting op unified on off controller 55 5
- Drawings flow charts v 6
- Example of connection 07 6 thermistor resistance temperature characteristics 09 7 pressure sensor 11 8 method of checking the inverter s power transistors and diode modules 12 6
- Index i 6
- List of electrical and functional parts 00 6
- Option list 06 6
- Part 7 procedure for mounting dismounting of 6
- Part 8 appendix 71 6
- Part 9 precautions for new refrigerant r 410a 15 6
- Piping diagrams 72 6
- Precautions for new refrigerant r 410a 16 6
- Procedure for mounting dismounting of switch box 68 6
- Switch box 67 6
- Wiring diagrams 77 6
- Caution in repair 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Cautions regarding products after repair 8
- Warning 8
- Caution 9
- Inspection after repair 9
- Warning 9
- Caution 10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 10
- Using icons 10
- Using icons list 10
- Preface 11
- Combination of outside units 3 5 capacity range 4 12
- Features 12
- Model names of indoor outside units 0 3 external appearance 1 12
- Part 1 general information 12
- A water cooled intelligent individual air conditioning system suitable for tall multi storeyed build ings 13
- Design flexibility 13
- Easy installation 13
- Energy saving 13
- Enhanced usability 13
- Features 13
- What are its advantages 13
- What is water cooled vrv iii 13
- Cooling tower boiler for heating 14
- Refrigerant piping 14
- To cooling tower closed type boiler 14
- To indoor units 14
- Water piping 14
- Design flexibility 15
- Enhanced design flexibility and cold climate capability 15
- E d c b 16
- Long refrigerant piping length 16
- Max 120 m 16
- Max 140 m max 300 m 16
- Compact and lightweight 17
- Easy installation 17
- All cooling operation 18
- All heating operation 18
- Cooling and heating operation 18
- Cooling tower closed type boiler 18
- Energy saving 18
- Heat absorption 18
- Heat absorption from loop 18
- Heat absorption operation 18
- Heat absorption tendency heat recovery operation 18
- Heat radiation operation 18
- Heat radiation tendency heat recovery operation 18
- Heat recovery 18
- Heat recovery operation 18
- Heat recovery operation between the vrv wiii units 18
- Heat rejected 18
- Heat rejected to loop 18
- Heat transfer 18
- Mainly cooling part heating operation 18
- Mainly heating part cooling operation 18
- Mm 550 mm 18
- Note above system configurations are for illustration purposes only 18
- Simultaneous heating and cooling operation within the refrigerant system 18
- Stage 1 stage 2 18
- The first stage between indoor units the second stage between vrv wiii units 18
- Vrv wiii 18
- A variety of functions that realise easy installation and improve reliability 19
- Centralised interlocking function 19
- Easily responds to simultaneous heating and cooling needs 19
- Enhanced usability 19
- Interlocking 19
- New bs unit for heat recovery can improve comfortability by switching between cooling and heating operation independently 20
- Bs units 21
- Combination of outside units heat pump heat recovery 21
- General information 21
- Indoor units 21
- Model names of indoor outside units 21
- Model names of indoor outside units si30 813 21
- Note fxdq has following 2 series as show below fxdq pbvet nbvet without drain pump for general asia except for eu china and australia fxdq pbve nbve with drain pump bev unit is required for fxuq only ma rohs directive models specifications dimensions and other functions are not changed compared with m type 21
- Note no compatibility between bsvq m 21
- Outside units 21
- Power supply v1 1 φ 220 240v 50hz vju 1 φ 208 230v 60hz 21
- Power supply ve 1 φ 220v 60hz 1 φ 220 240v 50hz v1 1 φ 220 240v 50hz 21
- Power supply y1 3 φ 380 415v 50hz yl 3 φ 380v 60hz tl 3 φ 220v 60hz 21
- Bs units 22
- Ceiling mounted built in type 22
- Ceiling mounted cassette corner type 22
- Ceiling mounted cassette type double flow 22
- Ceiling mounted cassette type round flow 22
- Ceiling mounted duct type 22
- Ceiling mounted duct type middle and high static pressure 22
- Ceiling suspended cassette type 22
- Ceiling suspended type 22
- Concealed floor standing type 22
- External appearance 22
- Floor standing type 22
- General information 11 22
- Indoor units 22
- Si30 813 external appearance 22
- Slim ceiling mounted duct type 22
- Wall mounted type 22
- Outside units 23
- Rweyq16 18 20p 23
- Rweyq24 26 28 30p 23
- Rweyq8 10p 23
- Combination of outside units 24
- Capacity range 25
- Capacity range si30 813 25
- General information 25
- Indoor units 25
- Note fxdq has following 2 series as show below fxdq pbvet nbvet without drain pump for general asia except for eu china and australia fxdq pbve nbve with drain pump 25
- Outside units 25
- Part 2 specifications 26
- Specifications 6 26
- Specifications 27
- Specifications si30 813 27
- Si30 813 specifications 28
- Specifications 17 28
- Specifications 29
- Specifications si30 813 29
- Si30 813 specifications 30
- Specifications 19 30
- Bs units 31
- Specifications 31
- Specifications si30 813 31
- Ceiling mounted cassette round flow type 32
- Indoor units 32
- Si30 813 specifications 32
- Specifications 21 32
- Ceiling mounted cassette round flow type 33
- Specifications 33
- Specifications si30 813 33
- Ceiling mounted cassette type double flow 34
- Si30 813 specifications 34
- Specifications 23 34
- Ceiling mounted cassette type double flow 35
- Specifications 35
- Specifications si30 813 35
- Ceiling mounted cassette corner type 36
- Si30 813 specifications 36
- Specifications 25 36
- Slim ceiling mounted duct type ve with drain pump vet without drain pump 37
- Specifications 37
- Specifications si30 813 37
- Si30 813 specifications 38
- Slim ceiling mounted duct type ve with drain pump vet without drain pump 38
- Specifications 27 38
- Ceiling mounted built in type 39
- Specifications 39
- Specifications si30 813 39
- Ceiling mounted built in type 40
- Si30 813 specifications 40
- Specifications 29 40
- Ceiling mounted built in type 41
- Specifications 41
- Specifications si30 813 41
- Ceiling mounted duct type 42
- Si30 813 specifications 42
- Specifications 31 42
- Ceiling mounted duct type 43
- Specifications 43
- Specifications si30 813 43
- Ceiling mounted duct type 44
- Si30 813 specifications 44
- Specifications 33 44
- Ceiling mounted duct type 45
- Specifications 45
- Specifications si30 813 45
- Ceiling suspended type 46
- Si30 813 specifications 46
- Specifications 35 46
- Specifications 47
- Specifications si30 813 47
- Wall mounted type 47
- Si30 813 specifications 48
- Specifications 37 48
- Wall mounted type 48
- Floor standing type 49
- Specifications 49
- Specifications si30 813 49
- Floor standing type 50
- Si30 813 specifications 50
- Specifications 39 50
- Concealed floor standing type 51
- Specifications 51
- Specifications si30 813 51
- Concealed floor standing type 52
- Si30 813 specifications 52
- Specifications 41 52
- Ceiling suspended cassette type 53
- Specifications 53
- Specifications si30 813 53
- Bev units 54
- Connection example 54
- Consideration matter 54
- Distance between indoor unit and bev unit must be within 5m 54
- Installation pattern maintenance 54
- Level installation it hangs by two hangers 2 vertical installation wall surface mounted 54
- Outline figure 54
- When connecting centralized control device it is necessary to install an interface adaptor for skyair series in an indoor unit 54
- Wiring work the connecting line between skyair indoor unit bev unit 3 cores like a transmission line bev unit s power supply line single phase 2 line like a vrv indoor unit bev unit other vrv indoor unit or outdoor unit 2 cores diii network wiring super wiring 2 piping work skyair side outdoor unit side they are both flare connection 54
- Functional parts layout 9 56
- Part 3 refrigerant circuit 56
- Refrigerant circuit 6 56
- Refrigerant flow for each operation mode 1 56
- Refrigerant circuit 57
- Refrigerant circuit si30 813 57
- Rweyq8p 10p 57
- Refrigerant circuit 47 58
- Rweyq8p 10p 58
- Si30 813 refrigerant circuit 58
- Bs unit functional parts 59
- Bsvq100 160 250pv1 bsvq36 60pvju 59
- Indoor side outdoor side 59
- Functional parts layout 60
- Functional parts layout solenoid valve etc 60
- Refrigerant circuit 49 60
- Rweyq8p 10p 60
- Si30 813 functional parts layout 60
- Front view 61
- Functional parts layout si30 813 61
- Refrigerant circuit 61
- Sensors 61
- A cooling operation 62
- In case of heat pump connection 62
- Refrigerant circuit 51 62
- Refrigerant flow for each operation mode 62
- Si30 813 refrigerant flow for each operation mode 62
- B heating operation 63
- Indoor unit 63
- Indoor unit operation 63
- Outside unit 1 63
- Refrigerant circuit 63
- Refrigerant flow for each operation mode si30 813 63
- To other indoor units 63
- A cooling operation 64
- In case of heat recovery connection one outside unit installation 64
- Indoor unit operation 64
- Refrigerant circuit 53 64
- Si30 813 refrigerant flow for each operation mode 64
- B heating and simultaneous cooling heating operation when the outdoor water cooled heat exchanger is used as condenser 65
- Bs unit 65
- Indoor unit 65
- Indoor unit operation 65
- Outside unit indoor unit 65
- Refrigerant circuit 65
- Refrigerant flow for each operation mode si30 813 65
- To other indoor units 65
- Bs unit 66
- C heating and simultaneous cooling heating operation mode when the outdoor water cooled heat exchanger is used as evaporator in case there are indoor units operating with cooling thermostat on 66
- Indoor unit 66
- Indoor unit operation 66
- Outside unit indoor unit 66
- Refrigerant circuit 55 66
- Si30 813 refrigerant flow for each operation mode 66
- To other indoor units 66
- A cooling operation 68
- In case of heat recovery connection 3 outside units connection 68
- Indoor unit operation 68
- Refrigerant circuit 57 68
- Si30 813 refrigerant flow for each operation mode 68
- B heating and simultaneous cooling heating operation mode when the outdoor water cooled heat exchangers are used only as condenser 69
- Indoor unit operation 69
- Refrigerant circuit 69
- Refrigerant flow for each operation mode si30 813 69
- C heating and simultaneous cooling heating operation mode when the outdoor water cooled heat exchangers are used as condenser and evaporator mixed 70
- Indoor unit operation 70
- Refrigerant circuit 59 70
- Si30 813 refrigerant flow for each operation mode 70
- D heating and simultaneous cooling heating operation mode when the outdoor water cooled heat exchangers are used only as evaporator 71
- Indoor unit operation 71
- Refrigerant circuit 71
- Refrigerant flow for each operation mode si30 813 71
- Function general 2 72
- Normal control 1 72
- Other control 8 72
- Outline of control indoor unit 9 72
- Part 4 function 72
- Protection control 6 72
- Special operation 2 72
- Standby 8 72
- Startup control 9 72
- Stop 5 72
- Function general 73
- Symbol 73
- Cooling operation 1 heating operation 1 cooling heating simultaneous operation 1 bs unit indoor unit operation 1 slave unit stopping function 2 compressor control 5 electronic expansion valve control 5 heat exchanger mode control 5 74
