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Daikin FXAQ40MAVET [195/264] Ma improper combination of optional controllers for centralized control
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Troubleshooting by Indication on the Centralized Remote Controller SiBE34-703
184 Troubleshooting
4.4 “MA ” Improper Combination of Optional Controllers for
Centralized Control
Remote
Controller
Display
MA
Applicable
Models
Centralized remote controller
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Improper combination of optional controllers for centralized control
More than one master controller is connected
Defect of PC board of optional controller for centralized control
Содержание
- Capacity range 2
- Functional parts layout 8 2
- Introduction vi 2
- List of electrical and functional parts 4 2
- Model names of indoor outdoor units 2 external appearance 2
- Operation mode 0 2 basic control 1 2
- Part 1 general information 2
- Part 2 specifications 2
- Part 3 list of electrical and functional parts 3 2
- Part 4 refrigerant circuit 5 2
- Part 5 function 9 2
- R 410a heat pump 50hz 2
- Refrigerant circuit 6 2
- Special control 5 2
- Specifications 2
- Table of contents 2
- Other control 6 3
- Outdoor unit pc board layout 0 3 field setting 1 3
- Outline of control indoor unit 7 3
- Part 6 test operation 5 3
- Part 7 troubleshooting 03 3
- Protection control 2 3
- Symptom based troubleshooting 05 2 troubleshooting by remote controller 08 3
- Test operation 6 3
- Troubleshooting by indication on the remote controller 22 3
- Example of connection 21 5 thermistor resistance temperature characteristics 23 6 pressure sensor 25 7 method of replacing the inverter s power transistors modules 26 5
- Option list 18 5
- Part 10removal procedure 39 5
- Part 8 appendix 97 5
- Part 9 precautions for new refrigerant r 410a 29 5
- Piping diagrams 98 5
- Precautions for new refrigerant r 410a 30 5
- Rxysq4 5 6 p7y1b 40 5
- Troubleshooting by indication on the centralized remote controller 81 5
- Troubleshooting by indication on the unified on off controller 87 5
- Wiring diagrams 02 5
- Drawings flow charts iii 6
- Index i 6
- Caution in repair 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Cautions regarding products after repair 8
- Warning 8
- Caution 9
- Inspection after repair 9
- Warning 9
- Caution 10
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 10
- Using icons 10
- Using icons list 10
- Preface 11
- 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 mounted built in 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 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 703 17
- Sibe34 703 specifications 18
- Specifications 7 18
- Ceiling mounted cassette type double flow 19
- Indoor units 19
- Specifications 19
- Specifications sibe34 703 19
- Ceiling mounted cassette type double flow 20
- Sibe34 703 specifications 20
- Specifications 9 20
- Ceiling mounted cassette type multi flow 21
- Specifications 21
- Specifications sibe34 703 21
- Ceiling mounted cassette type multi flow 22
- Sibe34 703 specifications 22
- Specifications 11 22
- Specifications 23
- Specifications sibe34 703 23
- 600 ceiling mounted cassette type multi flow 24
- Sibe34 703 specifications 24
- Specifications 13 24
- 600 ceiling mounted cassette type multi flow 25
- Specifications 25
- Specifications sibe34 703 25
- Ceiling mounted cassette corner type 26
- Sibe34 703 specifications 26
- Specifications 15 26
- Slim ceiling mounted duct type with drain pump 27
- Specifications 27
- Specifications sibe34 703 27
- Sibe34 703 specifications 28
- Slim ceiling mounted duct type with drain pump 28
- Specifications 17 28
- Slim ceiling mounted duct type with drain pump 29
- Specifications 29
- Specifications sibe34 703 29
- Ceiling mounted built in type 30
- Sibe34 703 specifications 30
- Specifications 19 30
- Ceiling mounted built in type 31
- Specifications 31
- Specifications sibe34 703 31
- Ceiling mounted built in type 32
- Sibe34 703 specifications 32
- Specifications 21 32
- Ceiling mounted duct type 33
- Specifications 33
- Specifications sibe34 703 33
- Ceiling mounted duct type 34
- Sibe34 703 specifications 34
- Specifications 23 34
- Ceiling suspended type 35
- Specifications 35
- Specifications sibe34 703 35
- Sibe34 703 specifications 36
- Specifications 25 36
- Wall mounted type 36
- Specifications 37
- Specifications sibe34 703 37
- Wall mounted type 37
- Floor standing type 38
- Sibe34 703 specifications 38
- Specifications 27 38
- Floor standing type 39
- Specifications 39
- Specifications sibe34 703 39
- Concealed floor standing type 40
- Sibe34 703 specifications 40
- Specifications 29 40
- Concealed floor standing type 41
- Specifications 41
- Specifications sibe34 703 41
- Ceiling suspended cassette type 42
- Sibe34 703 specifications 42
- Specifications 31 42
- Bev units 43
- Specifications 43
- Specifications sibe34 703 43
- List of electrical and functional parts 4 44
- Outdoor unit 4 44
- Part 3 list of electrical and functional parts 44
- List of electrical and functional parts 45
- Outdoor unit 45
- Functional parts layout 8 46
- Part 4 refrigerant circuit 46
- Refrigerant circuit 6 46
- Refrigerant circuit 47
- Refrigerant circuit sibe34 703 47
- Rxysq4 5 6p 47
- Birds eye view 49
- Functional parts layout 49
- Functional parts layout sibe34 703 49
- Refrigerant circuit 49
- Rxysq4 5 6p 49
- Function 50
- Operation mode 0 2 basic control 1 50
- Other control 6 50
- Outline of control indoor unit 7 50
- Part 5 50
- Part 5 function 50
- Protection control 2 50
- Special control 5 50
- Function 51
- Indoor unit stop or thermostat off 51
- Indoor unit thermostat on 51
- Malfunction standby 51
- 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 51
- Operation mode 51
- Operation mode sibe34 703 51
- Pump down residual operation 51
- Basic control 52
- Cdb or more 52
- Heating operation is not functional at an outdoor air temperature of 2 52
- Normal operation 52
- Compressor pi control 53
- Electronic expansion valve pi control 54
- 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 54
- Of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger 54
- Subcooling electronic expansion valve ev3 control makes pi control of the electronic expansion valve y3e to keep the superheated degree 54
