![Daikin RXYSQ5PA7V1B [192/282] Outdoor unit malfunction of low pressure sensor](/img/pdf.png)
Daikin RXYSQ5PA7V1B [192/282] Outdoor unit malfunction of low pressure sensor
![Daikin RXYSQ5PA7V1B [192/282] Outdoor unit malfunction of low pressure sensor](/views2/1706976/page192/bgc0.png)
SiBE34-802 Troubleshooting by Indication on the Remote Controller
Troubleshooting 181
3.33
“
JC
”
Outdoor Unit: Malfunction of Low Pressure Sensor
Remote
Controller
Display
JC
Applicable
Models
RXYSQ4~6PA
Method of
Malfunction
Detection
Malfunction is detected from pressure detected by low pressure sensor.
Malfunction
Decision
Conditions
When the low pressure sensor is short circuit or open circuit.
Supposed
Causes
Defect of low pressure sensor
Connection of high pressure sensor with wrong connection.
Defect of outdoor unit PC board.
Troubleshooting
∗
1: Voltage measurement point
∗
2: Refer to “Pressure Sensor”, pressure/voltage characteristics table on P253.
(V2808)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
The
relationship
between the ∗1
VL and low pressure is
normal (see ∗2) when voltage
is measured between X18A pins
(2) and (3) of outdoor unit
PC board (A1P)
(see ∗1).
Replace the low pressure sensor.
Connect low pressure sensor
property and restart system.
NO
NO
Replace outdoor unit PC board
(A1P).
YES
YES
The low
pressure sensor is
connected to X18A (blue)
of outdoor unit PC
board (A1P).
Содержание
- Capacity range 2
- Functional parts layout 4 2
- Introduction v 2
- List of electrical and functional parts 0 2
- Model names of indoor outdoor units 2 external appearance 2
- Operation mode 8 2 basic control 9 2
- Part 1 general information 2
- Part 2 specifications 2
- Part 3 list of electrical and functional parts 9 2
- Part 4 refrigerant circuit 9 2
- Part 5 function 7 2
- R 410a heat pump 50hz 2
- Refrigerant circuit 0 2
- Special control 3 2
- Specifications 2
- Table of contents 2
- Other control 4 3
- Outdoor unit pc board layout 6 3 field setting 7 3
- Outline of control indoor unit 5 3
- Part 6 test operation 3 3
- Part 7 troubleshooting 23 3
- Protection control 0 3
- Symptom based troubleshooting 25 2 troubleshooting by remote controller 28 3
- Test operation 4 3
- Troubleshooting by indication on the remote controller 42 3
- Drawings flow charts iii 5
- Example of connection 49 5 thermistor resistance temperature characteristics 51 6 pressure sensor 53 7 method of replacing the inverter s power transistors modules 54 5
- Index i 5
- Option list 46 5
- Part 8 appendix 21 5
- Part 9 precautions for new refrigerant r 410a 57 5
- Piping diagrams 22 5
- Precautions for new refrigerant r 410a 58 5
- Troubleshooting by indication on the centralized remote controller 06 5
- Troubleshooting by indication on the unified on off controller 12 5
- Wiring diagrams 27 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
- Indoor units 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
- 600 ceiling mounted cassette type multi flow 14
- Ceiling concealed type small 14
- Ceiling mounted built in type 14
- Ceiling mounted cassette corner type 14
- Ceiling mounted cassette type double flow 14
- Ceiling mounted cassette type round flow 14
- Ceiling mounted duct type 14
- Ceiling suspended cassette type connection unit series 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
- Capacity range 15
- Indoor units 15
- Outdoor units 15
- Part 2 specifications 16
- Specifications 16
- Outdoor units 17
- Specifications 17
- Specifications sibe34 802 17
- Sibe34 802 specifications 18
- Specifications 7 18
- Specifications 19
- Specifications sibe34 802 19
- Sibe34 802 specifications 20
- Specifications 9 20
- Ceiling mounted cassette type double flow 21
- Indoor units 21
- Specifications 21
- Specifications sibe34 802 21
- Sibe34 802 specifications 22
- Specifications 11 22
- Ceiling mounted cassette type double flow 23
- Specifications 23
- Specifications sibe34 802 23
- Ceiling mounted cassette type round flow 24
- Sibe34 802 specifications 24
- Specifications 13 24
- Ceiling mounted cassette type round flow 25
- Specifications 25
- Specifications sibe34 802 25
- 600 ceiling mounted cassette type multi flow 26
- Sibe34 802 specifications 26
- Specifications 15 26
- Ceiling mounted cassette corner type 27
- Sirocco fan 27
- Specifications 27
- Specifications sibe34 802 27
- Sibe34 802 specifications 28
- Sirocco fan 28
- Slim ceiling mounted duct type 28
- Specifications 17 28
- Slim ceiling mounted duct type with drain pump 29
- Specifications 29
- Specifications sibe34 802 29
- Ceiling mounted built in type 30
- Sibe34 802 specifications 30
- Specifications 19 30
- Ceiling mounted built in type 31
- Specifications 31
- Specifications sibe34 802 31
- Ceiling mounted duct type 32
- Sibe34 802 specifications 32
- Specifications 21 32
- Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat 33
- Ceiling suspended type 33
- Resin net with mold resistance 33
- Specifications 33
- Specifications sibe34 802 33
- Sibe34 802 specifications 34
- Specifications 23 34
- Wall mounted type 34
- Floor standing type 35
- Specifications 35
- Specifications sibe34 802 35
- Concealed floor standing type 36
- Sibe34 802 specifications 36
- Specifications 25 36
- Ceiling suspended cassette type 37
- Specifications 37
- Specifications sibe34 802 37
- Bev units 38
- Sibe34 802 specifications 38
- Specifications 27 38
- List of electrical and functional parts 0 40
- Part 3 list of electrical and functional parts 40
- List of electrical and functional parts 41
- Outdoor unit 41
- Rxysq4 5 6pa7y1b 41
- Rxysq4 5 6pa7v1b 42
- C off 87 c on 43
- Indoor unit 43
- List of electrical and functional parts 43
- List of electrical and functional parts sibe34 802 43
- List of electrical and functional parts 33 44
- Sibe34 802 list of electrical and functional parts 44
- List of electrical and functional parts 45
- List of electrical and functional parts sibe34 802 45
- List of electrical and functional parts 35 46
- Sibe34 802 list of electrical and functional parts 46
- List of electrical and functional parts 47
- List of electrical and functional parts sibe34 802 47
- List of electrical and functional parts 37 48
- Sibe34 802 list of electrical and functional parts 48
- Thermal protector 130 c off 83 c on 48
- Functional parts layout 4 50
- Part 4 refrigerant circuit 50
- Refrigerant circuit 0 50
- Outdoor unit 51
- Refrigerant circuit 51
- Refrigerant circuit sibe34 802 51
- Rxysq4 5 6pa7y1b 51
- Refrigerant circuit 53
- Refrigerant circuit sibe34 802 53
- Rxysq4 5 6pa7v1b 53
- Birds eye view 55
- Functional parts layout 55
- Functional parts layout sibe34 802 55
- Refrigerant circuit 55
- Rxysq4 5 6pa7y1b 55
- Birds eye view 56
- R2t thermistor discharge 56
- R3t thermistor suction 1 56
- Refrigerant circuit 45 56
- Rxysq4 5 6pa7v1b 56
- Sibe34 802 functional parts layout 56
- Y1s 4 way valve lead wire 56
- Y2s solenoid valve 56
- Back view 57
- Functional parts layout sibe34 802 57
- Refrigerant circuit 57
- Function 58
- Operation mode 8 2 basic control 9 58
- Other control 4 58
- Outline of control indoor unit 5 58
- Part 5 58
- Part 5 function 58
- Protection control 0 58
- Special control 3 58
- Function 59
- Indoor unit stop or thermostat off 59
- Indoor unit thermostat on 59
- Malfunction standby 59
- Note in the event indoor unit stops or the thermostat turns off while in oil return operation or defrosting operation pump down residual operation is performed on completion of the oil return operation or defrosting operation 59
- Operation mode 59
- Operation mode sibe34 802 59
- Pump down residual operation 59
- Basic control 60
- Cdb or more 60
- Heating operation is not functional at an outdoor air temperature of 2 60