- Figures in the parentheses indicate the description nos of functional operation shown in the following pages 74
- Function 63 74
- High pressure protection control 6 low pressure protection control 6 discharge pipe protection control 6 inverter protection control 6 refrigerant drift prevention 7 74
- Operation mode 74
- Pump down residual operation 7 74
- Restart standby 3 clankcase heater control 3 74
- Si30 813 function general 74
- Normal operation 75
- Stopping operation 76
- This operation is used to define the operation of the actuator while the system stops 76
- When system is in stop mode 76
- 1 mode a or b operation 77
- Mode a master unit collects refrigerant 77
- Mode b slave unit storage refrigerant 77
- Stopping operation of slave units during master unit is in operation with multi outside unit system 77
- The changeover operation for mode a and b is performed for the reason that the required refrigerant amount varies depending on the indoor unit operation capacity 77
- This operation is used to make adjustments of required refrigerant amount with non operating slave units while the master unit is in operation in cooling operation the system operates in mode a or mode b listed in the table below 77
- Abnormal stop 78
- In heating operation or simultaneously in cooling heating operation the system operates in mode a or mode b listed in the table below 78
- In order to protect compressors if any of the following items has an abnormal value the system will make stop with thermostat off and the malfunction will be determined according to the number of retry times 78
- Mode a master unit collects refrigerant 78
- Mode a or b operation 78
- Mode b slave unit storage refrigerant 78
- The changeover operation for mode a and b is performed for the reason that the required refrigerant amount varies depending on the indoor unit operation capacity 78
- Crankcase heater control 79
- Crankcase heater off 79
- Crankcase heater on 79
- Discharge pipe temp 70 c 79
- Forced standby is performed to prevent frequent repetition of on off of the compressor and to equalize pressure in the refrigerant system 79
- In order to prevent the refrigerant from dwelling in the compressor in the stopped mode this mode is used to control the crankcase heater 79
- Restart standby 79
- Standby 79
- Both master and slave units operate same time for changing 4 way valve position 80
- Cooling start up control 80
- Normal operation after completion 80
- Startup control 80
- This startup control is used to provide the following control to reduce the compressor load resulting from liquid return or else during compressor startup and also determine the position of four way valves 80
- Both master and slave units operate same time for changing 4 way valve position 81
- Heating start up control 81
- Normal operation after completion 81
- Compressor control 82
- Compressor pi control carries out the compressor capacity pi control to maintain te at constant during cooling operation and tc at constant during heating operation to ensure stable unit performance 82
- Cooling heating simultaneous operation 82
- Cooling operation 82
- Heating operation 82
- Normal control 82
- A 1 compressor operation 83
- B 2 compressor operation 83
- C 3 compressor operation 83
- Compressor operation frequency steps 83
- Depending on operational conditions operation pattern may be different from the description above 83
- Function 83
- Normal control si30 813 83
- One outside unit installation 2 two outside units connection installation 83
- Three outside units connection installation 83
- Akes pi control of the electronic expansion valve y3e to keep the superheated degree of the outlet gas pipe on the evaporator side for the full use of the sub cooling heat exchanger when the discharg 84
- Electronic expansion valve control 84
- Heating operation to lower the discharg 84
- Is lower than 9 84
- Is over 9 84
- Main electronic expansion valve ev1 control carries out the electronic expansion valve y1e pi control to maintain the evaporator outlet superheated degree sh at constant during heating operation to make maximum use of the outside unit heat exchanger evaporator 84
- Sub cooling electronic expansion valve ev3 control cooling operation makes pi control of the electronic expansion valve y3e to keep the superheated degree of the outlet gas pipe on the evaporator side for the full use of the sub cooling heat exchanger 84
- The optimum initial value of the evaporator outlet superheated degree is 5 c but varies depending on the discharge pipe superheated degree of inverter compressor 84
- When the discharg 84
- Heat exchange mode in heating operation or simultaneous cooling heating operation 85
- In heating or simultaneous cooling heating operation a target condensing and evaporating temperature can be secured by switching the water heat exchanger of the outside unit into evaporator or condenser with load 85
- One outside unit installation 85
- Two outside units installation 85
- Function 75 86
- Si30 813 normal control 86
- Three outside units installation 86
- High pressure protection control 87
- In cooling operation 87
- In heating operation or simultaneous cooling heating operation 87
- Protection control 87
- This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure 87
- In cooling operation 88
- In heating or cooling heating simultaneous operation when the outside unit heat exchanger is used as evaporator 88
- Low pressure protection control 88
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 88
- 1 pe lp pressure sensor detection value for each outside unit 2 this frequency control is carried out in each outside unit 89
- In heating or cooling heating simultaneous operation when the outside unit heat exchanger is used as condenser 89
- Discharge pipe protection control 90
- Discharge pipe protection control is carried out in each outside unit 90
- Inv compressor 90
- Normal operation 90
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 90
- A for 260 sec 220v unit 91
- Inverter current protection control and inverter fin temperature control are performed to prevent tripping due to a malfunction or transient inverter overcurrent and fin temperature increase 91
- Inverter fin temperature control 91
- Inverter overcurrent protection control 91
- Inverter protection control 91
- This control is carried out in each outside unit 91
- Cooling fan control 92
- In order to prevent the running out of refrigerating machine oil in the compressor the oil flowing out from the compressor to the system side is collected through the oil return operation 93
- Oil return operation 93
- Oil return operation in cooling operation 93
- Special operation 93
- Starting conditions start oil return operation in cooling operation referring to the following conditions cumulative oil return amount timer cumulative compressor operating time after power supply turns on exceeds 2 hours and the time after the completion of previous oil return operation exceeds 8 hours furthermore the cumulative oil return is calculated according to tc te and compressor load 93
- Oil return operation in heating or cooling heating simultaneous operation 94
- Starting conditions start oil return operation in heating operation referring to the following conditions cumulative compressor operating time after power supply turns on exceeds 2 hours and the time after the completion of previous oil return operation exceeds 8 hours and cumulative oil return is calculated based on tc te compressor load 94
- Elapse of a certain period of time 95
- In condition after a certain continuous period of time has passed under the following conditions oil return operation starts 95
- Oil return operation of water heat exchanger 95
- Oil return operation of water heat exchanger when the water heat exchanger is used as evaporator during heating or simultaneous cooling heating operation the operation that the oil accumulated in the water heat exchanger is returned to compressor is conducted 95
- S2 1 water heat exchanger is an evaporator 95
- Cooling operation mode 96
- If any liquid refrigerant remains in the heat exchanger during compressor startup the liquid refrigerant will enter the compressor resulting in the dilution of the refrigerating machine oil in the compressor and the degradation of lubricating capacity therefore before the compressor stops pump down operation is performed to collect the refrigerant in the heat exchanger 96
- Pump down residual operation control 96
- Heating simultaneous cooling heating mode 97
- 1 in case of cooling heating changeover connection 98
- 2 in case of cooling heating simultaneous connection 98
- Refrigerant drift prevention 98
- Refrigerant drift prevention control is carried out in order to prevent refrigerant drift among outside units during heating operation using outside multiple connection excessively charged refrigerant in outside units are collected and transferred to other outside units that are running out of gas by controlling the solenoid valve 98
- When the superheated at the evaporator outlet degree is large open the solenoid valve svg for venting receiver gas of the outside units that are running out of gas 98
- When the superheated degree at the evaporator outlet is large open the solenoid valve svg for venting receiver gas of the outside units that are running out of gas and the solenoid valve svl for pressurizing the receiver of the excessively charged outside units 98
- After oil return operation 99
- At the beginning of the starting control 99
- Details of outside unit rotation in the case of multi outside unit system each outside unit is given an operating priority for the control outside unit rotation makes it possible to change the operating priority of outside units thus the system becomes free of compressors that stop over an extended period of time at the time of partial loading preventing unbalanced oil level 99
- Example the following diagram shows outside unit rotation in combination of 3 outside units 99
- In the case of multi outside unit system this outside unit rotation is used to prevent the compressor from burning out due to unbalanced oil level between outside units 99
- Master unit slave unit 1 and slave unit 2 in this section are the names for installation they are determined in installation work and not changed thereafter these names are different from master unit and slave unit for control the outside unit connected the control wires f1 and f2 for the indoor unit should be designated as master unit consequently the led display on the main pc board for master unit slave unit 1 and slave unit 2 do not change refer to the page 101 99
- Other control 99
- Outside unit rotation 99
- Timing of outside unit rotation 99
- Drain pump control 100
- Outline of control indoor unit 100
- When the float switch is tripped during cooling off by thermostat 100
