![Daikin EWYQ021BAWP [108/223] Symptom based troubleshooting](/img/pdf.png)
Daikin EWYQ021BAWP [108/223] Symptom based troubleshooting
![Daikin EWYQ021BAWP [108/223] Symptom based troubleshooting](/views2/1680940/page108/bg6c.png)
ESIE11-05 Symptom-based Troubleshooting
Troubleshooting 97
1. Symptom-based Troubleshooting
Symptom Supposed Cause Countermeasure
1 The system does not start operation at all. Blowout of fuse(s) Turn Off the power supply and
then replace the fuse(s).
Cutout of breaker(s) • If the knob of any breaker is in
its OFF position, turn ON the
power supply.
• If the knob of any circuit
breaker is in its tripped position,
do not turn ON the power
supply.
Power failure After the power failure is reset,
restart the system.
Open phase in power supply
cable
Check power supply. After that,
properly connect the power
supply cable, and then turn ON
the power supply.
2 The system starts operation but makes an
immediate stop.
Blocked air inlet or outlet of indoor
or outdoor unit
Remove obstacle(s).
3 The unit is turned on but is not heating/cooling as
expected.
The temperature setting is not
correct.
Check the controller set point.
Capacity shortage. Check if the cooling fan at the rear
of the switch box is working
properly.
Check if the unit is not installed in
a too hot location (> 30°C).
The water volume in the
installation is too low.
Make sure that the water volume
in the installation is above the
minimum required value.
The water flow is too low. Check that all shut-off valves of
the water circuit are completely
open.
Check if the water filter needs
cleaning.
Make sure there is no air in the
system (purge air).
Make sure that the expansion
vessel is not broken.
Check on the manometer that
there is sufficient water
pressure. The water pressure
must be > 0,3 bar (water is
cold); >> 0,3 bar (water is hot).
Blocked air inlet or outlet of indoor
or outdoor unit
Remove obstacle(s).
Enclosed outdoor unit(s) Remove the enclosure.
4 The system does
not operate.
The system stops and
immediately restarts operation.
If the OPERATION lamp on the
remote control turns ON, the
system will be normal. These
symptoms indicate that the
system is controlled so as not to
put unreasonable loads on the
system.
Normal operation. The system will
automatically starts operation
after a lapse of five minutes.
Pressing the TEMP ADJUST
button immediately resets the
system.
ON
OFF
Knob
Tripped
Circuit breaker
Содержание
- Service manual 1
- Small inverter chillers 1
- Basic control 0 3
- Function general 8 3
- Introduction v 3
- Other control 6 3
- Part 1 general outline 3
- Part 2 functional description 7 3
- Protection control 1 3
- Refrigerant circuit 3
- Special control 5 3
- Specifications 3
- Table of contents 3
- Water circuit 8 3
- Wiring diagram 2 3
- Field setting from outdoor unit 2 4
- Outline of control hydrobox 9 4
- Part 3 troubleshooting 5 4
- Remote controller 0 4
- Symptom based troubleshooting 7 2 malfunction codes and description 00 3 malfunction code indication by outdoor unit pcb 02 4 error codes 06 4
- List of electrical and functional parts 78 5
- Part 4 service procedure 77 5
- Part 5 commissioning and test run 03 5
- Procedure for software upload hydrobox 94 5
- Test run 04 5
- Thermistor resistance temperature characteristics 81 3 pressure sensor 83 4 method of checking the inverter s power transistors and diode modules 84 5 options 86 5
- Index i 6
- Maintenance of the main parts 11 6
- Part 6 maintenance 09 6
- Caution in repair 7
- Introduction 7
- Safety cautions 7
- Warning 7
- Caution 8
- Warning 8
- Caution 9
- Cautions regarding products 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
- Inspection after repair 10
- Using icons 10
- Warning 10
- Using icons list 11
- Part 1 general outline 12
- Refrigerant circuit 12
- Specifications 12
- Water circuit 8 12
- Wiring diagram 2 12
- Electrical specifications 13
- General outline 13
- Nomenclature 13
- Operation range 13
- Option specifications 13
- See databook 13
- Specifications 13
- Specifications esie11 05 13
- Technical specifications 13
- Esie11 05 refrigerant circuit 14
- Ewyq016ba 14
- General outline 3 14
- Refrigerant circuit 14
- Ewyq016ba 15
- General outline 15
- Refrigerant circuit esie11 05 15
