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Daikin FXM125LVE [19/254] Specifications
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Specifications Si38-606
8 Specifications
1. Specifications
1.1 Outdoor Units
Notes:
★
1 Indoor temp. : 27°CDB, 19.5°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level
difference : 0m.
★
2 Indoor temp. : 27°CDB, 19.0°CWB / outdoor temp. : 35°CDB / Equivalent piping length : 7.5m, level
difference : 0m.
Model Name RXM8MY1 RXM10MY1
★
1 Cooling Capacity (19.5°CWB)
kcal / h 19,400 24,300
Btu / h 76,800 96,200
kW 22.5 28.2
★
2 Cooling Capacity (19.0°CWB) kW 22.4 28.0
Casing Color Ivory White (5Y7.5/1) Ivory White (5Y7.5/1)
Dimensions: (H×W×D) mm 1600×930×765 1600×1240×765
Heat Exchanger Cross Fin Coil Cross Fin Coil
Comp.
Type Hermetically Sealed Scroll Type Hermetically Sealed Scroll Type
Piston Displacement m³/h 19.36+14.68 19.36+14.68
Number of Revolutions r.p.m 6480, 2900 6480, 2900
Motor Output×Number
of Units
kW (1.1+4.5)×1 (2.1+4.5)×1
Starting Method Soft Start Soft Start
Fan
Type Propeller Fan Propeller Fan
Motor Output kW 0.75×1 0.75×1
Air Flow Rate m³/min 175 210
Drive Direct Drive Direct Drive
Connecting
Pipes
Liquid Pipe mm
φ
12.7 (Brazing Connection)
φ
12.7 (Brazing Connection)
Gas Pipe mm
φ
28.6 (Brazing Connection)
φ
28.6 (Brazing Connection)
Oil Equalizer Tube mm
φ
6.4 (Flare Connection)
φ
6.4 (Flare Connection)
Machine Weight (Mass) kg 235 290
Safety Devices
High Pressure Switch, Fan Driver Overload Protector,
Over Current Relay, Inverter Overload Protector,
Fusible Plugs
High Pressure Switch, Fan Driver Overload Protector,
Over Current Relay, Inverter Overload Protector,
Fusible Plugs
Capacity Control % 14~100 14~100
Refrigerant
Refrigerant Name R-22 R-22
Charge kg 13.1 14.9
Control Electronic Expansion Valve Electronic Expansion Valve
Refrigerator
Oil
SUNISO 4GSDID-K SUNISO 4GSDID-K
Charge Volume L 1.9+1.6 1.9+1.6
Standard Accessories
Installation Manual, Operation Manual, Connection Pipes,
Clamps
Installation Manual, Operation Manual, Connection Pipes,
Clamps
Drawing No. C : 4D052966 C : 4D052967
Conversion Formulae
kcal/h=kW×860
Btu/h=kW×3412
cfm=m³/min×35.3
Содержание
- Capacity range 2
- Functional parts layout 0 2
- Introduction v 2
- Model names of indoor outdoor units 2 external appearance 2
- Operation mode 4 2 basic control 5 2
- Part 1 general information 2
- Part 2 specifications 2
- Part 3 refrigerant circuit 7 2
- Part 4 function 3 2
- Protection control 5 2
- R 22 cooling only 2
- R 22 cooling only i 2
- Refrigerant circuit 8 2
- Special control 9 2
- Specifications 2
- Table of contents 2
- Other control 0 3
- Outdoor unit pc board layout 4 3 field setting 5 3
- Outline of control indoor unit 2 3
- Part 5 test operation 9 3
- Part 6 troubleshooting 03 3
- Test operation 0 3
- Troubleshooting by indication on the remote controller 18 3
- Troubleshooting by remote controller 05 3
- Troubleshooting op central remote controller 81 4
- Drawings flow charts v 5
- Index i 5
- List of electrical and functional parts 20 5
- Option list 27 5
- Part 7 appendix 01 5
- Piping diagrams 02 5
- Selection of pipe size joints and header 30 5
- Thermistor resistance temperature characteristics 32 7 pressure sensor 34 8 method of replacing the inverter s power transistors and diode modules 35 5
- Troubleshooting op schedule timer 86 5
- Troubleshooting op unified on off controller 93 5
- Wiring diagrams 04 5
- Caution in repair 6
- Introduction 6
- Safety cautions 6
- Warning 6
- Caution 7
- Cautions regarding products after repair 7
- Warning 7
- Caution 8
- Inspection after repair 8
- Warning 8
- Caution 9
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 9
- Using icons 9
- Using icons list 9
- Preface 10
- Capacity range 12
- Model names of indoor outdoor units 2 external appearance 12
- Part 1 general information 12
- Indoor units 13
- Model names of indoor outdoor units 13
- Outdoor units 13
- Ceiling mounted built in type 14
- Ceiling mounted built in type rear suction type 14
- Ceiling mounted cassette corner type 14
- Ceiling mounted cassette type double flow 14
- Ceiling mounted cassette type multi flow 14
- Ceiling mounted duct type 14
- Ceiling mounted low silhouette duct type 14
- Ceiling suspended type 14
- Concealed floor standing type 14
- External appearance 14
- Floor standing type 14
- Indoor units 14
- Slim ceiling mounted duct type 14
- Wall mounted type 14
- Outdoor units 15
- Rxm 8m rxm 10m 15
- Capacity range 16
- General information 5 16
- Indoor units 16
- Outdoor units 16
- Si38 606 capacity range 16
- Part 2 specifications 18
- Specifications 18
- Outdoor units 19
- Specifications 19
- Specifications si38 606 19
- Ceiling mounted cassette type double flow 20
- Indoor units 20
- Si38 606 specifications 20
- Specifications 9 20
- Ceiling mounted cassette type double flow 21
- Specifications 21
- Specifications si38 606 21
- Ceiling mounted cassette type multi flow 22
- Si38 606 specifications 22
- Specifications 11 22
- Ceiling mounted cassette type multi flow 23
- Specifications 23
- Specifications si38 606 23
- Ceiling mounted cassette corner type 24
- Si38 606 specifications 24
- Specifications 13 24
- Slim ceiling mounted duct type 25
- Specifications 25
- Specifications si38 606 25
- Si38 606 specifications 26
- Slim ceiling mounted duct type with drain pump 26
- Specifications 15 26
- Slim ceiling mounted duct type with drain pump 27
- Specifications 27
- Specifications si38 606 27
- Si38 606 specifications 28
- Slim ceiling mounted duct type without drain pump 28
- Specifications 17 28
- Slim ceiling mounted duct type without drain pump 29
- Specifications 29
- Specifications si38 606 29
- Ceiling mounted low silhouette duct type 30
- Si38 606 specifications 30
- Specifications 19 30
- Ceiling mounted low silhouette duct type 31
- Specifications 31
- Specifications si38 606 31
- Ceiling mounted built in type 32
- Si38 606 specifications 32
- Specifications 21 32
- Ceiling mounted built in type 33
- Specifications 33
- Specifications si38 606 33
- Ceiling mounted built in type 34
- Si38 606 specifications 34
- Specifications 23 34
- Ceiling mounted built in rear suction type 35
- Specifications 35
- Specifications si38 606 35
- Ceiling mounted built in rear suction type 36
- Si38 606 specifications 36
- Specifications 25 36
- Ceiling mounted built in rear suction type 37
- Specifications 37
- Specifications si38 606 37
- Ceiling mounted duct type 38
- Si38 606 specifications 38
- Specifications 27 38
- Ceiling mounted duct type 39
- Specifications 39
- Specifications si38 606 39
- Ceiling suspended type 40
- Si38 606 specifications 40
- Specifications 29 40
- Specifications 41
- Specifications si38 606 41
- Wall mounted type 41
- Si38 606 specifications 42
- Specifications 31 42
- Wall mounted type 42
- Floor standing type 43
- Specifications 43
- Specifications si38 606 43
- Floor standing type 44
- Si38 606 specifications 44
- Specifications 33 44
- Concealed floor standing type 45
- Specifications 45
- Specifications si38 606 45
- Concealed floor standing type 46
- Si38 606 specifications 46
- Specifications 35 46
- Functional parts layout 0 48
- Part 3 refrigerant circuit 48
- Refrigerant circuit 8 48
- Refirgerant circuit 49
- Refrigerant circuit 49
- Refrigerant circuit si38 606 49
- Rxm8 10m 49
