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Daikin EKHTSU260AC [42/292] Ekhbrd 011 014 016 ab ac ad v1
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Switch Box Layout - Indoor Unit EKHBRD ESIE09-08B
30 Refrigerant Circuit
EKHBRD 011/014/016 AB/AC/AD V1
EKHBRD 011/014/016 AB/AC/AD Y1
A7P
X3M
Fieldwiring
to X3M, A8P
Fieldwiring
to X2M, A7P
Fieldwiring
to X1M
X1M
X2M
X2Y
X1Y
X3Y
A8P
A3P
A1P
K1A
A6P
A4P
A5P
Содержание
- Daikin altherma ht 1
- Service manual 1
- Functional parts layout 4 3
- Introduction vi 3
- Model names of indoor outdoor units tanks 3
- Part 1 general information 3
- Part 2 specifications 3
- Part 3 refrigerant circuit functional parts 3
- Part 4 electrical circuit 7 3
- Refrigerant circuit 3
- Specifications 3
- Switch box layout indoor unit ekhbrd 8 2 pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 2 3
- Table of contents 3
- Table of contents i 3
- Operation mode 6 2 basic control 7 4
- Other control 1 4
- Outdoor unit pc board layout 8 3 field setting 9 4
- Outline of control indoor unit 2 4
- Part 5 function 5 4
- Part 6 test operation 9 4
- Part 7 troubleshooting 17 4
- Protection control 4 4
- Special control 0 4
- Symptom based troubleshooting 19 2 troubleshooting by remote control 21 4
- Test operation 0 4
- Troubleshooting by indication on the remote controller 32 4
- Part 8 appendix 13 6
- Piping diagrams 16 6
- Specifications 14 6
- Thermistor resistance temperature characteristics 39 5 pressure sensor 42 6 method of replacing the inverter s power transistors modules 43 7 external backup heater kit 46 6
- Wiring diagrams 22 6
- Drawings flow charts iii 7
- Index i 7
- Part 9 precautions for new refrigerant r 410a 66 7
- Precautions for new refrigerant r 410a 67 7
- Way valve 61 7
- Caution in repair 8
- Introduction 8
- Safety cautions 8
- Warning 8
- Caution 9
- Cautions regarding products after repair 9
- Warning 9
- Caution 10
- Inspection after repair 10
- Warning 10
- Caution 11
- Icons are used to attract the attention of the reader to specific information the meaning of each icon is described in the table below 11
- Using icons 11
- Using icons list 11
- Preface 12
- Model names of indoor outdoor units tanks 13
- Part 1 general information 13
- Indoor units 14
- Model names of indoor outdoor units tanks 14
- Outdoor units 14
- Part 2 specifications 16
- Specifications 16
- For details of the specifications we refer tot the databooks 17
- Specifications 17
- Indoor unit 0 2 functional parts layout 4 19
- Outdoor unit 19
- Part 3 refrigerant circuit functional parts 19
- Refrigerant circuit 19
- Errq ersq 20
- Outdoor unit 20
- Refrigerant circuit 20
- Refrigerant circuit esie09 08b 20
- Esie09 08b refrigerant circuit 21
- Refrigerant circuit 9 21
- Ekhbrd 011 014 016 aa ab v1 y1 22
- Indoor unit 22
- Refrigerant circuit 22
- Refrigerant circuit esie09 08b 22
- Ekhbrd 011 014 016 aa ab v1 y1 23
- Esie09 08b refrigerant circuit 23
- Refrigerant circuit 11 23
- Ekhbrd 011 014 016 ac ad v1 y1 24
- Refrigerant circuit 24
- Refrigerant circuit esie09 08b 24
- Ekhbrd 011 014 016 ac ad v1 y1 25
- Bird s eye view 26
- Errq 011 014 016 aav1 ersq 011 014 016 aav1 26
- Functional parts layout 26
- Remark bottom plate heater standard for errq optional for ersq 26
- Back view 27
- Esie09 08b functional parts layout 27
- Refrigerant circuit 15 27
- Bird s eye view 28
- Errq 011 014 016 aay1 ersq 011 014 016 aay1 28
- Functional parts layout esie09 08b 28
- Refrigerant circuit 28
- Remark bottom plate heater standard for errq optional for ersq 28
- Back view 29
- Esie09 08b functional parts layout 29
- Refrigerant circuit 17 29
- Ekhbrd 011 014 016 aa v1 y1 30
- Front view 30
- Functional parts layout esie09 08b 30
- Refrigerant circuit 30
- Top view 30
- Bird s eye view 31
- Legend 31
- Ekhbrd 011 014 016 ab ac v1 y1 32
- Legend 32
- Overview 32
- Ekhbrd 011 014 016 ac ad v1 y1 33
- Legend 33
- Overview 33
- Bottom view 34
- Ekhts 200 260 a ab ac 34
- Front view 34
- Functional parts layout esie09 08b 34
- Refrigerant circuit 34
- Tank sensor 34
- Esie09 08b functional parts layout 35
- Refrigerant circuit 23 35
- Top view 35
- Worm s eye view 35
- Ekhtsu 200 260 a ab ac 36
- Front view 36
- Bird s eye view 37
- Bottom view 37
- Coil in from ekhbrd 37
- Coil out towards ekhbrd 37
- Esie09 08b functional parts layout 37
- Hot water out cold water in 37
- Pressure relief connection 37
- Recirculation connection 37
- Refrigerant circuit 25 37
- Part 4 electrical circuit 39
- Switch box layout indoor unit ekhbrd 8 2 pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 2 39
- Ekhbrd 011 014 016 aav1 40
- Ekhbrd 011 014 016 aay1 40
- Refrigerant circuit 40
- Switch box layout indoor unit ekhbrd 40
- Switch box layout indoor unit ekhbrd esie09 08b 40
- Esie09 08b switch box layout indoor unit ekhbrd 41
- Refrigerant circuit 29 41
- Ekhbrd 011 014 016 ab ac ad v1 42
- Ekhbrd 011 014 016 ab ac ad y1 42
- Refrigerant circuit 42
- Switch box layout indoor unit ekhbrd esie09 08b 42
- Esie09 08b switch box layout indoor unit ekhbrd 43
- Refrigerant circuit 31 43
- Main pcb a1p 44
- Main pcb single phase 44
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 44
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 esie09 08b 44
- Refrigerant circuit 44
- A7p a8p option pcb connection not standard 45
- Esie09 08b pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 45
- Refrigerant circuit 33 45
- Control pcb a3p 46
- Control pcb single phase 46
- Eb0750 46
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 esie09 08b 46
- Refrigerant circuit 46
- 1 only for ekhts 2 only for benefit kwh rate power supply installation 47
- Esie09 08b pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 47
- Refrigerant circuit 35 47
- Inverter pcb a4p 48
- Inverter pcb single phase 48
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 esie09 08b 48
- Refrigerant circuit 48
- Esie09 08b pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 49
- Inverter pcb 49
- Refrigerant circuit 37 49
- Filter pcb a6p 50
- Filter pcb single phase 50
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 esie09 08b 50
- Refrigerant circuit 50
- Esie09 08b pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 51
- Filter pcb a6p 51
- Na la e 51
- Refrigerant circuit 39 51
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 esie09 08b 52
- Qa pcb a5p 52
- Qa pcb single phase 52
- Refrigerant circuit 52
- Esie09 08b pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 53
- Inverter control pcb three phase 53
- Inverter control pcb three phase a4p 53
- Refrigerant circuit 41 53
- Inverter pcb three phase 54
- Inverter pcb three phase a5p 54
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 esie09 08b 54
- Refrigerant circuit 54
- Digital i o pcb option pcb a7p 55
- Esie09 08b pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 55
- Refrigerant circuit 43 55
- X2a cn2 55
- Yc x1a y1 55
- 5 2 core cable for buh 56
- 5 2 core cable for ekrtr on x1m h com of pcb a11p x2m 6 7 to x2m l n of a11p x1m 1 3 of a10p to r2t 56
- 5 2 core cable for ekrtw on x1m h com of pcb a10p 56
- 5 2 core cable for mixing station 1 56
- 5 2 core cable for mixing station 2 56
- Connector color connected to function 56
- Demand pcb option pcb a8p 56
- Pcb layout for ekhbrd 011 014 016 aa ab ac ad v1 y1 esie09 08b 56
- Refrigerant circuit 56
- X80a white x85a of main pcb a1p 56
- Operation mode 6 2 basic control 7 57
- Other control 1 57
- Outline of control indoor unit 2 57
- Part 5 function 57
- Protection control 4 57
- Special control 0 57
- Function 58
- In the event indoor unit stops or the thermostat turns off while in defrosting operation pump down residual operation is performed on completion of defrosting operation 58
- Indoor unit stop or thermostat off 58
- Indoor unit stop or thermostat off pump down residual operation 58
- Indoor unit thermostat on 58
- Malfunction standby 58
- Operation mode 58
- Operation mode esie09 08b 58
- Basic control 59
- Heating operation is not functional at an outdoor air temperature of field setting 9 02 default 20 c 24 c 59
- Normal operation 59
- Compressor pi control 60
- Carries out the electronic expansion valve k1e pi control to maintain the condensor outlet subcooled degree sc at constant during heating operation to make maximum use of the indoor unit heat exchanger condensor 61
- 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 61
- Electronic expansion valve k1e control indoor unit 61
- Electronic expansion valve k2e control indoor unit 61
- Electronic expansion valve pi control r 134a circuit 61
- Electronic expansion valve pi control r 410a circuit 61
- Main electronic expansion valve ev1 control outdoor unit 61
- Makes pi control of the electronic expansion valve y3e to keep the superheated degree 61
- Of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger 61
- Subcooling electronic expansion valve ev3 control outdoor unit 61
- 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 61
- Always after power on off compressor frequency is limited this is not the case after thermo on off on 62
- Remark a thermostat on demand will activate the outdoor fan followed by the outdoor compressor and finally indoor compressor 62
- Special control 62
- Startup control 62
- Startup control in heating operation 62
- 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 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 62
- Defrosting operation 63
- Pump down residual operation 64
- Pump down residual operation in heating operation r 410a 64
- 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 64
- Indoor 65
- Operation of the actuator when the system is down is cleared up 65
- Outdoor 65
- Stopping operation 65
- When system is in stop mode 65
- Function 66
- High pressure protection control 66
- In heating operation r 410a 66
- Protection control 66
- Protection control esie09 08b 66
- This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure 66
- After 60 sec 67
- Esie09 08b protection control 67
- Function 55 67
- In heating operation r 134a 67
- Inv upper limit frequency 1 step down from current compressor frequency 67