- Esie11 05 refrigerant circuit 16
- Ewyq021ba 025ba 040ba 050ba 16
- General outline 5 16
- Ewyq021ba 025ba 040ba 050ba 17
- General outline 17
- Refrigerant circuit esie11 05 17
- Esie11 05 refrigerant circuit 18
- Ewyq032ba 064ba 18
- General outline 7 18
- Ewyq032ba 064ba 19
- General outline 19
- Refrigerant circuit esie11 05 19
- Esie11 05 refrigerant circuit 20
- Ewyq016ba 20
- Front view 20
- Functional parts layout outdoor unit 20
- General outline 9 20
- Top view 20
- Accumulator 21
- Ewyq021ba 025ba 040ba 050ba 21
- Front view 21
- General outline 21
- Heat exchanger 21
- Refrigerant circuit esie11 05 21
- Top view 21
- Accumulator 22
- Esie11 05 refrigerant circuit 22
- Ewyq032ba 064ba 22
- Front view 22
- General outline 11 22
- Heat exchanger 22
- Top view 22
- Ewyq016ba cooling operation 23
- General outline 23
- Refrigerant circuit esie11 05 23
- Refrigerant flow for each operation mode 23
- Esie11 05 refrigerant circuit 24
- General outline 13 24
- Heating operation 24
- Ewyq021ba 025ba cooling operation 25
- General outline 25
- Refrigerant circuit esie11 05 25
- Esie11 05 refrigerant circuit 26
- General outline 15 26
- Heating operation 26
- Ewyq032ba cooling operation 27
- General outline 27
- Refrigerant circuit esie11 05 27
- Esie11 05 refrigerant circuit 28
- General outline 17 28
- Heating operation 28
- Ewa yq016ba 021ba 025ba 032ba 29
- Water circuit 29
- Esie11 05 water circuit 30
- General outline 19 30
- Legend 30
- Ewa yq040ba 050ba 064ba 31
- Esie11 05 water circuit 32
- General outline 21 32
- Legend 32
- Hydrobox wiring 33
- Wiring diagram 33
- Esie11 05 wiring diagram 34
- Field installed option field supplied 34
- General outline 23 34
- Legend 34
- General outline 35
- Switch box layout 35
- Wiring diagram esie11 05 35
- Esie11 05 wiring diagram 36
- Field supplied 36
- General outline 25 36
- Legend 36
- Wiring diagram three phase 36
- General outline 37
- Switch box layout 37
- Wiring diagram esie11 05 37
- Ew q016ba 38
- Wiring outdoor 38
- 1 abc terminals 39
- General outline 39
- Legend 39
- Wiring diagram esie11 05 39
- Esie11 05 wiring diagram 40
- General outline 29 40
- Switch box layout 40
- Ew q021ba 025ba 040ba 050ba 41
- 1 abc terminals 42
- Esie11 05 wiring diagram 42
- General outline 31 42
- Legend 42
- General outline 43
- Switch box layout 43
- Wiring diagram esie11 05 43
- Ew q032ba 064ba 44
- General outline 45
- Legend 45
- Wiring diagram esie11 05 45
- Esie11 05 wiring diagram 46
- General outline 35 46
- Switch box layout 46
- Field wiring 47
- Basic control 0 48
- Field setting from outdoor unit 2 48
- Function general 8 48
- Other control 6 48
- Outline of control hydrobox 9 48
- Part 2 functional description 48
- Protection control 1 48
- Remote controller 0 48
- Special control 5 48
- Function general 49
- Symbol 49
- Esie11 05 function general 50
- Functional description 39 50
- Malfunction standby retry 50
- Note in the event the unit stops or the thermostat turns off while in defrosting operation pump down residual operation is performed on completion of the defrosting operation 50
- Operation mode 50
- 1 only for ew q040ba 050ba 064ba 51
- Basic control 51
- List of functions in normal operation 51
- Normal operation 51
- Carries out the compressor capacity pi control to maintain te at constant during cooling operation and tc at constant during heating operation to ensure stable unit performance 52
- Compressor operations may vary with the following logic to information in compressor pi control on page 41 52
- Compressor pi control 52
- Compressor step control 52
- Cooling operation 52
- Depending on operation of compressors the compressors may run in different patterns as shown here 2 double units ew q040 064baw both circuits run same pattern at the same time with a small exception of safeties and a small delay in bringing in std compressor 52
- For ew q016baw max is 266 hz 2 first std compressor starts only possible for ew q021 064baw 3 second std compressor starts only possible for ew q032baw and ew q064baw 52
- Heating operation 52
- Carries out the electronic expansion pi control to maintain the evaporator outlet superheated degree sh at constant during cooling operation 53