- Normal operation 60
- Compressor pi control 61
- Electronic expansion valve pi control 62
- 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 outdoor unit heat exchanger evaporator 62
- Of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger 62
- Subcooling electronic expansion valve ev3 control makes pi control of the electronic expansion valve y3e to keep the superheated degree 62
- The optimum initial value of the evaporator outlet superheated degree is 3 c but varies depending on the discharge pipe superheated degree of inverter compressor 62
- C it will run in step 1 or higher 63
- C it will run in step 5 or higher when outdoor temperature 63
- C the compressor will run in step 7 or higher when outdoor temperature 63
- Cooling operation fan control 63
- Fan steps 63
- 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 furthermore when outdoor temperature 63
- Special control 64
- Startup control 64
- Startup control in cooling operation 64
- Startup control in heating operation 64
- This control is used to equalize the pressure in the front and back of the compressor prior to the startup of the compressor thus reducing startup loads furthermore the inverter is turned on to charge the capacitor in addition to avoid stresses to the compressor due to oil return or else after the startup the following control is made and the position of the four way valve is also determined to position the four way valve the master and slave units simultaneously start up 64
- In order to prevent the compressor from running out of oil the oil return operation is conducted to recover oil flown out from the compressor to the system side 65
- Oil return operation 65
- Oil return operation in cooling operation 65
- Start conditions referring to the set conditions for the following items start the oil return operation in cooling cumulative oil feed rate timer setting make this setting so as to start the oil return operation when the initial cumulative operating time reaches two hours after power supply is turned on and then every eight hours furthermore the cumulative oil feed rate is computed from tc te and compressor loads 65
- Conditions to start the heating oil returning operation is started referring following conditions 66
- From the preparing oil returning operation to the oil returning operation and from the oil returning operation to the operation after oil returning the compressor stops for 1 minute to reduce noise on changing of the four way valve 66
- Integrated amount of displaced oil 66
- Oil return operation in heating operation 66
- Timer after the power is turned on integrated operating time is 2 hours and subsequently every 8 hours in addition integrated amount of displaced oil is derived from tc te and the compressor load 66
- Defrosting operation 67
- From the preparing operation to the defrost operation and from the defrost operation to the operation after defrost the compressor stops for 1 minute to reduce noise on changing of the four way valve 67
- Outdoor heat exchanger heat transfer co efficiency 67
- Temperature of heat exchange tb 67
- The defrost operation is performed to solve frost on the outdoor unit heat exchanger when heating and the heating capacity is recovered conditions to start the defrost operation is started referring following conditions 67
- Timer 2 hours at the minimum in addition outdoor heat exchange co efficiency is derived from tc te and the compressor load 67
- Pump down residual operation 68
- Pump down residual operation in cooling operation 68
- Pump down residual operation in heating operation 68
- When activating compressor if the liquid refrigerant remains in the heat exchanger the liquid enters into the compressor and dilutes oil therein resulting in decrease of lubricity therefore the pump down residual operation is performed to collect the refrigerant in the heat exchanger when the compressor is down 68
- Restart is stood by force to prevent frequent power on off and to equalize pressure in the refrigerant system 69
- Restart standby 69
- Operation of the actuator when the system is down is cleared up 70
- Stopping operation 70
- When system is in stop mode 70
- Function 71
- High pressure protection control 71
- In cooling operation 71
- In heating operation 71
- Protection control 71
- Protection control sibe34 802 71
- 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 71
- In cooling operation 72
- In heating operation 72
- Low pressure protection control 72
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 72
- Discharge pipe protection control 73
- Inv compressor 73
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 73
- Fin temp standby 74
- Inv upper limit frequency max hz 74
- 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 74
- Inverter fin temperature control 74
- Inverter overcurrent protection control 74
- Inverter protection control 74
- Limited 74
- Not limited 74
- Tfin 76 c 74
- Tfin 76 c continues for 3 min 74
- Tfin 79 c 74
- Tfin 84 c 74
- When occurring 4 times within 60 min the malfunction code l4 is output 74
- Demand 1 setting 75
- Demand operation 75
- Heating operation is prohibited above 24 cdb outdoor air temperature 75
- Heating operation prohibition 75
- In order to save the power consumption the capacity of outdoor unit is saved with control forcibly by using demand 1 setting to operate the unit with this mode additional setting of continuous demand setting 75
- Other control 75
- Other protection control functions have precedence over the above operation 75
- Drain pump control 76
- Outline of control indoor unit 76
- Louver control for preventing ceiling dirt 78
- Thermostat sensor in remote controller 79
- Freeze prevention 81
- Swing flaps work as following 82
- View of operations of swing flaps 82
- Electronic expansion valve control 83
- Hot start control in heating operation only 83
- Outdoor unit pc board layout 6 3 field setting 7 84
- Part 6 test operation 84
- Test operation 4 84
- Check work prior to turn power supply on 85
- Follow the following procedure to conduct the initial test operation after installation 85
- Procedure and outline 85
- Test operation 85
- Turn power on 85
- Additional refrigerant charge 86
- Air tight test and vacuum drying 86
- Important information regarding the refrigerant used 87
- Procedures for adding refrigerant 88
- Automatically charge the refrigerant according to the procedure described below 89
- Blinking on or off if h2p is lit up check the type of error based on the error code in the remote controller and correct the error in accordance with 1 check operation on page 82 89
- If the led display below appears check the indoor unit connection capacity 89
- If the led display below appears the automatic refrigerant charging restriction has been exceeded additional refrigerant must be charged by calculating the additional refrigerant charging amount 89
- If the led display below appears the liquid and gas side stop valves may be closed 89
- Led state throughout the manual the state of the leds is indicated as follows 89
- Note if you want to repeat the automatic refrigerant charging operation from step 4 fully open the liquid and gas side stop valves and press the bs1 mode button once 89
- Press bs4 test for 5 seconds the unit will start running 89
- Press bs4 test once 89
- Test operation 89
- Test operation sibe34 802 89
- Warning do not touch anything else than the push buttons bs1 5 on the pcb when making the settings these settings must be done with the power on 89