- 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 54
- C it will run in step 1 or higher 55
- C it will run in step 5 or higher when outdoor temperature 55
- C the compressor will run in step 7 or higher when outdoor temperature 55
- Cooling operation fan control 55
- Fan steps 55
- 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 55
- Special control 56
- Startup control 56
- Startup control in cooling operation 56
- Startup control in heating operation 56
- 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 56
- 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 57
- Oil return operation 57
- Oil return operation in cooling operation 57
- 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 57
- Conditions to start the heating oil returning operation is started referring following conditions 58
- 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 58
- Integrated amount of displaced oil 58
- Oil return operation in heating operation 58
- 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 58
- Defrosting operation 59
- 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 59
- Outdoor heat exchanger heat transfer co efficiency 59
- Temperature of heat exchange tb 59
- 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 59
- Timer 2 hours at the minimum in addition outdoor heat exchange co efficiency is derived from tc te and the compressor load 59
- Pump down residual operation 60
- Pump down residual operation in cooling operation 60
- Pump down residual operation in heating operation 60
- 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 60
- Restart is stood by force to prevent frequent power on off and to equalize pressure in the refrigerant system 61
- Restart standby 61
- Operation of the actuator when the system is down is cleared up 62
- Stopping operation 62
- When system is in stop mode 62
- Function 63
- High pressure protection control 63
- In cooling operation 63
- In heating operation 63
- Protection control 63
- Protection control sibe34 703 63
- 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 63
- In cooling operation 64
- In heating operation 64
- Low pressure protection control 64
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 64
- Discharge pipe protection control 65
- Inv compressor 65
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 65
- Fin temp standby 66
- Inv upper limit frequency max hz 66
- 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 66
- Inverter fin temperature control 66
- Inverter overcurrent protection control 66
- Inverter protection control 66
- Limited 66
- Not limited 66
- Tfin 76 c 66
- Tfin 76 c continues for 3 min 66
- Tfin 79 c 66
- Tfin 84 c 66
- When occurring 4 times within 60 min the malfunction code l4 is output 66
- Demand 1 setting 67
- Demand operation 67
- Heating operation is prohibited above 24 cdb outdoor air temperature 67
- Heating operation prohibition 67
- 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 67
- Other control 67
- Other protection control functions have precedence over the above operation 67
- Drain pump control 68
- Outline of control indoor unit 68
- Louver control for preventing ceiling dirt 70
- Thermostat sensor in remote controller 71
- Freeze prevention 73
- Swing flaps work as following 74
- View of operations of swing flaps 74
- Electronic expansion valve control 75
- Hot start control in heating operation only 75
- Outdoor unit pc board layout 0 3 field setting 1 76
- Part 6 test operation 76
- Test operation 6 76
- Check work prior to turn power supply on 77
- Follow the following procedure to conduct the initial test operation after installation 77
- Procedure and outline 77
- Test operation 77
- Turn power on 77
- Check on operation 78
- Check operation 78
- Check the indoor unit remote controller for abnormal display and correct it 78
- 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 78
- Malfunction code in case of an alarm code displayed on remote controller 78
- On completion of test operation led on outdoor unit pc board displays the following h3p on normal completion h2p and h3p on abnormal completion 78
- Press and hold the test operation button bs4 on outdoor unit pc board for 5 seconds 78
- The test operation is started automatically the following judgements are conducted within 15 minutes about 30 minutes at the maximum 2 check for wrong wiring 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 under centralized control on upper right indicates test operation on lower left 78
- Confirmation on normal operation 79
- 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 80
- Operation when power is turned on 80
- 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 80
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 80
- When an indoor unit or outdoor unit has been added or indoor or outdoor unit pc board has been changed 80
- When turning on power first time 80
- When turning on power the second time and subsequent 80
- Outdoor unit pc board 81
- Outdoor unit pc board layout 81
- Field setting 82
- Field setting from remote controller 82
- Wireless remote controller indoor unit 83
- Simplified remote controller 84
- Field setting sibe34 703 85
- 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 85
- Setting contents and code no vrv indoor unit 85
- Test operation 85
- Applicable range of field setting 86
- Sibe34 703 field setting 86
- Static pressure selection 86
- Test operation 75 86
- Detailed explanation of setting modes 87
- 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 87
- 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 87
- Filter sign setting 87
- If switching the filter sign on time set as given in the table below set time 87
- Setting table 87
- Since there is concern about draft if using fan speed up when thermostat is off you should take the setup location into consideration 87
- Ultra long life filter sign setting when a ultra long life filter is installed the filter sign timer setting must be changed 87
- 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 88
- Auto restart after power failure reset 88
- 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 88
- 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 88
- 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 88
- In the case of fxaq fxhq 88
- In the case of fxfq100 125 88