- Refirgerant circuit 39 50
- Rxm8 10m 50
- Si38 606 refrigerant circuit 50
- Front view 51
- Functional parts layout 51
- Rxm8 10m 51
- Refirgerant circuit 41 52
- Rxm8 10m cooling operation 52
- Si38 606 functional parts layout 52
- Cooling oil return operation 53
- Functional parts layout si38 606 53
- Refirgerant circuit 53
- Operation mode 4 2 basic control 5 54
- Other control 0 54
- Outline of control indoor unit 2 54
- Part 4 function 54
- Protection control 5 54
- Special control 9 54
- Operation mode 55
- Basic control 56
- Normal operation 56
- Basic control si38 606 57
- Compressor pi control 57
- 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 57
- Compressor step control 57
- Controls compressor capacity to adjust te to achieve target value tes te low pressure equivalent saturation temperature c te setting tes target te value varies depending on te setting operating frequency etc l m normal factory setting 57
- Cooling operation 57
- Function 57
- Notes 1 inv inverter compressor std1 standard compressor 1 2 depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned 57
- Rxm8 10m 57
- Electronic expansion valve pi control 58
- Main motorized valve ev1 control carries out the motorized valve y1e pi control to maintain the evaporator outlet superheated degree sh at constant during heating operation to make maximum use of the outdoor unit heat exchanger evaporator 58
- Subcooling motorized valve ev2 control makes pi control of the motorized valve y2e to keep the superheated degree of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger 58
- 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 58
- Basic control si38 606 59
- Cooling operation fan control 59
- Fan steps 59
- Function 59
- In cooling operation with low outdoor air temperature this control is used to provide the adequate amount of circulation air with liquid pressure secured by high pressure control using outdoor unit fan 59
- Mpa pc 1 2mpa 59
- Pc 1 2mpa 59
- Pc 1 8mpa 59
- Pc hp pressure sensor detection value 59
- Special control 60
- Startup control 60
- Startup control in cooling operation 60
- In the case of multi outdoor unit system master unit performs the operations listed in the table above slave units operating units perform the operations listed in the table above non operating units perform the operations listed in the table above from the oil return operation non operating unit stops during oil return preparation operation 61
- Oil return operation 61
- Oil return operation in cooling operation 61
- Pump down residual operation 62
- Pump down residual operation in cooling operation 62
- Restart standby 63
- Stopping operation 64
- When system is in stop mode 64
- Pressure equalization prior to startup 65
- High pressure protection control 66
- In cooling operation 66
- In the case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence 66
- Protection control 66
- 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 66
- In cooling operation 67
- Low pressure protection control 67
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 67
- Discharge pipe protection control 68
- Each compressor performs the discharge pipe temperature protection control individually in the following sequence 68
- Inv compressor 68
- Std compressor 68
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 68
- In the case of multi outdoor unit system each inv compressor performs these controls in the following sequence 69
- Inv upper limit frequency 1 step 1 min up from current compressor frequency interval 69
- 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 69
- Inverter fin temperature control 69
- Inverter overcurrent protection control 69
- Inverter protection control 69
- Controls the crankcase heater to prevent refrigerant from remaining in the inverter and std compressor 70
- Crankcase heater control 70
- Std compressor overload protection 70
- Td compressor discharge pipe temperature 70
- This control is used to prevent abnormal heating due to overcurrent to the compressor resulting from failures of std compressor such as locking 70
- Emergency operation 71
- In the case of 1 outdoor unit system 71
- Other control 71
- Restrictions for emergency operation 71
- Demand 1 setting 72
- Demand 2 setting 72
- Demand operation 72
- In order to save the power consumption the capacity of outdoor 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 continuous demand setting or external input by external control adapter is required 72
- Other protection control functions have precedence over the above operation 72
- Drain pump control 73
- Outline of control indoor unit 73
- Louver control for preventing ceiling dirt 75
- Thermostat sensor in remote controller 76
- Freeze prevention 78
- Outdoor unit pc board layout 4 3 field setting 5 80
- Part 5 test operation 80
- Test operation 0 80
- Check work prior to turn power supply on 81
- Follow the following procedure to conduct the initial test operation after installation 81
- Procedure and outline 81
- Test operation 81
- Turn power on 81
- Check on operation 82
- Check operation 82
- Check the indoor unit remote controller for abnormal display and correct it 82
- During check operation mount front panel to avoid the misjudging check operation is mandatory for normal unit operation when the check operation is not executed alarm code u3 will be displayed 82
- Malfunction code in case of an alarm code displayed on remote controller 82
- On completion of test operation led on outdoor unit pc board displays the following h3p on normal completion h2p and h3p on abnormal completion 82
- Press and hold the test operation button bs4 on outdoor unit pc board for 5 seconds 82
- The test operation is started automatically the following judgements are conducted within 15 minutes 2 check for wrong wiring 2 check refrigerant for over charge 2 check stop valve for not open 2 pipe length automatic judgement the following indications are conducted while in test operation 2 led lamp on outdoor unit pc board h2p flickers test operation 2 remote controller indicates on centralized control on upper right indicates test operation on lower left 82
- Confirmation on normal operation 83
- Be sure to push and hold the reset button for 5 seconds if not the addition cannot be recognized in this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc status 84
- 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 84
- Operation when power is turned on 84
- Tap the reset button on the outdoor unit pc board operation becomes possible for about 2 minutes if you do not push the reset button the unit cannot be run for up to 10 minutes to automatically set master power status 84
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 84
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pc board has been changed 84
- When turning on power first time 84
- When turning on power the second time and subsequent 84
- 1 service monitor this monitor blinks while in normal operation and turns on or off when a malfunction occurs 85
- 2 set mode display led leds display mode according to the setting 85
- 3 mode setting switch used to change mode 85
- 4 local setting switch used to make local settings 85
- Outdoor unit pc board 85
- Outdoor unit pc board layout 85
- Field set mode 86
- Field setting 86
- Field setting from remote controller 86