- When the led indication becomes as shown in the table below in about 15 to 30 minutes after start of operation open valve a at once to start charging of the refrigerant immediately after starting charging of the refrigerant by opening valve a press bs4 test once when bs4 test is not pressed within 10 minutes after the led indication is shown charging is stopped 89
- After correcting the problem press bs1 mode button once and perform automatic refrigerant charging again starting from step 4 90
- Are the valve on the refrigerant tank and valve a open check if the bs4 test button was pressed within 10 minutes after the valves were opened 90
- Case 1 charging complete 90
- Case 2 recharging operation 90
- Case 3 charging interrupted 90
- Caution 90
- Charging of the refrigerant is complete press bs1 mode button once and go to step 5 90
- I i i i i j j p9 90
- I i i i j j h p8 90
- I i j j h h h p2 90
- I i j j h h h pa 90
- Is not shown on the remote controller but this does not indicate a malfunction the led indication can immediately shift to the situation as shown in case 1 charging complete on page 79 90
- Is the gas side stop valve completely open 90
- Is the indoor unit air intake vent or outlet vent blocked 90
- J j j i i i i pe 90
- Note if the led display below appears the refrigerant tank is empty replace the refrigerant tank open valve a and re charge 90
- Note it is possible that the code 90
- Press bs1 mode button once and perform automatic refrigerant charging again starting from step 4 90
- Sibe34 802 test operation 90
- Something is preventing normal operation 90
- Test operation 79 90
- The led indication becomes as shown in the table below during automatic refrigerant charging during automatic refrigerant charging the remote controller indicates test test operation and external control 90
- The led indication becomes as shown in the table below when automatic refrigerant charging is about to end prepare to close the valve on the refrigerant tank 90
- The outdoor fan may keep rotating a little bit more but this does not indicate a malfunction 90
- When adding refrigerant is done or when pausing close the valve on the refrigerant tank immediately more refrigerant might be charged by any remaining pressure after the machine is stopped 90
- When the led indication becomes as shown in the table below quickly close valve a and follow instructions as described below 90
- Check operation 93
- Check the indoor unit remote controller for abnormal display and correct it 93
- 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 93
- On completion of test operation led on outdoor unit pc board displays the following h3p on normal completion h2p on abnormal completion 93
- Malfunction code in case of an alarm code displayed on remote controller 94
- Confirmation on normal operation 95
- 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 96
- Operation when power is turned on 96
- Tap the reset bs5 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 96
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 96
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pc board has been changed 96
- When turning on power first time 96
- When turning on power the second time and subsequent 96
- Outdoor unit pc board layout 97
- Outdoor unit pc board layout sibe34 802 97
- Rxysq4 5 6pa7v1b 97
- Rxysq4 5 6pa7y1b 97
- Test operation 97
- Field setting 98
- Field setting from remote controller 98
- Wired remote controller 98
- Wireless remote controller indoor unit 100
- Simplified remote controller 101
- 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 102
- Setting contents and code no vrv indoor unit 102
- Sibe34 802 field setting 102
- Test operation 91 102
- Applicable range of field setting 103
- Field setting sibe34 802 103
- Static pressure selection 103
- Test operation 103
- 1 filter sign setting 104
- 2 ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed 104
- 3 selection of thermistor select the thermistor to control room temperature 104
- 4 filter cleaning displayed or not displayed whether or not to display filter cleaning after operation of certain duration can be selected 104
- Detailed explanation of setting modes 104
- If switching the filter sign on time set as given in the table below set time 104
- Setting table 104
- 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 104
- 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 105
- 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 adapter an optional accessory 105
- 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 105
- Setting table 105
- 10 setting of operation mode to auto this setting makes it possible to change differential values for mode selection while in automatic operation mode 106
- 11 auto restart after power failure reset 106
- 12 air flow when cooling thermostat is off this is used to set air flow to ll air flow when cooling thermostat is off 106
- 8 thermostat switching differential value during thermostat on off control can be changed 106
- 9 air flow setting when heating thermostat is off this setting is used to set air flow when heating thermostat is off 106
- 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 106
- 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 106
- 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 106
- The automatic operation mode setting is made by the use of the operation mode selector button 106
- When thermostat off air flow 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 106
- 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 107
- 13 setting of normal air flow make the following setting according to the ceiling height the setting position no is set to 01 at the factory 107
- In the case of fxaq 107
- In the case of fxfq100 125 107
- In the case of fxfq100 125 all round outlet 107
- In the case of fxfq20 80 107
- In the case of fxfq20 80 all round outlet 107
- In the case of fxhq 107
- Way 3 way 2 way outlets 107
- 14 air flow direction setting 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 01 108
- 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 108
- 16 setting of air flow direction adjustment range make the following air flow direction setting according to the respective purpose 108
- 17 setting of the static pressure selection 108
- In the case of fxdq20 32pb fxdq40 63nb 108
- In the case of fxuq71 125 108
- Setting table 108
- Some indoor unit models are not equipped with draft prevention upward function 108
- 18 external static pressure settings for fxmq p model 109
- 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 109
- 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 109
- 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 109
- 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 109
- 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 110
- Centralized control group no setting 111
- Brc7 type brc4 type 112
- 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 112
- 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 112
- Group no setting example 112
- Sibe34 802 field setting 112
- Test operation 101 112
- Contents of control modes 113
- Setting of operation control mode from remote controller local setting 113
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 114
- Factory setting 114
- 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 114
- Cool heat selector connection procedure 115
- Field setting from outdoor unit 115
- Setting by dip switches 115
- Capacity 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 116
- Caution 116
- Sibe34 802 field setting 116
- Test operation 105 116
- 7 8 7 7 7 7 117
- Factory setting 117
- Field setting sibe34 802 117
- H1p h2p h3p h4p h5p h6p h7p 117
- Led indication 117
- Mode changing procedure 117
- Monitor mode h1p blinks used to check the program made in setting mode 2 117