- Inv upper limit frequency 1 step up from current compressor frequency 67
- Keep the current step 67
- Mpa after 10 sec 67
- Pc 2 5mpa 67
- Function 68
- In heating operation r 410a 68
- Low pressure protection control 68
- Protection control esie09 08b 68
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 68
- Esie09 08b protection control 69
- Function 57 69
- In heating operation r 134a 69
- Discharge pipe protection control 70
- Function 70
- Inv compressor r 134a 70
- Inv compressor r 410a 70
- Protection control esie09 08b 70
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 70
- 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 71
- Inverter overcurrent protection control r 134a 71
- Inverter overcurrent protection control r 410a 71
- Inverter protection control 71
- Inverter fin temperature control r 134a 72
- Inverter fin temperature control r 410a 72
- Crankcase heater 73
- For more details see chapter of settings 73
- Heating operation prohibition 73
- If the ambient temperature becomes higher than 24 c value of setting 9 02 no space heating is possible heating for domestic hot water is possible till 35 c ambient temperature 73
- Inverter fan control switch box fan 73
- Other control 73
- Freeze prevention 74
- Freeze up prevention by thermo off condition 74
- Outline of control indoor unit 74
- Outline of control indoor unit 6 freeze prevention 74
- Simultaneous demand of space heating and domestic water heating 75
- A m o p n 76
- Storage operation when requesting space heating and domestic water heating storage at the same time this involves that the storage function is active and the start timer is reached setting 1 during space heating operation the 3 way valve will switch over to domestic water heating operation now domestic water will be produced till set point is reached or according to the running timer setting d 01 the 3 way valve will switch back to space heating mode for the interval period setting d 02 after this interval the 3 way valve will go back to domestic water mode this will continue till set point is reached at that moment simultaneous request is finished and the system goes back to space heating mode 76
- External room thermostat when the reheat temperature is reached the further heat up of the domestic hot water tank will be decided by the external room thermostat thermo conditions and running timers which are programmed by the installer 77
- Reheat operation when requesting space heating and domestic water heating reheat at the same time this involves that the minimum reheat temperature is reached setting b 00 during space heating operation the 3 way valve will switch over to the domestic hot water side the domestic water will be heated till maximum reheat temperature setting b 01 the 3 way valve will switch back to original position then space heating will start again during the reheat operation the system does not take care about the room temperature this means that during simultaneous demand the reheat operation has priority over the room temperature 77
- A m o p q n 78
- Storage operation when requesting space heating and domestic water heating storage at the same time this involves that the storage function is active and the start timer is reached setting 1 during space heating operation the 3 way valve will switch over to domestic water heating operation now domestic water will be produced till set point is reached or according to the running timer setting d 01 the 3 way valve will switch back to space heating mode for the interval period setting d 02 after this interval the 3 way valve will go back to domestic water mode this will continue till set point is reached at that moment simultaneous request is finished and the system goes back to space heating mode during the storage operation the system does not take care off the room temperature this means that during simultaneous demand the space only will be heated during the intervals of domestic water production 78
- Reheat operation when requesting space heating and domestic water heating reheat at the same time this involves that the minimum reheat temperature is reached setting b 00 during space heating operation the 3 way valve will switch over to the domestic hot water side the domestic water will be heated till maximum reheat temperature setting b 01 the 3 way valve will switch back to original position then space heating will start again during the reheat operation the system does not take care about the room temperature this means that during simultaneous demand the reheat operation has priority over the room temperature 79
- Remote controller room temperature control when the reheat temperature is reached the further heat up till storage temperature of the domestic hot water tank will be decided by the remote controller room thermostat in order to prevent that the room temperature drops too much 79
- A m r n 80
- Remark 80
- Storage operation when requesting space heating and domestic water heating storage at the same time this involves that the minimum reheat temperature is reached setting b 00 during space heating operation the 3 way valve will switch over to the domestic hot water side then the domestic water will be heated but as soon as the room temperature drops 3 c from set point smart logic the 3 way valve will go to original position and start space heating till 0 c above set point then the 3 way valve will switch over to the domestic hot water side and then the domestic water will be heated again till storage set point 80
- Outdoor unit pc board layout 8 3 field setting 9 81
- Part 6 test operation 81
- Test operation 0 81
- Check work prior to turn power supply on 82
- Follow the following procedure to conduct the initial test operation after installation 82
- Procedure and outline 82
- Test operation 82
- Turn power on 83
- Air tight test and vacuum drying 84
- Additional refrigerant charge 85
- Important information regarding the refrigerant used 86
- Procedures for adding refrigerant 86
- Check operation 88
- 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 89
- Operation when power is turned on 89
- 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 89
- The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc status 89
- When an indoor or outdoor unit pc board has been changed 89
- When turning on power first time 89
- When turning on power the second time and subsequent 89
- Er s r q 011 014 016 aav1 90
- Er s r q 011 014 016 aay1 90
- Outdoor unit pc board layout 90
- Outdoor unit pc board layout esie09 08b 90
- Test operation 90
- Field setting 91
- Field setting from remote control 91
- Wired remote control 91
- Ekhbrd aa 93
- Esie09 08b field setting 93
- Setting contents and code no ekhbrd indoor unit 93
- Test operation 81 93
- Field setting esie09 08b 94
- Test operation 94
- Esie09 08b field setting 95
- Test operation 83 95
- Ekhbrd ab ac ad 96
- Field setting esie09 08b 96
- Test operation 96
- Esie09 08b field setting 97
- Test operation 85 97
- Field setting esie09 08b 98
- Test operation 98
- 0 00 user permission level the remote controller can be programmed to make certain buttons and functions unavailable for the user there are 2 permission levels defined both levels level 2 and level 3 are basically the same the only difference is that for level 3 no water temperature settings are possible see table below 99
- 0 01 room temperature compensation value if needed it is possible to adjust some thermistor value of the unit by a correction value this can be used as countermeasure for thermistor tolerances or capacity shortage the compensated temperature measured temperature plus compensation value is then used for controlling the system and will be displayed in the temperature read out mode see also 9 automatic temperature compensation setting for compensation values for leaving water temperature and domestic hot water temperature 99
- 0 03 status defines whether the on off instruction can be used in the schedule timer for space heating the schedule timer for space heating can be programmed on 2 different ways based on the temperature set point both leaving water temperature and room temperature and based on the on off instruction 99
- By default no level is defined so all buttons and functions are operable no level enabled the actual permission level is determined by field setting for permission level 2 set field setting 0 00 is to 2 for permission level 3 set field setting 0 00 to 3 once the field setting is set the chosen permission level is not yet active enabling the selected permission level is done by simultaneously pressing buttons pi and pj immediately followed by simultaneously pressing buttons s and ba and keeping all 4 buttons pressed for at least 5 seconds note that no indication on the remote controller is given after the procedure the blocked buttons will not be available anymore deactivating the selected permission level is done on the same way here the default level becomes active again all buttons and functions are operable 99
- Detailed explanation of setting modes 99
- Esie09 08b field setting 99
- Remote control setup 99
- Test operation 87 99
- A for leaving water temperature and or room temperature see leaving water temperature control setting 8 00 100
- Field setting esie09 08b 100
- In the following tables both methods on how to interpret the schedule timer are shown 100
- Notes by default space heating based on temperature set point method 1 is enabled so only temperature shifts are possible no on off instruction the system keeps operating advantage of this method is that you can simply switch off the space heating operation by pushing the y button without disabling the automatic domestic hot water storage operation e g during summertime when no space heating is required 100
- Operation example schedule timer based on temperature set points 100
- Remark room temperature and leaving water temperature have no fix relationship both temperatures can be adjusted independently 100
- Test operation 100
- When setback function is enabled the setback operation will have priority over the scheduled action in the schedule timer setting 2 100