- Carries out the electronic expansion y1e pi control to maintain the subcool at a constant value during heating operation 53
- Electronic expansion valve pi control 53
- Hydrobox electronic expansion valve control k11e k21e 53
- Main electronic expansion valve ev1 control 53
- Makes pi control of the electronic expansion valve y2e to keep the superheated degree of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger 53
- Subcooling electronic expansion valve ev2 control 53
- The optimum initial value of the subcool is 5 c 53
- The optimum initial value of the superheat is 2 c 53
- Figures listed above are all those controlled while in standard mode which vary when the system is set to high static pressure or capacity priority mode 1 periodic between 0 speed and 350 speed 54
- Step control of outdoor unit fans 54
- Used to control the revolutions of outdoor unit fans in the steps listed in table below according to condition changes 54
- Outdoor unit fan control in cooling operation 55
- While in cooling operation if the outdoor temperature is low this mode provides high pressure control using the outdoor unit fan 55
- Special control 56
- Startup control 56
- Startup control in cooling 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
- Startup control in heating operation 57
- 1 before switching over to defrost mode the unit closes the exv for switch over 2 before switching over to normal heating operations the unit closes the exv for switch over actuators are based on ewyq032ba 58
- Defrosting operation 58
- To defrost the outdoor unit heat exchanger while in evaporator the defrost operation is conducted to recover the heating capacity and runs a reverse cycle start conditions heat exchange temperature tb tdef calculated by logic depending on tamb and the unit has been at least 25 min in heating or te 0 c the unit will be forced to take a defrost every 2 hours furthermore the heat transfer coefficient of the outdoor unit evaporator is computed from tc te and compressor loads 58
- Actuators are based on ewyq032ba 59
- If the liquid refrigerant stays in the evaporator at the startup of a compressor this liquid refrigerant enters the compressor thus resulting in diluted oil in the compressor and then degraded lubrication performance consequently in order to recover the refrigerant in the evaporator while the compressor stops the pump down residual operation is conducted 59
- Pump down residual operation 59
- Pump down residual operation in cooling operation 59
- Pump down residual operation in heating operation 59
- Actuators are based on ewyq032ba 60
- Crankcase heater control 60
- In order to prevent the refrigerant from melting in the compressor oil in the stopped mode this mode is used to control the crankcase heater 60
- Restart standby 60
- Standby 60
- Used to forcedly stop the compressor for a period of 3 minutes in order to prevent the frequent on off of the compressor and equalize the pressure within the refrigerant system 60
- Actuators are based on ewyq032ba 61
- Stopping operation 61
- This mode is used to define actuator operations when the system stops 61
- When system is in stop mode normal operation stop 61
- Esie11 05 protection control 62
- Functional description 51 62
- High pressure protection control 62
- In case of ew q040ba 050ba 064ba each outdoor unit performs this control individually in the following sequence 62
- Protection control 62
- 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 62
- Functional description 63
- In the case of multi outdoor unit system each outdoor unit performs this control individually in the following sequence 63
- Low pressure protection control 63
- Protection control esie11 05 63
- This low pressure protection control is used to protect compressors against the transient decrease of low pressure 63
- After 10 min 64
- Applicable std compressor stops 64
- Discharge pipe protection control 64
- Discharge pipe temp 64
- Esie11 05 protection control 64
- Functional description 53 64
- Htds value of std compressor discharge pipe temperature tds compensated with outdoor air temperature 64
- Inv compressor 64
- Protection control not limited 64
- Std compressor 64
- This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature 64
- A y1 yl 26 a tl 65