- When the float switch is tripped while the cooling thermostat is on 100
- When the float switch is tripped and af is displayed on the remote controller 101
- When the float switch is tripped during heating operation 101
- Louver control for preventing ceiling dirt 102
- Thermostat sensor in remote controller 103
- Assuming that the suction air temperature at the time of starting the dry operation is tro and the suction air temperature in operation is tr 105
- Function 105
- Furthermore while in dry operation mode fans operate at l flow rate stops for a period of six minutes while the thermostat is off and then return to operation at l flow rate this control is used to prevent a rise in indoor temperature while in thermostat off mode 105
- Outline of control indoor unit si30 813 105
- Thermostat control in dry operation 105
- Thermostat control while in normal operation 105
- Vrv multi systems are set at factory to thermostat control mode using the remote controller while in normal thermostat differential control mode i e factory set mode the thermostat turns off when the system reaches a temperature of 1 c from the set temperature while in cooling operation or of 1 c from that while in heating operation 105
- While in a single remote controller group control the body thermostat is only used fro this control furthermore while in heating operation cassette mounted indoor units conduct the thermostat control by a value compensated by 2 c for the value detected with the body thermostat through field settings the thermostat differential setting can be changed from 1 c to 0 c for details on the changing procedure refer to information on page onward 105
- While in dry operation the thermostat control is conducted according to a suction temperature at the time of starting the dry operation 105
- At startup with thermostat on or after the completion of defrosting in heating operation the indoor unit fan is controlled to prevent cold air from blasting out and ensure startup capacity detail of operation 106
- Electronic expansion valve control 106
- Furthermore the default value of the optimal evaporator outlet superheated degree condenser outlet subcooled degree is 5 deg however this default value varies with the operating performance 106
- Hot start control in heating operation only 106
- In cooling to maximize the capacity of indoor unit heat exchanger evaporator operate the electronic expansion valve under pi control so that the evaporator outlet superheated degree sh will become constant in heating to maximize the capacity of indoor unit heat exchanger condenser operate the electronic expansion valve under pi control so that the evaporator outlet superheated degree condenser outlet subcooled degree will become constant 106
- Heater control 107
- 1 l or ll only on fxfq models 108
- List of swing flap operations 108
- Swing flaps operate as shown in table below 108
- Freeze prevention 109
- Outside unit pc board layout 05 3 field setting 06 110
- Part 5 test operation 110
- Test operation 00 110
- Check work prior to turn power supply on 111
- Follow the following procedure to conduct the initial test operation after installation 111
- Procedure and outline 111
- Test operation 111
- Turn power on 111
- Caution when the 400 volt power supply is applyed to n phase by mistake replace inverter pc board a2p and control transformer t1r t2r in switch box together 112
- Check operation 113
- For the operation to be done for the first time after installation you need to perform a checking operation according to this guideline without fail otherwise abnormal code u3 appears and normal operation cannot be carried out 113
- The master unit is the outside unit to which the transmission wiring for the indoor units is connected the other outside units are sub units 113
- Check operation is not possible in other modes such as collection mode 114
- If operated within about 12 minutes after power supply has been applied to the indoor unit and outside unit h2p will turn on but the compressor does not start running before start operation make sure that the led display is correct referring to the table 6 of 1 check operation 114
- If the setting of indoor remote controller is changed before the check operation it may not be performed correctly and malfunction code uf may be displayed 114
- Remote controller displays malfunction code 114
- The check operation does not provide any means of checking the indoor units individually for that purpose perform normal operation using the remote controller after the check operation 114
- The system may require up to 10 minutes until it can start the compressor after an operation start this is a normal operation to equalize the refrigerant distribution 114
- Check of normal operation 115
- 1 microcomputer normal monitor this monitor blinks while in normal operation and turns on or off when a malfunction occurs 116
- 2 set mode display led leds display mode according to the setting 116
- 3 mode setting switch used to change mode 116
- 4 local setting switch used to make local settings 116
- Outside unit pc board 116
- Outside unit pc board layout 116
- Field set mode 117
- Field setting 117
- Field setting from remote controller 117
- First code no 117
- Mode no 117
- Second code no 117
- Unit no 117
- Wireless remote controller indoor unit 118
- Simplified remote controller 119
- Notes 1 settings are made simultaneously for the entire group however if you select the mode no inside parentheses you can also set by each individual unit setting changes however cannot be checked except in the individual mode for those in parentheses 2 the mode numbers inside parentheses cannot be used by wireless remote controllers so they cannot be set individually setting changes also cannot be checked 3 marked are factory set 4 do not make settings other than those described above nothing is displayed for functions the indoor unit is not equipped with 5 88 may be displayed to indicate the remote controller is resetting when returning to the normal mode 6 if the setting mode to equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit 7 the fxmq50 63 80 100 125pve cannot be set to 30pa the fxmq40pve cannot be set to 180 or 200pa 120
- Setting contents and code no vrv indoor unit 120
- Si30 813 field setting 120
- Test operation 109 120
- Applicable range of field setting 121
- Field setting si30 813 121
- Static pressure selection 121
- Test operation 121
- 1 filter sign setting if switching the filter sign on time set as given in the table below set time 122
- 2 ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed 122
- 3 selection of thermistor select the thermistor to control room temperature 122
- 4 filter cleaning displayed or not displayed whether or not to display filter cleaning after operation of certain duration can be selected 122
- Detailed explanation of setting modes 122
- Setting table 122
- The factory setting for the second code no is 01 and room temperature is controlled by the indoor unit suction air thermistor and remote controller thermistor when the second code no is set to 02 room temperature is controlled by the suction air thermistor when the second code no is set to 03 room temperature is controlled by the remote controller thermistor 122
- 5 airflow adjustment auto external static pressure settings make settings in either method a or method b as explained below a use the airflow auto adjustment function to make settings airflow auto adjustment the volume of blow off air is automatically adjusted to the rated quantity b select external static pressure with remote controller check that 01 off is set for the second code no in mode no 21 for airflow adjustment on an indoor unit basis in table 4 the second code no is set to 01 off at factory set change the second code no as shown in table according to the external static pressure of the duct to be connected 123
- 6 optional output switching using this setting operation output signal and abnormal output signal can be provided output signal is output between terminals k1 and k2 of customized wiring adaptor an optional accessory 123
- 7 external on off input this input is used for on off operation and protection device input from the outside the input is performed from the t1 t1 terminal of the operation terminal block x1a in the electric component box 123
- Setting table 123
- 10 setting of operation mode to auto this setting makes it possible to change differential values for mode selection while in automatic operation mode 124
- 11 auto restart after power failure reset for the air conditioners with no setting for the function same as factory setting the units will be left in the stop condition when the power supply is reset automatically after power failure reset or the main power supply is turned on again after once turned off however for the air conditioners with the setting the units may start automatically after power failure reset or the main power supply turned on again return to the same operation condition as that of before power failure 124
- 12 airflow when cooling thermostat is off this is used to set airflow to ll airflow when cooling thermostat is off 124
- 8 thermostat switching differential value during thermostat on off control can be changed for details refer to 9 thermostat control while in normal operation on page 94 124
- 9 airflow setting when heating thermostat is off this setting is used to set airflow when heating thermostat is off 124
- Caution 1 the air conditioner starts operation suddenly after power failure reset or the main power supply turned on again consequently the user might be surprised with question for the reason why 2 in the service work for example turning off the main power switch during the unit is in operation and turning on the switch again after the work is completed start the unit operation the fan rotates 124
- For the above reasons when the unit is set enabling to utilize auto restart function after power failure reset utmost care should be paid for the occurrence of the following situation 124
- The automatic operation mode setting is made by the use of the operation mode selector button 124
- When thermostat off airflow volume up mode is used careful consideration is required before deciding installation location during heating operation this setting takes precedence over 7 fan stop when thermostat is off 124
- 1 mode no setting is done in a batch for the group to make or confirm settings for an individual unit set the internal mode number in parentheses 2 the figure of the ceiling height is for the all round outlet for the settings for four direction part of corner closed off three direction and two direction outlets see the installation manual and technical guide supplied with the separately sold closure material kit 125
- 13 setting of normal airflow make the following setting according to the ceiling height the setting position no is set to 01 at the factory 125
- In the case of fxaq 125
- In the case of fxfq100 125 125
- In the case of fxfq100 125 all round outlet 125