- Esie09 08b field setting 101
- Off on on 101
- Operation example schedule timer based on on off instruction 101
- Test operation 89 101
- When setback function is enabled the setback operation will have priority over the scheduled action in the schedule timer if on instruction is active if off instruction is active this will have priority over the setback function at any time the off instruction will have the highest priority 101
- Automatic storage timing for domestic water heating 102
- 2 00 status defines whether the setback function is turned on 1 or off 0 2 01 start time time at which setback is started 2 02 stop time time at which setback is stopped 103
- Automatic setback function 103
- Notes 1 by default the setback function is enabled if it s not needed it should be disabled 2 the setback function can be combined with the automatic weather dependent set point operation 3 setback function is an automatic daily scheduled function 4 it is advised to set the start time of automatic storage during night 1 01 on the moment that the setback function starts 2 01 103
- Notes 1 in setback operation for room temperature control immediately a setback temperature is set 2 in setback operation for leaving water control a shift down value is chosen this value should be lowered from the normal set point 103
- Setback function provides the possibility to lower the room temperature the setback function can for instance be activated during the night because the temperature demands during night and day are not the same 103
- Setback operation for leaving water control 103
- Setback operation for room temperature control 103
- Weather dependent set point 104
- Disinfection function 105
- 5 00 set point disinfection water temperature to be reached 5 01 interval time period defining how long the disinfection temperature set point should be maintained 106
- 5 02 leaving water setback temperature 5 03 room setback temperature 106
- Automatic setback and disinfection set point 106
- Field setting esie09 08b 106
- Note more details about setback function can be found in setting 2 106
- Notes 1 reheat temperature should have lower value than storage temperature 2 if storage temperature is higher than the disinfection temperature and if this value is high enough according national and local regulations you can disable the disinfection function 106
- See also 4 disinfection function on page 93 for more information about the disinfection operation 106
- Test operation 106
- Option setup 107
- Option setup 108
- Option setup 109
- 9 00 leaving water temperature compensation value 9 01 domestic hot water tank compensation value 9 02 thermo on off admission by changing this value the operation range for space heating operation can be modified if the ambient temperature becomes higher than 24 c the value of 9 02 no space heating is possible space heating can be requested as long as the ambient temperature is lower than 20 c the value of 9 02 111
- Automatic temperature compensation 111
- Esie09 08b field setting 111
- Example 9 02 2 c 111
- If needed it is possible to adjust some thermistor value of the unit by a correction value this can be used as countermeasure for thermistor tolerances or capacity shortage 111
- Test operation 99 111
- The compensated temperature measured temperature plus compensation value is then used for controlling the system and will be displayed in the temperature read out mode 111
- A 01 current limitation 112
- A 02 temperature difference for leaving and returning water the unit is designed to support radiator operation the advised leaving water temperature set by the remote controller for radiators is 65 c in such a case the unit will be controlled to realize a temperature difference t of 10 c which means that the returning water to the unit is around 55 c depending on the installed application radiators fan coil units or situation it can be required to change the t this can be done by changing field setting a 02 a 03 multi set point 1 temperature a 04 multi set point 2 temperature 112
- A option setup 112
- Field setting esie09 08b 112
- Notes 1 when temperature reducing devices are installed the system can be configured to use multi set points also the demand pcb option is needed 2 the selected values for multiple set point should be lower than the value from remote controller reference temperature or domestic hot water temperature pattern a 3 daikin does not offer any temperature reducing device trd this system multi set point control only provides the possibility to use multi set point it s than also the installers responsibility to make sure that the whole system is operating well 112
- Test operation 112
- The indoor unit current is limited the outdoor unit is slave and will also reduce its power consumption consequentially however transient conditions with higher power consumption are possible 112
- B 00 set point reheat minimum temperature see figure below b 01 set point reheat maximum temperature see figure below 113
- B domestic hot water set points 113
- Esie09 08b field setting 113
- Notes 1 remark that the w icon will only be blinking during effective automatic storage operation presence of the permanently lit w icon does not mean that automatic storage is enabled but only means that reheat is enabled 2 during operation it is always possible to cancel the operation by pushing the w button once 3 pushing the y button has no influence on the domestic water heating domestic hot water heating is only switched on or off by means of the w button and or disabling the storage schedule timer 113
- Test operation 101 113
- The reheat mode will prevent the domestic hot water from cooling down lower than a certain temperature when enabled the indoor unit will deliver hot water to the domestic hot water tank if the reheat minimum value is reached the domestic water heating will continue until the reheat maximum temperature is reached in this way always a minimum of domestic hot water is available 113
- C leaving water temperature limits 115
- Esie09 08b field setting 115
- Test operation 103 115
- To prevent misuse concerning leaving water temperatures it is possible to limit the set points c 00 set point leaving water maximum temperature c 01 set point leaving water minimum temperature 115
- Changing the timer values can have an impact on space heating and domestic water heating heat up timers the default values are proposed but can be changed depending on the complete system installation for a detailed explanation about simultaneous request of space heating and domestic water heating see control chapter 116
- D 00 set point minimum operation time for domestic water heating d 01 set point maximum operation time for domestic water heating d 02 set point interval minimum stop time of domestic water heating 116
- D domestic water heating retention times 116
- Field setting esie09 08b 116
- Test operation 116
- The heat pump can only work in either space heating operation or domestic water heating operation no simultaneous operation is possible except when using multiple set point control 116
- E service mode 117
- Capacity setting after changing the main outdoor 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 118
- Caution 118
- Field setting esie09 08b 118
- Field setting from outdoor unit 118
- Test operation 118
- Capacity setting after changing the main indoor pc board a1p to spare parts pc board when you change the main indoor pc board a1p to spare parts pc board please carry out the following setting 119
- Caution 119
- Esie09 08b field setting 119
- Test operation 107 119
- Factory setting normal operation 120
- Led s during initializing first 12 minutes after power starting 120
- Mode changing procedure 120
- Setting by pushbutton switches the following settings are made by pushbutton switches on pc board 120
- There are the following three setting modes setting mode 1 h1p off initial status when normal also indicates during abnormal setting mode 2 h1p on used to modify the operating status and to set program addresses etc usually used in servicing the system monitor mode h1p blinks used to check the program made in setting mode 2 120
- Wait until initializing period is over before pressing buttons 120
- Esie09 08b field setting 121
- Test operation 109 121
- A setting mode 1 122
- Procedure for changing cool heat selection setting 122
- This mode is used to set and check the following items 1 set items in order to make ind selection in a batch of outdoor unit group change the setting ind selection if this setting is changed u7 error will appear only factory setting is allowed 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 122
- X x c x x x x 122
- X x x x x x 122
- Automatic pump down operation an automatic pump down operation which will collect all refrigerant from the field piping and indoor unit in the outdoor unit 123
- B setting mode 2 123
- Esie09 08b field setting 123
- No setting item description 123
- Refrigerant recovery vacuuming mode setting of r 410a circuit 123
- Remark pump down operation is only allowed when the refrigerant charge is less than 123
- Set bs2 button 123
- Sets to refrigerant recovery or vacuuming mode 123
- Test operation 111 123
- The numbers in the no column represent the number of times to press the 123
- Field setting esie09 08b 124
- Note 8hp not important to change settings 124
- Test operation 124
- The numbers in the no column represent the number of times to press the set bs2 button 124
- C monitor mode 125
- Note 8hp not important to change settings 125
- The numbers in the no column represent the number of times to press the set bs2 button 125
- Setting of refrigerant recovery mode 127
- Field setting esie09 08b 128
- If step 6 is reached pressure drops below 3 bar or if operation stops close the gas stop valve turn off the main power supply 128
- In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves 128