- In the case of fxfq25 80 88
- In the case of fxuq71 125 88
- 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 89
- Setting of air flow direction adjustment 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 89
- Setting table 89
- 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 90
- Setting of air flow direction adjustment range make the following air flow direction setting according to the respective purpose 90
- Setting of the static pressure selection for fxdq model 90
- Setting table 90
- Centralized control group no setting 91
- Brc7c type brc7e type brc4c type 92
- 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 92
- 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 92
- Group no setting example 92
- Sibe34 703 field setting 92
- Test operation 81 92
- Contents of control modes 93
- Setting of operation control mode from remote controller local setting 93
- Do not select timer operation possible by remote controller if not using a remote controller operation by timer is impossible in this case 94
- Factory setting 94
- 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 94
- Cool heat selector connection procedure 95
- Field setting from outdoor unit 95
- Setting by dip switches 95
- Capacity setting after changing the main p c board a1p to spare parts p c b when you change the main p c board a1p to spare parts p c b please carry out the following setting 96
- Caution 96
- Sibe34 703 field setting 96
- Test operation 85 96
- 7 8 7 7 7 7 97
- Factory setting 97
- Field setting sibe34 703 97
- H1p h2p h3p h4p h5p h6p h7p 97
- Led indication 97
- Mode changing procedure 97
- Monitor mode h1p blinks used to check the program made in setting mode 2 97
- Setting by pushbutton switches the following settings are made by pushbutton switches on pc board 97
- Setting mode 1 h1p off initial status when normal also indicates during abnormal 97
- Setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system 97
- Test operation 97
- There are the following three setting modes 97
- 7 8 7 7 7 7 98
- A setting mode 1 98
- Procedure for changing cool heat selection setting 98
- Sibe34 703 field setting 98
- Test operation 87 98
- 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 98
- B setting mode 2 99
- The numbers in the no column represent the number of times to press the set bs2 button 99
- 7 7 7 7 7 102
- 7 7 7 7 8 102
- 7 7 7 7 9 102
- 7 7 7 8 7 102
- 7 7 7 8 8 102
- 7 7 7 9 7 102
- 7 7 8 7 7 102
- 7 7 8 7 8 102
- 7 7 8 8 8 102
- 7 7 9 7 7 102
- 7 8 7 7 7 102
- 7 8 7 8 8 102
- 7 8 8 7 7 102
- 7 8 8 7 8 102
- 7 8 8 8 7 102
- 7 8 8 8 8 102
- 8 7 7 7 7 102
- 8 7 8 7 7 102
- 8 7 8 7 8 102
- 8 7 8 8 7 102
- 8 8 7 7 8 102
- Abnormal 102
- C monitor mode 102
- Defrost select setting short 102
- Emg operation backup operation setting 102
- Setting item 0 display contents of various setting 102
- Sibe34 703 field setting 102
- Tc setting h 102
- Te setting h 102
- Test operation 91 102
- The numbers in the no column represent the number of times to press the set bs2 button 102
- Cool heat mode switching 104
- For the details refer to the installation manual supplied together with the indoor unit 104
- In the case of wired remote controllers 104
- In the case of wireless remote controllers 104
- It does not matter whether or not there is outdoor outdoor unit wiring 104
- Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote controller 104
- Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller 104
- Set cool heat separately for each outdoor unit system by cool heat switching remote controller 104
- Set cool heat separately for each outdoor unit system by indoor unit remote controller 104
- Set cool heat switching to ind individual for setting mode 1 factory set 104
- Set outdoor unit pc board ds1 1 to in factory set 104
- There are the following 4 cool heat switching modes 104
- It does not matter whether or not there is outdoor outdoor unit wiring 105
- Set cool heat separately for each outdoor unit system by cool heat switching remote controller 105
- Set cool heat switching to ind individual for setting mode 1 factory set 105
- Set outdoor unit pc board ds1 1 to out factory set 105
- 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 mode 3 the compressor operates at approx 80 or less of rating 107
- Field setting sibe34 703 107
- Image of operation 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
- Setting of refrigerant additional charging operation 110
- Setting of refrigerant recovery mode 111
- 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 and turn on some solenoid valves 112
- 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 112
- Operating procedure 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 or discharge pipe thermistor and judgment of piping length refrigerant overcharging and learning for the minimum opening degree of electronic expansion valve 112
- Use the vacuum pump to perform vacuuming operation 112
- Part 7 troubleshooting 114
- Symptom based troubleshooting 05 2 troubleshooting by remote controller 08 114
- Troubleshooting by indication on the remote controller 22 114
- Troubleshooting by indication on the centralized remote controller 81 115
- Troubleshooting by indication on the unified on off controller 87 115
- Symptom based troubleshooting 116
- Inspection mode 119
- Local setting mode service mode 119
- Normal mode 119
- Test operation mode 119
- The following modes can be selected by using the inspection test operation button on the remote control 119
- The inspection test button 119
- Troubleshooting by remote controller 119
- Self diagnosis by wired remote controller 120
- Self diagnosis by wireless remote controller 121
- The lower digit of the code changes as shown below when the up and down buttons are pressed 122
- Operation of the remote controller s inspection test operation button 123
- Troubleshooting 123
- Troubleshooting by remote controller sibe34 703 123
- Remote controller service mode 124
- Remote controller self diagnosis function 126
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 128
- Detail description on next page 129
- Malfunction code indication by outdoor unit pc board 129
- Push the mode bs1 button and returns to setting mode 1 129
- Push the return bs3 button and switches to the initial status of monitor mode 129