- First code no 86
- Mode no 86
- Second code no 86
- Unit no 86
- Wireless remote controller indoor unit 87
- Brc2a51 brc2c51 88
- Group no setting by simplified remote controller 88
- Simplified remote controller 88
- Field setting si38 606 89
- 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 89
- Setting contents and code no vrv unit 89
- Test operation 89
- Applicable range of field setting 90
- Si38 606 field setting 90
- Test operation 79 90
- Detailed explanation of setting modes 91
- 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 91
- Fan speed changeover when thermostat is off by setting to set fan speed you can switch the fan speed to the set fan speed when the heating thermostat is off 91
- Filter sign setting 91
- If switching the filter sign on time set as given in the table below set time 91
- Setting table 91
- Since there is concern about draft if using fan speed up when thermostat is off you should take the setup location into consideration 91
- Ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed 91
- Air flow adjustment ceiling height make the following setting according to the ceiling height the setting position no is set to 01 at the factory 92
- Auto restart after power failure reset 92
- 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 92
- 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 92
- 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 92
- In the case of fxa fxh 92
- In the case of fxf100 125 92
- In the case of fxf25 80 92
- 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 92
- Air flow direction setting 93
- Air flow rate switching at discharge grille for field air flow rate switching when the optional parts high performance filter etc is installed sets to change fan speed for securing air flow rate follow the instruction manual for the optional parts to enter the setting numbers 93
- Set the air flow 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 93
- Setting of air flow direction adjustment only the model fxk has the function when only the front flow is used sets yes no of the swing flap operation of down flow 93
- Setting of air flow direction adjustment range make the following air flow direction setting according to the respective purpose 93
- Setting of the static pressure selection for fxd model 93
- Setting table 93
- Centralized control group no setting 94
- Brc7c type brc7e type brc4c type 95
- 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 95
- Field setting si38 606 95
- 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 95
- Group no setting example 95
- Test operation 95
- Contents of control modes 96
- Setting of operation control mode from remote controller local setting 96
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 97
- Factory setting 97
- How to select operation mode whether operation by remote controller will be possible or not for turning on off controlling temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below 97
- 7 8 7 7 7 7 7 98
- Caution 98
- Field setting from outdoor unit 98
- Field setting si38 606 99
- Mode changing procedure 99
- Monitor mode h1p blinks used to check the program made in setting mode 2 99
- 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 99
- Setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system 99
- Test operation 99
- There are the following three setting modes 99
- 7 8 7 7 7 7 100
- A setting mode 1 100
- Si38 606 field setting 100
- Test operation 89 100
- This mode is used to check the following items 1 check items the following items can be checked 1 current operating conditions normal abnormal in check operation 2 setting conditions of cool heat selection individual batch master batch slave 3 low noise operating conditions in normal operation in low noise operation 4 demand operating conditions in normal operation in demand operation 100
- B setting mode 2 101
- The numbers in the no column represent the number of times to press the set bs2 button 101
- 1 number of indoor units connected used to make setting of the number of indoor units connected to an out door unit 2 number of outdoor units connected used to make setting of the number of outdoor units connected to diii net that is one of the communication lines 3 number of terminal units used to make setting of the number of indoor units connected to diii net that is one of the communication lines only available for vrv indoor units 104
- 7 7 7 7 7 104
- 7 7 7 7 8 104
- 7 7 7 7 9 104
- 7 7 7 8 7 104
- 7 7 7 8 8 104
- 7 7 7 9 7 104
- 7 7 8 7 7 104
- 7 7 8 7 8 104
- 7 7 8 8 8 104
- 7 7 9 7 7 104
- 7 8 7 7 7 104
- 7 8 7 8 8 104
- 7 8 8 7 7 104
- 7 8 8 7 8 104
- 7 8 8 8 7 104
- 7 8 8 8 8 104
- 8 7 7 7 7 104
- 8 7 8 7 7 104
- 8 7 8 7 8 104
- 8 7 8 8 7 104
- C monitor mode 104
- Defrost select setting short 104
- Emg operation backup operation setting 104
- Setting item 0 display contents of number of units for sequential start and others 104
- Si38 606 field setting 104
- Tc setting h 104
- Te setting h 104
- Test operation 93 104
- Setting of low noise operation and demand operation 106
- Demand mode 1 the compressor operates at approx 60 or less of rating mode 2 the compressor operates at approx 70 or less of rating 107
- Field setting si38 606 107
- Image of operation 107
- Mode 3 the compressor operates at approx 80 or less of rating 107
- Set item condition content 107
- Setting of demand operation by connecting the external contact input to the demand input of the outdoor unit external control adapter optional the power consumption of unit operation can be saved suppressing the compressor operating condition 107
- Test operation 107
- When the normal demand operation is carried out use of the external control adapter for outdoor unit is not required 1 while in setting mode 2 make setting of the set item no 32 setting of constant demand to on 2 while in setting mode 2 select the set item no 30 setting of demand 1 level and then set the setting condition to targeted mode 107
- Additional refrigerant charge total flow 110
- Setting of refrigerant additional charging operation 110
- Si38 606 field setting 110
- Test operation 99 110
- When additional refrigerant is not charged all with outdoor unit in stop mode operate the outdoor 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 outdoor unit pc board 110
- Setting of refrigerant recovery mode 111
- 3883333 112
- Check operation 112
- Check operation function 112
- In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units to turn on some solenoid valves 112
- Note be sure to disconnect the compressor wiring when conducting the check operation mentioned above when the output voltage is approx 50 v 10 hz and the voltage balance between phases u v v w w u is within 5 the inverter pc board is normal 112
- Operating procedure 112
- Power transistor check operation 112
- Press mode button bs1 once and reset setting mode 2 112
- Setting of vacuuming mode 112
- 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 112
- Use the vacuum pump to perform vacuuming operation 112
- When the inverter system malfunctions malfunction of inverter inv compressor to locate where the malfunction occurs switching to the power transistor check mode of inverter in the service mode setting enables not to judge the position detection signal malfunction but to output waveform only during inverter operation the waveform can be checked by disconnecting the wiring of compressor 112