- Operating procedure in setting mode 2 with units in stop mode set b refrigerant recovery vacuuming mode setting 21 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 control and the indoor outdoor unit operation is prohibited after setting do not cancel setting mode 2 until completion of vacuuming operation use the vacuum pump to perform vacuuming operation when finished vacuuming press mode button bs1 once and reset setting mode 2 128
- Operating procedure turn on the main power supply make sure the liquid stop valve is closed and the gas stop valve is open and that the low pressure switch is working in setting mode 2 set automatic pump down setting 61 to on after setting do not cancel setting mode 2 until completion of pump down operation the compressor and outdoor unit fan will start operating automatically during operation the led s are showing the progress 128
- Remark make sure to re open both stop valves before restarting the unit 128
- Setting of automatic pump down operation 128
- Setting of vacuuming mode 128
- Test operation 128
- When carrying out the automatic pump down operation follow below operation procedure 128
- Part 7 troubleshooting 129
- Symptom based troubleshooting 19 2 troubleshooting by remote control 21 129
- Troubleshooting by indication on the remote controller 32 129
- Symptom based troubleshooting 131
- Inspection mode 133
- Local setting mode service mode 133
- Normal mode 133
- Test operation mode 133
- The following modes can be selected by using the inspection test operation button on the remote control 133
- The inspection test button 133
- Troubleshooting by remote control 133
- Explanation 134
- Self diagnosis by wired remote control 134
- Esie09 08b troubleshooting by remote control 135
- Operation of the remote controller s inspection test operation button 135
- Troubleshooting 123 135
- How to enter the service mode 136
- Remote control service mode 136
- Select the mode no only mode 40 can be set 136
- Service mode operation method 136
- Troubleshooting 136
- Troubleshooting by remote control esie09 08b 136
- Remark the malfunction code can give also an extra subcode alternating with this subcode we can distinguish if the error is related to the r 410a or r 134a circuit 137
- Remote controller self diagnosis function 138
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 139
- Detail description on next page 140
- Malfunction code indication by outdoor unit pc board 140
- Push the mode bs1 button and returns to setting mode 1 140
- Push the return bs3 button and switches to the initial status of monitor mode 140
- Push the return bs3 button once to display first digit of malfunction code 140
- Push the set bs2 button and set the led display to a setting item 140
- Push the set bs2 button once to display malfunction location 140
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 140
- Push the set bs2 button once to display second digit of malfunction code 140
- To enter the monitor mode push the mode bs1 button when in setting mode 1 140
- Troubleshooting 140
- Troubleshooting by remote control esie09 08b 140
- Detail description on next page 142
- Push the mode bs1 button and returns to setting mode 1 142
- Push the return bs3 button and switches to the initial status of monitor mode 142
- Push the return bs3 button once to display first digit of malfunction code 142
- Push the set bs2 button and set the led display to a setting item 142
- Push the set bs2 button once to display malfunction location 142
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 142
- Push the set bs2 button once to display second digit of malfunction code 142
- To enter the monitor mode push the mode bs1 button when in setting mode 1 142
- Troubleshooting 142
- Troubleshooting by remote control esie09 08b 142
- A1 indoor unit pc board defect 144
- Troubleshooting by indication on the remote controller 144
- A6 indoor unit pump error m1p or other water system error 145
- All indoor unit models 145
- Applicable models 145
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 145
- Detection by failure of signal for detecting number of turns to come from the pump motor detection by failure ref sensors 145
- Esie09 08b troubleshooting by indication on the remote controller 145
- Malfunction decision conditions 145
- Method of malfunction detection 145
- Pump rotor locked disconnected or faulty wiring between pump connector and pc board a1p blocked waterflow or heat exchanger waterside 145
- Remote control display 145
- Subcode 0 145
- Supposed causes 145
- Troubleshooting 145
- Troubleshooting 133 145
- When number of turns cannot be detected even when output voltage to the pump motor is maximum when water sensors are not within expected range 145
- A9 indoor unit malfunction of moving part of electronic expansion valve k1e r 410a circuit 146
- All indoor and outdoor unit models 146
- Applicable models 146
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 146
- Malfunction decision conditions 146
- Malfunction of moving part of electronic expansion valve defect of indoor unit pc board a1p defect of connecting cable bad wire 146
- Method of malfunction detection 146
- Remote control display 146
- Subcode 0 146
- Supposed causes 146
- Troubleshooting 146
- Troubleshooting by indication on the remote controller esie09 08b 146
- 1 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 147
- Continuity no continuity 147
- Normal 147
- Ae indoor unit water circuit error 148
- All indoor unit models 148
- Applicable models 148
- Blocked waterflow or heat exchanger waterside the water circuit has a too high esp external static pressure 148
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 148
- Malfunction decision conditions 148
- Method of malfunction detection 148
- Remote control display 148
- Subcode 0 148
- Supposed causes 148
- Troubleshooting 148
- Troubleshooting by indication on the remote controller esie09 08b 148
- Aj indoor unit malfunction of capacity determination device 149
- Applicable models 150
- C1 indoor unit failure of transmission between indoor unit pc board and control pc board 150
- Malfunction decision conditions 150
- Method of malfunction detection 150
- Remote control display 150
- Supposed causes 150
- 1 pull out and insert the connecter once and check it is absolutely connected 151
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 151
- Connect it and operate possible cause is instantaneous blackout 151
- Connect the connector accurately 151
- Esie09 08b troubleshooting by indication on the remote controller 151
- Replace indoor pc board a1p 151
- Replace pc board for control a3p 151
- Troubleshooting 151
- Troubleshooting 139 151
- C4 indoor unit malfunction of thermistor r3t liquid thermistor r 410a 152
- All indoor unit models 153
- Applicable models 153
- C5 indoor unit malfunction of tank thermistor r2t 153
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 153
- Defect of indoor unit tank thermistor r2t defect of indoor unit pc board a3p 153
- Esie09 08b troubleshooting by indication on the remote controller 153
- Malfunction decision conditions 153
- Malfunction detection is carried out by temperature detected by tank thermistor 153
- Method of malfunction detection 153
- Refer to thermistor resistance temperature characteristics table on p239 153
- Remote control display 153
- Subcode 0 153
- Supposed causes 153
- Troubleshooting 153
- Troubleshooting 141 153
- When the tank thermistor becomes disconnected or shorted while the unit is running 153
- Aii indoor unit models 154
- Applicable models 154
- C9 indoor unit return water thermistor r4t 154
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 154
- Defect of indoor unit thermistor r4t for water return defect of indoor unit pc board a1p 154
- Malfunction decision conditions 154
- Malfunction detection is carried out by temperature detected by return water temperature thermistor 154
- Method of malfunction detection 154
- Refer to thermistor resistance temperature characteristics table on p239 154
- Remote control display 154
- Subcode 0 154
- Supposed causes 154
- Troubleshooting 154
- Troubleshooting by indication on the remote controller esie09 08b 154
- When the return water temperature thermistor becomes disconnected or shorted while the unit is running 154
- Aii indoor unit models 155
- Applicable models 155
- Ca indoor unit leaving water thermistor error r5t 155
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 155
- Defect of indoor unit thermistor for leaving water r5t defect of indoor unit pc board a1p 155
- Esie09 08b troubleshooting by indication on the remote controller 155
- Malfunction decision conditions 155
- Malfunction detection is carried out by temperature detected by leaving water temperature thermistor 155
- Method of malfunction detection 155
- Refer to thermistor resistance temperature characteristics table on p239 155
- Remote control display 155
- Subcode 0 155
- Supposed causes 155
- Troubleshooting 155
- Troubleshooting 143 155
- When the leaving water temperature thermistor becomes disconnected or shorted while the unit is running 155
- Aii indoor unit models 156
- Applicable models 156
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 156
- Cj indoor unit malfunction of thermostat sensor in remote controller 156
- Defect of remote control thermistor defect of remote control pc board defect of indoor pc board a1p 156
- Malfunction decision conditions 156
- Malfunction detection is carried out by temperature detected by remote control air temperature thermistor 156
- Method of malfunction detection 156
- Remote control display 156
- Subcode 0 156
- Supposed causes 156
- Troubleshooting 156
- Troubleshooting by indication on the remote controller esie09 08b 156
- When the remote control air temperature thermistor becomes disconnected or shorted while the unit is running 156
- E1 outdoor unit pc board defect 157
- E1 indoor unit pc board defect 158
- Applicable models 159
- E3 outdoor unit actuation of high pressure switch 159
- Malfunction decision conditions 159
- Method of malfunction detection 159
- Remote control display 159
- Supposed causes 159
- 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 2 make a comparison between the high pressure value checked with the service tool and the voltage of the pressure sensor see 1 3 make measurement of voltage of the pressure sensor 160