- Push the return bs3 button once to display first digit of malfunction code 129
- Push the set bs2 button and set the led display to a setting item 129
- Push the set bs2 button once to display malfunction location 129
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 129
- Push the set bs2 button once to display second digit of malfunction code 129
- To enter the monitor mode push the mode bs1 button when in setting mode 1 129
- Troubleshooting 129
- Troubleshooting by remote controller sibe34 703 129
- Sibe34 703 troubleshooting by remote controller 130
- Troubleshooting 119 130
- Detail description on next page 131
- Push the mode bs1 button and returns to setting mode 1 131
- Push the return bs3 button and switches to the initial status of monitor mode 131
- Push the return bs3 button once to display first digit of malfunction code 131
- Push the set bs2 button and set the led display to a setting item 131
- Push the set bs2 button once to display malfunction location 131
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 131
- Push the set bs2 button once to display second digit of malfunction code 131
- To enter the monitor mode push the mode bs1 button when in setting mode 1 131
- Troubleshooting 131
- Troubleshooting by remote controller sibe34 703 131
- Sibe34 703 troubleshooting by remote controller 132
- Troubleshooting 121 132
- A0 indoor unit error of external protection device 133
- Actuation of external protection device 133
- Applicable models all indoor unit models 133
- Defect of indoor unit pc board 133
- Improper field set 133
- Malfunction decision conditions 133
- Method of malfunction detection 133
- Remote controller display 133
- Supposed causes 133
- Troubleshooting 133
- Troubleshooting by indication on the remote controller 133
- A1 indoor unit pc board defect 134
- A3 indoor unit malfunction of drain level control system s1l 135
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 136
- Sibe34 703 troubleshooting by indication on the remote controller 136
- Troubleshooting 136
- Troubleshooting 125 136
- A6 indoor unit fan motor m1f lock overload 137
- Applicable models all indoor unit models 137
- Detection by failure of signal for detecting number of turns to come from the fan motor 137
- Disconnected or faulty wiring between fan motor and pc board 137
- Fan motor lock 137
- Malfunction decision conditions 137
- Method of malfunction detection 137
- Remote controller display 137
- Supposed causes 137
- Troubleshooting 137
- Troubleshooting by indication on the remote controller sibe34 703 137
- When number of turns can t be detected even when output voltage to the fan is maximum 137
- A7 indoor unit malfunction of swing flap motor m1s 138
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 139
- Troubleshooting 139
- Troubleshooting by indication on the remote controller sibe34 703 139
- A9 indoor unit malfunction of moving part of electronic expansion valve y1e 140
- Applicable models all indoor unit models 140
- Defect of connecting cable 140
- Defect of indoor unit pc board 140
- Malfunction decision conditions 140
- Malfunction of moving part of electronic expansion valve 140
- Method of malfunction detection 140
- Remote controller display 140
- Sibe34 703 troubleshooting by indication on the remote controller 140
- Supposed causes 140
- Troubleshooting 140
- Troubleshooting 129 140
- 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 141
- Continuity no continuity 141
- Normal 141
- Af indoor unit drain level above limit 142
- Aj indoor unit malfunction of capacity determination device 143
- Applicable models all indoor unit models 144
- C4 indoor unit malfunction of thermistor r2t for heat exchanger 144
- Defect of indoor unit pc board 144
- Defect of thermistor r2t for liquid pipe 144
- Malfunction decision conditions 144
- Malfunction detection is carried out by temperature detected by heat exchanger thermistor 144
- Method of malfunction detection 144
- Refer to thermistor resistance temperature characteristics table on p223 144
- Remote controller display 144
- Sibe34 703 troubleshooting by indication on the remote controller 144
- Supposed causes 144
- Troubleshooting 144
- Troubleshooting 133 144
- When the heat exchanger thermistor becomes disconnected or shorted while the unit is running 144
- Applicable models all indoor unit models 145
- C5 indoor unit malfunction of thermistor r3t for gas pipes 145
- Defect of indoor unit pc board 145
- Defect of indoor unit thermistor r3t for gas pipe 145
- Malfunction decision conditions 145
- Malfunction detection is carried out by temperature detected by gas pipe thermistor 145
- Method of malfunction detection 145
- Refer to thermistor resistance temperature characteristics table on p223 145
- Remote controller display 145
- Supposed causes 145
- Troubleshooting 145
- Troubleshooting by indication on the remote controller sibe34 703 145
- When the gas pipe thermistor becomes disconnected or shorted while the unit is running 145
- Applicable models aii indoor unit models 146
- C9 indoor unit malfunction of thermistor r1t for suction air 146
- Defect of indoor unit pc board 146
- Defect of indoor unit thermistor r1t for air inlet 146
- Malfunction decision conditions 146
- Malfunction detection is carried out by temperature detected by suction air temperature thermistor 146
- Method of malfunction detection 146
- Refer to thermistor resistance temperature characteristics table on p223 146
- Remote controller display 146
- Sibe34 703 troubleshooting by indication on the remote controller 146
- Supposed causes 146
- Troubleshooting 146
- Troubleshooting 135 146
- When the suction air temperature thermistor becomes disconnected or shorted while the unit is running 146
- Applicable models aii indoor unit models 147
- Ca indoor unit malfunction of thermistor for discharge air 147
- Defect of indoor unit pc board 147
- Defect of indoor unit thermistor for air outlet 147
- Malfunction decision conditions 147
- Malfunction detection is carried out by temperature detected by discharge air temperature thermistor 147
- Method of malfunction detection 147
- Refer to thermistor resistance temperature characteristics table on p223 147
- Remote controller display 147
- Supposed causes 147
- Troubleshooting 147
- Troubleshooting by indication on the remote controller sibe34 703 147