- Functional description 65
- In the case of ew q040ba 050ba 064ba each inv compressor performs these controls in the following sequence 65
- Inverter current 14 a y1 yl 26 a tl inv upper limit frequency max 65
- 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 65
- Inverter fin temperature control 65
- Inverter overcurrent protection control 65
- Inverter protection control 65
- Normal operation 65
- Protection control esie11 05 65
- Esie11 05 protection control 66
- Functional description 55 66
- Std compressor overload protection 66
- This control is used to prevent abnormal heating due to overcurrent to the compressor resulting from failures of std compressor such as locking 66
- Caution 67
- Emergency operation 67
- Other control 67
- Restrictions for emergency operation 67
- Hhhhhh 68
- Hhhhlh 68
- In the case of 1 outdoor unit system ew q021 064ba 68
- Demand operation 69
- In order to save the power consumption the capacity of outdoor unit is saved with control forcibly by using demand 1 setting or demand 2 setting to operate the unit with this mode additional setting of continuous demand setting or external input by external control adaptor is required 69
- Freeze prevention 70
- Freeze up prevention by thermo off condition 70
- Outline of control hydrobox 70
- Thermostat control 71
- Flow control 72
- If no flow detected for 2 min unit stops and gives a6 error 72
- If no flow unit will decrease capacity to keep the unit in safe situation sensor r13t and r14t 72
- No flow for 2 min pump off unit gives a6 error 72
- No flow for 40 sec unit off pump still on 72
- Pump on 72
- Pump starts 72
- Unit state defrost 72
- Unit state operation led on 72
- Unit state run cooling heating 72
- Field setting from outdoor unit 73
- List of field setting items 73
- This following section indicates the list of field setting items for the lists of dip switch contents setting mode 1 and setting mode 2 refer to information in tables shown on the following page onward for setting items of 1 refer to detailed information provided on page 73 onward 73
- For setting items of 1 refer to detailed information provided on page 78 and 79 74
- Setting by dip switches 74
- Using dip switches on the pcb enables field setting shown below however make no changes of factory settings except for ds1 1 74
- Caution 75
- Dip switch detail 75
- Dip switch setting after changing the main pcb a1p to spare pcb after the replacement by the spare pcb be sure to make settings shown below when you change the main pcb a1p to spare pcb please carry out the following setting 75
- If the ds1 1 1 4 ds2 2 2 4 setting has not been carried out error code ua are displayed and unit can not be operated 75
- Initial conditions of dip switches 75
- Location of the dipswitches 75
- Make the following settings according to models of outdoor units all models are set to off at factory 75
- Refer ds1 1 4 ds2 1 4 setting detail on next page 75
- Dipswitch settings for the applicable models 76
- Factory setting 76
- H h h h h h h l 76
- H h k h h h h h 76
- H h k h h h h k 76
- Setting by bs button switches 76
- Setting mode 1 h1p off initial status when normal used to select ind batch also indicates during abnormal low noise control and demand control 76
- Setting mode 2 h1p on 76
- The following settings are made by bs button switches on pcb in case of ew q040ba 050ba 064ba various items should be set with the master unit setting with the slave unit is disabled the master unit and slave unit can be discriminated with the led display as shown below 76
- There are the following three setting modes 76
- Field setting from outdoor unit esie11 05 77
- Functional description 77
- Mode changing procedure 1 77
- Mode changing procedure 2 77
- Monitor mode h1p blinks used to check the program made in setting mode 2 77
- Used to modify the operating status and to set program addresses etc usually used in servicing the system 77
- Using the mode button the modes can be changed as follows 77
- Esie11 05 field setting from outdoor unit 78
- Functional description 67 78
- Procedure for changing cool heat selection setting 78
- Selection ind used to select by individual outdoor unit factory setting 78
- Selection master used to select the master unit 78