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 160
- Check no 160
- Refer to information on page 209 160
- Troubleshooting 160
- Troubleshooting by indication on the remote controller esie09 08b 160
- Applicable models 161
- E3 indoor unit actuation of high pressure switch 161
- Malfunction decision conditions 161
- Method of malfunction detection 161
- Remote control display 161
- Supposed causes 161
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 162
- Check 1 162
- Check no 162
- No rectify defective points if any 162
- Rectify defective points if any 162
- Refer to information on page 209 162
- Replace the high pressure sensor 162
- Replace the hps 162
- Replace the pc board a4p 162
- Troubleshooting 162
- Troubleshooting by indication on the remote controller esie09 08b 162
- 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 2 163
- 3 make measurement of voltage of the pressure sensor 163
- Esie09 08b troubleshooting by indication on the remote controller 163
- Make a comparison between the high pressure value checked with the service tool and the voltage of the pressure sensor see 1 163
- Troubleshooting 151 163
- E4 outdoor unit actuation of low pressure sensor 164
- 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 and then convert it to pressure 2 make a comparison between the low pressure value checked with the service tool and the voltage of the pressure sensor see 1 3 make measurement of voltage of the pressure sensor 165
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 165
- Check no 165
- Esie09 08b troubleshooting by indication on the remote controller 165
- Refer to information on page 210 165
- Troubleshooting 165
- Troubleshooting 153 165
- Applicable models 166
- E4 indoor unit actuation of low pressure sensor 166
- Malfunction decision conditions 166
- Method of malfunction detection 166
- Remote control display 166
- Supposed causes 166
- 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 2 make a comparison between the low pressure value checked with the service tool and the voltage of the pressure sensor see 1 3 make measurement of voltage of the pressure sensor 167
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 167
- Check no 167
- Esie09 08b troubleshooting by indication on the remote controller 167
- Refer to information on page 209 167
- Troubleshooting 167
- Troubleshooting 155 167
- Applicable models 168
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 168
- Compressor lock high differential pressure 0 mpa or more incorrect uvw wiring faulty inverter pc board stop valve is left in closed 168
- E5 outdoor unit inverter compressor motor lock 168
- Er q 011 016 168
- 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 168
- Malfunction decision conditions 168
- Method of malfunction detection 168
- Remote control display 168
- Supposed causes 168
- This malfunction will be output when the inverter compressor motor does not start up even in forced startup mode 168
- Troubleshooting 168
- Troubleshooting by indication on the remote controller esie09 08b 168
- All indoor units 169
- Applicable models 169
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 169
- Compressor lock liquid suction oil shortage high differential pressure 0 mpa or more incorrect uvw wiring faulty inverter pc board stop valve is left in closed 169
- E5 indoor unit inverter compressor motor lock 169
- Esie09 08b troubleshooting by indication on the remote controller 169
- 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 169
- Malfunction decision conditions 169
- Method of malfunction detection 169
- Remote control display 169
- Subcode 6 169
- Supposed causes 169
- This malfunction will be output when the inverter compressor motor does not start up even in forced startup mode 169
- Troubleshooting 169
- Troubleshooting 157 169
- Warning capacitor shock hazard the capacitors top surfaces can hold up to 220v use correct precautions when servicing 169
- Applicable models 170
- E7 malfunction of outdoor unit fan motor 170
- Malfunction decision conditions 170
- Method of malfunction detection 170
- Remote control display 170
- Supposed causes 170
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 171
- Check no 171
- Esie09 08b troubleshooting by indication on the remote controller 171
- Refer to information on page 211 171
- Troubleshooting 171
- Troubleshooting 159 171
- Applicable models 172
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 172
- Check disconnection of connector check continuity of expansion valve coil 172
- Defect of moving part of electronic expansion valve defect of outdoor unit pc board a1p defect of connecting cable 172
- E9 outdoor unit malfunction of moving part of electronic expansion valve 172
- Er q 011 016 172
- Error is generated under no common power supply when the power is on 172
- Malfunction decision conditions 172
- Method of malfunction detection 172
- Remote control display 172
- Supposed causes 172
- Troubleshooting 172
- Troubleshooting by indication on the remote controller esie09 08b 172
- 1 coil check method for the moving part of the electronic expansion valve disconnect the electronic expansion valve from the pc board and check the continuity between the connector pins 173
- Continuity no continuity 173
- Normal 173
- All indoor units expansion valve on r 134a 174
- Applicable models 174
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 174
- Check disconnection of connector check continuity of expansion valve coil 174
- Defect of moving part of electronic expansion valve defect of indoor unit pc board a4p defect of connecting cable 174
- E9 indoor unit malfunction of moving part of electronic expansion valve k2e r 134a circuit 174
- Error is generated under no common power supply when the power is on 174
- Malfunction decision conditions 174
- Method of malfunction detection 174
- Remote control display 174
- Subcode 17 174
- Supposed causes 174
- Troubleshooting 174
- Troubleshooting by indication on the remote controller esie09 08b 174
- 1 coil check method for the moving part of the electronic expansion valve disconnect the electronic expansion valve from the pc board and check the continuity between the connector pins 175
- Continuity no continuity 175
- Normal 175
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 176
- Applicable models 176
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 176
- Er q 011 016 176
- F3 outdoor unit abnormal discharge pipe temperature 176
- Faulty discharge pipe temperature sensor faulty connection of discharge pipe temperature sensor faulty outdoor unit pc board 176
- Malfunction decision conditions 176
- Method of malfunction detection 176
- Refer to thermistor resistance temperature characteristics table on p239 176
- Remote control display 176
- Supposed causes 176
- Troubleshooting 176
- Troubleshooting by indication on the remote controller esie09 08b 176
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly 176
- Abnormality is detected according to the temperature detected by the discharge pipe temperature sensor 177
- All indoor units 177
- Applicable models 177
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 177
- Esie09 08b troubleshooting by indication on the remote controller 177
- F3 indoor unit abnormal discharge pipe temperature 177
- Faulty discharge pipe temperature sensor r6t faulty connection of discharge pipe temperature sensor faulty indoor unit pc board 177
- Malfunction decision conditions 177
- Method of malfunction detection 177
- Refer to thermistor resistance temperature characteristics table on page 239 177
- Remote control display 177
- Subcode 19 177
- Supposed causes 177
- Troubleshooting 177
- Troubleshooting 165 177
- When the discharge pipe temperature rises to an abnormally high level when the discharge pipe temperature rises suddenly 177
- Applicable models 178
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 178
- Defect of thermistor r1t for outdoor air defect of outdoor unit pc board a1p 178
- Er q 011 016 178
- H9 outdoor unit malfunction of thermistor r1t for outdoor air 178
- Malfunction decision conditions 178
- Malfunction is detected from the temperature detected by the outdoor air thermistor 178
- Method of malfunction detection 178
- Refer to thermistor resistance temperature characteristics table on page 239 178
- Remote control display 178
- Supposed causes 178
- Troubleshooting 178
- Troubleshooting by indication on the remote controller esie09 08b 178
- When the outside air temperature thermistor has short circuit or open circuit 178
- J3 outdoor unit malfunction of discharge pipe thermistor r2t 179
- J3 indoor unit malfunction of discharge pipe thermistor r6t 180
- Applicable models 181
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 181
- Defect of thermistor r3t r5t for outdoor unit suction pipe defect of outdoor unit pc board a1p 181
- Er q 011 016 181
- Esie09 08b troubleshooting by indication on the remote controller 181
- J5 outdoor unit malfunction of thermistor r3t r5t for suction pipe 1 2 181
- Malfunction decision conditions 181
- Malfunction is detected from the temperature detected by the thermistor for suction pipe 1 2 181
- Method of malfunction detection 181
- Refer to thermistor resistance temperature characteristics table on p239 181
- Remote control display 181
- Supposed causes 181
- Troubleshooting 181
- Troubleshooting 169 181
- When a short circuit or an open circuit in the thermistor for suction pipe 1 2 are detected 181
- All indoor units 182
- Applicable models 182
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 182
- Defect of thermistor r7t for liquid r134a defect of indoor unit pc board a4p 182
- J5 indoor unit malfunction of thermistor r7t for liquid r 134a 182
- Malfunction decision conditions 182
- Malfunction is detected from the temperature detected by the thermistor for liquid pipe 182
- Method of malfunction detection 182
- Refer to thermistor resistance temperature characteristics table on p239 182
- Remote control display 182