- When the discharge air temperature thermistor becomes disconnected or shorted while the unit is running 147
- Cj indoor unit malfunction of thermostat sensor in remote controller 148
- E1 outdoor unit pc board defect 149
- E3 outdoor unit actuation of high pressure switch 150
- 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 25 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 151
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 151
- Troubleshooting 151
- Troubleshooting by indication on the remote controller sibe34 703 151
- E4 outdoor unit actuation of low pressure sensor 152
- 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 25 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 153
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 153
- Troubleshooting 153
- Troubleshooting by indication on the remote controller sibe34 703 153
- Applicable models rxysq4 6p 154
- Compressor lock 154
- E5 inverter compressor motor lock 154
- Faulty inverter pc board 154
- High differential pressure 0 mpa or more 154
- Incorrect uvw wiring 154
- 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 154
- Malfunction decision conditions 154
- Method of malfunction detection 154
- Remote controller display 154
- Sibe34 703 troubleshooting by indication on the remote controller 154
- Stop valve is left in closed 154
- Supposed causes 154
- This malfunction will be output when the inverter compressor motor does not start up even in forced startup mode 154
- Troubleshooting 154
- Troubleshooting 143 154
- Applicable models rxysq4 6p 155
- Clearing condition operate for 5 minutes normal 155
- E7 malfunction of outdoor unit fan motor 155
- Fan does not run due to foreign matters tangled 155
- Malfunction decision conditions 155
- Malfunction of fan motor 155
- Malfunction of fan motor system is detected according to the fan speed detected by hall ic when the fan motor runs 155
- Method of malfunction detection 155
- Open phase l1 or open phase n 155
- Remote controller display 155
- Supposed causes 155
- The harness connector between fan motor and pc board is left in disconnected or faulty connector 155
- Troubleshooting 155
- Troubleshooting by indication on the remote controller sibe34 703 155
- When malfunction is generated 4 times the system shuts down 155
- When the fan runs with speed less than a specified one for 6 seconds or more when the fan motor running conditions are met 155
- E9 outdoor unit malfunction of moving part of electronic expansion valve y1e y3e 156
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 157
- Troubleshooting 157
- Troubleshooting by indication on the remote controller sibe34 703 157
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 158
- Applicable models rxysq4 6p 158
- F3 outdoor unit abnormal discharge pipe temperature 158
- Faulty connection of discharge pipe temperature sensor 158
- Faulty discharge pipe temperature sensor 158
- Faulty outdoor unit pc board 158
- Malfunction decision conditions 158
- Method of malfunction detection 158
- Refer to thermistor resistance temperature characteristics table on p223 158
- Remote controller display 158
- Sibe34 703 troubleshooting by indication on the remote controller 158
- Supposed causes 158
- Troubleshooting 158
- Troubleshooting 147 158
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly 158
- F6 outdoor unit refrigerant overcharged 159
- Applicable models rxysq4 6p 160
- Defect of outdoor unit pc board a1p 160
- Defect of thermistor r1t for outdoor air 160
- H9 outdoor unit malfunction of thermistor r1t for outdoor air 160
- Malfunction decision conditions 160
- Malfunction is detected from the temperature detected by the outdoor air thermistor 160
- Method of malfunction detection 160
- Refer to thermistor resistance temperature characteristics table on p223 160
- Remote controller display 160
- Sibe34 703 troubleshooting by indication on the remote controller 160
- Supposed causes 160
- Troubleshooting 160
- Troubleshooting 149 160
- When the outside air temperature thermistor has short circuit or open circuit 160
- Applicable models rxysq4 6p 161
- Defect of outdoor unit pc board a1p 161
- Defect of thermistor r2t for outdoor unit discharge pipe 161
- J3 outdoor unit malfunction of discharge pipe thermistor r2t 161
- Malfunction decision conditions 161
- Malfunction is detected from the temperature detected by discharge pipe temperature thermistor 161
- Method of malfunction detection 161
- Refer to thermistor resistance temperature characteristics table on p224 161
- Remote controller display 161
- Supposed causes 161
- Troubleshooting 161
- Troubleshooting by indication on the remote controller sibe34 703 161
- When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected 161
- Applicable models rxysq4 6p 162
- Defect of outdoor unit pc board a1p 162
- Defect of thermistor r3t r5t for outdoor unit suction pipe 162
- J5 outdoor unit malfunction of thermistor r3t r5t for suction pipe 1 2 162
- Malfunction decision conditions 162
- Malfunction is detected from the temperature detected by the thermistor for suction pipe 1 2 162
- Method of malfunction detection 162
- Refer to thermistor resistance temperature characteristics table on p223 162
- Remote controller display 162
- Sibe34 703 troubleshooting by indication on the remote controller 162
- Supposed causes 162
- Troubleshooting 162
- Troubleshooting 151 162
- When a short circuit or an open circuit in the thermistor for suction pipe 1 2 are detected 162
- Applicable models rxysq4 6p 163
- Defect of outdoor unit pc board a1p 163
- Defect of thermistor r6t for outdoor unit heat exchanger 163
- J6 outdoor unit malfunction of thermistor r6t for outdoor unit heat exchanger 163
- Malfunction decision conditions 163
- Malfunction is detected from the temperature detected by the heat exchanger thermistor 163
- Method of malfunction detection 163
- Refer to thermistor resistance temperature characteristics table on p223 163
- Remote controller display 163
- Supposed causes 163
- Troubleshooting 163
- Troubleshooting by indication on the remote controller sibe34 703 163
- When a short circuit or an open circuit in the heat exchange thermistor is detected 163
- Applicable models rxysq4 6p 164
- Defect of outdoor unit pc board a1p 164