- In the case of fxfq25 80 125
- In the case of fxfq25 80 all round outlet 125
- In the case of fxhq 125
- Way 3 way 2 way outlets 125
- 14 airflow direction setting set the airflow direction of indoor units as given in the table below set when optional air outlet blocking pad has been installed the second code no is factory set to 01 126
- 15 operation of downward flow flap yes no only the model fxkq has the function when only the front flow is used sets yes no of the swing flap operation of down flow 126
- 16 setting of airflow direction adjustment range make the following airflow direction setting according to the respective purpose 126
- 17 setting of the static pressure selection 126
- In the case of fxdq20 32pb fxdq40 63nb 126
- In the case of fxuq71 125 126
- Setting table 126
- Some indoor unit models are not equipped with draft prevention upward function 126
- 18 external static pressure settings for fxmq p model 127
- 19 humidification when heating thermostat is off setting to humidification setting turns on the humidifier if suction temperature is 20ºc or above and turns off the humidifier if suction temperature is 18ºc or below when the heating thermostat is off 127
- 20 setting of direct duct connection this is used when fresh air intake kit equipped with fan is connected the indoor fan carries out residual operation for one minute after the thermostat is stopped for the purpose of preventing dust on the air filter from falling off 127
- 21 interlocked operation between humidifier and drain pump this is used to interlock the humidifier with the drain pump when water is drained out of the unit this setting is unnecessary 127
- The second code no is set to 07 an external static pressure of 100 pa at factory set 1 the fxmq50 63 80 100 125pve cannot be set to 30 pa 2 the fxmq40pve cannot be set to 180 or 200 pa 127
- 22 individual setting of ventilation this is set to perform individual operation of heat reclaim ventilation using the remote controller central unit when heat reclaim ventilation is built in switch only when heat reclaim ventilation is built in 128
- Centralized control group no setting 129
- Brc7c type 130
- Caution when turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once for about 1 minute on the liquid crystal display this is not an operative fault 130
- Group no setting by wireless remote controller for centralized control 1 when in the normal mode push button for 4 seconds or more and operation then enters the field set mode 2 set mode no 00 with button 3 set the group no for each group with button advance backward 4 enter the selected group numbers by pushing button 5 push button and return to the normal mode brc7c type 130
- Group no setting example 130
- Si30 813 field setting 130
- Test operation 119 130
- Contents of control modes 131
- Setting of operation control mode from remote controller local setting 131
- Example 132
- Rejectio 132
- Select whether to accept or to reject the operation from the remote controller regarding the operation stop temperature setting and operation mode setting respectively and determine the particular control mode from the rightmost column of the table below 132
- Selection of control mode no 132
- Si30 813 field setting 132
- Test operation 121 132
- The control mode is 1 132
- Caution 133
- Dip switch detail 133
- Dip switch setting after changing the main pc board a1p to spare parts pc board when you change the main pc board a1p to spare parts pc board please carry out the following setting 133
- Field setting from outside unit 133
- Refer ds1 1 4 ds2 1 4 setting detail on next page 133
- Setting by dip switches the following field settings are made by dip switches on pc board 133
- Bsvq100pv1 bsvq100pv13 bsvq100pv18 a b bsvq100pv19 bsvq36pvju 134
- Bsvq160pv1 bsvq160pv13 bsvq160pv18 a b bsvq160pv19 134
- Bsvq250pv1 bsvq250pv13 bsvq250pv18 a b bsvq250pv19 134
- Bsvq60pvju 134
- Detail of ds1 1 4 ds2 1 4 setting for overseas general 134
- Heat pump recovery 10hp rweyq10ptl 134
- Heat pump recovery 10hp rweyq10py1 rweyq10pyl 134
- Heat pump recovery 8hp rweyq8py1 134
- Set ds1 2 ds2 1 and ds2 3 to on 134
- Set ds1 3 and ds1 4 to on 134
- Set ds1 3 to on 134
- Set ds1 4 to on 134
- Set ds2 1 and ds2 2 to on 134
- Set ds2 1 and ds2 3 to on 134
- Setting method represents the position of switches unit 134
- Si30 813 field setting 134
- Test operation 123 134
- Unit setting method represents the position of switches 134
- Factory setting 135
- Field setting si30 813 135
- H h h h h h h h 135
- H h h h h h h l 135
- H h k h h h h k 135
- H1p h2p h3p h4p h5p h6p h7p h8p 135
- Master unit 135
- Mode changing procedure 135
- Monitor mode h1p blinks used to check the program made in setting mode 2 135
- Setting by push button switches the following settings are made by push button switches on pc board in case of multi outside unit system various items should be set with the master unit setting with the slave unit is disabled the master unit and slave unit can be discriminated with the led indication as shown below 135
- Setting mode 1 h1p off initial status when normal used to select the cool heat setting also indicates during abnormal low noise control and demand control 135
- Setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system 135
- Slave unit 1 135
- Slave unit 2 135
- Test operation 135
- There are the following three setting modes 135
- B setting mode 2 137
- Be sure to make the setting before turning on the power supply 143
- Cool heat mode switching in case of heating and simultaneous cooling heating operation connection 143
- Example of connecting transmission wiring connect the transmission wirings as shown in the fig 1 143
- Example of transmission line connection 143
- Moreover be sure to close the lid of the switch box after setting 143
- Set cool heat separately for each bs unit by cool heat selector 1 before turning on the power of the bs unit set the dip switch ds1 1 on the bs unit pc board as following 2 then connect the cool heat selector to the terminal a b and c of the terminal block x2m on the bs unit pc board 143
- This setting is read into the micro controller when turning on the power supply 143
- Cool heat mode switching in case of heat pump connection 144
- Multi outside units connection 146
- Address setting for 148
- Set lower 5 digits with binary number no to no 1 148
- Demand 1 setting 149
- Demand 2 setting 149
- In order to save the power consumption the capacity of outside unit is saved with control forcibly by using demand 1 setting or demand 2 setting to operate the unit with this mode additional setting of normal demand setting or external input by external control adaptor is required 149
- Other protection control functions have precedence over the above operation 149
- Setting of demand operation 149
- Field setting si30 813 151
- Image of operation in the case of a 151
- Image of operation in the case of a and b 151
- Image of operation in the case of b 151
- Test operation 151
- Detailed setting procedure and demand control 152
- In setting 1 push and hold the bs1 mode button for more than 5 seconds 152
- In setting mode 2 push the bs1 mode button one time 152
- Push the bs1 mode button one time 152
- Push the bs2 set button several times and match the led display with the setting content as shown below you want 152
- Push the bs2 set button several times and match the led display with the setting no you want 152
- Push the bs3 return button one time and the present setting content is displayed 152
- Push the bs3 return button two times 152
- Returns to 152
- Returns to the setting mode 1 and turns h1p off 152
- Setting mode 1 h1p off 152
- Setting mode 1 is entered and h1p lights off during the setting mode 1 is displayed in low noise operation and in demand control are displayed 152
- Setting mode 2 h1p on 152
- Setting mode 2 is entered and h1p lights 152
- Additional refrigerant charge total flow 153
- Field setting si30 813 153
- Open discharge gas liquid suction gas 153
- Setting of refrigerant additional charging operation 153
- Test operation 153
- When additional refrigerant is not charged all with outside unit in stop mode operate the outside unit and charge the liquid refrigerant from the service port of liquid stop value the additional charging operation is activated by pushbutton switch on the outside unit pc board 153
- After tightening the cap check that no refrigerant leaks are present 156
- After working securely tighten the cover of service port without fail by specified torque 156
- Always use a charge hose for service port connection 156
- Caution 156
- Compressor frequency normal cooling pi control upper limit 177hz 156
- Do not damage the cap sealing 156
- Do not forget to open the stop valve before starting operation 156
- Indoor unit expansion valve all unit 1024 pulse y3e 0 pls 156
- Indoor unit fan h tap 156
- Operation state 156
- Refer to figure below 156
- Si30 813 field setting 156
- Test operation 145 156
- Tightening torque 156
- When connecting a flare nut coat the flare inner and outer faces with ether oil or ester oil and hand tighten the nut 3 to 4 turns as the initial tightening 156
- When loosening a flare nut always use two wrenches in combination when connecting the piping always use a spanner and torque wrench in combination to tighten the flare nut 156
- Y5s y7s 4 way valve off y1e electronic expansion valve normal cooling control 156
- Setting of refrigerant recovery mode 157
- Setting of vacuuming mode 157
- Check operation 158
- Check operation function 158
- Si30 813 field setting 158
- Test operation 147 158
- To prevent any trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed coming out or misplacing with suction pipe thermistor of discharge pipe thermistor and judgment of piping length refrigerant overcharging and learning for the minimum opening degree of motorized valve 158
- Because the units will be operated in the combination with which oil pressure equalization between compressors cannot be performed 159
- Caution 159
- Emergency operation 159
- For making a compressor unable to operate due to malfunction etc be sure to conduct the work with emergency operation setting never execute work such as disconnection of the power cable from magnet contactor 159
- In the case of multi outside unit system 159
- Otherwise other normal compressors may malfunction 159
- Power transistor check operation 159
- Restrictions for emergency operation 159
- Discriminate the operating status of the master unit slave units through the following led display 160
- Emergency operation with settings in service mode 160
- In the case of multi outside unit system when the above inhibition of operation is set outside unit rotation is not functional 160
- Inhibition of operation is set with each outside unit 160
- Make the following settings with the master unit setting with the slave unit becomes disabled 160
- Notes reset the power supply during the outside unit is stopping to cancel the automatic backup operation forcibly 160