- Selection slave used to select 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 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 78
- Setting mode 1 78
- This mode is used to set and check the following items 1 set items in order to make selection in a batch of outdoor unit group change the setting 78
- Setting mode 2 79
- Running only on a std compressor gives no regulation and has chance on freeze up 80
- Esie11 05 field setting from outdoor unit 82
- Functional description 71 82
- K k h h k k k 82
- K k h k h k h 82
- Khhhhhk 82
- Khhhhkh 82
- Monitor mode 83
- Setting of low noise operation 84
- Setting of low noise operation and demand operation 84
- Image of operation in the case of a 85
- Image of operation in the case of a and b 85
- Image of operation in the case of b 85
- A when the demand operation is carried out by external contact with the use of the external control adaptor for outdoor unit 1 connect external control adaptor for outdoor unit and short circuit terminals as required refer above figure 2 while in setting mode 2 set the setting condition for set item no 12 setting of external low noise demand operation to yes 3 if necessary 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 86
- B when the normal demand operation is carried out use of the external control adaptor for outdoor unit is not required 1 while in setting mode 2 make setting of the set item no 32 setting of alternate 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 86
- By connecting the external contact input to the demand input of the outdoor unit external control adaptor optional the power consumption of unit operation can be saved suppressing the compressor operating condition 86
- Defrosting operation 86
- However the demand operation does not occur in the following operation modes 86
- If carrying out demand or low noise input connect the adaptor s terminals as shown below 86
- Pump down residual operation 86
- Setting of demand operation 86
- Startup control 86
- Detailed setting procedure of low noise operation and demand control 87
- Setting of refrigerant recovery mode 89
- Setting of vacuuming mode 90
- Remote controller 91
- Schedule timer 91
- Temperature read out for remote control 91
- Wired remote control ekruahtb brc21a52 91
- Field setting 92
- Field setting from remote control 92
- Wired remote control ekruahtb brc21a52 92
- Esie11 05 remote controller 94
- Field settings table 94
- Functional description 83 94
- Functional description 95
- Refer to page 92 where c 03 is explained 95
- Remote controller esie11 05 95
- 0 remote control setup 96
- 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 96
- 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 on page 91 for compensation values for leaving water temperature 96
- 02 setting not applicable 96
- 03 status defines whether the on off instruction can be used in the schedule timer for space heating refer to the operation manual for details how to program the schedule timer the schedule timer for space heating can be programmed in 2 different ways based on the temperature set point both leaving water temperature and room temperature and based on the on off instruction 96
- By default no level is defined so all buttons and functions are operable the actual permission level is determined by field setting for permission level 2 set field setting 0 00 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 in the same way 96
- By default space heating based on temperature set point method 1 is enabled so only temperature shifts are possible no on off instruction 96
- Level 2 level 3 96
- Permission 96
- A setback function 97
- During operation during schedule timer operation the operation led is lit continuously 97
- Functional description 97
- In the following tables both methods on how to interpret the schedule timer are shown 97
- Leaving water temperature 97
- Method 1 space heating based on temperature set poin 97
- Operation example schedule timer based on temperature set points when setback function is enabled the setback operation will have priority over the scheduled action in the schedule timer 97
- Remote controller esie11 05 97
- Room temperature 97
- Schedule timer 97