- Defect of thermistor r7t for outdoor unit liquid pipe 164
- J7 outdoor unit malfunction of thermistor r7t for outdoor unit liquid pipe 164
- Malfunction decision conditions 164
- Malfunction is detected from the temperature detected by the liquid pipe thermistor 164
- Method of malfunction detection 164
- Refer to thermistor resistance temperature characteristics table on p223 164
- Remote controller display 164
- Sibe34 703 troubleshooting by indication on the remote controller 164
- Supposed causes 164
- Troubleshooting 164
- Troubleshooting 153 164
- When a short circuit or an open circuit in the heat exchange thermistor is detected 164
- Applicable models rxysq4 6p 165
- Faulty outdoor unit pc board 165
- Faulty subcooling heat exchanger gas pipe thermistor r4t 165
- J9 outdoor unit malfunction of subcooling heat exchanger gas pipe thermistor r4t 165
- Malfunction decision conditions 165
- Malfunction is detected according to the temperature detected by subcooling heat exchanger gas pipe thermistor 165
- Method of malfunction detection 165
- Refer to thermistor resistance temperature characteristics table on p223 165
- Remote controller display 165
- Supposed causes 165
- Troubleshooting 165
- Troubleshooting by indication on the remote controller sibe34 703 165
- When the subcooling heat exchanger gas pipe thermistor is short circuited or open 165
- Applicable models rxysq4 6p 166
- Connection of low pressure sensor with wrong connection 166
- Defect of high pressure sensor 166
- Defect of outdoor unit pc board 166
- Ja outdoor unit malfunction of high pressure sensor 166
- Malfunction decision conditions 166
- Malfunction is detected from the pressure detected by the high pressure sensor 166
- Method of malfunction detection 166
- Refer to pressure sensor pressure voltage characteristics table on p225 166
- Remote controller display 166
- Sibe34 703 troubleshooting by indication on the remote controller 166
- Supposed causes 166
- Troubleshooting 166
- Troubleshooting 155 166
- Voltage measurement point 166
- When the high pressure sensor is short circuit or open circuit 166
- Applicable models rxysq4 6p 167
- Connection of high pressure sensor with wrong connection 167
- Defect of low pressure sensor 167
- Defect of outdoor unit pc board 167
- Jc outdoor unit malfunction of low pressure sensor 167
- Malfunction decision conditions 167
- Malfunction is detected from pressure detected by low pressure sensor 167
- Method of malfunction detection 167
- Refer to pressure sensor pressure voltage characteristics table on p225 167
- Remote controller display 167
- Supposed causes 167
- Troubleshooting 167
- Troubleshooting by indication on the remote controller sibe34 703 167
- Voltage measurement point 167
- When the low pressure sensor is short circuit or open circuit 167
- L1 outdoor unit malfunction of pc board 168
- L4 outdoor unit malfunction of inverter radiating fin temperature rise 169
- Applicable models rxysq4 6p 170
- Compressor start up malfunction mechanical lock 170
- Defect of compressor coil disconnected defective insulation 170
- Defect of inverter pc board a2p 170
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 170
- L5 outdoor unit inverter compressor abnormal 170
- Malfunction decision conditions 170
- Malfunction is detected from current flowing in the power transistor 170
- Method of malfunction detection 170
- Remote controller display 170
- Sibe34 703 troubleshooting by indication on the remote controller 170
- Supposed causes 170
- Troubleshooting 170
- Troubleshooting 159 170
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 170
- Applicable models rxysq4 6p 171
- Compressor coil disconnected 171
- Compressor overload 171
- Defect of outdoor unit pc board a2p 171
- L8 outdoor unit inverter current abnormal 171
- Malfunction decision conditions 171
- Malfunction is detected by current flowing in the power transistor 171
- Method of malfunction detection 171
- Remote controller display 171
- Supposed causes 171
- Troubleshooting 171
- Troubleshooting by indication on the remote controller sibe34 703 171
- When overload in the compressor is detected 171
- Applicable models rxysq4 6p 172
- Defect of compressor 172
- Defect of outdoor unit pc board a2p 172
- L9 outdoor unit inverter start up error 172
- Malfunction decision conditions 172
- Malfunction is detected from current flowing in the power transistor 172
- Method of malfunction detection 172
- Pressure differential start 172
- Remote controller display 172
- Sibe34 703 troubleshooting by indication on the remote controller 172
- Supposed causes 172
- Troubleshooting 172
- Troubleshooting 161 172
- When overload in the compressor is detected during startup 172
- Applicable models rxysq4 6p 173
- Check the communication state between inverter pc board and control pc board by micro computer 173
- Defect of outdoor unit pc board a1p 173
- External factor noise etc 173
- Lc outdoor unit malfunction of transmission between inverter and control pc board 173
- Malfunction decision conditions 173
- Malfunction of connection between the inverter microcomputer and outdoor control microcomputer 173
- Method of malfunction detection 173
- Remote controller display 173
- Supposed causes 173
- Troubleshooting 173
- Troubleshooting by indication on the remote controller sibe34 703 173
- When the correct communication is not conducted in certain period 173
- P1 outdoor unit high voltage of capacitor in main inverter circuit 174
- Uo outdoor unit low pressure drop due to refrigerant shortage or electronic expansion valve failure 175
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 176
- Refer to pressure sensor pressure voltage characteristics table on p225 176
- Refer to thermistor resistance temperature characteristics table on p223 176
- Sibe34 703 troubleshooting by indication on the remote controller 176
- Troubleshooting 176
- Troubleshooting 165 176
- Voltage measurement point 176
- U2 power supply insufficient or instantaneous failure 177
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 178
- Check no 178
- Inverter s power transistors check refer to information on p 26 227 178
- Refer to information on p 95 178
- Sibe34 703 troubleshooting by indication on the remote controller 178
- Troubleshooting 178
- Troubleshooting 167 178
- U3 check operation not executed 179
