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Daikin EUWYP10KAZW1 [127/215] Part 3 troubleshooting
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ESIE04-03
Part 3 – Troubleshooting 3–1
4
3
4
5
3
Part 3
Troubleshooting
Introduction The small water chillers EUWA*5-24KAZW1 and EUWY*5-24KAZW1 are equipped with a µchiller
controller and an I/O (input/output) PCB. These PCB’s use the information gained from the input
signals to control the output signals. If the unit is not performing properly, first check the input devices,
then the PCB’s and finally the output devices.
What is in this part? This part contains the following chapters:
Chapter See page
1–Inputs and Outputs Overview 3–3
2–Malfunction Indications and Safeties Overview 3–7
3–Checking the Inputs and Outputs 3–13
4–Troubleshooting 3–23
Содержание
- Euwa 5 24kazw1 r 407c euwy 5 24kazw1 r 407c small air cooled chillers and heat pump 1
- Service manual 1
- Service manual small air cooled chillers and heat pump esie04 03 1
- Service manual 2
- General outline 3
- Introduction 3
- Part 1 system outline 3
- Piping layout 3
- Table of contents 3
- Functional description 4
- Part 2 functional description 4
- Wiring layout 4
- Checking the inputs and outputs 5
- Inputs and outputs overview 5
- Malfunction indications and safeties overview 5
- Part 3 troubleshooting 5
- The digital controller 5
- Part 4 commissioning and test run 6
- Pre test run checks 6
- Troubleshooting 6
- Maintenance 7
- Part 5 maintenance 7
- Test run and operation data 7
- About this manual 9
- Introduction 9
- Part 0 9
- Part 1 system outline 11
- General outline 13
- Part 1 13
- What is in this chapter 13
- Esie04 03 general outline 15
- Part 1 system outline 1 5 15
- Technical specifications euwa 5 8kazw1 15
- Technical specifications the table below contains the technical specifications 15
- 6 part 1 system outline 16
- For reduced setting multiply this water volume by 3 new setting 16
- General outline esie04 03 16
- Minimum allowable setting 0 k 16
- Setting euwa 5 8kazw1 16
- The minimum water volume for standard thermostat difference setting 3 k 16
- The sound power level is an absolute value that does not depend on the surroundings or the distance it cannot be measured in the field iso 9614 16
- The table below contains the minimum water volume settings 16
- 8 part 1 system outline 18
- General outline esie04 03 18
- Technical specifications euwa 10 12kazw1 18
- Technical specifications the table below contains the technical specifications 18
- Esie04 03 general outline 19
- For reduced setting multiply this water volume by 3 new setting 19
- Minimum allowable setting 0 k 19
- Part 1 system outline 1 9 19
- Setting euwa 10 12kazw1 19
- The minimum water volume for standard thermostat difference setting 3 k 19
- The table below contains the minimum water volume settings 19
- Esie04 03 general outline 21
- Part 1 system outline 1 11 21
- Technical specifications euwa 16 20kazw1 21
- Technical specifications the table below contains the technical specifications 21
- 12 part 1 system outline 22
- For reduced setting multiply this water volume by 3 new setting 22
- General outline esie04 03 22
- Minimum allowable setting 0 k 22
- Setting euwa 16 20kazw1 22
- The minimum water volume for standard thermostat difference setting 3 k 22
- The sound power level is an absolute value that does not depend on the surroundings or the distance it cannot be measured in the field iso 9614 22
- The table below contains the minimum water volume settings 22
- 14 part 1 system outline 24
- General outline esie04 03 24
- Technical specifications euwa 24kazw1 24
- Technical specifications the table below contains the technical specifications 24
- Esie04 03 general outline 25
- For reduced setting multiply this water volume by 3 new setting 25
- Minimum allowable setting 0 k 25
- Part 1 system outline 1 15 25
- Setting euwa 24kazw1 25
- The minimum water volume for standard thermostat differ ence setting 3 k 25
- The sound power level is an absolute value that does not depend on the surroundings or the distance it cannot be measured in the field iso 9614 25
- The table below contains the minimum water volume settings 25
- Esie04 03 general outline 27
- Part 1 system outline 1 17 27
- Technical specifications euwy 5 8kazw1 27
- Technical specifications the table below contains the technical specifications 27
- 18 part 1 system outline 28
- For reduced setting multiply this water volume by 3 new setting 28
- General outline esie04 03 28
- Minimum allowable setting 0 k 28
- Setting euwy 5 8kazw1 28
- The minimum water volume for standard thermostat difference setting 3 k 28
- The table below contains the minimum water volume settings 28
- 20 part 1 system outline 30
- General outline esie04 03 30
- Technical specifications euwy 10 12kazw1 30
- Technical specifications the table below contains the technical specifications 30
- Esie04 03 general outline 31
- For reduced setting multiply this water volume by 3 new setting 31
- Minimum allowable setting 0 k 31
- Part 1 system outline 1 21 31
- Setting euwy 10 12kazw1 31
- The minimum water volume for standard thermostat difference setting 3 k 31
- The table below contains the minimum water volume settings 31
- Esie04 03 general outline 33
- Part 1 system outline 1 23 33
- Technical specifications euwy 16 20kazw1 33