- Set setting mode 2 from no 38 to no 2 160
- Set setting mode 2 from no 39 to no 2 160
- Set setting mode 2 from no 40 to no 2 160
- To inhibit the master unit from operating 160
- To inhibit the slave unit 1 from operating 160
- To inhibit the slave unit 2 from operating 160
- Part 6 troubleshooting 162
- Troubleshooting by indication on the remote controller 68 162
- Troubleshooting by remote controller 54 162
- Troubleshooting op central remote controller 43 163
- Troubleshooting op schedule timer 48 163
- Troubleshooting op unified on off controller 55 164
- Inspection mode 165
- Local setting mode service mode 165
- Normal mode 165
- Test operation mode 165
- The following modes can be selected by using the inspection test operation button on the remote control 165
- The inspection test button 165
- Troubleshooting by remote controller 165
- Self diagnosis by wired remote controller 166
- Self diagnosis by wireless remote controller 167
- The lower digit of the code changes as shown below when the up and down buttons are pressed 168
- Operation of the remote controller s inspection test operation button 170
- Si30 813 troubleshooting by remote controller 170
- Troubleshooting 159 170
- Remote controller service mode 171
- Remote controller self diagnosis function 173
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 175
- Detail description on next page 177
- Malfunction code indication by outdoor unit pc board 177
- Push the mode button bs1 and returns to setting mode 1 177
- Push the return button bs3 and switches to the initial status of monitor mode 177
- Push the return button bs3 once to display first digit of malfunction code 177
- Push the set button bs2 and set the led display to a setting item 177
- Push the set button bs2 once to display master or slave1 or slave2 and malfunction location 177
- Push the set button bs2 once to display second digit of malfunction code 177
- Refer to p 30 for monitor mode 177
- To enter the monitor mode push the mode button bs1 when in setting mode 1 177
- Troubleshooting 177
- Troubleshooting by remote controller si30 813 177
- Indoor unit error of external protection device 179
- Troubleshooting by indication on the remote controller 179
- Indoor unit pc board defect 180
- Indoor unit malfunction of drain level control system s1l 181
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 182
- Si30 813 troubleshooting by indication on the remote controller 182
- Troubleshooting 182
- Troubleshooting 171 182
- Indoor unit fan motor m1f lock overload 183
- Abnormal indoor fan motor 184
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 185
- Troubleshooting 185
- Troubleshooting by indication on the remote controller si30 813 185
- Check on connector of fan motor power supply cable 1 turn off the power supply measure the resistance between phases of u v w at the motor side connectors three core wire to check that the values are balanced and there is no short circuiting while connector or relay connector is disconnected 186
- Si30 813 troubleshooting by indication on the remote controller 186
- Troubleshooting 175 186
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 188
- Si30 813 troubleshooting by indication on the remote controller 188
- Troubleshooting 188
- Troubleshooting 177 188
- Troubleshooting 189
- Troubleshooting by indication on the remote controller si30 813 189
- Indoor unit malfunction of swing flap motor ma 190
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 191
- Troubleshooting 191
- Troubleshooting by indication on the remote controller si30 813 191
- Abnormal power supply voltage 192
- Applicable models indoor unit fxmq40 125p 192
- Connection defect on signal line 192
- Detect malfunction checking the input voltage of fan motor 192
- Instantaneous blackout others 192
- Malfunction decision conditions 192
- Method of malfunction detection 192
- Power supply voltage malfunction 192
- Remote controller display 192
- Supposed causes the possible causes are 192
- Troubleshooting 192
- When the input voltage of fan motor is 150v and below or 386v and above 192
- Wiring defect 192
- Applicable models indoor unit fxfq fxcq fxkq fxdq fxsq fxmq fxhq fxaq fxlq fxnq fxuq 193
- Defect of connecting cable 193
- Defect of indoor unit pc board 193
- Detection by failure of signal for detecting number of turns to come from the fan motor 193
- Indoor unit malfunction of moving part of electronic expansion valve 20e 193
- Malfunction decision conditions 193
- Malfunction of moving part of electronic expansion valve 193
- Method of malfunction detection 193
- Remote controller display 193
- Supposed causes 193
- Troubleshooting 193
- When number of turns can t be detected even when output voltage to the fan is maximum 193
- 1 white 194
- 2 yellow 194
- 4 blue 194
- Coil check method for the moving part of the electronic expansion valve discount the electronic expansion valve from the pc board and check the continuity between the connector pins 194
- Continuity no continuity 194
- Normal 194
- Orange 3 194
- White 1 194
- Φ 2 φ 4 194
- Indoor unit drain level above limit 195
- Indoor unit malfunction of capacity determination device 196
- Indoor unit failure of transmission between indoor unit pc board and fan pc board 197
- After confirmation turn off the power take off the short circuit and connect x70a back to original condition 198
- Determination 01 normal other than 01 transmission defect on indoor pc board 198
- Method to check transmission part of indoor pc board turn off the power and remove the connecter x70a of indoor pc board a1p short circuit x70a after turning on the power check below numbers under local setting remote control confirmation setting position no at the condition of setting switch no 21 on mode no 41 198
- Pull out and insert the connecter once and check it is absolutely connected 198
- Troubleshooting 198
- Indoor unit malfunction of thermistor r2t for heat exchanger 199
- Indoor unit malfunction of thermistor r3t for gas pipes 200
- Applicable models indoor unit fxmq40 125p 201
- Conduct open line detection with pc board for fan a2p using indoor pc board a1p 201
- Connection defect of capacity setting adaptor 201
- Indoor unit failure of combination between indoor unit pc board and fan pc board 201
- Malfunction decision conditions 201
- Malfunction of pc board for fan a2p 201
- Method of malfunction detection 201
- Remote controller display 201
- Setting mistake on site 201
- Supposed causes the possible causes are 201
- Troubleshooting 201
- When the communication data of pc board for fan a2p is determined as incorrect 201
- Indoor unit malfunction of thermistor r1t for suction air 202
- Indoor unit malfunction of humidity sensor system 203
- Indoor unit malfunction of thermostat sensor in remote controller 204
- Applicable models outside unit rweyq8p 10p 205
- Detect abnormalities by checking communication status of the hard part between the indoor unit and outside unit 205
- Faulty communication part photo coupler on the main pc board 205
- Faulty main pc board 205
- Malfunction decision conditions 205
- Method of malfunction detection 205
- Outside unit pc board defect 205
- Remote controller display 205
- Supposed causes 205
- Troubleshooting 205
- When communication status of the hard part between the indoor unit and heat source unit is abnormal 205
- Outside unit actuation of high pressure switch 206
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 207
- Troubleshooting 207
- Troubleshooting by indication on the remote controller si30 813 207
- Outside unit actuation of low pressure sensor 208
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 209
- Troubleshooting 209
- Troubleshooting by indication on the remote controller si30 813 209
- Compressor motor lock 210
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 211
- Troubleshooting 211
- Troubleshooting by indication on the remote controller si30 813 211
- Applicable models outside unit rweyq8p 10p 212
- Check disconnection of connector check continuity of expansion valve coil 212
- Defect of connecting cable 212
- Defect of moving part of electronic expansion valve 212
- Defect of outside unit pc board a1p 212
- Error is generated under no common power supply when the power is on 212
- Malfunction decision conditions 212
- Method of malfunction detection 212
- Outside unit malfunction of moving part of electronic expansion valve y1e y3e 212
- Remote controller display 212
- Supposed causes 212
- Troubleshooting 212
- 1 white 213
- 2 yellow 213
- 4 blue 213
- Coil check method for the moving part of the electronic expansion valve discount the electronic expansion valve from the pc board and check the continuity between the connector pins 213
- Continuity no continuity 213
- Normal 213
- Orange 3 213
- White 1 213
- X26a or x28a 213
- Φ 2 φ 4 213
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 214
- Applicable models outside unit rweyq8p 10p 214
- Faulty connection of discharge pipe temperature sensor 214
- Faulty discharge pipe temperature sensor 214
- Faulty outside unit pc board 214
- Malfunction decision conditions 214
- Method of malfunction detection 214
- Outside unit abnormal discharge pipe temperature 214
- Remote controller display 214
- Supposed causes 214
- Troubleshooting 214
- When the discharge pipe temperature rises suddenly over 120 c continues 10 min 214
- When the discharge pipe temperature rises to an abnormally high level over 135 c 214
- Refrigerant overcharged 215
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 216
- Si30 813 troubleshooting by indication on the remote controller 216
- Troubleshooting 216
- Troubleshooting 205 216
- Malfunction of water system 217
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 218
- Si30 813 troubleshooting by indication on the remote controller 218
- Troubleshooting 218
- Troubleshooting 207 218
- Applicable models outside unit rweyq8p 10p 219
- Defect of outside unit pc board a1p 219
- Defect of thermistor r3t for outside unit discharge pipe 219
- Malfunction decision conditions 219
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 219
- Method of malfunction detection 219
- Outside unit malfunction of discharge pipe thermistor r3t 219
- Refer to thermistor resistance temperature characteristics table on p 10 219
- Remote controller display 219
- Supposed causes 219
- Troubleshooting 219
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 219
- Applicable models outside unit rweyq8p 10p 220
- Faulty heat exchanger gas pipe thermistor r4t 220
- Faulty outside unit pc board 220
- Malfunction decision conditions 220
- Malfunction is detected according to the temperature detected by heat exchanger gas pipe thermistor 220
- Malfunction of heat exchanger gas pipe thermistor r4t 220
- Method of malfunction detection 220
- Refer to thermistor resistance temperature characteristics table on p 09 220
- Remote controller display 220
- Supposed causes 220
- Troubleshooting 220
