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Daikin EWYQ005AAV3P [7/170] Introduction
![Daikin EWYQ005AAV3P [7/170] Introduction](/views2/1669416/page7/bg7.png)
ESIE06-04 Introduction
i
3
4
5
Part 0
1Introduction
1.1 About This Manual
Target group This service manual is intended for and should only be used by qualified engineers.
Purpose of this
manual
This service manual contains all the information you need to carry out the necessary repair and
maintenance tasks for the EWA(Y)Q005~007A*V3.
EWA(Y)Q005~007A
*V3
The Daikin EWA(Y)Q005~007A*V3 air to water unit:
P Is designed for outdoor installation.
P Is used for cooling and heating applications.
P Is available in three standard sizes with nominal cooling capacities ranging from 5 kW to 7 kW.
Before starting Before starting up the unit for the first time, make sure it has been properly installed. ‘‘Pre-Test Run
Checks” on page 4-3.
Содержание
- Service manual 1
- Functional diagrams 3
- General outline mini chiller 3
- Introduction 3
- Part 1 system outline 3
- Piping diagrams 3
- Specifications 3
- Switch box layout 3
- Table of contents 3
- General functionality 4
- Hydro kit functional concept 4
- Outdoor unit functional concept 4
- Part 2 functional description 4
- Pcb layout 4
- Wiring diagrams 4
- Error codes hydro kit 5
- Error codes outdoor units 5
- Error codes system malfunctions 5
- Part 3 troubleshooting 5
- Troubleshooting 5
- Additional checks for troubleshooting 6
- Field settings 6
- Operation range and test operation 6
- Part 4 commissioning and test run 6
- Pre test run checks 6
- About this manual 7
- Introduction 7
- Part 0 7
- Part 1 system outline 9
- General outline mini chiller 11
- Part 1 11
- What is in this chapter 11
- 4 part 1 system outline 12
- Ewa y q005 007a v3 outlook and dimensions 12
- General outline mini chiller esie06 04 12
- Installation and service space see page 1 6 12
- Minimum space for air passage 12
- Outlook and dimensions the illustration below shows the outlook and the dimensions of the unit mm 12
- Ewa y q005 007a v3 installation and service space 14
- Part 1 15
- Specifications 15
- What is in this chapter 15
- 8 part 1 system outline 16
- Ewa y q005 007a v3 16
- Specifications esie06 04 16
- Technical specifications the table below contains the technical specifications 16
- Esie06 04 specifications 17
- Part 1 system outline 1 9 17
- 10 part 1 system outline 18
- Specifications esie06 04 18
- Electrical specifications the table below contains the electrical specifications 19
- Esie06 04 specifications 19
- Part 1 system outline 1 11 19
- Functional diagrams 21
- Part 1 21
- What is in this chapter 21
- Pipe connection diameters 22
- Part 1 23
- Piping diagrams 23
- What is in this chapter 23
- 16 part 1 system outline 24
- Ewa y q005 007a v3 24
- Field installation 24
- Piping diagrams esie06 04 24
- Refr side 24
- Water side 24
- Components the table below contains the different components of the functional diagrams 25
- Esie06 04 piping diagrams 25
- No name 25
- Part 1 system outline 1 17 25
- Part 1 27
- Switch box layout 27
- What is in this chapter 27
- Ewa y q005 007a v3 outdoor 28
- Ewa y q005 007a v3 hydro kit 30
- Part 1 31
- What is in this chapter 31
- Wiring diagrams 31
- 24 part 1 system outline 32
- Ewa y q005 007a v3 32
- Wiring diagram the illustration below shows the wiring diagram of the unit 32
- Wiring diagrams esie06 04 32
- Blk black 33
- Blu blue 33
- Brn brown 33
- Connector 33
- Do not operate the unit by short circuiting protection devices q1l s1l 33
- Esie06 04 wiring diagrams 33
- Field wiring 33
- Grn green 33
- Gry grey 33
- Org orange 33
- Part 1 system outline 1 25 33
- Pnk pink 33
- Protective earth 33
- Red red 33
- Terminal 33
- Terminal strip 33
- This wiring diagram only applies to the outdoor unit 33
- Vio violet 33
- Wht white 33
- Ylw yellow 33
- Part 1 35
- Pcb layout 35
- What is in this chapter 35
- Ewa y q005 007a v3 outdoor 36
- Ewa y q005 007a v3 hydro kit 40
- Part 2 functional description 43
- General functionality 45
- Part 2 45
- What is in this chapter 45
- Preheating operation 46
- Four way valve switching 47
- Freeze up protection control 48
- Hydro kit functional concept 49
- Part 2 49
- What is in this chapter 49
- 8 part 2 functional description 50