- Subcode 11 182
- Supposed causes 182
- Troubleshooting 182
- Troubleshooting by indication on the remote controller esie09 08b 182
- When a short circuit or an open circuit in the thermistor for liquid pipe are detected 182
- J6 outdoor unit malfunction of thermistor r6t for outdoor unit heat exchanger 183
- J7 outdoor unit malfunction of thermistor r7t for outdoor unit liquid pipe 184
- Applicable models 185
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 185
- Er q 011 016 185
- Esie09 08b troubleshooting by indication on the remote controller 185
- Faulty subcooling heat exchanger gas pipe thermistor r4t faulty outdoor unit pc board 185
- J9 outdoor unit malfunction of thermistor r4t for subcooling heat exchanger gas pipe 185
- Malfunction decision conditions 185
- Malfunction is detected according to the temperature detected by subcooling heat exchanger gas pipe thermistor 185
- Method of malfunction detection 185
- Refer to thermistor resistance temperature characteristics table on p239 185
- Remote control display 185
- Supposed causes 185
- Troubleshooting 185
- Troubleshooting 173 185
- When the subcooling heat exchanger gas pipe thermistor is short circuited or open 185
- Ja outdoor unit malfunction of high pressure sensor 186
- 1 voltage measurement point 187
- 2 refer to pressure sensor pressure voltage characteristics table on p242 187
- All indoor units 187
- Applicable models 187
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 187
- Defect of high pressure sensor connection of low pressure sensor with wrong connection defect of indoor unit pc board a4p 187
- Esie09 08b troubleshooting by indication on the remote controller 187
- Ja indoor unit malfunction of high pressure sensor 187
- Malfunction decision conditions 187
- Malfunction is detected from the pressure detected by the high pressure sensor 187
- Method of malfunction detection 187
- Remote control display 187
- Subcode 16 187
- Supposed causes 187
- Troubleshooting 187
- Troubleshooting 175 187
- When the high pressure sensor is short circuit or open circuit 187
- 1 voltage measurement point 188
- 2 refer to pressure sensor pressure voltage characteristics table on p242 188
- Applicable models 188
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 188
- Defect of low pressure sensor connection of high pressure sensor with wrong connection defect of outdoor unit pc board 188
- Er q 011 016 188
- Jc outdoor unit malfunction of low pressure sensor 188
- Malfunction decision conditions 188
- Malfunction is detected from pressure detected by low pressure sensor 188
- Method of malfunction detection 188
- Remote control display 188
- Supposed causes 188
- Troubleshooting 188
- Troubleshooting by indication on the remote controller esie09 08b 188
- When the low pressure sensor is short circuit or open circuit 188
- Applicable models 189
- Jc indoor unit malfunction of low pressure sensor 189
- Malfunction decision conditions 189
- Method of malfunction detection 189
- Remote control display 189
- Supposed causes 189
- Troubleshooting 189
- Applicable models 190
- L1 outdoor unit malfunction of pc board 190
- Malfunction decision conditions 190
- Method of malfunction detection 190
- Remote control display 190
- Supposed causes 190
- Troubleshooting 190
- Applicable models 191
- L1 indoor unit malfunction of pc board 191
- Malfunction decision conditions 191
- Method of malfunction detection 191
- Remote control display 191
- Supposed causes 191
- Troubleshooting 191
- Actuation of fin thermal actuates above 83 c defect of inverter pc board a2p defect of fin thermistor 192
- Applicable models 192
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 192
- Er q 011 016 192
- Fin temperature is detected by the thermistor of the radiation fin 192
- L4 outdoor unit malfunction of inverter radiating fin temperature rise 192
- Malfunction decision conditions 192
- Method of malfunction detection 192
- Remote control display 192
- Supposed causes 192
- Troubleshooting 192
- Troubleshooting by indication on the remote controller esie09 08b 192
- When the temperature of the inverter radiation fin increases above 83 c 192
- Applicable models 193
- L4 indoor unit malfunction of inverter radiating fin temperature rise r8t 193
- Malfunction decision conditions 193
- Method of malfunction detection 193
- Remote control display 193
- Supposed causes 193
- Troubleshooting 193
- Applicable models 194
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 194
- Defect of compressor coil disconnected defective insulation compressor start up malfunction mechanical lock defect of inverter pc board a2p overcurrent 194
- Er q 011 016 194
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 194
- L5 outdoor unit inverter compressor abnormal 194
- L5 outdoor unit inverter compressor abnormal r 410a 194
- Malfunction decision conditions 194
- Malfunction is detected from current flowing in the power transistor 194
- Method of malfunction detection 194
- R 410a 194
- Remote control display 194
- Supposed causes 194
- Troubleshooting 194
- Troubleshooting by indication on the remote controller esie09 08b 194
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 194
- All indoor units 195
- Applicable models 195
- Higher voltage than actual is displayed when the inverter output voltage is checked by tester 195
- L5 indoor unit inverter compressor abnormal 195
- L5 indoor unit inverter compressor abnormal r 134a 195
- Malfunction decision conditions 195
- Malfunction is detected from current flowing in the power transistor 195
- Method of malfunction detection 195
- Or a5p 195
- Overcurrent immediate defect of compressor coil disconnected defective insulation compressor start up malfunction mechanical lock defect of inverter pc board a4p 195
- R 134a 195
- Remote control display 195
- Subcode 13 195
- Supposed causes 195
- Troubleshooting 195
- When an excessive current flows in the power transistor instantaneous overcurrent also causes activation 195
- Applicable models 196
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 196
- Compressor overload compressor coil disconnected defect of outdoor unit pc board a2p 196
- Er q 011 016 196
- L8 outdoor unit inverter current abnormal 196
- Malfunction decision conditions 196
- Malfunction is detected by current flowing in the power transistor 196
- Method of malfunction detection 196
- Remote control display 196
- Supposed causes 196
- Troubleshooting 196
- Troubleshooting by indication on the remote controller esie09 08b 196
- When overload in the compressor is detected 196
- All indoor units 197
- Applicable models 197
- Compressor overload compressor coil disconnected defect of indoor unit pc board a4p 197
- Current protection thermal 197
- L8 indoor unit inverter current abnormal 197
- Malfunction decision conditions 197
- Malfunction is detected by current flowing in the power transistor 197
- Method of malfunction detection 197
- Or a5p 197
- Remote control display 197
- Subcode 10 197
- Supposed causes 197
- Troubleshooting 197
- When overload in the compressor is detected 197
- Applicable models 198
- Defect of compressor pressure differential start defect of outdoor unit pc board a2p 198
- Er q 011 016 198
- L9 outdoor unit inverter start up error 198
- Malfunction decision conditions 198
- Malfunction is detected from current flowing in the power transistor 198
- Method of malfunction detection 198
- Remote control display 198
- Supposed causes 198
- Troubleshooting 198
- When overload in the compressor is detected during startup 198
- Applicable models 199
- L9 indoor unit inverter start up error 199
- Malfunction decision conditions 199
- Method of malfunction detection 199
- Remote control display 199
- Supposed causes 199
- Troubleshooting 199
- Lc outdoor unit malfunction of transmission between inverter and control pc board 200
- Applicable models 201
- Lc indoor unit malfunction of transmission between inverter and control pc board 201
- Malfunction decision conditions 201
- Method of malfunction detection 201
- Remote control display 201
- Supposed causes 201
- Troubleshooting 201
- Lh indoor unit converter error 202
- Applicable models 203
- Malfunction decision conditions 203
- Method of malfunction detection 203
- P1 outdoor unit high voltage of capacitor in main inverter circuit 203
- Remote control display 203
- Supposed causes 203
- Troubleshooting 203
- Applicable models 204
- Malfunction decision conditions 204
- Method of malfunction detection 204
- P1 indoor unit high voltage of capacitor in main inverter circuit 204
- Remote control display 204
- Supposed causes 204
- Troubleshooting 204
- Pj indoor unit faulty combination of pcb 205
- Applicable models 206
- Malfunction decision conditions 206
- Method of malfunction detection 206
- Remote control display 206
- Supposed causes 206
- U0 low pressure drop due to refrigerant shortage or electronic expansion valve failure 206
- 1 refer to thermistor resistance temperature characteristics table on p239 2 refer to pressure sensor pressure voltage characteristics table on p242 207
- 2 voltage measurement point 207
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 207
- Esie09 08b troubleshooting by indication on the remote controller 207
- Troubleshooting 207
- Troubleshooting 195 207
- U2 power supply insufficient or instantaneous failure 208
- 1 inverter s power transistors check refer to information on p 43 245 refer to information on p 11 209
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 209
- Check no 209
- Check the inverter power transistor 1 209
- Esie09 08b troubleshooting by indication on the remote controller 209
- Is the power transistor faulty 209
- Troubleshooting 209
- Troubleshooting 197 209
- Applicable models 210
- Malfunction decision conditions 210
- Method of malfunction detection 210
- Remote control display 210
- Supposed causes 210
- U2 power supply insufficient or instantaneous failure 210
- 1 inverter s power transistors check refer to information on p 43 245 refer to information on p 11 211
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 211
- Check no 211