- With setting mode 2 while the unit stops set b refrigerant recovery vacuuming mode to on the expansion valves of indoor and outdoor units fully open and some of solenoid valves open h2p blinks to indicate the test operation and the remote controller displays test operation and in centralized control thus prohibiting operation after setting do not cancel setting mode 2 until completion of vacuuming operation 112
- Part 6 troubleshooting 114
- Troubleshooting by indication on the remote controller 18 114
- Troubleshooting by remote controller 05 114
- Troubleshooting op central remote controller 81 115
- Troubleshooting op schedule timer 86 115
- Troubleshooting op unified on off controller 93 115
- Inspection mode 116
- Local setting mode service mode 116
- Normal mode 116
- Test operation mode 116
- The following modes can be selected by using the inspection test operation button on the remote control 116
- The inspection test button 116
- Troubleshooting by remote controller 116
- Self diagnosis by wired remote controller 117
- Self diagnosis by wireless remote controller 118
- The lower digit of the code changes as shown below when the up and down buttons are pressed 119
- Operation of the remote controller s inspection test operation button 121
- Troubleshooting 121
- Troubleshooting by remote controller si38 606 121
- Remote controller service mode 122
- Remote controller self diagnosis function 124
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 126
- Detail description on next page 127
- Malfunction code indication by outdoor unit pc board 127
- Push the mode button bs1 and returns to setting mode 1 127
- Push the return button bs3 and switches to the initial status of monitor mode 127
- Push the return button bs3 once to display first digit of malfunction code 127
- Push the set button bs2 and set the led display to a setting item 127
- Push the set button bs2 once to display master or slave1 or slave2 and malfunction location 127
- Push the set button bs2 once to display second digit of malfunction code 127
- Refer p 3 for monitor mode 127
- To enter the monitor mode push the mode button bs1 when in setting mode 1 127
- Troubleshooting 127
- Troubleshooting by remote controller si38 606 127
- Actuation of external protection device 129
- Applicable models all indoor unit models 129
- Defect of indoor unit pc board 129
- Detect open or short circuit between external input terminals in indoor unit 129
- Improper field set 129
- Indoor unit error of external protection device 129
- Malfunction decision conditions 129
- Method of malfunction detection 129
- Remote controller display 129
- Supposed causes 129
- Troubleshooting 129
- Troubleshooting by indication on the remote controller 129
- When an open circuit occurs between external input terminals with the remote controller set to external on off terminal 129
- Indoor unit pc board defect 130
- Indoor unit malfunction of drain level control system s1l 33h 131
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 132
- Si38 606 troubleshooting by indication on the remote controller 132
- Troubleshooting 132
- Troubleshooting 121 132
- Applicable models all indoor units 133
- Detection by failure of signal for detecting number of turns to come from the fan motor 133
- Disconnected or faulty wiring between fan motor and pc board 133
- Fan motor lock 133
- Indoor unit fan motor m1f lock overload 133
- Malfunction decision conditions 133
- Method of malfunction detection 133
- Remote controller display 133
- Supposed causes 133
- Troubleshooting 133
- When number of turns can t be detected even when output voltage to the fan is maximum 133
- Indoor unit malfunction of swing flap motor ma 134
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 135
- Troubleshooting 135
- Troubleshooting by indication on the remote controller si38 606 135
- Applicable models all indoor unit models 136
- Defect of connecting cable 136
- Defect of indoor unit pc board 136
- Detection by failure of signal for detecting number of turns to come from the fan motor 136
- Indoor unit malfunction of moving part of electronic expansion valve 20e 136
- Malfunction decision conditions 136
- Malfunction of moving part of electronic expansion valve 136
- Method of malfunction detection 136
- Remote controller display 136
- Supposed causes 136
- Troubleshooting 136
- When number of turns can t be detected even when output voltage to the fan is maximum 136
- 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 137
- Continuity no continuity 137
- Normal 137
- Indoor unit drain level above limit 138
- Indoor unit malfunction of capacity determination device 139
- Indoor unit malfunction of thermistor r2t for heat exchanger 140
- Applicable models all indoor unit models 141
- Defect of indoor unit pc board 141
- Defect of indoor unit thermistor r3t for gas pipe 141
- Indoor unit malfunction of thermistor r3t for gas pipes 141
- Malfunction decision conditions 141
- Malfunction detection is carried out by temperature detected by gas pipe thermistor 141
- Method of malfunction detection 141
- Refer to thermistor resistance temperature characteristics table on p232 141
- Remote controller display 141
- Supposed causes 141
- Troubleshooting 141
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running 141
- Applicable models aii indoor unit models 142
- Defect of indoor unit pc board 142
- Defect of indoor unit thermistor r1t for air inlet 142
- Indoor unit malfunction of thermistor r1t for suction air 142
- Malfunction decision conditions 142
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor 142
- Method of malfunction detection 142
- Refer to thermistor resistance temperature characteristics table on p232 142
- Remote controller display 142
- Supposed causes 142
- Troubleshooting 142
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running 142
- Indoor unit malfunction of thermostat sensor in remote controller 143
- Outdoor unit pc board defect 144
- Outdoor unit actuation of high pressure switch 145
- Abnormal drop of low pressure refer to page 54 for low pressure control 146
- Applicable models rxm8 10m 146
- Defect of low pressure sensor 146
- Defect of outdoor unit pc board 146
- Error is generated when the low pressure is dropped under specific pressure 146
- Malfunction decision conditions 146
- Method of malfunction detection 146
- Outdoor unit actuation of low pressure sensor 146
- Refer to pressure sensor pressure voltage characteristics table on p234 146
- Remote controller display 146
- Stop valve is not opened 146
- Supposed causes 146
- Troubleshooting 146
- Voltage measurement point 146
- Applicable models rxm8 10m 147
- Compressor lock 147
- Compressor motor lock 147
- Faulty inverter pc board 147
- High differential pressure 0 mpa or more 147
- Incorrect uvwn wiring 147
- Inverter pc board takes the position signal from uvwn line connected between the inverter and compressor and detects the position signal pattern 147
- Malfunction decision conditions 147
- Method of malfunction detection 147
- Remote controller display 147
- Stop valve is left in closed 147
- Supposed causes 147