- Setting by pushbutton switches the following settings are made by pushbutton switches on pc board 117
- Setting mode 1 h1p off initial status when normal also indicates during abnormal 117
- Setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system 117
- Test operation 117
- There are the following three setting modes 117
- 7 8 7 7 7 7 118
- A setting mode 1 118
- Procedure for changing cool heat selection setting 118
- Sibe34 802 field setting 118
- Test operation 107 118
- This mode is used to set and check the following items 1 set items in order to make cool heat selection in a batch of outdoor unit group change the setting cool heat selection ind used to select cool or heat by individual outdoor unit factory set cool heat selection master used to select cool or heat by outdoor unit group with the master unit cool heat selection slave used to select cool or heat by outdoor unit group with the slave unit 2 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 118
- B setting mode 2 119
- The numbers in the no column represent the number of times to press the set bs2 button 119
- 7 7 7 7 7 122
- 7 7 7 7 8 122
- 7 7 7 7 9 122
- 7 7 7 8 7 122
- 7 7 7 8 8 122
- 7 7 7 9 7 122
- 7 7 8 7 7 122
- 7 7 8 7 8 122
- 7 7 8 8 8 122
- 7 7 9 7 7 122
- 7 8 7 7 7 122
- 7 8 7 8 8 122
- 7 8 8 7 7 122
- 7 8 8 7 8 122
- 7 8 8 8 7 122
- 7 8 8 8 8 122
- 8 7 7 7 7 122
- 8 7 8 7 7 122
- 8 7 8 7 8 122
- 8 7 8 8 7 122
- 8 8 7 7 8 122
- C monitor mode 122
- Defrost select setting short 122
- Emg operation backup operation setting 122
- Setting item 0 display contents of various setting 122
- Sibe34 802 field setting 122
- Tc setting h 122
- Te setting h 122
- Test operation 111 122
- The numbers in the no column represent the number of times to press the set bs2 button 122
- Cool heat mode switching 124
- For the details refer to the installation manual supplied together with the indoor unit 124
- In the case of wired remote controllers 124
- In the case of wireless remote controllers 124
- It does not matter whether or not there is outdoor outdoor unit wiring 124
- Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote controller 124
- Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller 124
- Set cool heat separately for each outdoor unit system by cool heat switching remote controller 124
- Set cool heat separately for each outdoor unit system by indoor unit remote controller 124
- Set cool heat switching to ind individual for setting mode 1 factory set 124
- Set outdoor unit pc board ds1 1 to in factory set 124
- There are the following 4 cool heat switching modes 124
- It does not matter whether or not there is outdoor outdoor unit wiring 125
- Set cool heat separately for each outdoor unit system by cool heat switching remote controller 125
- Set cool heat switching to ind individual for setting mode 1 factory set 125
- Set outdoor unit pc board ds1 1 to out factory set 125
- Setting of low noise operation and demand operation 126
- 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 mode 3 the compressor operates at approx 80 or less of rating 127
- Field setting sibe34 802 127
- Image of operation 127
- Set item condition content 127
- Setting of demand operation by connecting the external contact input to the demand input of the outdoor unit external control adaptor optional the power consumption of unit operation can be saved suppressing the compressor operating condition 127
- Test operation 127
- When the normal demand operation is carried out use of the external control adaptor 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 127
- Setting of refrigerant additional charging operation 130
- Setting of refrigerant recovery mode 131
- Check operation 132
- Check operation function 132
- In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves 132
- In setting mode 2 with units in stop mode set b refrigerant recovery vacuuming mode to on the respective expansion valve of indoor and outdoor units are fully opened test operation and under centralized control are displayed on the remote controller and the indoor outdoor unit operation is prohibited after setting do not cancel setting mode 2 until completion of vacuuming operation 132
- Operating procedure 132
- Press mode button bs1 once and reset setting mode 2 132
- Setting of vacuuming mode 132
- 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 or discharge pipe thermistor and judgment of piping length refrigerant overcharging and learning for the minimum opening degree of electronic expansion valve 132
- Use the vacuum pump to perform vacuuming operation 132
- Part 7 troubleshooting 134
- Symptom based troubleshooting 25 2 troubleshooting by remote controller 28 134
- Troubleshooting by indication on the remote controller 42 134
- Troubleshooting by indication on the centralized remote controller 06 135
- Troubleshooting by indication on the unified on off controller 12 135
- Symptom based troubleshooting 136
- Inspection mode 139
- Local setting mode service mode 139
- Normal mode 139
- Test operation mode 139
- The following modes can be selected by using the inspection test operation button on the remote control 139
- The inspection test button 139
- Troubleshooting by remote controller 139
- Self diagnosis by wired remote controller 140
- Self diagnosis by wireless remote controller 141
- The lower digit of the code changes as shown below when the up and down buttons are pressed 142
- Operation of the remote controller s inspection test operation button 143
- Troubleshooting 143
- Troubleshooting by remote controller sibe34 802 143
- Remote controller service mode 144
- Remote controller self diagnosis function 146
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 148
- Detail description on next page 149
- Malfunction code indication by outdoor unit pc board 149
- Push the mode bs1 button and returns to setting mode 1 149
- Push the return bs3 button and switches to the initial status of monitor mode 149
- Push the return bs3 button once to display first digit of malfunction code 149
- Push the set bs2 button and set the led display to a setting item 149
- Push the set bs2 button once to display malfunction location 149
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 149
- Push the set bs2 button once to display second digit of malfunction code 149
- To enter the monitor mode push the mode bs1 button when in setting mode 1 149
- Troubleshooting 149
- Troubleshooting by remote controller sibe34 802 149
- Sibe34 802 troubleshooting by remote controller 150
- Troubleshooting 139 150
- Detail description on next page 151
- Push the mode bs1 button and returns to setting mode 1 151
- Push the return bs3 button and switches to the initial status of monitor mode 151
- Push the return bs3 button once to display first digit of malfunction code 151
- Push the set bs2 button and set the led display to a setting item 151
- Push the set bs2 button once to display malfunction location 151
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 151
- Push the set bs2 button once to display second digit of malfunction code 151
- To enter the monitor mode push the mode bs1 button when in setting mode 1 151
- Troubleshooting 151
- Troubleshooting by remote controller sibe34 802 151
- Sibe34 802 troubleshooting by remote controller 152
- Troubleshooting 141 152
- Actuation of external protection device 153
- Applicable models all indoor unit models 153
- Defect of indoor unit pc board 153
- Improper field set 153
- Indoor unit error of external protection device 153
- Malfunction decision conditions 153
- Method of malfunction detection 153
- Remote controller display 153
- Supposed causes 153
- Troubleshooting 153