- Esie09 08b troubleshooting by indication on the remote controller 211
- Troubleshooting 211
- Troubleshooting 199 211
- Applicable models 212
- Malfunction decision conditions 212
- Method of malfunction detection 212
- Remote control display 212
- Supposed causes 212
- U4 malfunction of transmission between indoor unit and outdoor unit 212
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 213
- Check no 213
- Esie09 08b troubleshooting by indication on the remote controller 213
- Refer to information on p211 213
- Troubleshooting 213
- Troubleshooting 201 213
- U4 malfunction of transmission indoor unit 214
- Aii indoor unit models 215
- Applicable models 215
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 215
- Check no 215
- Esie09 08b troubleshooting by indication on the remote controller 215
- In case of controlling with 2 remote control check the system using microcomputer is signal transmission between indoor unit and remote correct if faulty control main and sub is normal 215
- Malfunction decision conditions 215
- Malfunction of indoor unit remote control transmission connection of two main remote controls when using 2 remote controls defect of indoor unit pc board a1p defect of remote control pc board malfunction of transmission caused by noise 215
- Method of malfunction detection 215
- Normal transmission does not continue for specified period 215
- Refer to information on p211 215
- Remote control display 215
- Subcode 0 215
- Supposed causes 215
- Troubleshooting 215
- Troubleshooting 203 215
- U5 malfunction of transmission between remote control and indoor unit 215
- Applicable models 216
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 216
- Er q 011 016 216
- Improper connection of transmission wiring between outdoor unit and external control adaptor for outdoor unit improper cool heat selection improper cool heat unified address outdoor unit external control adaptor for outdoor unit defect of outdoor unit pc board a1p defect of external control adaptor for outdoor unit 216
- Malfunction decision conditions 216
- Method of malfunction detection 216
- Microcomputer checks the transmission of outdoor unit 216
- Remote control display 216
- Subcode 2 216
- Supposed causes 216
- Troubleshooting 216
- Troubleshooting by indication on the remote controller esie09 08b 216
- U7 indoor unit malfunction of transmission outdoor unit 216
- When transmission is not carried out normally for a certain amount of time 216
- Aii indoor unit models 217
- Applicable models 217
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 217
- Esie09 08b troubleshooting by indication on the remote controller 217
- In case of controlling with 2 remote control check the system using microcomputer if signal transmission between indoor unit and remote control main and sub is normal 217
- Malfunction decision conditions 217
- Malfunction of transmission between main and sub remote control connection between sub remote controls defect of remote control pc board 217
- Method of malfunction detection 217
- Normal transmission does not continue for specified period 217
- Remote control display 217
- Supposed causes 217
- Troubleshooting 217
- Troubleshooting 205 217
- U8 malfunction of transmission between main and sub remote controls 217
- Aii indoor unit models all outdoor unit models 218
- Applicable models 218
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 218
- Excess of connected indoor units defect of outdoor unit pc board a1p mismatching of the type of indoor and outdoor unit setting of outdoor pc board was not conducted after replacing to spare parts pc board 218
- Malfunction decision conditions 218
- Method of malfunction detection 218
- Remote control display 218
- Subcode 13 218
- Subcode 39 218
- Supposed causes 218
- Troubleshooting 218
- Troubleshooting by indication on the remote controller esie09 08b 218
- Ua communication error between outdoor unit and indoor unit 218
- Applicable models 219
- Malfunction decision conditions 219
- Method of malfunction detection 219
- Remote control display 219
- Supposed causes 219
- Troubleshooting 219
- Uf system is not set yet 219
- Aii indoor unit models all outdoor unit models 220
- Applicable models 220
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occured 220
- Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adapter defect of indoor unit pc board a1p defect of outdoor unit pc board a1p 220
- Malfunction decision conditions 220
- Method of malfunction detection 220
- Remote control display 220
- Subcode 0 220
- Supposed causes 220
- Troubleshooting 220
- Troubleshooting by indication on the remote controller esie09 08b 220
- Uh malfunction of system refrigerant system address undefined 220
- Check 1 check for causes of rise in high pressure 221
- Esie09 08b troubleshooting by indication on the remote controller 221
- Referring to the fault tree analysis fta shown below probe the faulty points 221
- Troubleshooting 209 221
- Check 2 check for causes of drop in low pressure 222
- Referring to the fault tree analysis fta shown below probe the faulty points 222
- Troubleshooting 222
- Troubleshooting by indication on the remote controller esie09 08b 222
- 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 223
- Check 3 check for fan motor connector 223
- Part 8 appendix 225
- Piping diagrams 16 225
- Specifications 14 225
- Thermistor resistance temperature characteristics 39 5 pressure sensor 42 6 method of replacing the inverter s power transistors modules 43 7 external backup heater kit 46 225
- Way valve 61 225
- Wiring diagrams 21 225
- Ekhbrd 011 014 016 aa ab1ac u1 y1 226
- Esp curves 226
- Legend 226
- Remark 226
- Specifications 226
- Tw59859 6 226
- Warning 226
- Appendix 215 227
- Do97345 227
- Ekhbrd 011 014 016 ad u1 y1 227
- Esie09 08b specifications 227
- Legend 227
- Remark 227
- Warning 227
- Appendix 228
- Errq ersq 011 014 016 aav1 228
- Outdoor unit 228
- Piping diagrams 228
- Piping diagrams esie09 08b 228
- Appendix 217 229
- Errq ersq 011 014 016 aay1 229
- Esie09 08b piping diagrams 229
- Appendix 230
- Ekhbrd 011 016 aa abv1 y1 230
- Indoor unit 230
- Piping diagrams esie09 08b 230
- Appendix 219 231
- Esie09 08b piping diagrams 231
- Legend 231
- Ekhbrd 011 014 016 ac ad v1 y1 232
- Appendix 221 233
- Esie09 08b piping diagrams 233
- Legend 233
- Appendix 234
- Errq ersq 011 014 016 v1 234
- Outdoor unit 234
- Wiring diagrams 234
- Wiring diagrams esie09 08b 234
- Legend 235
- Appendix 236
- Errq ersq 011 014 016 y1 236
- Wiring diagrams esie09 08b 236
- Legend 237
- Errq ersq 011 014 016 a v1 y1 in combination with ekhbrd 238
- Field wiring connection diagram 238
- A1p x27a 1 a1p x27a 3 a1p x27a 5 239
- A2p ss1 239
- A3p x1a 1 239
- A3p x1a 3 239
- Appendix 227 239
- Ekhbrd 011 014 016 aa v1 239
- Esie09 08b wiring diagrams 239
- Indoor unit 239
- K1e m ms 3 m1p 239
- K1r k3r k5r k6r k7r k8r 239
- On off 239
- Outdoor unit 239
- R1t h20 239
- S m ss1 norm emg 239
- S1s r2t 239
- Ss1 on off 239
- Ss1 s m 239
- V6c n 1 239
- V7c n 2 x3m 239
- X1y x2y 239
- X2m x2m 239
- A1p x27a 1 240
- A1p x27a 3 240
- A1p x27a 5 240
- A3p x1a 1 240
- A3p x1a 3 240
- Appendix 240
- B1ph b1pl 240
- C1 c2 c3 240
- K3r k1r k4r 240
- M1c ms 3 240
- M1f m 1 240
- M2f m 1 240
- On off 240
- Power supply 240
- Q2di q1di q1di 240
- V1c n 2 240
- V2c n 2 240
- V8c n 5 240
- Wiring diagrams esie09 08b 240
- Z2f n 2 240
- Z4f tc rc ps 240
- Ekhbrd 011 014 016 ab ac ad v1 241
- Legend 243
- Included in option kit 244
- Included in option kit field supplied 244
- A1p x27a 1 a1p x27a 3 a1p x27a 5 245
- A2p ss1 245
- A3p x1a 1 245
- A3p x1a 3 245
- A7p ss1 on off 245
- Appendix 233 245
- Ekhbrd 011 014 016 aay1 245
- Esie09 08b wiring diagrams 245
- K1e m ms 3 m1p 245
- K1r k3r k5r k6r k7r k8r 245
- Norm emg 245
- On off 245
- Outdoor unit 245
- R1t h20 245
- S m ss1 hap 245
- S1s r2t 245
- Ss1 s m 245
- V10c n 1 245
- V11c n 2 x3m 245
- V12c n 6 245
- X1y x2y 245
- X2m x2m 245
- A1p x27a 1 246
- A1p x27a 3 246
- A1p x27a 5 246
- A3p x1a 1 246
- A3p x1a 3 246
- Appendix 246
- B1ph b1pl k2e 246
- K3r k1r k2r 246
- M1c ms 3 246
- M1f m 1 246
- M2f m 1 246
- On off 246
- Power supply 246
- Q2di q1di q1di 246
- R6t q2l 246
- V1c n 1 v2c 246
- V5c n 2 246
- V6c n 1 v4c n 2 246
- V7c n 2 246
- V8c n 5 246
- Wiring diagrams esie09 08b 246
- X1y x1y x1y 246
- X1y x3y x3y 246
- Y1r e1hc 246
- Ekhbrd 011 014 016 ab ac ad y1 247
- Legend 249
- Included in option kit 250
- Included in option kit field supplied 250
- Appendix 239 251
- Esie09 08b thermistor resistance temperature characteristics 251
- For liquid pipe 251
- For suction pipe 2 r5t for subcooling heat exchanger outle 251
- Indoor unit for air suction r1t for liquid pipe r2t for gas pipe r3t 251
- Outdoor unit for fin thermistor r1t 251
- Outdoor unit for outdoor air r1t for suction pipe 1 r3t for heat exchanger 251
- R4t r6t 251
- R6t r4t 251
- R7t r8t 251
- Thermistor resistance temperature characteristics 251
- Appendix 252
- Outdoor unit thermistors for discharge pipe r2t 252
- Thermistor resistance temperature characteristics esie09 08b 252
- Pressure sensor 254
- Method of replacing the inverter s power transistors modules 255
- Appendix 256
- Inverter pc board 256
- Method of replacing the inverter s power transistors modules esie09 08b 256
- Appendix 245 257
- Esie09 08b method of replacing the inverter s power transistors modules 257
- Faulty compressor ground fault ground leakage 257
- Faulty fan motor ground leakage 257
- Power module checking when using the digital type of multiple tester make measurement in diode check mode 257
- The following abnormalities are also doubted besides the pc board abnormality 257
- There needs to be none of each value variation 257
- External backup heater kit 258
- Model name 258
- Bird s eye view 259
- Legend 259
- Main components 259
- Safety devices 260
- Technical specifications 261
- 6 02 heater kit once installed you can activate the heater kit by changing field setting 6 02 1 from that moment on the heat pump system will take the heater kit into account whilst deciding operation when the heater is actually operating the heater symbol is shown on the remote controller there is no step 1 2 indication 262