- The position signal with 3 times cycle as imposed frequency is detected when compressor motor operates normally but 2 times cycle when compressor motor locks when the position signal in 2 times cycle is detected 147
- Troubleshooting 147
- Standard compressor motor overcurrent lock 148
- Applicable models rxm8 10m 149
- Clearing condition operate for 5 minutes normal 149
- Fan does not run due to foreign matters tangled 149
- Malfunction decision conditions 149
- Malfunction of fan motor 149
- Malfunction of fan motor system is detected according to the fan speed detected by hall ic when the fan motor runs 149
- Malfunction of outdoor unit fan motor 149
- Method of malfunction detection 149
- Remote controller display 149
- Supposed causes 149
- The harness connector between fan motor and pc board is left in disconnected or faulty connector 149
- Troubleshooting 149
- When connector detecting fan speed is disconnected 149
- When malfunction is generated 4 times the system shuts down 149
- When the fan runs with speed less than a specified one for 15 seconds or more when the fan motor running conditions are met 149
- Note refer check 8 9 and 12 to p 9 150
- Si38 606 troubleshooting by indication on the remote controller 150
- Troubleshooting 150
- Troubleshooting 139 150
- Applicable models rxm8 10m 151
- Check disconnection of connector check continuity of expansion valve coil 151
- Defect of connecting cable 151
- Defect of moving part of electronic expansion valve 151
- Defect of outdoor unit pc board a1p 151
- Error is generated under no common power supply when the power is on 151
- Malfunction decision conditions 151
- Method of malfunction detection 151
- Outdoor unit malfunction of moving part of electronic expansion valve y1e y2e 151
- Remote controller display 151
- Supposed causes 151
- Troubleshooting 151
- Coil check method for the moving part of the electronic expansion valve disconnect the electronic expansion valve from the pc board and check the continuity between the connector pins 152
- Continuity no continuity 152
- Normal 152
- Outdoor unit abnormal discharge pipe temperature 153
- Refrigerant overcharged 154
- Abnormal fan motor signal circuit malfunction 155
- Abnormal outdoor fan motor signal 155
- Applicable models rxm8 10m 155
- Broken short or disconnection connector of fan motor connection cable 155
- Detection of abnormal signal from fan motor 155
- Disconnect connector x2a and measure the following resistance 155
- Fan inverter pc board malfunction 155
- In case of detection of abnormal signal at starting fan motor 155
- Malfunction decision conditions 155
- Method of malfunction detection 155
- Remote controller display 155
- Supposed causes 155
- Troubleshooting 155
- Applicable models rxm8 10m 156
- Defect of outdoor unit pc board a1p 156
- Defect of thermistor r1t for outdoor air 156
- Malfunction decision conditions 156
- Method of malfunction detection 156
- Outdoor unit malfunction of thermistor for outdoor air r1t 156
- Refer to thermistor resistance temperature characteristics table on p232 156
- Remote controller display 156
- Supposed causes 156
- The abnormal detection is based on current detected by current sensor 156
- The alarm indicator is displayed when the fan only is being used also 156
- Troubleshooting 156
- When the outside air temperature sensor has short circuit or open circuit 156
- Applicable models rxm8 10m 157
- Current sensor malfunction 157
- Faulty current sensor 157
- Faulty outdoor unit pc board 157
- Malfunction decision conditions 157
- Malfunction is detected according to the current value detected by current sensor 157
- Method of malfunction detection 157
- Remote controller display 157
- Supposed causes 157
- Troubleshooting 157
- When the current value detected by current sensor becomes 5a 400 v unit or lower during std compressor operation and 40a or more during std compressor stop 157
- Applicable models rxm8 10m 158
- Defect of outdoor unit pc board a1p 158
- Defect of thermistor r31t or r32t for outdoor unit discharge pipe 158
- Malfunction decision conditions 158
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 158
- Method of malfunction detection 158
- Note 8 10 hp class r31t r32t 158
- Outdoor unit malfunction of discharge pipe thermistor r31 or 32t 158
- Remote controller display 158
- Supposed causes 158
- The alarm indicator is displayed when the fan is being used also 158
- Troubleshooting 158
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 158
- Applicable models rxm8 10m 159
- Defect of outdoor unit pc board a1p 159
- Defect of thermistor r2t for outdoor unit suction pipe 159
- Malfunction decision conditions 159
- Malfunction is detected from the temperature detected by the suction pipe temperature thermistor 159
- Method of malfunction detection 159
- Outdoor unit malfunction of thermistor r2t for suction pipe 159
- Refer to thermistor resistance temperature characteristics table on p232 159
- Remote controller display 159
- Supposed causes 159
- Troubleshooting 159
- When a short circuit or an open circuit in the suction pipe temperature thermistor is detected 159
- Applicable models rxm8 10m 160
- Defect of outdoor unit pc board a1p 160
- Defect of thermistor r4t for outdoor unit coil 160
- Malfunction decision conditions 160
- Malfunction is detected from the temperature detected by the heat exchanger thermistor 160
- Method of malfunction detection 160
- Outdoor unit malfunction of thermistor r4t for outdoor unit heat exchanger 160
- Refer to thermistor resistance temperature characteristics table on p232 160
- Remote controller display 160
- Supposed causes 160
- Troubleshooting 160
- When a short circuit or an open circuit in the heat exchange thermistor is detected 160
- Applicable models rxm8 10m 161
- Faulty outdoor unit pc board 161
- Faulty receiver gas pipe thermistor r5t 161
- Malfunction decision conditions 161
- Malfunction is detected according to the temperature detected by receiver gas pipe thermistor subcooling heat exchanger gas pipe thermistor 161
- Malfunction of receiver gas pipe thermistor r5t 161
- Method of malfunction detection 161
- Refer to thermistor resistance temperature characteristics table on p232 161
- Remote controller display 161
- Supposed causes 161
- Troubleshooting 161
- When the receiver gas pipe thermistor is short circuited or open 161
- Applicable models rxm8 10m 162
- Connection of low pressure sensor with wrong connection 162
- Defect of high pressure sensor system 162
- Defect of outdoor unit pc board 162
- Malfunction decision conditions 162
- Malfunction is detected from the pressure detected by the high pressure sensor 162
- Method of malfunction detection 162
- Outdoor unit malfunction of high pressure sensor 162
- Refer to pressure sensor pressure voltage characteristics table on p234 162
- Remote controller display 162
- Supposed causes 162
- Troubleshooting 162
- Voltage measurement point 162
- When the high pressure sensor is short circuit or open circuit 162
- Applicable models rxm8 10m 163
- Connection of high pressure sensor with wrong connection 163
- Defect of low pressure sensor system 163
- Defect of outdoor unit pc board 163
- Malfunction decision conditions 163
- Malfunction is detected from pressure detected by low pressure sensor 163
- Method of malfunction detection 163