- Troubleshooting by indication on the remote controller 153
- Indoor unit pc board defect 154
- Indoor unit malfunction of drain level control system s1l 155
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 156
- Sibe34 802 troubleshooting by indication on the remote controller 156
- Troubleshooting 156
- Troubleshooting 145 156
- Applicable models all indoor unit models 157
- Detection by failure of signal for detecting number of turns to come from the fan motor 157
- Disconnected or faulty wiring between fan motor and pc board 157
- Fan motor lock 157
- Indoor unit fan motor m1f lock overload 157
- Malfunction decision conditions 157
- Method of malfunction detection 157
- Remote controller display 157
- Supposed causes 157
- Troubleshooting 157
- When number of turns can t be detected even when output voltage to the fan is maximum 157
- Indoor unit malfunction of swing flap motor m1s 158
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 159
- Troubleshooting 159
- Troubleshooting by indication on the remote controller sibe34 802 159
- Abnormal power supply voltage 160
- Applicable models fxmq40 125p 160
- Connection defect on signal line 160
- Detect malfunction checking the input voltage of fan motor 160
- Instantaneous blackout others 160
- Malfunction decision conditions 160
- Method of malfunction detection 160
- Power supply voltage malfunction 160
- Remote controller display 160
- Supposed causes the possible causes are 160
- Troubleshooting 160
- When the input voltage of fan motor is 150v and below or 386v and above 160
- Wiring defect 160
- Applicable models all indoor unit models 161
- Defect of connecting cable 161
- Defect of indoor unit pc board 161
- Indoor unit malfunction of moving part of electronic expansion valve y1e 161
- Malfunction decision conditions 161
- Malfunction of moving part of electronic expansion valve 161
- Method of malfunction detection 161
- Remote controller display 161
- Supposed causes 161
- Troubleshooting 161
- 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 162
- Continuity no continuity 162
- Normal 162
- Indoor unit drain level above limit 163
- Indoor unit malfunction of capacity determination device 164
- Indoor unit failure of transmission between indoor unit pc board and fan pc board 165
- After confirmation turn off the power take off the short circuit and connect x70a back to original condition 166
- Determination 01 normal other than 01 transmission defect on indoor pc board 166
- 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 41 166
- Pull out and insert the connecter once and check it is absolutely connected 166
- Sibe34 802 troubleshooting by indication on the remote controller 166
- Troubleshooting 166
- Troubleshooting 155 166
- Applicable models all indoor unit models 167
- Defect of indoor unit pc board 167
- Defect of thermistor r2t for liquid pipe 167
- Indoor unit malfunction of thermistor r2t for heat exchanger 167
- Malfunction decision conditions 167
- Malfunction detection is carried out by temperature detected by heat exchanger thermistor 167
- Method of malfunction detection 167
- Refer to thermistor resistance temperature characteristics table on p251 167
- Remote controller display 167
- Supposed causes 167
- Troubleshooting 167
- When the heat exchanger thermistor becomes disconnected or shorted while the unit is running 167
- Applicable models all indoor unit models 168
- Defect of indoor unit pc board 168
- Defect of indoor unit thermistor r3t for gas pipe 168
- Indoor unit malfunction of thermistor r3t for gas pipes 168
- Malfunction decision conditions 168
- Malfunction detection is carried out by temperature detected by gas pipe thermistor 168
- Method of malfunction detection 168
- Refer to thermistor resistance temperature characteristics table on p251 168
- Remote controller display 168
- Supposed causes 168
- Troubleshooting 168
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running 168
- Indoor unit failure of combination between indoor unit pc board and fan pc board 169
- Applicable models aii indoor unit models 170
- Defect of indoor unit pc board 170
- Defect of indoor unit thermistor r1t for air inlet 170
- Indoor unit malfunction of thermistor r1t for suction air 170
- Malfunction decision conditions 170
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor 170
- Method of malfunction detection 170
- Refer to thermistor resistance temperature characteristics table on p251 170
- Remote controller display 170
- Supposed causes 170
- Troubleshooting 170
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running 170
- Applicable models aii indoor unit models 171
- Defect of indoor unit pc board 171
- Defect of indoor unit thermistor for air outlet 171
- Indoor unit malfunction of thermistor for discharge air 171
- Malfunction decision conditions 171
- Malfunction detection is carried out by temperature detected by discharge air temperature thermistor 171
- Method of malfunction detection 171
- Refer to thermistor resistance temperature characteristics table on p251 171
- Remote controller display 171
- Supposed causes 171
- Troubleshooting 171
- When the discharge air temperature thermistor becomes disconnected or shorted while the unit is running 171
- Applicable models fxfq 172
- Disconnection 172
- Even if a malfunction occurs operation still continues malfunction is detected according to the moisture output voltage detected by the moisture sensor 172
- Faulty sensor 172
- Indoor unit malfunction of humidity sensor system 172
- Malfunction decision conditions 172
- Method of malfunction detection 172
- Remote controller display 172
- Supposed causes 172
- Troubleshooting 172
- When the moisture sensor is disconnected or short circuited 172
- Indoor unit malfunction of thermostat sensor in remote controller 173
- Outdoor unit pc board defect 174
- Outdoor unit actuation of high pressure switch 175
- 1 make a comparison between the voltage of the pressure sensor 4 and that read by the pressure gauge as to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on p 53 2 make a comparison between the high pressure value checked with the service checker and the voltage of the pressure sensor see 1 3 make measurement of voltage of the pressure sensor 176
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 176
- Sibe34 802 troubleshooting by indication on the remote controller 176
- Troubleshooting 176
- Troubleshooting 165 176
- Outdoor unit actuation of low pressure sensor 177
- 1 make a comparison between the voltage of the pressure sensor 4 and that read by the pressure gauge as to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on p 53 2 make a comparison between the low pressure value checked with the service checker and the voltage of the pressure sensor see 1 3 make measurement of voltage of the pressure sensor 178
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 178
- Sibe34 802 troubleshooting by indication on the remote controller 178
- Troubleshooting 178
- Troubleshooting 167 178
- Applicable models rxysq4 6pa 179
- Compressor lock 179
- Faulty inverter pc board 179
- High differential pressure 0 mpa or more 179
- Incorrect uvw wiring 179
- Inverter compressor motor lock 179
- Inverter pc board takes the position signal from uvw line connected between the inverter and compressor and the malfunction is detected when any abnormality is observed in the phase current waveform 179
- Malfunction decision conditions 179
- Method of malfunction detection 179
- Remote controller display 179
- Stop valve is left in closed 179
- Supposed causes 179
- This malfunction will be output when the inverter compressor motor does not start up even in forced startup mode 179
- Troubleshooting 179