- 8 02 emergency operation during emergency mode heating is only done by the heater kit not by the heat pump activation of emergency mode is done by changing field setting 8 02 1 activating the emergency mode will stop the heat pump operation the pump of the indoor unit will be started but heating itself is done by the heater kit if there are no error conditions in leaving or returning water thermistors the heater kit can start to follow emergency operation 262
- Auxilary relay following heat pump tariff signal can be applied to switch off buh during hp tariff operation 262
- Benefit kwh rate power supply mode 262
- Detailed description 262
- Detailed explanation of setting modes 262
- If the benefit kwh rate power supply is used for the indoor unit the indoor unit will go into emergency operation automatically when the power supply is interrupted 262
- Note before activating emergency operation be sure to activate the heater kit the heater will stay in emergency mode until the field setting is set back to default 8 02 0 262
- Note setting 8 01 not for ekhbrd aa was used to set auto restart on or off this has been changed to default on 262
- Note this concerns the benefit kwh rate power supply mode of the ekhbrd ekhvm indoor unit for more details refer to the field settings chapter of the indoor unit installation manual 262
- To activate the heater kit some field settings on the indoor unit need to be changed for details how to change field settings refer to the chapter field settings of the indoor unit installation or operation manual 262
- Use of backup heater with ekhbrd aa 262
- Use of backup heater with ekhbrd ab ekhvmy r d aa 262
- External backup heater control 263
- Normal operation 263
- Defrost heat pump operation 264
- Emergency operation 264
- Internal starting conditions 264
- All indoor models 265
- Appendix 253 265
- Applicable models 265
- Esie09 08b external backup heater kit 265
- Heater kit thermal protector q2l activation temperature 92 c or thermal fuse f1t activation temperature 122 c error heater kit connected to benefit kwh rate power supply and wrongly configured no heater kit installed 265
- Malfunction decision conditions 265
- Malfunction detection is carried out by safety contacts in the heater kit 265
- Method of malfunction detection 265
- Remote control display 265
- Subcode 0 265
- Supposed causes 265
- Troubleshooting 265
- Troubleshooting by indication on the remote controller 265
- Buh not operating no symbol visible on the remote controller 266
- Buh not operating symbol visible on the remote controller 266
- General heating capacity shortage but no aa error indication 266
- Troubleshooting general symptoms 266
- Ekbuhaa6v3 267
- F1b f2b 267
- F1u e1h e2h 267
- Legend 267
- Switch box layout 267
- X1m x2m 267
- Ekbuhaa6w1 268
- F1u e1h e2h e3h 268
- Legend 268
- X1m x2m 268
- Appendix 257 269
- Ekbuhaa6v3 269
- Esie09 08b external backup heater kit 269
- Wiring diagrams 269
- Field supplied 270
- Legend 270
- Appendix 259 271
- Ekbuhaa6w1 271
- Esie09 08b external backup heater kit 271
- Field supplied 272
- Legend 272
- Actuator assembly 273
- Build up of 3 way valve 273
- Legend 273
- Total assembly 273
- Way valve 273
- Troubleshooting overview 3 way valve 274
- Caution switch off power before working on the unit but make sure the valve motor is not moving 275
- How to verify if 3 way valve is installed correctly 275
- Separate the 3 way valve motor from the body 275
- Check correct wiring and set up of the 3 way valve motor 276
- Check if 3 way valve motor is installed correctly on to the 3 way valve body 276
- Check if signal towards 3 way valve is correct 277
- Part 9 precautions for new refrigerant r 410a 278
- Precautions for new refrigerant r 410a 67 278
- 1 non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 2 quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 3 the design pressure is different at each product please refer to the installation manual for each product reference 1 mpa 10 9716 kgf c 279
- About refrigerant r 410a 279
- 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 279
- Outline 279
- Precautions for new refrigerant r 410a 279
- Precautions for new refrigerant r 410a 280
- Precautions for new refrigerant r 410a esie09 08b 280
- Thermodynamic characteristic of r 410a 280
- Refrigerant cylinders 281
- As for the charge mouthpiece and packing 1 2unf20 is necessary for mouthpiece size of charge hose 282
- Copper tube material and thickness 282
- Material 282
- O o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 282
- O o o o o 1 2h 1 2h 1 2h 1 2h 1 2h 1 2h 282
- O soft annealed h hard drawn 282
- Pipe size 282
- R 407c 282
- R 410a 282
- 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 282
- Service tools 282
- Thickness t mm 0 0 0 1 1 1 1 1 1 1 1 282
- Tool compatibility 282
- Φ 6 φ 9 φ 12 φ 15 φ 19 φ 22 φ 25 φ 28 φ 31 φ 38 φ 44 282
- 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 283
- Differences change of dimension a 283
- Flaring tool 283
- Specifications dimension a 283
- Unit mm 283
- Can not be used 286
- A1 132 289
- A6 133 289
- A9 134 289
- Abnormal discharge pipe temperature 164 165 289
- About refrigerant r 410a 267 289
- Actuation of high pressure switch 147 149 289
- Actuation of low pressure sensor 152 154 289
- Ae 136 289
- Aj 137 289
- Applicable range of field setting 84 289
- C1 138 289
- C4 140 289
- C5 141 289
- C9 142 289
- Ca 143 289
- Check for causes of drop in low pressure 210 289
- Check for causes of rise in high pressure 209 289
- Check operation 76 289
- Cj 144 289
- Compressor pi control 48 289
- Converter error 190 289
- Defrosting operation 51 289
- Detailed explanation of setting modes 84 289
- E1 145 146 289
- E3 147 149 289
- E4 152 154 289
- E5 156 157 289
- E7 158 289
- E9 160 162 289
- Electronic expansion valve pi control 49 289
- Excessive number of indoor units 206 289
- External backup heater control 251 289
- F3 164 165 289
- Failure of transmission between indoor unit pc board and control pc board 138 289
- Faulty combination of pcb 193 289
- Field setting 79 289
- Field setting from outdoor unit 106 289
- Field setting from remote control 79 289
- Freeze prevention 62 289
- Functional parts layout 11 289
- General symptoms 254 289
- H9 166 289
- Heating operation prohibition 61 289
- High pressure protection control 54 289
- High voltage of capacitor in main inverter circuit 191 192 289
- Inverter compressor abnormal 182 183 289
- Inverter compressor motor lock 156 157 289
- Inverter current abnormal 184 185 289
- Inverter protection control 59 289
- Inverter start up error 186 187 289
- J3 167 168 289
- J5 169 170 289
- J6 171 289
- J7 172 289
- J9 173 289
- Ja 174 175 289
- Jc 176 177 289
- L1 178 179 289
- L4 180 181 289
- L5 182 183 289
- L8 184 185 289
- L9 186 187 289
- Lc 188 189 289
- Leaving water thermistor error r5t 143 289
- Lh 190 289
- Low pressure drop due to refrigerant shortage or electronic expansion valve failure 194 289
- Main components 247 289
- Malfunction 170 289
- Malfunction code indication by outdoor unit pc board 128 289
- Malfunction of capacity determination device 137 289
- Malfunction of discharge pipe thermistor r2t 167 168 289
- Malfunction of high pressure sensor 174 175 289
- Malfunction of inverter radiating fin temperature rise 180 181 289
- Malfunction of low pressure sensor 176 177 289
- Malfunction of moving part of electronic expansion valve k1e 134 289
- Malfunction of moving part of electronic expansion valve y1e y3e 160 162 289
- Malfunction of outdoor unit fan motor 158 289
- Malfunction of pc board 178 179 289
- Malfunction of system refrigerant system address undefined 208 290
- Malfunction of tank thermistor r3t 141 290
- Malfunction of thermistor r3t liquid thermistor r 410a 140 290
- Malfunction of thermistor r3t r5t for suction pipe 1 2 169 290
- Malfunction of thermistor r4t 173 290
- Malfunction of thermistor r6t for outdoor unit heat exchanger 171 290
- Malfunction of thermistor r7t for outdoor unit liquid pipe 172 290
- Malfunction of thermostat sensor in remote control 144 290
- Malfunction of transmission between indoor units and outdoor units 200 202 290
- Malfunction of transmission between inverter and control pc board 188 189 290
- Malfunction of transmission between main and sub remote controls 205 290
- Malfunction of transmission between outdoor units 204 290
- Malfunction of transmission between remote control and indoor unit 203 290
- Method of replacing the inverter s power transistors modules 243 290
- Model name 246 290
- Normal operation 47 290
- Operation mode 46 290
- Operation when power is turned on 77 290
- Outdoor unit pc board layout 78 290
- Outdoor unit thermistors for discharge pipe 240 290
- P1 191 192 290
- Pc board defect 132 145 146 290
- Pcb layout for ekhbrd 011 014 016 aav1 30 290
- Pj 193 290
- Power supply insufficient or instantaneous failure 196 198 290
- Precautions for new refrigerant r 410a 267 290
- Pressure sensor 242 290
- Protection control 54 290
- Pump down residual operation 52 290
- Pump error m1p or other water system error 133 290
- Refrigerant circuit 8 290
- Refrigerant cylinders 269 290
- Return water thermistor 142 290
- Service tools 270 290
- Setting modes 250 290
- Setting of refrigerant additional charging operation 115 290
- Setting of refrigerant recovery mode 115 290
- Simultaneous demand of space heating and domestic water heating 63 290
- Special control 50 290
- Specifications 5 290
- Startup control 50 290
- Stopping operation 53 290
- Switch box layout 28 255 290
- Symptom based troubleshooting 119 290
- System is not set yet 207 290
- Tank thermistor 241 290
- Technical specifications 249 290
- Test operation 290
- Thermistor resistance temperature characteristics 239 290
- U0 194 290
- U2 196 198 290
- U4 200 202 290
- U5 203 290
- U8 205 290
- Ua 204 206 290
- Uf 207 290
- Uh 208 290
- Water circuit error 136 290
- Wiring diagrams 257 290
- Drawings flow charts 291
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