- Conditions for canceling defrost the judgment must be made with heat exchanger temperature 4 c 12 c 50
- Conditions for starting defrost the starting conditions must be made with the outdoor air temperature and heat exchanger temperature under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 44 minutes of accumulated time pass since the start of the operation or ending the defrosting 50
- Defrost control 50
- Defrosting is carried out by the cooling cycle reverse cycle the defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing 50
- Hydro kit functional concept esie06 04 50
- Outline heat pump 50
- Forced operation model 51
- Outdoor unit functional concept 53
- Part 2 53
- What is in this chapter 53
- Frequency principle 54
- Frequency control 56
- Controls at mode changing start up 58
- Discharge pipe temperature control 59
- Input current control 60
- Heating peak cut control 61
- Fan control 62
- In order to obtain the dependability of the compressor the compressor must be stopped according to the conditions of the temperature of the outdoor air and outdoor heat exchange 63
- Liquid compression protection function 2 63
- Low hz high pressure limit 64
- Electronic expansion valve controll 65
- 24 part 2 functional description 66
- Detail the followings are the examples of control which function in each mode by the electronic expansion valve control 66
- Fully closing with power on 66
- Initialize the electronic expansion valve when turning on the power set the opening position and develop pressure equalizing 66
- Only for heat pump model 66
- Outdoor unit functional concept esie06 04 66
- Disconnection of the discharge pipe thermistor 67
- High temperature of the discharge pipe 67
- Opening limit 67
- Pressure equalization control 67
- Starting operation control 67
- Control when frequency is changed 68
- Target discharge pipe temperature control 68
- Detection of overload and over current 69
- Malfunctions 69
- Sensor malfunction detection 69
- Insufficient gas control 70
- With the conventional function a power consumption is weak comparing with that in the normal operation when gas is insufficient and gas insufficiency is detected by checking a power consumption 70
- Part 3 troubleshooting 71
- Part 3 73
- Troubleshooting 73
- What is in this chapter 73
- 4 part 3 troubleshooting 74
- Inspection mode 74
- Local setting mode 74
- Normal mode 74
- Procedure of self diagnosis by remote controller 74
- Remark above information is general not all settings are applicable for mini chiller 74
- Service mode 74
- Test operation mode 74
- The following modes can be selected by using the inspection test operation button on the remote control 74
- The inspection test button 74
- Troubleshooting esie06 04 74
- Fault diagnosis by remote controller 75
- Overview of error codes 76
- Error codes hydro kit 77
- Part 3 77
- What is in this chapter 77
- A1 hydro kit pcb abnormality 78
- A5 freeze up protection control or high pressure control 79
- C4 81 80 80
- C4 81 80 thermistor or related abnormality hydro kit 80
- Error codes outdoor units 81
- Part 3 81
- What is in this chapter 81
- E1 outdoor unit pcb abnormality 82
- E5 ol activation compressor overload 83
- Stop valve defective 83
- 14 part 3 troubleshooting 84
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 84
- Check no 1 on page 3 59 84
- Check no 4 on page 3 51 84
- Check no 5 on page 3 52 84
- Check no 6 on page 3 53 84
- Error codes outdoor units esie06 04 84
- See also 84
- Troubleshooting 84
- A compressor lock is detected by checking the compressor running condition through the position detection circuit 85
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 85
- Clearing condition continuous run for about 5 minutes normal 85
- Compressor locked 85
- E6 compressor lock 85
- Error code 85
- Esie06 04 error codes outdoor units 85
- Judging from current waveform generated when high frequency voltage is applied to the compressor 85
- Malfunction decision conditions 85
- Method of malfunction detection 85
- Part 3 troubleshooting 3 15 85
- Supposed causes 85
- The system will be shut down if the error occurs 16 times 85
- Troubleshooting 85
- E7 dc fan lock 86
- Foreign matters stuck in the fan 86
- E8 input over current detection 87
- Over current due to short circuit 87
- 18 part 3 troubleshooting 88
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 88