- Setback function 97
- T temperature set point 97
- T time 97
- The schedule timer for space heating and space cooling along with the quiet mode will be stopped and will not start again the schedule timer icon will not be displayed anymore 97
- The schedule timer for space heating will stop and will not start again the controller will be switched off operation led will stop working however the schedule timer icon will stay displayed which means that the domestic water heating stays enabled 97
- When both setback function and schedule timer are enabled 97
- When pushing the r p button 97
- When pushing the y button 97
- 04 status defines whether the on off instruction can be used in the schedule timer for cooling same as for 0 03 but for cooling schedule timer for cooling no setback function is available 98
- A setback function 98
- B on off instruction 98
- During operation when the schedule timer switches space heating off the controller will be switched off operation led will stop working 98
- Esie11 05 remote controller 98
- Functional description 87 98
- Leaving water temperature 98
- Method 2 space heating based on on off instruction 98
- Off on on 98
- Operation example schedule timer based on on off instruction 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 98
- Room temperature 98
- Schedule timer 98
- Setback function 98
- T temperature set point 98
- T time 98
- The schedule timer for space heating and space cooling along with the quiet mode will be stopped and will not start again the schedule timer icon will not be displayed anymore 98
- The schedule timer for space heating will stop when active at that moment and will start again at the next scheduled on function the last programmed command overrules the preceding programmed command and will remain active until the next programmed command occurs example imagine the actual time is 17 30 and actions are programmed at 13 00 16 00 and 19 00 the last programmed command 16 00 overruled the previous programmed command 13 00 and will remain active until the next programmed command 19 00 occurs so in order to know the actual setting one should consult the last programmed command it is clear that the last programmed command may date from the day before refer to the operation manual the controller will be switched off operation led will stop working however the schedule timer icon will stay displayed which means that the domestic heating stays enabled 98
- When both setback function and schedule timer are enabled 98
- When pushing the r p button 98
- When pushing the y button 98
- 00 status defines whether the setback function is turned on 1 or off 0 99
- 01 start time time at which setback is started 99
- 02 stop time time at which setback is stopped setback can be configured for both room temperature control and leaving water temperature control 99
- 1 automatic storage timing for domestic water heating 99
- 2 automatic setback function 99
- By default the setback function is enabled 99
- Not applicable 99
- Refer to 5 automatic setback and disinfection set point on page 89 for temperature set points 99
- Setback function for cooling does not exist 99
- Setback function is an automatic daily scheduled function 99
- 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 99
- The setback function can be combined with the automatic weather dependent set point operation 99
- 3 weather dependent set point 100
- 4 disinfection function 100
- 5 automatic setback and disinfection set point 100
- 6 option setup 101
- 7 option setup 101
- 8 option setup 102
- Automatic temperature compensation 102
- A option setup 103
- B domestic hot water set points 103
- C leaving water temperature limits 103
- Caution 103
- D domestic water heating retention times 103
- E service mode 104
- F option setup 104
- See installation operation manual 105
- Weekly schedual 105
- Part 3 troubleshooting 106
- Symptom based troubleshooting 7 2 malfunction codes and description 00 3 malfunction code indication by outdoor unit pcb 02 4 error codes 06 106
- Symptom based troubleshooting 108
- Malfunction codes and description 111
- The system operates for malfunction codes indicated in black squares however be sure to check and repair 112