- Outdoor unit malfunction of low pressure sensor 163
- Refer to pressure sensor pressure voltage characteristics table on p234 163
- Remote controller display 163
- Supposed causes 163
- Troubleshooting 163
- Voltage measurement point 163
- When the low pressure sensor is short circuit or open circuit 163
- Actuation of fin thermal actuates above 89 c 164
- Applicable models rxm8 10m 164
- Defect of fin thermistor 164
- Defect of inverter pc board 164
- Fin temperature is detected by the thermistor of the radiation fin 164
- Malfunction decision conditions 164
- Method of malfunction detection 164
- Outdoor unit malfunction of inverter radiating fin temperature rise 164
- Refer to thermistor resistance temperature characteristics table on p232 164
- Remote controller display 164
- Supposed causes 164
- Troubleshooting 164
- When the temperature of the inverter radiation fin increases above 89 c 164
- Applicable models rxm8 10m 165
- Compressor start up malfunction mechanical lock 165
- Defect of compressor coil disconnected defective insulation 165
- Defect of inverter pc board 165
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 165
- Malfunction decision conditions 165
- Malfunction is detected from current flowing in the power transistor 165
- Method of malfunction detection 165
- Outdoor unit inverter compressor abnormal 165
- Remote controller display 165
- Supposed causes 165
- Troubleshooting compressor inspection 165
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 165
- Applicable models rxm8 10m 166
- Compressor coil disconnected 166
- Compressor overload 166
- Defect of inverter pc board a1p 166
- Malfunction decision conditions 166
- Malfunction is detected by current flowing in the power transistor 166
- Method of malfunction detection 166
- Outdoor unit inverter current abnormal 166
- Remote controller display 166
- Supposed causes 166
- Troubleshooting output current check 166
- When overload in the compressor is detected 166
- Applicable models rxm8 10m 167
- Defect of compressor 167
- Defect of inverter pc board a1p 167
- Malfunction decision conditions 167
- Malfunction is detected from current flowing in the power transistor 167
- Method of malfunction detection 167
- Outdoor unit inverter start up error 167
- Pressure differential start 167
- Remote controller display 167
- Supposed causes 167
- Troubleshooting 167
- When overload in the compressor is detected during startup 167
- Outdoor unit malfunction of transmission between inverter and control pc board 168
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 169
- Troubleshooting 169
- Troubleshooting by indication on the remote controller si38 606 169
- Applicable models rxm8 10m 170
- Defect of inverter pc board 170
- Defect of k1m 170
- Defect of main circuit capacitor 170
- Imbalance in supply voltage is detected in pc board 170
- Improper main circuit wiring 170
- Malfunction decision conditions 170
- Malfunction is not decided while the unit operation is continued p1 will be displayed by pressing the inspection button 170
- Method of malfunction detection 170
- Open phase 170
- Outdoor unit inverter over ripple protection 170
- Remote controller display 170
- Supposed causes 170
- Troubleshooting 170
- Voltage imbalance between phases 170
- When the resistance value of thermistor becomes a value equivalent to open or short circuited status 170
- Outdoor unit malfunction of inverter radiating fin temperature rise sensor 171
- Applicable models rxyq5ma 48ma 172
- Faulty or no field setting after replacing main pc board 172
- Malfunction decision conditions 172
- Method of malfunction detection 172
- Mismatching of type of pc board 172
- Outdoor unit faulty field setting after replacing main pc board or faulty combination of pc board 172
- Remote controller display 172
- Supposed causes 172
- The faulty or no field setting after replacing main pc board or faulty pc board combination is detected through communications with the inverter 172
- Troubleshooting 172
- Whether or not the field setting or the type of the pc board is correct through the communication date is judged 172
- Applicable models rxm8 10m 173
- Defect of outdoor unit pc board a1p 173
- Defect of pressure sensor 173
- Defect of thermistor r2t or r4t 173
- Low pressure drop due to refrigerant shortage or electronic expansion valve failure 173
- Malfunction decision conditions 173
- Malfunction is not decided while the unit operation is continued 173
- Method of malfunction detection 173
- Microcomputer judge and detect if the system is short of refrigerant 173
- Out of gas or refrigerant system clogging incorrect piping 173
- Refer to pressure sensor pressure voltage characteristics table on p234 173
- Refer to thermistor resistance temperature characteristics table on p232 173
- Remote controller display 173
- Short of gas malfunction is detected by discharge pipe temperature thermistor 173
- Supposed causes 173
- Troubleshooting 173
- Applicable models rxm8 10m 174
- Defect of outdoor pc board a1p 174
- Malfunction decision conditions 174
- Method of malfunction detection 174
- Power supply open phase 174
- Power supply reverse phase 174
- Remote controller display 174
- Reverse phase open phase 174
- Supposed causes 174
- The phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged 174
- Troubleshooting 174
- When a significant phase difference is made between phases 174
- Power supply insufficient or instantaneous failure 175
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 176
- Si38 606 troubleshooting by indication on the remote controller 176
- Troubleshooting 176
- Troubleshooting 165 176
- Check operation not executed 177
- Malfunction of transmission between indoor units 178
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 179
- Troubleshooting 179
- Troubleshooting by indication on the remote controller si38 606 179
- Applicable models all models of indoor units 180
- Connection of two main remote controllers when using 2 remote controllers 180
- Defect of indoor unit pc board 180
- Defect of remote controller pc board 180
- 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 180
- Malfunction decision conditions 180
- Malfunction of indoor unit remote controller transmission 180
- Malfunction of transmission between remote controller and indoor unit 180
- Malfunction of transmission caused by noise 180
- Method of malfunction detection 180
- Normal transmission does not continue for specified period 180
- Remote controller display 180
- Supposed causes 180
- Troubleshooting 180
- Malfunction of transmission between outdoor units 181
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 182
- Si38 606 troubleshooting by indication on the remote controller 182
- Troubleshooting 182
- Troubleshooting 171 182
- Applicable models all models of indoor units 183
- Connection between sub remote controllers 183
- Defect of remote controller pc board 183
- 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 183
- Malfunction decision conditions 183
- Malfunction of transmission between main and sub remote controller 183
- Malfunction of transmission between main and sub remote controllers 183
- Method of malfunction detection 183
- Normal transmission does not continue for specified period 183
- Remote controller display 183
- Supposed causes 183
- Troubleshooting 183