- Check no 4 on page 3 62 88
- Check no 7 on page 3 55 88
- Check no 8 on page 3 56 88
- Error codes outdoor units esie06 04 88
- See also 88
- Troubleshooting an input over current may result from wrong internal wiring if the wires have been disconnected and reconnected for part replacement for example and the system is interrupted by an input over current take the following procedure 88
- Ea four way valve abnormality 89
- 20 part 3 troubleshooting 90
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 90
- Check no 1 on page 3 59 90
- Check no 5 on page 3 52 90
- Check no 6 on page 3 53 90
- Error codes outdoor units esie06 04 90
- See also 90
- Troubleshooting 90
- F3 discharge pipe temperature control 91
- Stop valve defective 91
- 22 part 3 troubleshooting 92
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 92
- Check no 1 on page 3 59 92
- Check no 4 on page 3 51 92
- Check no 6 on page 3 53 92
- Error codes outdoor units esie06 04 92
- See also 92
- Troubleshooting 92
- F6 high pressure control in cooling 93
- 24 part 3 troubleshooting 94
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 94
- Check no 4 on page 3 51 94
- Check no 6 on page 3 53 94
- Check no 7 on page 3 55 94
- Check no 9 on page 3 57 94
- Error codes outdoor units esie06 04 94
- See also 94
- Troubleshooting 94
- H0 compressor sensor system abnormality 95
- 26 part 3 troubleshooting 96
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 96
- Error codes outdoor units esie06 04 96
- Troubleshooting 96
- H6 compressor startup failure 97
- 28 part 3 troubleshooting 98
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 98
- Error codes outdoor units esie06 04 98
- See also check no 3 on page 3 61 98
- Troubleshooting 98
- H8 ct or related abnormality 99
- Outdoor unit pcb defective 99
- 30 part 3 troubleshooting 100
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 100
- Check the supply voltage 100
- Correct the power supply or replace the pm1 replace the outdoor unit pcb 100
- Error codes outdoor units esie06 04 100
- Inverter checker part no 1225477 100
- Replace the compressor 100
- Replace the outdoor unit pcb 100
- See also check no 2 on page 3 60 100
- Troubleshooting 100
- Condenser thermistor defective in the case of 101
- Error outdoor unit heat exchanger thermistor in the cooling mode or hydro kit heat exchanger thermistor in the heating mode 101
- P4 j3 j6 h9 101
- P4 j3 j6 h9 thermistor or related abnormality outdoor unit 101
- 32 part 3 troubleshooting 102
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 102
- Error codes outdoor units esie06 04 102
- P4 radiation fin thermistor j3 discharge pipe thermistor j6 outdoor heat exchanger thermistor h9 outdoor air thermistor 102
- See also check no 6 on page 3 53 102
- Troubleshooting 102
- L3 switch box temperature rise 103
- Outdoor unit pcb defective 103
- 34 part 3 troubleshooting 104
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 104
- Check no 6 on page 3 53 104
- Check no 7 on page 3 55 104
- Check no 9 on page 3 57 104
- Error codes outdoor units esie06 04 104
- See also 104
- Troubleshooting 104
- Connector in poor contact 105
- L4 radiation fin temperature rise 105
- 36 part 3 troubleshooting 106
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 106
- Check no 6 on page 3 53 106
- Check no 7 on page 3 55 106
- Check no 9 on page 3 57 106
- Error codes outdoor units esie06 04 106
- See also 106
- Troubleshooting 106
- L5 output over current detection 107
- Over current due to poor installation condition 107
- 38 part 3 troubleshooting 108
- Error codes outdoor units esie06 04 108
- Troubleshooting 1 an output over current may result from wrong internal wiring if the wires have been disconnected and reconnected for part replacement for example and the system is interrupted by an output over current take the following procedure 108
- 40 part 3 troubleshooting 110
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 110
- Check no 4 on page 3 51 110
- Check no 6 on page 3 53 110
- Error codes outdoor units esie06 04 110
- See also 110
- Troubleshooting 2 110
- Error codes system malfunctions 111
- Part 3 111
- What is in this chapter 111
- Electronic expansion valve defective 112
- U0 insufficient gas 112
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 113