- When the heat exchanger gas pipe thermistor is short circuited or open 220
- Applicable models outside unit rweyq8p 10p 221
- Defect of outside unit pc board a1p 221
- Defect of thermistor r2t for outside unit suction pipe 221
- Malfunction decision conditions 221
- Malfunction is detected from the temperature detected by the suction pipe temperature thermistor 221
- Method of malfunction detection 221
- Outside unit malfunction of thermistor r2t for suction pipe 221
- Refer to thermistor resistance temperature characteristics table on p 09 221
- Remote controller display 221
- Supposed causes 221
- Troubleshooting 221
- When a short circuit or an open circuit in the suction pipe temperature thermistor is detected 221
- Applicable models outside unit rweyq8p 10p 222
- Faulty liquid pipe thermistor r6t 222
- Faulty outside unit pc board 222
- Malfunction decision conditions 222
- Malfunction is detected according to the temperature detected by receiver outlet liquid pipe thermistor 222
- Malfunction of liquid pipe thermistor r6t 222
- Method of malfunction detection 222
- Refer to thermistor resistance temperature characteristics table on p 09 222
- Remote controller display 222
- Supposed causes 222
- Troubleshooting 222
- When the liquid pipe thermistor is short circuited or open 222
- Applicable models outside unit rweyq8p 10p 223
- Faulty outside unit pc board 223
- Faulty receiver gas pipe thermistor r5t 223
- Malfunction decision conditions 223
- Malfunction is detected according to the temperature detected by sub cooling heat exchanger outlet thermistor 223
- Malfunction of sub cooling heat exchanger outlet thermistor r5t 223
- Method of malfunction detection 223
- Refer to thermistor resistance temperature characteristics table on p 09 223
- Remote controller display 223
- Supposed causes 223
- Troubleshooting 223
- When the sub cooling heat exchanger outlet thermistor is short circuited or open 223
- Applicable models outside unit rweyq8p 10p 224
- Connection of low pressure sensor with wrong connection 224
- Defect of high pressure sensor system 224
- Defect of outside unit pc board 224
- Malfunction decision conditions 224
- Malfunction is detected from the pressure detected by the high pressure sensor 224
- Method of malfunction detection 224
- Outside unit malfunction of discharge pipe pressure sensor 224
- Refer to pressure sensor pressure voltage characteristics table on p 11 224
- Remote controller display 224
- Supposed causes 224
- Troubleshooting 224
- Voltage measurement point 224
- When the discharge pipe pressure sensor is short circuit or open circuit 224
- Outside unit malfunction of suction pipe pressure sensor 225
- Actuation of fin thermal actuates above 98 c 226
- Applicable models outside unit rweyq8p 10p 226
- Defect of fin thermistor 226
- Defect of inverter pc board 226
- Fin temperature is detected by the thermistor of the radiation fin 226
- Malfunction decision conditions 226
- Method of malfunction detection 226
- Outside unit malfunction of inverter radiating fin temperature rise r1t 226
- Refer to thermistor resistance temperature characteristics table on p 09 226
- Remote controller display 226
- Supposed causes 226
- Troubleshooting 226
- When the temperature of the inverter radiation fin increases above 98 c 226
- Applicable models outside unit rweyq8p 10p 227
- Compressor start up malfunction mechanical lock 227
- Defect of compressor coil disconnected defective insulation 227
- Defect of inverter pc board 227
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 227
- Malfunction decision conditions 227
- Malfunction is detected from current flowing in the power transistor 227
- Method of malfunction detection 227
- Outside unit inverter compressor abnormal 227
- Remote controller display 227
- Supposed causes 227
- Troubleshooting compressor inspection 227
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 227
- Outside unit inverter current abnormal 228
- Outside unit inverter start up error 229
- Outside unit malfunction of transmission between inverter and control pc board 230
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 231
- Troubleshooting 231
- Troubleshooting by indication on the remote controller si30 813 231
- Applicable models outside unit rweyq8p 10p 232
- Defect of inverter pc board 232
- Defect of k1m 232
- Defect of main circuit capacitor 232
- Imbalance in supply voltage is detected in pc board 232
- Improper main circuit wiring 232
- Malfunction decision conditions 232
- Malfunction is not decided while the unit operation is continued p1 will be displayed by pressing the inspection button 232
- Method of malfunction detection 232
- Open phase 232
- Outside unit inverter over ripple protection 232
- Remote controller display 232
- Supposed causes 232
- Troubleshooting 232
- Voltage imbalance between phases 232
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status 232
- Outside unit malfunction of inverter radiating fin temperature sensor 233
- Low pressure drop due to refrigerant shortage or electronic expansion valve failure 234
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 235
- Troubleshooting 235
- Troubleshooting by indication on the remote controller si30 813 235
- Applicable models outside unit rweyq8p 10p 236
- Defect of outside pc board a1p 236
- Malfunction decision conditions 236
- Method of malfunction detection 236
- Power supply open phase 236
- Power supply reverse phase 236
- Remote controller display 236
- Reverse phase open phase 236
- Supposed causes 236
- The phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged 236
- Troubleshooting 236
- When a significant phase difference is made between phases 236
- Power supply insufficient or instantaneous failure 237
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 238
- Si30 813 troubleshooting by indication on the remote controller 238
- Troubleshooting 238
- Troubleshooting 227 238
- Check operation not executed 239
- Malfunction of transmission between indoor units 240
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 241
- Troubleshooting 241
- Troubleshooting by indication on the remote controller si30 813 241
- Applicable models indoor unit fxfq fxcq fxkq fxdq fxsq fxmq fxhq fxaq fxlq fxnq fxuq 242
- Connection of two main remote controllers when using 2 remote controllers 242
- Defect of indoor unit pc board 242
- Defect of remote controller pc board 242
- In case of controlling with 2 remote controller check the system using microcomputer is signal transmission between indoor unit and remote controller main and sub is normal 242
- Malfunction decision conditions 242
- Malfunction of indoor unit remote controller transmission 242
- Malfunction of transmission between remote controller and indoor unit 242
- Malfunction of transmission caused by noise 242
- Method of malfunction detection 242
- Normal transmission does not continue for specified period 242
- Remote controller display 242
- Supposed causes 242
- Troubleshooting 242
- Malfunction of transmission between outside units 243
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 244
- Si30 813 troubleshooting by indication on the remote controller 244
- Troubleshooting 244
- Troubleshooting 233 244
- Applicable models indoor unit fxfq fxcq fxkq fxdq fxsq fxmq fxhq fxaq fxlq fxnq fxuq 245
- Connection between sub remote controllers 245
- Defect of remote controller pc board 245
- In case of controlling with 2 remote controller check the system using microcomputer if signal transmission between indoor unit and remote controller main and sub is normal 245
- Malfunction decision conditions 245
- Malfunction of transmission between main and sub remote controller 245
- Malfunction of transmission between master and slave remote controllers 245
- Method of malfunction detection 245
- Normal transmission does not continue for specified period 245
- Remote controller display 245
- Supposed causes 245
- Troubleshooting 245
- Malfunction of transmission between indoor and outside units in the same system 246
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 247
- Troubleshooting 247
- Troubleshooting by indication on the remote controller si30 813 247
- Indoor outside units and remote controller combination failure 248
- Address duplication of centralized controller 249
- Malfunction of transmission between centralized controller and indoor unit 250
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 251
- Troubleshooting 251
- Troubleshooting by indication on the remote controller si30 813 251
- Applicable models indoor unit fxfq fxcq fxkq fxdq fxsq fxmq fxhq fxaq fxlq fxnq fxuq outside unit rweyq8p 10p 252
- Defect of indoor unit pc board 252
- Failure to execute wiring check operation 252
- Improper connection of transmission wiring between outside unit and external control adaptor for outdoor unit 252
- Malfunction decision conditions 252
- Method of malfunction detection 252
- Note test operation may not be successful if carried out after the outside unit has been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour 252
- On check operation the number of indoor units in terms of transmission is not corresponding to that of indoor units that have made changes in temperature 252
- Refrigerant system not set incompatible wiring piping 252
- Remote controller display 252
- Supposed causes 252
- The malfunction is determined as soon as the abnormality aforementioned is detected through checking the system for any erroneous connection of units on the check operation 252
- Troubleshooting 252
- Malfunction of system refrigerant system address undefined 253
- Pc board defect 254
- Troubleshooting op central remote controller 254
- Applicable models central remote controller 255
- Defect of pc board of optional controllers for centralized control 255
- Detect the malfunction according to diii net transmission data the system will be automatically reset 255
- Malfunction decision conditions 255
- Malfunction of transmission between optional controllers for centralized control 255
- Method of malfunction detection 255
- Remote controller display 255
- Supposed causes 255
- Troubleshooting 255
- When no master controller is present at the time of the startup of slave controller when the centralized controller which was connected once shows no response 255
- Improper combination of optional controllers for centralized control 256
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 257
- Troubleshooting 257
- Troubleshooting op central remote controller si30 813 257
- Address duplication improper setting 258
- Malfunction of transmission between centralized controller and indoor unit 259
- Troubleshooting op schedule timer 259
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 260
- Si30 813 troubleshooting op schedule timer 260
- Troubleshooting 260
- Troubleshooting 249 260
- Pc board defect 261
- Applicable models schedule timer 262
- Defect of pc board of optional controllers for centralized control 262