- Malfunction of transmission between indoor and outdoor units in the same system 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 si38 606 185
- A difference occurs in data by the type of refrigerant between indoor and outdoor units the number of indoor units is outside of the allowable range 186
- Applicable models all models of indoor unit rxm8 10m 186
- Defect of outdoor unit pc board a1p 186
- Excess of connected indoor units 186
- Excessive number of indoor units 186
- Malfunction decision conditions 186
- Method of malfunction detection 186
- Mismatching of the refrigerant type of indoor and outdoor unit 186
- Remote controller display 186
- Setting of outdoor pc board was not conducted after replacing to spare parts pc board 186
- Supposed causes 186
- The malfunction decision is made as soon as either of the abnormalities aforementioned is detected 186
- The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit 186
- Troubleshooting 186
- Address duplication of centralized remote controller 187
- Malfunction of transmission between centralized remote controller and indoor unit 188
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 189
- Troubleshooting 189
- Troubleshooting by indication on the remote controller si38 606 189
- Applicable models all models of indoor units rxm8 10m 190
- Defect of indoor unit pc board 190
- Failure to execute wiring check operation 190
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor 190
- Malfunction decision conditions 190
- Method of malfunction detection 190
- Note test operation may not be successful if carried out after the outdoor 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 190
- 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 190
- Refrigerant system not set incompatible wiring piping 190
- Remote controller display 190
- Supposed causes 190
- 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 190
- Troubleshooting 190
- Applicable models all models of indoor units rxm8 10m 191
- Defect of indoor unit pc board 191
- Defect of outdoor unit pc board a1p 191
- Detect an indoor unit with no address setting 191
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor 191
- Malfunction decision conditions 191
- Malfunction of system refrigerant system address undefined 191
- Method of malfunction detection 191
- Remote controller display 191
- Supposed causes 191
- The malfunction decision is made as soon as the abnormality aforementioned is detected 191
- Troubleshooting 191
- Pc board defect 192
- Troubleshooting op central remote controller 192
- Applicable models centralized remote controller 193
- Defect of pc board of optional controllers for centralized control 193
- Detect the malfunction according to diii net transmission data the system will be automatically reset 193
- Malfunction decision conditions 193
- Malfunction of transmission between optional controllers for centralized control 193
- Method of malfunction detection 193
- Remote controller display 193
- Supposed causes 193
- Troubleshooting 193
- 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 193
- Improper combination of optional controllers for centralized control 194
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 195
- Troubleshooting 195
- Troubleshooting op central remote controller si38 606 195
- Address duplication improper setting 196
- Malfunction of transmission between central remote controller and indoor unit 197
- Troubleshooting op schedule timer 197
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 198
- Si38 606 troubleshooting op schedule timer 198
- Troubleshooting 198
- Troubleshooting 187 198
- Pc board defect 199
- Applicable models schedule timer 200
- Defect of pc board of optional controllers for centralized control 200
- Detect the malfunction according to diii net transmission data the system will be automatically reset 200
- Malfunction decision conditions 200
- Malfunction of transmission between optional controllers for centralized control 200
- Method of malfunction detection 200
- Remote controller display 200
- Supposed causes 200
- Troubleshooting 200
- 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 200
- Improper combination of optional controllers for centralized control 201
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 202
- Si38 606 troubleshooting op schedule timer 202
- Troubleshooting 202
- Troubleshooting 191 202
- Address duplication improper setting 203
- Operation lamp blinks 204
- Troubleshooting op unified on off controller 204
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 205
- Troubleshooting 205
- Troubleshooting op unified on off controller si38 606 205
- Display under centralized control blinks repeats single blink 206
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 207
- Troubleshooting 207
- Troubleshooting op unified on off controller si38 606 207
- Si38 606 troubleshooting op unified on off controller 208
- Troubleshooting 197 208
- Applicable models unified on off controller 209
- Central control address group no is not set for indoor unit 209
- Detect the malfunction according to diii net transmission data 209
- Display under centralized control blinks repeats double blink 209
- Improper address setting 209
- Improper wiring of transmission wiring 209
- Malfunction decision conditions 209
- Method of malfunction detection 209
- Remote controller display 209
- Supposed causes 209
- Troubleshooting 209
- Troubleshooting op unified on off controller si38 606 209
- Under centralized control repeats double blink 209
- When no central control addresses are set to indoor units when no indoor units are connected within the control range 209
- Check no 8 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 210
- Check no 9 1 turn off the power supply 2 measure the resistance between vcc and each phase of u v w and gnd and each phase at the motor side connectors five core wire to check that the values are balanced within the range of 20 while connector or relay connector is disconnected 210
- Si38 606 troubleshooting op unified on off controller 210
- Troubleshooting 199 210
- Check no 12 check on pulse input of position signal of fan inverter pc board 1 disconnect the connector x2a while power supply off and operation off 2 is the voltage between pins no 4 and 5 on x2a approx 15 v after power supply is turned on 3 connect the connector x2a while power supply off and operation off 4 check below conditions when the fan motor is rotated one turn manually under the condition of operation off after power supply is turned on are the pulse approx 0 v and 5 v generated 4 times between no 1 and 5 on x2a are the pulse approx 0 v and 5 v generated 4 times between no 2 and 5 on x2a are the pulse approx 0 v and 5 v generated 4 times between no 3 and 5 on x2a 211
- List of electrical and functional parts 20 212
- Option list 27 212
- Part 7 appendix 212
- Piping diagrams 02 212
- Selection of pipe size joints and header 30 212
- Thermistor resistance temperature characteristics 32 7 pressure sensor 34 8 method of replacing the inverter s power transistors and diode modules 35 212
- Wiring diagrams 04 212
- Cooling only 213
- Outdoor unit 213
- Piping diagrams 213
- Rxm8m 10my1 213
- Electronic expansion valve filter filter 214
- Flare connectio 214
- Flare connection 214