- U4 malfunction of transmission between indoor units and outdoor units 180
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 181
- Check no 181
- Refer to information on p 95 181
- Troubleshooting 181
- Troubleshooting by indication on the remote controller sibe34 703 181
- Applicable models aii indoor unit models 182
- Connection of two main remote controllers when using 2 remote controllers 182
- Defect of indoor unit pc board 182
- Defect of remote controller pc board 182
- 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 182
- Malfunction decision conditions 182
- Malfunction of indoor unit remote controller transmission 182
- Malfunction of transmission caused by noise 182
- Method of malfunction detection 182
- Normal transmission does not continue for specified period 182
- Remote controller display 182
- Sibe34 703 troubleshooting by indication on the remote controller 182
- Supposed causes 182
- Troubleshooting 182
- Troubleshooting 171 182
- U5 malfunction of transmission between remote controller and indoor unit 182
- Applicable models aii indoor unit models 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
- Method of malfunction detection 183
- Normal transmission does not continue for specified period 183
- Remote controller display 183
- Supposed causes 183
- Troubleshooting 183
- Troubleshooting by indication on the remote controller sibe34 703 183
- U8 malfunction of transmission between main and sub remote controllers 183
- U9 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 sibe34 703 185
- Applicable models aii indoor unit models 186
- Defect of outdoor unit pc board a1p 186
- Excess of connected 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
- Sibe34 703 troubleshooting by indication on the remote controller 186
- Supposed causes 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
- Troubleshooting 175 186
- Ua excessive number of indoor units 186
- Uc address duplication of central remote controller 187
- Ue malfunction of transmission between central 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 sibe34 703 189
- Applicable models all models of indoor units rxysq4 6p 190
- Defect of indoor unit pc board 190
- Failure to execute check operation 190
- Improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units 190
- Malfunction decision conditions 190
- Method of malfunction detection 190
- 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 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
- Remote controller display 190
- Sibe34 703 troubleshooting by indication on the remote controller 190
- Stop valve is left in closed 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
- Troubleshooting 179 190
- Uf system is not set yet 190
- Applicable models aii indoor unit models rxysq4 6p 191
- Defect of indoor unit pc board 191
- Defect of outdoor unit pc board a1p 191
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adaptor 191
- Malfunction decision conditions 191
- Method of malfunction detection 191
- Remote controller display 191
- Supposed causes 191
- Troubleshooting 191
- Troubleshooting by indication on the remote controller sibe34 703 191
- Uh malfunction of system refrigerant system address undefined 191
- Applicable models aii indoor unit models centralized remote controller 192
- Connector for setting master controller is disconnected 192
- Defect of indoor unit pc board 192
- Failure of pc board for central remote controller 192
- Malfunction decision conditions 192
- Malfunction of transmission between optional controllers for centralized control and indoor unit 192
- Method of malfunction detection 192
- Microcomputer checks if transmission between indoor unit and central remote controller is normal 192
- Remote controller display 192
- Supposed causes 192
- Troubleshooting 192
- Troubleshooting by indication on the centralized remote controller 192
- Ue malfunction of transmission between centralized remote controller and indoor unit 192
- When transmission is not carried out normally for a certain amount of time 192
- M1 pc board defect 193
- Applicable models centralized remote controller 194
- Defect of pc board of optional controllers for centralized control 194
- M8 malfunction of transmission between optional controllers for centralized control 194
- Malfunction decision conditions 194
- Malfunction of transmission between optional controllers for centralized control 194
- Method of malfunction detection 194
- Remote controller display 194
- Sibe34 703 troubleshooting by indication on the centralized remote controller 194
- Supposed causes 194
- Troubleshooting 194
- Troubleshooting 183 194
- Ma improper combination of optional controllers for centralized control 195
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 196
- Sibe34 703 troubleshooting by indication on the centralized remote controller 196
- Troubleshooting 196
- Troubleshooting 185 196
- Mc address duplication improper setting 197
- Operation lamp blinks 198
- Troubleshooting by indication on the unified on off controller 198
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 199
- Troubleshooting 199
- Troubleshooting by indication on the unified on off controller sibe34 703 199
- Display under host computer integrate control blinks repeats single blink 200
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 201
- Troubleshooting 201
- Troubleshooting by indication on the unified on off controller sibe34 703 201
- Sibe34 703 troubleshooting by indication on the unified on off controller 202
- Troubleshooting 191 202
- Applicable models unified on off controller 203
- Central control address group no is not set for indoor unit 203
- Display under host computer integrate control blinks repeats double blink 203
- Improper address setting 203
- Improper wiring of transmission wiring 203
- Malfunction decision conditions 203
- Method of malfunction detection 203
- Remote controller display 203
- Supposed causes 203
- Troubleshooting 203
- Troubleshooting by indication on the unified on off controller sibe34 703 203
- Under host computer integrated control repeats double blink 203
- Check 1 check for causes of rise in high pressure referring to the fault tree analysis fta shown below probe the faulty points 204
- Sibe34 703 troubleshooting by indication on the unified on off controller 204