- Check no 4 on page 3 51 113
- Check no 6 on page 3 53 113
- Esie06 04 error codes system malfunctions 113
- Part 3 troubleshooting 3 43 113
- See also 113
- Troubleshooting 113
- 44 part 3 troubleshooting 114
- An abnormal voltage rise or drop is detected by checking the detection circuit or dc voltage detection circuit 114
- An over voltage signal is fed from the over voltage detection circuit to the microcomputer or the voltage being detected by the dc voltage detection circuit is judged to be below 150 v for 0 second 114
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 114
- Clearing condition continuous run for about 60 minutes normal 114
- Error code 114
- Error codes system malfunctions esie06 04 114
- Make sure the power has been off for at least 30 seconds 114
- Malfunction decision conditions 114
- Method of malfunction detection 114
- Over voltage detector or dc voltage detection circuit defective 114
- Pam control part s defective 114
- Supply voltage not as specified 114
- Supposed causes 114
- The system will be shut down if the error occurs 16 times 114
- Troubleshooting 114
- U2 low voltage detection or over voltage detection 114
- And outdoor units 115
- Outdoor unit signal transmission error due to breaking of wire in the connection wires between the 115
- U4 signal transmission error between hydro kit and outdoor units 115
- 46 part 3 troubleshooting 116
- Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 116
- Error codes system malfunctions esie06 04 116
- See also check no 0 on page 3 58 116
- Troubleshooting 116
- Defective outdoor unit pcb 117
- U7 malfunction of transmission between remote controller and control box 117
- Additional checks for troubleshooting 119
- Part 3 119
- What is in this chapter 119
- Fan motor connector output check 120
- Electronic expansion valve check 121
- Please note that the latching sound varies depending on the valve type 121
- 52 part 3 troubleshooting 122
- Additional checks for troubleshooting esie06 04 122
- Check no 5 122
- Four way valve performance check 122
- Thermistor resistance check 123
- 54 part 3 troubleshooting 124
- Additional checks for troubleshooting esie06 04 124
- R25 20k ω b 3950 124
- Check no 7 125
- Esie06 04 additional checks for troubleshooting 125
- Installation condition check 125
- Part 3 troubleshooting 3 55 125
- 56 part 3 troubleshooting 126
- Additional checks for troubleshooting esie06 04 126
- Check no 8 126
- Discharge pressure check 126
- Check no 9 127
- Esie06 04 additional checks for troubleshooting 127
- Outdoor unit fan system check with dc motor 127
- Part 3 troubleshooting 3 57 127
- Power supply waveforms check 128
- Check no 1 129
- Esie06 04 additional checks for troubleshooting 129
- Inverter units refrigerant system check 129
- Part 3 troubleshooting 3 59 129
- 60 part 3 troubleshooting 130
- Additional checks for troubleshooting esie06 04 130
- Before this checking be sure to check the main circuit for short circuit 130
- Capacitor voltage check 130
- Check no 2 130
- Checking the capacitor voltage 130
- With the circuit breaker still on measure the voltage according to the drawing of the model in question be careful never to touch any live parts 130
- Power transistor check 131
- Main circuit electrolytic capacitor check 132
- Propeller fan motor s70 133
- Turning speed pulse input on the outdoor unit pcb check 133
- Inverter checker check 134
- Part 4 commissioning and test run 137
- Part 4 139
- Pre test run checks 139
- What is in this chapter 139
- Test run checks for water pipework 140
- General test run checks 142
- Field settings 143
- Part 4 143
- What is in this chapter 143
- How to change the field settings with the wired remote controller 144
- Overview of the field settings by remote control 146
- Setting 0 user permission level 148
- Setting 1 weather dependent set point heating operation only 149
- Setting 2 disinfection function not applicable 150
- Setting 3 auto restart 151
- Setting 4 backup heater operation 151
- Setting 5 equilibrium temperature and space heating priority temperature not applicable 152
- 00 start temperature difference determining the heat pump on temperature 153
- 01 stop temperature difference determining the heat pump off temperature 153
- Esie06 04 field settings 153
- Heat pump off temperature 153