- Detect the malfunction according to diii net transmission data the system will be automatically reset 262
- Malfunction decision conditions 262
- Malfunction of transmission between optional controllers for centralized control 262
- Method of malfunction detection 262
- Remote controller display 262
- Supposed causes 262
- Troubleshooting 262
- When no master controller is present at the time of the startup of slave controller when the optional controllers for centralized control which was connected once shows no response 262
- Improper combination of optional controllers for centralized control 263
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 264
- Si30 813 troubleshooting op schedule timer 264
- Troubleshooting 264
- Troubleshooting 253 264
- Address duplication improper setting 265
- Operation lamp blinks 266
- Troubleshooting op unified on off controller 266
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 267
- Troubleshooting 267
- Troubleshooting op unified on off controller si30 813 267
- Display under host computer integrate control blinks repeats single blink 268
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 269
- Troubleshooting 269
- Troubleshooting op unified on off controller si30 813 269
- Si30 813 troubleshooting op unified on off controller 270
- Troubleshooting 259 270
- Applicable models unified on off controller 271
- Central control address group no is not set for indoor unit 271
- Detect the malfunction according to diii net transmission data 271
- Display under host computer integrate control blinks repeats double blink 271
- Improper address setting 271
- Improper wiring of transmission wiring 271
- Malfunction decision conditions 271
- Method of malfunction detection 271
- Remote controller display 271
- Supposed causes 271
- Troubleshooting 271
- Troubleshooting op unified on off controller si30 813 271
- Under host computer integrated control repeats double blink 271
- When no central control addresses are set to indoor units when no indoor units are connected within the control range 271
- 1 in cooling the outside unit electronic expansion valve y1e is fully open in normal condition 2 in heating the indoor unit electronic expansion valve is used for subcooled degree control refer to electronic expansion valve control on page 95 272
- Check for causes of rise in high pressure check 1 272
- Clogged water piping system 272
- Clogging of foreign particles 272
- Decreased fan airflow rate 272
- Degradation in condensing capacity 272
- Dirty filter 272
- Excessive refrigerant charging 272
- Faulty control pc board including capacity setting 272
- Faulty high pressure sensor 272
- Faulty indoor unit liquid pipe thermistor 272
- Faulty suction air thermistor of indoor unit 272
- Faulty water pump 272
- High ambient temperature 272
- High pipe resistance 272
- High suction air temperature of indoor unit 272
- High water temperature at the water heat exchanger inlet 272
- If a spare pc board is mounted is the capacity setting properly made 272
- Is there any obstacle in the air passage 272
- Mixing in of non condensable gas 272
- Obstacle 272
- Referring to the fault tree analysis fta shown below identify the faulty points 272
- Short circuit 272
- Si30 813 troubleshooting op unified on off controller 272
- Troubleshooting 261 272
- 1 for details of the compressor capacity control while in cooling refer to compressor control on page 71 2 the low pressure protection control includes low pressure drop control and hot gas bypass control for details refer to page 77 3 in cooling the indoor unit electronic expansion valve is used for superheated degree control for details refer to page 95 4 in heating the outdoor unit electronic expansion valve y1e is used for superheated degree control of outside unit heat exchanger for details refer to page 73 273
- Check for causes of drop in low pressure check 2 273
- Dirty filter 273
- Dirty water heat exchanger 273
- Faulty control 273
- Faulty fan motor 273
- Moisture choke 273
- Obstacle 273
- Referring to the fault tree analysis fta shown below identify the faulty points 273
- Short circuit 273
- Stop valve closed 273
- Troubleshooting 273
- Troubleshooting op unified on off controller si30 813 273
- 1 for hot gas bypass control refer to low pressure protection control on page 77 2 for subcooling electronic expansion valve refer to page 73 3 in cooling the indoor unit electronic expansion valve is used for superheated degree control refer to page 95 4 in heating the outside unit electronic expansion valve y1e is used for superheated degree control refer to page 73 5 reference values for superheated degree to be used in the judgment of overheat operation suction gas superheated degree 10 c or more discharge gas superheated degree 45 c or more excluding when it is immediately after startup under drop control or other specific conditions the values above must be used only for reference purposes even it is operated within the range above operation may be normal in other conditions 274
- Check for causes of overheat operation check 3 274
- Check to be sure the stop valve is open 274
- Conduct visual checks for pipe conditions 274
- Eliminate moisture by vacuum break 274
- Faulty control pc board 274
- Faulty discharge pipe temperature control 274
- Faulty four way changeover valve function 274
- Faulty hot gas bypass control 274
- Faulty indoor unit electronic expansion valve 274
- Faulty low pressure sensor 274
- Faulty outside unit electronic expansion valve 274
- Faulty subcooling electronic expansion valve y3e control 274
- Faulty subcooling heat exchanger outlet thermistor 274
- Faulty suction pipe thermistor 274
- Faulty superheated degree control 274
- Faulty valve body 274
- Faulty valve coil 274
- Four way changeover valve is located in an intermediate position 274
- Inadequate refrigerant quantity 274
- Including moisture choke 274
- Is the connector properly connected are the thermistor resistance characteristics normal 274
- Is the piping length in the permissible range 274
- Leakage from hot gas bypass valve 274
- Referring to the fault tree analysis fta shown below identify the faulty points 274
- Rise in discharge pipe temperature 274
- Si30 813 troubleshooting op unified on off controller 274
- Superheated compressor 274
- Troubleshooting 263 274
- 3 reference values for superheated degree to be used in the judgment of wet operation suction gas superheated degree 3 c or less discharge gas superheated degree 15 c or less excluding when it is immediately after startup under drop control or other specific conditions the values above must be used only for reference purposes even it is operated within the range above operation may be normal in other conditions 275
- Check for causes of wet operation check 4 275
- Clogged water piping system 275
- Dirty evaporator 275
- Dirty filter 275
- Dirty water heat exchanger 275
- Dwelled refrigerant 275
- Excessive refrigerant charging 275
- Faulty control 275
- Faulty water pump 275
- Obstacle 275
- Referring to the fault tree analysis fta shown below identify the faulty points 275
- Troubleshooting 275
- Troubleshooting op unified on off controller si30 813 275
- Check for excessive refrigerant charging check 5 276
- Cooling 276
- Diagnosis of excessive refrigerant charging 1 since high pressure rises overload control is carried out and therefore capacity tends to be insufficient 2 since superheated degree of suction gas decreases or it starts wet operation the temperature of the compressor discharge pipe drops too much for pressure applied 3 since the subcooling degree of condensate liquid increases the temperature of air blown through subcooled part decreases in heating 276
- Heating 276
- In case of the vrv judgment must be made based on operation conditions in relation to pressure control and electronic expansion valve control refer to the following criteria to make such decisions 276
- ªáº 276
- ŠẠ276
- Check for inadequate refrigerant quantity check 6 277
- Cooling 277
- Diagnosis of inadequate refrigerant 1 the superheated degree of suction gas increases and temperature of compressor discharge gas rises 2 the superheated degree of suction gas increases and the electronic expansion valve slightly opens 3 with low pressure cooling capacity heating capacity is unavailable 277
- Heating 277
- In case of the vrv judgment must be made based on operation conditions in relation to pressure control and electronic expansion valve control refer to the following criteria to make such decisions 277
- ŠẠ277
- Part 7 278
- Part 7 procedure for mounting dismounting of switch box 278
- Procedure for mounting dismounting of switch box 278
- Procedure for mounting dismounting of switch box 68 278
- Procedure for dismounting 279
- Procedure for mounting 279
- Procedure for mounting dismounting of switch box 279
- Example of connection 07 6 thermistor resistance temperature characteristics 09 7 pressure sensor 11 8 method of checking the inverter s power transistors and diode modules 12 282
- List of electrical and functional parts 00 282
- Option list 06 282
- Part 8 appendix 282
- Piping diagrams 72 282
- Wiring diagrams 77 282
- Outside units 283
- Piping diagrams 283
- Rweyq8p 10p 283
- Bs units 284
- Bsvq100 160 250pv1 bsvq36 60pvju 284
- Electronic expansion valve filter filter 285
- Flare connectio 285
- Flare connection 285
- Fxfq fxcq fxkq fxsq fxmq fxhq fxaq fxlq fxnq 285
- Gas piping connection port 285
- Heat exchanger 285
- Indoor unit 285
- Liquid piping connection port 285
- Φ 15 or less attached piping above φ 19 285
- Electronic expansion valve 286
- Filter filter 286
- Fxmq20p 25p 32p 40p 50p 63p 80p 100p 125pve 286
- Gas side 286
- Indoor heat exchanger 286
- Liquid side 286
- Refrigerant pipe connection port diameters 286
- Connection unit 287
- Fxuq bevq 287
- Indoor unit 287
- Appendix 277 288
- Outside unit 288
- Rweyq8py1 10py1 288
- Si30 813 wiring diagrams 288
- Wiring diagrams 288
- Appendix 289
- C 3d061378a 289
- Rweyq10pyl 289
- Wiring diagrams si30 813 289
- Appendix 279 290
- D061376a 290
- Rweyq10ptl 290
- Si30 813 wiring diagrams 290
- Outside unit field wiring 291
- Rweyq8py1 rweyq10py1 rweyq16py1 rweyq18py1 rweyq20py1 rweyq24py1 rweyq26py1 rweyq28py1 rweyq30py1 rweyq10pyl rweyq20pyl rweyq30pyl 291
- Rweyq10ptl rweyq20ptl rweyq30ptl 292
- Rweyq8py1 rweyq10py1 rweyq16py1 rweyq18py1 rweyq20py1 rweyq24py1 rweyq26py1 rweyq28py1 rweyq30py1 rweyq10pyl rweyq20pyl rweyq30pyl 293
- Rweyq10ptl rweyq20ptl rweyq30ptl 294
- Bs unit 295
- Bsvq100p 160p 250pv1 295
- Appendix 285 296
- Bsvq36p 60pvju 296
- Si30 813 wiring diagrams 296
- A1p a2p 297
- A4p a3p 297
- Appendix 297
- C1 f1u 297
- Capacitor 297
- Connector for optional parts 297
- D059890 297
- Diode bridge 297
- Electronic expansion valve 297
- Ferrite core 297
- Float switch 297
- Fuse f 5a 250v 297
- Fxfq25p 32p 40p 50p 63p 80p 100p 125pve 297
- Indoor unit 297
- Light emitting diode 297
- M1s r1t r2t r3t r4t 297
- Magnetic relay 297
- Noise filter 297