- Detail description on next page 113
- Malfunction code indication by outdoor unit pcb 113
- Malfunction code indication by outdoor unit pcb esie11 05 113
- Push the mode bs1 button and returns to setting mode 1 113
- Push the return bs3 button and switches to the initial status of monitor mode 113
- Push the return bs3 button once to display first digit of malfunction code 113
- Push the set bs2 button and set the led display to a setting item 113
- Push the set bs2 button once to display malfunction location 113
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 113
- Push the set bs2 button once to display second digit of malfunction code 113
- Refer to monitor mode 113
- To enter the monitor mode push the mode bs1 button when in setting mode 1 113
- Troubleshooting 113
- Esie11 05 malfunction code indication by outdoor unit pcb 114
- Troubleshooting 103 114
- Detail description on next page 115
- Malfunction code indication by outdoor unit pcb esie11 05 115
- Push the mode bs1 button and returns to setting mode 1 115
- Push the return bs3 button and switches to the initial status of monitor mode 115
- Push the return bs3 button once to display first digit of malfunction code 115
- Push the set bs2 button and set the led display to a setting item 115
- Push the set bs2 button once to display malfunction location 115
- Push the set bs2 button once to display master or slave 1 or slave 2 and malfunction location 115
- Push the set bs2 button once to display second digit of malfunction code 115
- Refer to monitor mode 115
- To enter the monitor mode push the mode bs1 button when in setting mode 1 115
- Troubleshooting 115
- Esie11 05 malfunction code indication by outdoor unit pcb 116
- Troubleshooting 105 116
- Error codes 117
- Troubleshooting 117
- Esie11 05 error codes 118
- Troubleshooting 118
- Troubleshooting 107 118
- Troubleshooting 120
- Troubleshooting 121
- Troubleshooting 122
- 1 pull out and insert the connector once and check it is absolutely connected 123
- Troubleshooting 123
- Troubleshooting 124
- Troubleshooting 125
- Troubleshooting 126
- A1p or a5p 127
- Troubleshooting 127
- Troubleshooting 128
- Troubleshooting 130
- Troubleshooting 132
- Troubleshooting 134
- Troubleshooting 135
- Troubleshooting 137
- Troubleshooting 140
- Troubleshooting 141
- Troubleshooting 142
- Troubleshooting 143
- Troubleshooting 144
- Troubleshooting 145
- Troubleshooting 146
- Troubleshooting 147
- Troubleshooting 148
- Error codes esie11 05 149
- Troubleshooting 149
- Troubleshooting 150
- Troubleshooting 151
- Troubleshooting 152
- Troubleshooting 154
- Troubleshooting 155
- Troubleshooting 157
- Troubleshooting 159
- Troubleshooting 162
- Troubleshooting 164
- Troubleshooting 166
- Troubleshooting 167
- Troubleshooting 168
- Troubleshooting 169
- Troubleshooting 171
- Troubleshooting 173
- Esie11 05 error codes 174
- Troubleshooting 174
- Troubleshooting 163 174
- Troubleshooting 175
- Troubleshooting 176
- Error codes esie11 05 177
- Troubleshooting 177
- Troubleshooting 178
- Troubleshooting 179
- Check 1 180
- Check 2 181
- Check 3 182
- Esie11 05 error codes 182
- Troubleshooting 171 182
- Check 4 183
- Check 5 184
- Check 6 185
- Check 14 186
- Check 15 187
- List of electrical and functional parts 78 188
- Part 4 service procedure 188
- Procedure for software upload hydrobox 94 188
- Thermistor resistance temperature characteristics 81 3 pressure sensor 83 4 method of checking the inverter s power transistors and diode modules 84 5 options 86 188
- Ew q016ba 189
- List of electrical and functional parts 189
- Ew q021ba 025ba 040ba 050ba 190
- Ew q032ba 064ba 191
- Esie11 05 thermistor resistance temperature characteristics 192
- Indoor unit for suction air r1t for liquid pipe r2t for gas pipe r3t 192
- Outdoor unit for fin thermistor r1t 192
- Outdoor unit for outdoor air r1t for coil r2t for suction pipe r4t for receiver gas pipe r5t for receiver outlet liquid pipe r6t 192
- Service procedure 181 192
- Thermistor resistance temperature characteristics 192
- Outdoor unit thermistors for discharge pipe r3t r31 193
- Service procedure 193
- Thermistor resistance temperature characteristics esie11 05 193
- Esie11 05 pressure sensor 194
- Pressure sensor 194
- Service procedure 183 194