- Heat pump on temperature 153
- Heating of the sanitary water by the heat pump will be started as soon as the sanitary water temperature reaches the heat pump off temperature 153
- Heating of the sanitary water by the heat pump will be stopped by switching the 3 way valve 153
- Maximum heat pump temperature at sensor in sanitary water tank 50 c 153
- Or the user set point temperature 153
- Outline applies only to installations with a sanitary water tank 153
- Overview 153
- Part 4 commissioning and test run 4 17 153
- See illustration 153
- Setting 6 dt for sanitary water heating heat pump not applicable 153
- The dt delta temperature for sanitary water heating field settings determine the temperatures at which heating of the sanitary water by the heat pump will be started i e the heat pump on temperature and stopped i e the heat pump off temperature when the sanitary water temperature drops below the heat pump on temperature 153
- The heat pump off temperature and the heat pump on temperature and its relation with field settings 6 00 and 6 01 are explained in the illustration below 153
- User set point as set on the user interface 153
- 00 sanitary water step length temperature difference above the sanitary water set point temperature before the booster heater is turned off 154
- 18 part 4 commissioning and test run 154
- Bh booster heater 154
- Booster heater off temperature 154
- Booster heater on temperature 154
- Field settings esie06 04 154
- Heat pump off temperature 154
- Heat pump on temperature 154
- Hp heat pump if heating up time by the heat pump takes too long auxiliary heating by the booster heater can take place 154
- Maximum heat pump temperature at sensor in sanitary water tank 50 c 154
- Outline applies only to installations with a sanitary water tank 154
- Overview 154
- Remark if the schedule timer for booster heater see the operation manual is active the booster heater will only operate if allowed by this schedule timer 154
- Sanitary water temperature 154
- Setting 7 sanitary water step length not applicable 154
- Ta time 154
- User set point temperature as set on the user interface 154
- When the sanitary water is heated and the sanitary water set point temperate as set by the user has been reached the booster heater will continue to heat the sanitary water to a temperature a few degrees above the set point temperature i e the booster heater off temperature these extra degrees are specified by the sanitary water step length field setting correct setting prevents the booster heater from repeatedly turning on and off i e chattering to maintain the sanitary water set point temperature note the booster heater will turn back on when the sanitary water temperature drops 2 c fixed value below the booster heater off temperature 154
- Setting 8 sanitary water heating mode timer not applicable 155
- Setting 9 cooling and heating setpoint limitation 156
- Dip switch settings general overview 157
- Field setting by dip switches from hydro kit 157
- Dip switch settings room thermostat installation configuration 158
- Dip switch settings pump configuration 159
- Dip switch settings sanitary watertank installation configuration not applicable 160
- Operation range and test operation 161
- Part 4 161
- 26 part 4 commissioning and test run 162
- Operation range 162
- Operation range and test operation esie06 04 162
- Operation range cooling mode the illustration below shows the operation range cooling mode 162
- Operation range heating mode the illustration below shows the operation range heating mode 162
- Esie06 04 operation range and test operation 163
- Operation range sanitary mode not applicable 163
- Part 4 commissioning and test run 4 27 163
- The illustration below shows the operation range sanitary mode 163
- Test operation 164
- To prevent any trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed and judgment of refrigerant shortage 164
- Chart the illustration below shows the external static pressure chart 165
- Esie06 04 operation range and test operation 165
- External static pressure chart 165
- Part 4 commissioning and test run 4 29 165
- Esie06 04 167
- Index i 167
- Numerics 167
- Esie06 04 168
- Ii index 168
- Esie06 04 169
- Index iii 169
- Esie06 04 170
- Iv index 170
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