- Notes 1 terminal connector field wiring 2 in case using central remote controller connect it to the unit in accordance with the attached installation manual 3 x24a x33a and x35a are connected when the optional accessories are being used 297
- S1l v1r 297
- Selector switch main sub 297
- Selector switch wireless address set 297
- Service monitor green 297
- Terminal strip 297
- Thermistor air 297
- Thermistor coil liquid 297
- Thermistor ptc 297
- When connecting the input wires from outside forced off or on off control operation can be selected by the remote controller see installation manual for more details 5 confirm the method of setting the selector switch ss1 ss2 by installation manual and engineering data etc 6 symbols shows as follows red red blk black wht white ylw yellow grn green org orange brn brown pnk pink gry gray blu blue 297
- Wiring diagrams si30 813 297
- Fxcq20m 25m 32m 63mve 298
- Fxcq40m 50m 80m 125mve 299
- Fxkq25ma 32ma 40ma 63mave 300
- Appendix 301
- Fxdq20pb 25pb 32pb fxdq40nb 50nb 63nbve with drain pump 301
- Wiring diagrams si30 813 301
- Appendix 291 302
- Fxdq20pb 25pb 32pb fxdq40nb 50nb 63nbvet without drain pump 302
- Si30 813 wiring diagrams 302
- Appendix 303
- D039561b 303
- Fxsq20m 25m 32m 40m 50m 63m 80m 100m 125mve 303
- Hu k1m s1h x3m 303
- Humidistat terminal block e1h wired remote controller thermistor air selector switch main sub adaptor for wiring fuse 5a 250v magnetic relay magnetic relay magnetic relay e1h magnetic relay hu connector for optional parts connector adaptor for wiring connector wiring adaptor for electorical appendices 303
- Indoor unit printed circuit board a1p a2p c1 f1u hap 303
- Kcr kfr khr khur 303
- Kpr m1f m1p q1m 303
- Magnetic relay e1h 303
- Magnetic relay m1f magnetic relay m1p motor indoor fan motor drain pump thermo switch 135 c or 145 c note9 m1f embedded thermistor air thermistor coil float switch transformer 220 240v 22v terminal block power terminal block control electronic expansion valve optional parts electric heater fuse 15a 250v humidifier 303
- Notes 1 terminal block connector terminal 2 field wiring 3 in case using central remote controller connect it to the unit in accordance with the attached instruction manual 4 when connecting the input wires from outside fdrced off or on off control operation can be selected by remote controller in details refer to the installation manual attached the unit 5 in case installing the electric heater execute the additional wiring for heater circuit k1m e1h in this case the main power supply has to be supplied independently 6 in case high or low e s p operation change over the wiring connection from x4a of a2p to x3a or x5a 7 symbols show as follows pnk pink wht white ylw yellow gry gray org orange blu blue blk black red red brn brown grn green 8 use copper conductors only 9 only 80 100 125 type 303
- R1t ss1 303
- S1l t1r x1m x2m y1e 303
- Terminal board capacitor m1f fuse 5a 250v 303
- Wiring diagrams si30 813 303
- X16a x18a 303
- Appendix 293 304
- Capacitor 304
- Connector for wiring 304
- Connector optional accessory 304
- Diode bridge 304
- Electronic expansion valve 304
- F3u f2u 304
- Float switch 304
- Fuse t 3 5a 250v 304
- Fuse t 5a 250v 304
- Fuse t 6 a 250v fuse t 6 a 250v 304
- Fxmq20p 25p 32p 40p 50p 63p 80p 100p 125pve 304
- Indoor unit 304
- Kpr k1r l1r m1f m1p 304
- Magnetic relay 304
- Motor drain pump 304
- Motor fan 304
- Noise filter 304
- Noise filter ferrite core 304
- Notes 1 terminal connector field wiring 2 in case using central remote controller connect it to the unit in accordance with the attached installation manual 3 when connecting the input wires from outside forced off or on off control operation can be selected by remote controller in details refer to the installation manual attached the unit 4 colors blk black red red blu blue wht white pnk pink ylw yellow brn brown gry gray grn green org orange 304
- Power module 304
- Printed circuit board 304
- Printed circuit board capacitor 304
- Printed circuit board fan 304
- R1t ss1 304
- R3t r4t 304
- Reactor 304
- Selector switch main sub 304
- Si30 813 wiring diagrams 304
- Switching power supply a1p a2p resistor current limiting current sensing device 304
- Terminal strip control 304
- Terminal strip power supply 304
- Thermistor air 304
- Thermistor discharge air 304
- Thermistor gas 304
- Thermistor liquid 304
- Thermistor ntc current limiting 304
- V1r v2r x1m 304
- Wired remote controller 304
- Fxmq200ma 250mave 305
- Fxhq32ma 63ma 100mave 306
- Appendix 307
- Fxaq20ma 25ma 32mave 40ma 50ma 63mave 307
- Wiring diagrams si30 813 307
- Fxlq20 25 32 40 50 63mave fxnq20 25 32 40 50 63mave 308
- Fxuq71ma 100ma 125mav1 309
- Bevq71ma 100ma 125mave 310
- List of electrical and functional parts 311
- Outside unit 311
- Rweyq10ptl 311
- Rweyq8py1 10py1 10pyl 311
- Appendix 301 312
- C off 87 c on 312
- Indoor side 312
- Indoor unit 312
- Si30 813 list of electrical and functional parts 312
- Appendix 313
- List of electrical and functional parts si30 813 313
- Only for fxdq20 63n b ve fxdq20 32pbve with drain pump type 313
- Appendix 303 314
- Si30 813 list of electrical and functional parts 314
- Appendix 315
- K ω 25 c 315
- List of electrical and functional parts si30 813 315
- St8602a 6 φ 6 315
- St8605 6 φ 8 315
- Μ f 400v 315
- Appendix 305 316
- Si30 813 list of electrical and functional parts 316
- Thermal protector 130 c off 83 c on 316
- Option list 317
- Optional accessories 317
- Appendix 307 318
- Below table is mentioned about the case of heat recovery system 3 piping suction gas hp lp gas and liquid pipes in case of heat pump system 2 piping gas and liquid pipes select the pipe size from suction gas pipe for gas pipes and from liquid gas pipe for liquid pipes and bs unit is not required 318
- Branch with refnet joint branch with refnet joint and refnet header branch with refnet header 318
- Example of connection 318
- How to calculate the additional refrigerant to be charged 318
- Pipe size selection 318
- Refrigerant branch kit selection 318
- Si30 813 example of connection 318
- A b 2 c 2 d 2 e 2 f 2 g 2 h i j k l m n p 300 m 319
- Indoor units 1 8 319
- Outside unit 319
- Refnet joint a g 319
- Appendix 309 320
- For gas pipe r3t 320
- For suction pipe r4t for receiver gas pipe r5t 320
- Indoor unit for air suction r1t for liquid pipe r2t 320
- Outdoor unit for outdoor air r1t for coil r2t 320
- Si30 813 thermistor resistance temperature characteristics 320
- Thermistor resistance temperature characteristics 320
- Appendix 321
- Outside unit thermistors for discharge pipe r3t 321
- Thermistor resistance temperature characteristics si30 813 321
- Pressure sensor 322
- Appendix 323
- Electronic circuit 323
- In case of yl 3ph 380v 60hz power supply please conduct followings before checking 1 make the outside unit power off 2 disconnect the electric wiring connected to the power transistor and diode module 323
- Inverter pc board 323
- Inverter pc board a2p 323
- Method of checking the inverter s power transistors and diode modules 323
- Method of checking the inverter s power transistors and diode modules si30 813 323
- Appendix 325
- Checking procedure 325
- In case of tl 3ph 220v 60hz power supply please conduct followings before checking 1 make the outside unit power off 2 disconnect the electric wiring connected to the power transistor and diode module 325
- L1 l2 l3 325
- Method of checking the inverter s power transistors and diode modules si30 813 325
- Printed circuit board circuit diagram 325
- Part 9 326
- Part 9 precautions for new refrigerant r 410a 326
- Precautions for new refrigerant r 410a 326
- Precautions for new refrigerant r 410a 16 326
- About refrigerant r 410a 327
- Characteristics of new refrigerant r 410a 1 performance almost the same performance as r 22 and r 407c 2 pressure working pressure is approx 1 times more than r 22 and r 407c 3 refrigerant composition few problems in composition control since it is a quasi azeotropic mixture refrigerant 327
- Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 327
- Outline 327
- Precautions for new refrigerant r 410a 327
- Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 327
- The design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c 327
- Precautions for new refrigerant r 410a 317 328
- Si30 813 precautions for new refrigerant r 410a 328
- Thermodynamic characteristic of r 410a 328
- Refrigerant cylinders 329
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 330
- Copper tube material and thickness 330
- O soft annealed h hard drawn 330
- R 410a is used under higher working pressure compared to previous refrigerants r 22 r 407c furthermore the refrigerating machine oil has been changed from suniso oil to ether oil and if oil mixing is occurred sludge results in the refrigerants and causes other problems therefore gauge manifolds and charge hoses that are used with a previous refrigerant r 22 r 407c can not be used for products that use new refrigerants be sure to use dedicated tools and devices 330
- Service tools 330
- Tool compatibility 330
- Change of dimension a 331
- Conventional flaring tools can be used when the work process is changed change of work process previously a pipe extension margin of 0 to 0 mm was provided for flaring for r 410a air conditioners perform pipe flaring with a pipe extension margin of 1 to 1 mm for clutch type only conventional tool with pipe extension margin adjustment can be used 331
- Differences 331
- Dimension a 331
- Flaring tool 331
- Specifications 331
- Unit mm 331
- Can not be used 334
- Drawings flow charts 340
- Air conditioners should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 if the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided if you need to install the outdoor unit close to the sea shore contact your local distributor 342
- Ask a qualified installer or contractor to install this product do not try to install the product yourself improper installation can result in water or refrigerant leakage electrical shock fire or explosion 342
- Cautions on product corrosion 342
- Daikin industries ltd s products are manufactured for export to numerous countries throughout the world daikin industries ltd does not have control over which products are exported to and used in a particular country prior to purchase please therefore confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used this statement does not purport to exclude restrict or modify the application of any local legislation 342
- Http www daikin com global_ac 342
- If you have any enquiries please contact your local importer distributor and or retailer 342
- Read the user s manual carefully before using this product the user s manual provides important safety instructions and warnings be sure to follow these instructions and warnings 342
- Use only those parts and accessories supplied or specified by daikin ask a qualified installer or contractor to install those parts and accessories use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion 342
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