- Abnormal voltage e g overvoltage surge thunder or unbalanced voltage in order to replace the faulty inverter be sure to check for the points aforementioned 195
- According to the checking aforementioned it is probed that the malfunction results from the faulty inverter the following section describes supposed causes of the faulty inverter 195
- Electronic circuit 195
- Entry of conductive foreign particles 195
- Faulty compressor ground leakage 195
- Faulty fan motor ground leakage 195
- Inverter pcb 195
- Method of checking the inverter s power transistors and diode modules 195
- Method of checking the inverter s power transistors and diode modules esie11 05 195
- Service procedure 195
- To make measurement disconnect all connectors and terminals 195
- Diode module checking 196
- Power module checking 196
- When using the analog type of multiple tester make measurement in resistance measurement mode in the x1k ω range 196
- When using the digital type of multiple tester make measurement in diode check mode 196
- Ekrp1aht 197
- General 197
- Options 197
- Cooling heating 198
- Explanation 198
- Field settings 198
- Operation on off 198
- Thermostat on off 198
- Inputs ekrp1aht outputs x2m 199
- Summary 199
- Dta104a62 200
- General 200
- Installation 200
- Field wiring 201
- Information 201
- Esie11 05 options 202
- For details refer to the wiring diagram located on the rear of the unit service panel 202
- Names of parts and functions 202
- Service procedure 191 202
- Field setting 203
- How to set demand control in the field 203
- Procedure for software upload hydrobox 205
- What do you need 205
- Software upload procedure 206
- Step 1 206
- Step 2 206
- Step 3 206
- Step 4 207
- Step 5 207
- Step 6 207
- Step 7 207
- Step 8 207
- Step 10 211
- Step 11 211
- Step 9 211
- Close the indoor unit 212
- New software eb08014 c 212
- Reconnect the power supply and start up the unit again 212
- Step 12 212
- Step 13 212
- Step 14 212
- Part 5 commissioning and test run 214
- Test run 04 214
- Installation process 215
- Test run 215
- Check work prior to turn power supply on 216
- Procedure and outline 216
- Be sure to turn the power on 6 hours before starting operation to protect 217
- Check for normal operation 217
- Check the led display of the outdoor unit pcb 217
- Check to be sure the transmission is normal the transmission is normal if the leds display conditions as shown in table below 217
- Commissioning and test run 217
- Compressors to power on crankcase heater 217
- Conduct check operations 217
- Make field settings if needed for the setting procedure refer to information in field setting from outdoor unit for ew q040ba ew q050ba and ew q064ba make field settings with the master unit field settings made with the slave unit will be all invalid 217
- Make field settings with outdoor unit pcb 217
- Test run esie11 05 217
- The check operations shown below will be automatically initiated check for erroneous wirings check for failure to open stop valves 217
- The master unit is the outdoor unit next to the hydrobox the other outdoor unit is the slave 217
- Turn outdoor unit and indoor unit power on 217
- Turn power on 217
- Before test run 218
- Onsite settings 218
- Onsite settings with the power on 218
- Test run 218
- Warning 218
- 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 status 219
- Caution 219
- Hydrobox or outdoor unit pcb has been changed 219
- Operation when power is turned on 219
- Tap the reset button on the outdoor unit pcb 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 219
- The unit cannot be run for up to 12 minutes to automatically set the master power and address status 219
- When the 400 volt power supply is applied to n phase by mistake replace inverter pcb a2p and control transformer t1r t2r in switch box together 219
- When turning on power first time 219
- When turning on power the second time and subsequent 219
- Maintenance of the main parts 11 220
- Part 6 maintenance 220
- Precautions 221
- Compressor 222
- Evaporator and condenser 222
- Flow switch and pump interlock 222
- Maintenance of the main parts 222
- Preventive maintenance 222
- Unit casing 222
- Unit switch box 222
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