- Applicable models rxysq4 6pa 180
- Clearing condition operate for 5 minutes normal 180
- Fan does not run due to foreign matters tangled 180
- Malfunction decision conditions 180
- Malfunction of fan motor 180
- Malfunction of fan motor system is detected according to the fan speed detected by hall ic when the fan motor runs 180
- Malfunction of outdoor unit fan motor 180
- Method of malfunction detection 180
- Open phase l1 or open phase n 180
- Remote controller display 180
- Supposed causes 180
- The harness connector between fan motor and pc board is left in disconnected or faulty connector 180
- Troubleshooting 180
- When malfunction is generated 4 times the system shuts down 180
- When the fan runs with speed less than a specified one for 6 seconds or more when the fan motor running conditions are met 180
- Outdoor unit malfunction of moving part of electronic expansion valve y1e y3e 181
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 182
- Sibe34 802 troubleshooting by indication on the remote controller 182
- Troubleshooting 182
- Troubleshooting 171 182
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 183
- Applicable models rxysq4 6pa 183
- Faulty connection of discharge pipe temperature sensor 183
- Faulty discharge pipe temperature sensor 183
- Faulty outdoor unit pc board 183
- Malfunction decision conditions 183
- Method of malfunction detection 183
- Outdoor unit abnormal discharge pipe temperature 183
- Refer to thermistor resistance temperature characteristics table on p252 183
- Remote controller display 183
- Supposed causes 183
- Troubleshooting 183
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly 183
- Outdoor unit refrigerant overcharged 184
- Applicable models rxysq4 6pa 185
- Defect of outdoor unit pc board a1p 185
- Defect of thermistor r1t for outdoor air 185
- Malfunction decision conditions 185
- Malfunction is detected from the temperature detected by the outdoor air thermistor 185
- Method of malfunction detection 185
- Outdoor unit malfunction of thermistor r1t for outdoor air 185
- Refer to thermistor resistance temperature characteristics table on p251 185
- Remote controller display 185
- Supposed causes 185
- Troubleshooting 185
- When the outside air temperature thermistor has short circuit or open circuit 185
- Applicable models rxysq4 6pa 186
- Defect of outdoor unit pc board a1p 186
- Defect of thermistor r2t for outdoor unit discharge pipe 186
- Malfunction decision conditions 186
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 186
- Method of malfunction detection 186
- Outdoor unit malfunction of discharge pipe thermistor r2t 186
- Refer to thermistor resistance temperature characteristics table on p252 186
- Remote controller display 186
- Supposed causes 186
- Troubleshooting 186
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 186
- Applicable models rxysq4 6pa 187
- Defect of outdoor unit pc board a1p 187
- Defect of thermistor r3t r5t for outdoor unit suction pipe 187
- Malfunction decision conditions 187
- Malfunction is detected from the temperature detected by the thermistor for suction pipe 1 2 187
- Method of malfunction detection 187
- Outdoor unit malfunction of thermistor r3t r5t for suction pipe 1 2 187
- Refer to thermistor resistance temperature characteristics table on p251 187
- Remote controller display 187
- Supposed causes 187
- Troubleshooting 187
- When a short circuit or an open circuit in the thermistor for suction pipe 1 2 are detected 187
- Applicable models rxysq4 6pa 188
- Defect of outdoor unit pc board a1p 188
- Defect of thermistor r6t for outdoor unit heat exchanger 188
- Malfunction decision conditions 188
- Malfunction is detected from the temperature detected by the heat exchanger thermistor 188
- Method of malfunction detection 188
- Outdoor unit malfunction of thermistor r6t 188
- Refer to thermistor resistance temperature characteristics table on p251 188
- Remote controller display 188
- Supposed causes 188
- Troubleshooting 188
- When a short circuit or an open circuit in the heat exchange thermistor is detected 188
- Applicable models rxysq4 6pa 189
- Defect of outdoor unit pc board a1p 189
- Defect of thermistor r7t for outdoor unit liquid pipe 189
- Malfunction decision conditions 189
- Malfunction is detected from the temperature detected by the liquid pipe thermistor 189
- Method of malfunction detection 189
- Outdoor unit malfunction of thermistor r7t for outdoor unit liquid pipe 189
- Refer to thermistor resistance temperature characteristics table on p251 189
- Remote controller display 189
- Supposed causes 189
- Troubleshooting 189
- When a short circuit or an open circuit in the heat exchange thermistor is detected 189
- Applicable models rxysq4 6pa 190
- Faulty outdoor unit pc board 190
- Faulty subcooling heat exchanger gas pipe thermistor r4t 190
- Malfunction decision conditions 190
- Malfunction is detected according to the temperature detected by subcooling heat exchanger gas pipe thermistor 190
- Method of malfunction detection 190
- Outdoor unit malfunction of thermistor r4t 190
- Refer to thermistor resistance temperature characteristics table on p251 190
- Remote controller display 190
- Supposed causes 190
- Troubleshooting 190
- When the subcooling heat exchanger gas pipe thermistor is short circuited or open 190
- Applicable models rxysq4 6pa 191
- Connection of low pressure sensor with wrong connection 191
- Defect of high pressure sensor 191
- Defect of outdoor unit pc board 191
- Malfunction decision conditions 191
- Malfunction is detected from the pressure detected by the high pressure sensor 191
- Method of malfunction detection 191
- Outdoor unit malfunction of high pressure sensor 191
- Refer to pressure sensor pressure voltage characteristics table on p253 191
- Remote controller display 191
- Supposed causes 191
- Troubleshooting 191
- Voltage measurement point 191
- When the high pressure sensor is short circuit or open circuit 191
- Applicable models rxysq4 6pa 192
- Connection of high pressure sensor with wrong connection 192
- Defect of low pressure sensor 192
- Defect of outdoor unit pc board 192
- Malfunction decision conditions 192
- Malfunction is detected from pressure detected by low pressure sensor 192
- Method of malfunction detection 192
- Outdoor unit malfunction of low pressure sensor 192
- Refer to pressure sensor pressure voltage characteristics table on p253 192
- Remote controller display 192
- Supposed causes 192
- Troubleshooting 192
- Voltage measurement point 192
- When the low pressure sensor is short circuit or open circuit 192
- Outdoor unit malfunction of pc board 193
- Outdoor unit malfunction of inverter radiating fin temperature rise 194
- Applicable models rxysq4 6pa 195
- Compressor start up malfunction mechanical lock 195
- Defect of compressor coil disconnected defective insulation 195
- Defect of inverter pc board a2p 195
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 195
- Malfunction decision conditions 195
- Malfunction is detected from current flowing in the power transistor 195
- Method of malfunction detection 195
- Outdoor unit inverter compressor abnormal 195
- Remote controller display 195
- Supposed causes 195
- Troubleshooting 195
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 195
- Applicable models rxysq4 6pa 196
- Compressor coil disconnected 196
- Compressor overload 196
- Defect of outdoor unit pc board a2p 196
- Malfunction decision conditions 196
- Malfunction is detected by current flowing in the power transistor 196
- Method of malfunction detection 196
- Outdoor unit inverter current abnormal 196
- Remote controller display 196
- Supposed causes 196