- Troubleshooting 193 204
- Check 2 check for causes of drop in low pressure referring to the fault tree analysis fta shown below probe the faulty points 205
- Troubleshooting 205
- Troubleshooting by indication on the unified on off controller sibe34 703 205
- 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 206
- Example of connection 21 5 thermistor resistance temperature characteristics 23 6 pressure sensor 25 7 method of replacing the inverter s power transistors modules 26 208
- Option list 18 208
- Part 8 appendix 208
- Piping diagrams 98 208
- Wiring diagrams 02 208
- Outdoor unit 209
- Piping diagrams 209
- Rxysq4 5 6p7y1b 209
- Electronic expansion valve filter filter 210
- Flare connectio 210
- Flare connection 210
- Fxcq fxfq fxzq fxkq fxsq fxmq fxhq fxaq fxlq fxnq 210
- Gas piping connection port 210
- Heat exchanger 210
- Indoor unit 210
- Liquid piping connection port 210
- Φ 15 or less attached piping above φ 19 210
- Refrigerant pipe connection port diameters 211
- Connection unit 212
- Fxuq bevq 212
- Indoor unit 212
- Outdoor unit 213
- Rxysq4 5 6p7y1b 213
- Wiring diagrams 213
- Field wiring 214
- Rxysq4 5 6p7y1b 214
- Fxcq20 25 32 63m8 215
- Indoor unit 215
- Fxcq40 50 80 125m8v3 216
- Fxfq25 32 40 50 63 80 100 125p7ve 217
- Fxzq20 25 32 40 50m8v1 218
- Fxkq25ma 32ma 40ma 63mave 219
- Fxdq20p 25p 32p fxdq20na 25na 32na 40na 50na 63nave with drain pump 220
- Fxdq20 25m8v3 221
- Fxsq20 25 32 40 50 63 80 100 125m8v3 222
- Fxmq40ma 50ma 63ma 80ma 100ma 125mave 223
- Fxhq32ma 63ma 100mave 224
- Fxaq20ma 25ma 32mave 40ma 50ma 63mave 225
- Fxlq20ma 25ma 32ma 40ma 50ma 63mave fxnq20ma 25ma 32ma 40ma 50ma 63mave 226
- Fxuq71ma 100ma 125mav1 227
- Bevq71ma 100ma 125mave 228
- 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 up to 2 installation boxes can be installed for each indoor unit 5 installation box no 8 is necessary for second adaptor 6 installation box no 8 is necessary for each adaptor 7 this adaptor is required when connecting with optional controller for centralized control 8 brc2a51 is also available various pc boards 229
- Adaptor must be procured on site 229
- Appendix 229
- Note 1 installation box no is necessary for each adaptor marked 229
- Note installation box for 229
- Operation control system optional accessories 229
- Option list 229
- Option list of controllers 229
- Option list sibe34 703 229
- System configuration 229
- Appendix 219 230
- Building management system 230
- Intelligent manager iii 230
- Is a registered trade mark of echelon corporation 230
- Is a registered trademark of american society of heating refrigerating and air conditioning engineers ashrae 230
- Please refer to option handbook etc for detail 230
- Ppd does not support connection unit series 230
- Sibe34 703 option list 230
- Appendix 231
- Option list of outdoor unit 231
- Option list sibe34 703 231
- Rxysq4 5 6p 231
- Branch with refnet header 232
- Branch with refnet joint 232
- Branch with refnet joint and refnet header 232
- Connection of 8 indoor units heat pump system 232
- Example of connection 232
- Appendix 223 234
- Indoor unit for air suction r1t for liquid pipe r2t for gas pipe r3t 234
- Outdoor unit for fin thermistor r1t 234
- Outdoor unit for outdoor air r1t for suction pipe 1 r3t for heat exchanger r4t for suction pipe 2 r5t for subcooling heat exchanger outlet r6t for liquid pipe r7t 234
- Sibe34 703 thermistor resistance temperature characteristics 234
- Thermistor resistance temperature characteristics 234
- Appendix 235
- Outdoor unit thermistors for discharge pipe r2t 235
- Thermistor resistance temperature characteristics sibe34 703 235
- Pressure sensor 236
- Method of replacing the inverter s power transistors modules 237
- Appendix 227 238
- Power module checking when using the digital type of multiple tester make measurement in diode check mode 238
- Sibe34 703 method of replacing the inverter s power transistors modules 238
- The following abnormalities are also doubted besides the pc board abnormality 1 faulty compressor ground fault ground leakage 1 faulty fan motor ground leakage 238
- There needs to be none of each value variation 238
- Part 9 240
- Part 9 precautions for new refrigerant r 410a 240
- Precautions for new refrigerant r 410a 240
- Precautions for new refrigerant r 410a 30 240
- About refrigerant r 410a 241
- 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 241
- Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 241
- Outline 241
- Precautions for new refrigerant r 410a 241
- Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 241
- The design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c 241
- Precautions for new refrigerant r 410a 231 242
- Sibe34 703 precautions for new refrigerant r 410a 242
- Thermodynamic characteristic of r 410a 242
- Refrigerant cylinders 243
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 244
- Copper tube material and thickness 244
- Material 244
- O o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 244
- O o o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 244
- O soft annealed h hard drawn 244
- Pipe size 244
- R 407c 244
- R 410a 244
- 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 244
- Service tools 244
- Thickness t mm 0 0 0 1 1 1 1 1 1 1 1 244
- Tool compatibility 244
- Φ 6 φ 9 φ 12 φ 15 φ 19 φ 22 φ 25 φ 28 φ 31 φ 38 φ 44 244
- 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 245
- Differences 2 change of dimension a 245
- Flaring tool 245
- Specifications 2 dimension a 245
- Unit mm 245
- Part 10 250
- Part 10 removal procedure 250
- Removal procedure 250
- Rxysq4 5 6 p7y1b 40 250
- Procedure to remove outside panels 251
- Rxysq4 5 6 p7y1b 251
- Procedure to remove propeller fan and fan motor 254
- Procedure to remove compressor 256
- Drawings flow charts 262
- 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 264
- Cautions on product corrosion 264
- 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 264
- Http www daikin com global_ac 264
- If you have any enquiries please contact your local importer distributor and or retailer 264
- Printed in singapore 06 2007 cos 264
- 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 264
- 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 264
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