- Fxc fxf fxk fxd fxyd fxs fxyb fxm fxh fxa fxl fxn 214
- Heat exchanger gas piping connection port 214
- Indoor unit 214
- Liquid piping connection port 214
- R1t thermistor for suction air temperature r2t thermistor for liquid line temperature r3t thermistor for gas line temperature 214
- Φ 19 or less attached piping above φ 25 214
- Cooling only 215
- Outdoor unit 215
- Rxm8m 10my1 215
- Wiring diagrams 215
- Field wiring 216
- Rxm8m 10my1 216
- Fxc20l 25l 32l 63lve 217
- Indoor unit 217
- Fxc40l 50l 80l 125lve 218
- Fxf25l 32l 40l 50l 63l 80l 100l 125lve 219
- Fxk25l 32l 40l 63lve 220
- Fxd20p 25p 32pve with drain pump fxd20m 25m 32m 40m 50m 63mve with drain pump 221
- Fxd20p 25p 32p without drain pump fxd20m 25m 32m 40m 50m 63mvet without drain pump 222
- Fxyd20ka 25ka 32ka 40ka 50ka 63kave 223
- Fxs20l 25l 32l 40l 50l 63l 80l 100l 125lve 224
- Fxyb20k 25k 32k 40k 50k 63k 80k 100k 125kv1 225
- Fxm40l 50l 63l 80l 100l 125lve 226
- Fxm200l 250lve 227
- Fxh32l 63l 100lve 228
- Fxa20l 25l 32l 40l 50l 63lve 229
- Fxl20l 25l 32l 40l 50l 63lve fxn20l 25l 32l 40l 50l 63lve 230
- List of electrical and functional parts 231
- Outdoor unit 231
- Rxm8 10my1 231
- Appendix 221 232
- C off 87 c on 232
- Indoor unit 232
- Si38 606 list of electrical and functional parts 232
- Appendix 233
- List of electrical and functional parts si38 606 233
- Only for fxd20 63mve fxd20 32pve with drain pump type 233
- Appendix 223 234
- Si38 606 list of electrical and functional parts 234
- Appendix 235
- List of electrical and functional parts si38 606 235
- Appendix 225 236
- Si38 606 list of electrical and functional parts 236
- Μ f 400v 236
- Appendix 237
- List of electrical and functional parts si38 606 237
- Appendix 227 238
- Installation box no is necessary for each adaptor marked 2 up to 2 adaptors can be fixed for each installation box 3 only one installation box can be installed for each indoor unit 4 installation box no 8 is necessary for second adaptor 5 up to 2 installation boxes can be installed for each indoor unit 6 installation box is necessary for each adaptor 7 brc2a51 is also available 238
- Operation control system optional accessories 238
- Option list 238
- Option list of controllers 238
- Si38 606 option list 238
- Various pc boards 238
- 1 option software p p d dam002a51 p p d power proportional distribution function eco dam003a51 software for energy saving control 239
- 1 optional diii board dam411a1 expansion kit installed on dms502a51 to provide 3 more diii net communication ports not usable independently 239
- 2 optional di board dam412a1 expansion kit installed on dms502a51 to provide 16 more wattmeter pulse input points not usable independently 239
- 2 software p p d dcs002c51 p p d power proportional distribution function 239
- 3 web dcs004a51 monitors and controls the air conditioning system using the internet and web browser application on a pc 1 4 electrical box with earth terminal 4blocks kjb411a wall embedded switch box 239
- Air conditioner management system featuring minimized engineering that can be controlled by personal computers 239
- Appendix 239
- Basic hardware intelligent touch controller dcs601c51 air conditioning management system that can be controlled by a compact all in one unit 239
- Building management system 239
- Communication 239
- Communication line 239
- Communications 239
- Dms502a51 interface unit to allow communications between vrv and bms operation and monitoring of air conditioning systems through bacne 239
- Dms504b51 interface unit to allow communications between vrv and bms operation and monitoring of air conditioning systems through 239
- Hardware diii net plus adaptor dcs601a52 additional 64 groups 10 outdoor units is possible 239
- Installation box for adaptor must be procured on site 239
- Intelligent manager iii 239
- Intelligent touch controller 239
- Interface for use in bacne 239
- Interface for use in lonwork 239
- Is a registered trade mark of echelon corporation 239
- Is a registered trademark of american society of heating refrigerating and air conditioning engineers ashrae 239
- Number of units to be connected 239
- Option 239
- Option list si38 606 239
- Optional diii ai unit dam101a51 analog input for sliding temperature function to reduce cold shock for intelligent manager iii 239
- Ppd does not support connection unit series 239
- System configuration 239
- Units dam602b51 512 units dam602b51x2 768 units dam602b51x3 1024 units dam602b51x4 239
- Units dam602b52 239
- Appendix 229 240
- Option lists outdoor unit 240
- Rxm8 10my1 240
- Si38 606 option list 240
- Between outdoor unit and uppermost stream refnet joint 241
- For refnet joints other than the first branch select the proper ones based on the total capacity index of the indoor units installed after the first branch using the following table 241
- How to select pipe size 241
- How to select the refnet header 241
- How to select the refnet joint 241
- How to select the refnet joint when using refnet joints at the first branch counted from the outdoor unit side choose from the following table in accordance with the capacity of the outdoor unit ex refnet joint a 241
- Rxm8m 10m 241
- Select the proper refnet header using the following table based on the total capacity index of indoor units installed after the header 241
- Selection of pipe size joints and header 241
- Pipe size for direct connection to indoor unit must be the same as the connection size of indoor unit connection pipe size of indoor unit 242
- Piping between the refnet joints 242
- Piping between the refnet joints and indoor unit 242
- Select the proper pipe size using the following table based on the total capacity index of indoor units connected downstream connection piping size should not exceed the refrigerant piping size selected by the model with combination units 242
- Select the wall thickness in accordance with revelant local and national regulations 242
- The piping minimum thickness 242
- Appendix 243
- Indoor unit for air suction r1t for liquid pipe r2t for gas pipe r3t 243
- Outdoor unit for outdoor air r1t for coil r2t for suction pipe r4t for receiver gas pipe r5t for oil r7t 243
- Thermistor resistance temperature characteristics 243
- Thermistor resistance temperature characteristics si38 606 243
- Appendix 233 244
- Outdoor unit thermistors for discharge pipe r3t 244
- Si38 606 thermistor resistance temperature characteristics 244
- Pressure sensor 245
- Before checking disconnect the electric wiring connected to the power transistor and diode module 246
- Decision according to continuity check by analog tester 246
- Electronic circuit 246
- Inverter pc board 246
- Inverter pc board aip 246
- Method of replacing the inverter s power transistors and diode modules 246
- Drawings flow charts 252
- 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 254
- Cautions on product corrosion 254
- 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 254
- Http www daikin com global_ac 254
- If you have any enquiries please contact your local importer distributor and or retailer 254
- 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 254
- This book is made of recycled paper printed in singapore 01 2007 cos 254
- 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 254
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