- Troubleshooting 196
- When overload in the compressor is detected 196
- Applicable models rxysq4 6pa 197
- Defect of compressor 197
- Defect of outdoor unit pc board a2p 197
- Malfunction decision conditions 197
- Malfunction is detected from current flowing in the power transistor 197
- Method of malfunction detection 197
- Outdoor unit inverter start up error 197
- Pressure differential start 197
- Remote controller display 197
- Supposed causes 197
- Troubleshooting 197
- When overload in the compressor is detected during startup 197
- Applicable models rxysq4 6pa 198
- Check the communication state between inverter pc board and control pc board by micro computer 198
- Defect of outdoor unit pc board a1p 198
- External factor noise etc 198
- Malfunction decision conditions 198
- Malfunction of connection between the inverter microcomputer and outdoor control microcomputer 198
- Method of malfunction detection 198
- Outdoor unit malfunction of transmission between inverter and control pc board 198
- Remote controller display 198
- Supposed causes 198
- Troubleshooting 198
- When the correct communication is not conducted in certain period 198
- Outdoor unit high voltage of capacitor in main inverter circuit 199
- Low pressure drop due to refrigerant shortage or electronic expansion valve failure 200
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 201
- Refer to pressure sensor pressure voltage characteristics table on p253 201
- Refer to thermistor resistance temperature characteristics table on p251 201
- Troubleshooting 201
- Troubleshooting by indication on the remote controller sibe34 802 201
- Voltage measurement point 201
- Power supply insufficient or instantaneous failure 202
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 203
- Check no 203
- Inverter s power transistors check refer to information on p 54 256 203
- Refer to information on p 20 203
- Troubleshooting 203
- Troubleshooting by indication on the remote controller sibe34 802 203
- Check operation not executed 204
- Malfunction of transmission between indoor units and outdoor units 205
- Check no 206
- Refer to information on p 20 206
- Sibe34 802 troubleshooting by indication on the remote controller 206
- Troubleshooting 206
- Troubleshooting 195 206
- Applicable models aii indoor unit models 207
- Connection of two main remote controllers when using 2 remote controllers 207
- Defect of indoor unit pc board 207
- Defect of remote controller pc board 207
- 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 207
- Malfunction decision conditions 207
- Malfunction of indoor unit remote controller transmission 207
- Malfunction of transmission between remote controller and indoor unit 207
- Malfunction of transmission caused by noise 207
- Method of malfunction detection 207
- Normal transmission does not continue for specified period 207
- Remote controller display 207
- Supposed causes 207
- Troubleshooting 207
- Applicable models aii indoor unit models 208
- Connection between sub remote controllers 208
- Defect of remote controller pc board 208
- 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 208
- Malfunction decision conditions 208
- Malfunction of transmission between main and sub remote controller 208
- Malfunction of transmission between main and sub remote controllers 208
- Method of malfunction detection 208
- Normal transmission does not continue for specified period 208
- Remote controller display 208
- Supposed causes 208
- Troubleshooting 208
- Malfunction of transmission between indoor and outdoor units in the same system 209
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 210
- Sibe34 802 troubleshooting by indication on the remote controller 210
- Troubleshooting 210
- Troubleshooting 199 210
- Applicable models aii indoor unit models 211
- Defect of outdoor unit pc board a1p 211
- Excess of connected indoor units 211
- Excessive number of indoor units 211
- Malfunction decision conditions 211
- Method of malfunction detection 211
- Mismatching of the refrigerant type of indoor and outdoor unit 211
- Remote controller display 211
- Setting of outdoor pc board was not conducted after replacing to spare parts pc board 211
- Supposed causes 211
- The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit 211
- Troubleshooting 211
- Address duplication of central remote controller 212
- Malfunction of transmission between central remote controller and indoor unit 213
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 214
- Sibe34 802 troubleshooting by indication on the remote controller 214
- Troubleshooting 214
- Troubleshooting 203 214
- Applicable models all models of indoor units rxysq4 6pa 215
- Defect of indoor unit pc board 215
- Failure to execute check operation 215
- Improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units 215
- Malfunction decision conditions 215
- Method of malfunction detection 215
- Note wiring check 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 215
- 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 215
- Remote controller display 215
- Stop valve is left in closed 215
- Supposed causes 215
- System is not set yet 215
- 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 215
- Troubleshooting 215
- Applicable models aii indoor unit models rxysq4 6pa 216
- Defect of indoor unit pc board 216
- Defect of outdoor unit pc board a1p 216
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor 216
- Malfunction decision conditions 216
- Malfunction of system refrigerant system address undefined 216
- Method of malfunction detection 216
- Remote controller display 216
- Supposed causes 216
- Troubleshooting 216
- Applicable models aii indoor unit models centralized remote controller 217
- Connector for setting master controller is disconnected 217
- Defect of indoor unit pc board 217
- Failure of pc board for central remote controller 217
- Malfunction decision conditions 217
- Malfunction of transmission between centralized remote controller and indoor unit 217
- Malfunction of transmission between optional controllers for centralized control and indoor unit 217
- Method of malfunction detection 217
- Microcomputer checks if transmission between indoor unit and central remote controller is normal 217
- Remote controller display 217
- Supposed causes 217
- Troubleshooting 217
- Troubleshooting by indication on the centralized remote controller 217
- When transmission is not carried out normally for a certain amount of time 217
- Pc board defect 218
- Applicable models centralized remote controller 219
- Defect of pc board of optional controllers for centralized control 219
- Malfunction decision conditions 219
- Malfunction of transmission between optional controllers for centralized control 219
- Method of malfunction detection 219
- Remote controller display 219
- Supposed causes 219
- Troubleshooting 219
- Improper combination of optional controllers for centralized control 220
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 221
- Troubleshooting 221
- Troubleshooting by indication on the centralized remote controller sibe34 802 221
- Address duplication improper setting 222
- Operation lamp blinks 223
- Troubleshooting by indication on the unified on off controller 223
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 224
- Sibe34 802 troubleshooting by indication on the unified on off controller 224
- Troubleshooting 224
- Troubleshooting 213 224
- Display under host computer integrate control blinks repeats single blink 225
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 226
- Sibe34 802 troubleshooting by indication on the unified on off controller 226
- Troubleshooting 226
- Troubleshooting 215 226
- Troubleshooting 227
- Troubleshooting by indication on the unified on off controller sibe34 802 227
- Applicable models unified on off controller 228
- Central control address group no is not set for indoor unit 228
- Display under host computer integrate control blinks repeats double blink 228
- Improper address setting 228
- Improper wiring of transmission wiring 228
- Malfunction decision conditions 228
- Method of malfunction detection 228
- Remote controller display 228
- Sibe34 802 troubleshooting by indication on the unified on off controller 228
- Supposed causes 228
- Troubleshooting 228
- Troubleshooting 217 228
- Under host computer integrated control repeats double blink 228
- Check 1 check for causes of rise in high pressure referring to the fault tree analysis fta shown below probe the faulty points 229
- Troubleshooting 229
- Troubleshooting by indication on the unified on off controller sibe34 802 229
- Check 2 check for causes of drop in low pressure referring to the fault tree analysis fta shown below probe the faulty points 230
- Sibe34 802 troubleshooting by indication on the unified on off controller 230
- Troubleshooting 219 230
- Check 3 check for fan motor connector 1 turn the power supply off 2 with the fan motor connector on motor side disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table 231
- Example of connection 49 5 thermistor resistance temperature characteristics 51 6 pressure sensor 53 7 method of replacing the inverter s power transistors modules 54 232
- Option list 46 232
- Part 8 appendix 232
- Piping diagrams 22 232
- Wiring diagrams 27 232
- Outdoor unit 233
- Piping diagrams 233
- Rxysq4 5 6pa7y1b 233
- Rxysq4 5 6pa7v1b 234
- Electronic expansion valve filter filter 235
- Flare connectio 235
- Flare connection 235
- Fxcq fxfq fxzq fxkq fxsq fxmq fxhq fxaq fxlq fxnq 235
- Gas piping connection port 235
- Heat exchanger 235
- Indoor unit 235
- Liquid piping connection port 235
- Φ 15 or less attached piping above φ 19 235
- Refrigerant pipe connection port diameters 236
- Connection unit 237
- Fxuq bevq 237
- Indoor unit 237
- Outdoor unit 238
- Rxysq4 5 6pa7y1b 238
- Wiring diagrams 238
- Rxysq4 5 6pa7v1b 239
- Field wiring 240
- Rxysq4 5 6pa7y1b 240
- Rxysq4 5 6pa7v1b 241
- Fxcq20m 25m 32m 63mv3 242
- Indoor unit 242
- Fxcq40m 50m 80m 125mv3 243
- Fxfq20p 25p 32p 40p 50p 63p 80p 100p 125p7ve 244
- Fxzq20m 25m 32m 40m 50mv1 245
- Fxkq25ma 32ma 40ma 63mave 246
- Fxdq20p 25p 32p fxdq40na 50na 63nave with drain pump 247
- Fxdq20m8 25m8v3 248
- Fxsq20m 25m 32m 40m 50m 63m8v3 249
- Fxsq80m 100m 125m8v3 250
- Appendix 251
- Capacitor 251
- Connector for wiring 251
- Diode bridge 251
- Electronic expansion valve 251
- F3u f2u 251
- Float switch 251
- Fuse t 3 5a 250v 251
- Fuse t 5a 250v 251
- Fuse t 6 a 250v fuse t 6 a 250v 251
- Fxmq40p 50p 63p 80p 100p 125pve 251
- Indoor unit 251
- Kpr k1r l1r m1f m1p 251
- Magnetic relay 251
- Motor drain pump 251
- Motor fan 251
- Noise filter 251
- Noise filter ferrite core 251
- 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 251
- Power module 251
- Printed circuit board 251
- Printed circuit board capacitor 251
- Printed circuit board fan 251
- R1t ss1 251
- R3 r4 connector optional accessory 251
- R3t r4t 251
- Reactor 251
- Selector switch main sub 251
- Switching power supply a1p a2p resistor current limiting current sensing device 251
- Terminal strip control 251
- Terminal strip power supply 251
- Thermistor air 251
- Thermistor discharge air 251
- Thermistor gas 251
- Thermistor liquid 251
- V2r x1m 251
- Wired remote controller 251
- Wiring diagrams sibe34 802 251
- Fxhq32ma 63ma 100mave 252
- Appendix 253
- Fxaq20ma 25ma 32mave 40ma 50ma 63mave 253
- Wiring diagrams sibe34 802 253
- Fxlq20ma 25ma 32ma 40ma 50ma 63mave fxnq20ma 25ma 32ma 40ma 50ma 63mave 254
- Fxuq71ma 100ma 125mav1 255
- Bevq71ma 100ma 125mave 256
- Appendix 257
- Note 1 installation box for adaptor must be procured on site 2 for residential use only cannot be used with other centralized control equipment 257
- Note 1 installation box is required 2 fixingbox is krp1a90 3 up to 2 adapters can be fixed per installation box 4 only 1 installation box can be installed per indoor unit 257
- Operation control system optional accessories 257
- Option list 257
- Option list of controllers 257
- Option list sibe34 802 257
- System configuration 257
- Various pc boards 257
- Appendix 247 258
- Building management system 258
- Installation box for adaptor must be procured on site 258
- Is a registered trade mark of echelon corporation 258
- Is a registered trademark of american society of heating refrigerating and air conditioning engineers ashrae 258
- Lonwork 258
- Sibe34 802 option list 258
- Appendix 259
- Option list of outdoor unit 259
- Option list sibe34 802 259
- Rxysq4 5 6p 259
- Appendix 249 260
- Example of connection 260
- Indoor unit 260
- Main pipe enlarge first refrigerant branch kit 260
- Sibe34 802 example of connection 260
- Appendix 251 262
- For liquid pipe 262
- For suction pipe 2 r5t for subcooling heat exchanger outle 262
- Indoor unit for air suction r1t for liquid pipe r2t for gas pipe r3t 262
- Outdoor unit for fin thermistor r1t 262
- Outdoor unit for outdoor air r1t for suction pipe 1 r3t for heat exchanger 262
- R4t r6t 262
- R6t r4t 262
- R7t r8t 262
- Sibe34 802 thermistor resistance temperature characteristics 262
- Thermistor resistance temperature characteristics 262
- Appendix 263
- Outdoor unit thermistors for discharge pipe r2t 263
- Thermistor resistance temperature characteristics sibe34 802 263
- Pressure sensor 264
- Method of replacing the inverter s power transistors modules 265
- Appendix 255 266
- Inverter pc board rxysq4 5 6pa7v1b 266
- Sibe34 802 method of replacing the inverter s power transistors modules 266
- Appendix 267
- Method of replacing the inverter s power transistors modules sibe34 802 267
- Power module checking when using the digital type of multiple tester make measurement in diode check mode 267
- The following abnormalities are also doubted besides the pc board abnormality 1 faulty compressor ground fault ground leakage 1 faulty fan motor ground leakage 267
- There needs to be none of each value variation 267
- Part 9 268
- Part 9 precautions for new refrigerant r 410a 268
- Precautions for new refrigerant r 410a 268
- Precautions for new refrigerant r 410a 58 268
- About refrigerant r 410a 269
- 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 269
- Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 269
- Outline 269
- Precautions for new refrigerant r 410a 269
- Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 269
- The design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c 269
- Precautions for new refrigerant r 410a 259 270
- Sibe34 802 precautions for new refrigerant r 410a 270
- Thermodynamic characteristic of r 410a 270
- Refrigerant cylinders 271
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 272
- Copper tube material and thickness 272
- Material 272
- O o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 272
- O o o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 272
- O soft annealed h hard drawn 272
- Pipe size 272
- R 407c 272
- R 410a 272
- 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 272
- Service tools 272
- Thickness t mm 0 0 0 1 1 1 1 1 1 1 1 272
- Tool compatibility 272
- Φ 6 φ 9 φ 12 φ 15 φ 19 φ 22 φ 25 φ 28 φ 31 φ 38 φ 44 272
- 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 273
- Differences 2 change of dimension a 273
- Flaring tool 273
- Specifications 2 dimension a 273
- Unit mm 273
- Drawings flow charts 280
- Printed in japan 07 2008 ak 282
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