- Technical specifications the table below contains the technical specifications 33
- 24 part 1 system outline 34
- For reduced setting multiply this water volume by 3 new setting 34
- General outline esie04 03 34
- Minimum allowable setting 0 k 34
- Setting euwy 16 20kazw1 34
- The minimum water volume for standard thermostat difference setting 3 k 34
- The table below contains the minimum water volume settings 34
- 26 part 1 system outline 36
- General outline esie04 03 36
- Technical specifications euwy 24kazw1 36
- Technical specifications the table below contains the technical specifications 36
- Esie04 03 general outline 37
- For reduced setting multiply this water volume by 3 new setting 37
- Minimum allowable setting 0 k 37
- Part 1 system outline 1 27 37
- Setting euwy 24kazw1 37
- The minimum water volume for standard thermostat differ ence setting 3 k 37
- The table below contains the minimum water volume settings 37
- Correction factors for glycol 39
- Electrical specifications euwa 5 8kazw1 41
- Electrical specifications the table below contains the electrical specifications 41
- Esie04 03 general outline 41
- Part 1 system outline 1 31 41
- Electrical specifications euwa 10 12kazw1 43
- Electrical specifications the table below contains the electrical specifications 43
- Esie04 03 general outline 43
- Part 1 system outline 1 33 43
- Electrical specifications euwa 16 20kazw1 45
- Electrical specifications the table below contains the electrical specifications 45
- Esie04 03 general outline 45
- Part 1 system outline 1 35 45
- Electrical specifications euwa 24kazw1 47
- Electrical specifications the table below contains the electrical specifications 47
- Esie04 03 general outline 47
- Part 1 system outline 1 37 47
- Electrical specifications euwy 5 8kazw1 49
- Electrical specifications the table below contains the electrical specifications 49
- Esie04 03 general outline 49
- Part 1 system outline 1 39 49
- Electrical specifications euwy 10 12kazw1 51
- Electrical specifications the table below contains the electrical specifications 51
- Esie04 03 general outline 51
- Part 1 system outline 1 41 51
- Electrical specifications euwy 16 20kazw1 53
- Electrical specifications the table below contains the electrical specifications 53
- Esie04 03 general outline 53
- Part 1 system outline 1 43 53
- Electrical specifications euwy 24kazw1 55
- Electrical specifications the table below contains the electrical specifications 55
- Esie04 03 general outline 55
- Part 1 system outline 1 45 55
- Outlook drawing euwan5 8kazw1 euwyn5 8kazw1 57
- Outlook drawing euwap5 8kazw1 euwyp5 8kazw1 58
- Outlook drawing euwab5 8kazw1 euwyb5 8kazw1 59
- Outlook drawing euwan10 12kazw1 euwyn10 12kazw1 60
- Outlook drawing euwap10 12kazw1 euwyp10 12kazw1 61
- Outlook drawing euwab10 12kazw1 euwyb10 12kazw1 63
- Outlook drawing euwan16kazw1 euwyn16kazw1 65
- Outlook drawing euwap16kazw1 euwyp16kazw1 66
- Outlook drawing euwab16kazw1 euwab16kazw1 67
- Outlook drawing euwan20 24kazw1 euwyn20 24kazw1 68
- Outlook drawing euwap20 24kazw1 euwyp20 24kazw1 69
- Outlook drawing euwab20 24kazw1 euwyb20 24kazw1 71
- Part 1 73
- Piping layout 73
- What is in this chapter 73
- Installation outline 74
- Esie04 03 piping layout 75
- Functional diagram refrigeration circuit euwa 5 24kazw1 75
- Functional diagram the illustration below shows the functional diagram of the refrigeration circuit of euwa 5 24kazw1 it is also applicable for glycol applications 75
- Part 1 system outline 1 65 75
- 68 part 1 system outline 78
- Functional diagram refrigeration circuit euwy 5 24kazw1 78
- Functional diagram the illustration below shows the functional diagram of the refrigeration circuit of euwy 5 24kazw1 it is also applicable for glycol applications 78
- Piping layout esie04 03 78
- Part 1 81
- What is in this chapter 81
- Wiring layout 81
- Main functions of the euwa 5 24kazw1 and euwy 5 24kazw1 82
- Switch box layout euwa 5 24kazw1 and euwy 5 24kazw1 83
- Esie04 03 wiring layout 85
- Part 1 system outline 1 75 85
- Pcb layout of the euwa 5 24kazw1 and euwy 5 24kazw1 85
- Pcb layout the illustration below shows the i o pcb layout of chiller types euwa 5 24kazw1 and euwy 5 24kazw1 85
- 80 part 1 system outline 90
- Addres card 90
- Diagram 90
- For ac16 24 90
- For ac5 12 90
- Only for units with buffertank 90
- Option kit ekac10b 90
- Option kit ekrumc 90
- Option op10 90
- Remote user interface 90
- Wiring diagram euwa 5 24kazw1 and euwy 5 24kazw1 90
- Wiring layout esie04 03 90
- Ac16 24 91
- Applicable for unit without integrated pump 91
- Esie04 03 wiring layout 91
- For ac16 24 91
- For ac5 12 for ac5 12 91
- For units with integrated pump 91
- For units without integrated pump 91
- Not possible as option poss as option 91
- Not standard included 91
- Obligatory not obligatory 91
- Only for 16 24hp 91
- Only for ac16 24 91
- Only for ac16 24 heatpump 91
- Only for ac5 24 heatpump 91
- Only for heatpump only for ac16 24 91
- Part 1 system outline 1 81 91
- Part 2 functional description 93
- Functional description 95
- Part 2 95
- What is in this chapter 95
- Operational range euwa 5 24kazw1 96
- Esie04 03 functional description 97
- Operational range euwy 5 24kazw1 97
- Operational range in cooling mode the illustration below shows the operational range in cooling mode of the euwy 5 24kazw1 97
- Operational range in heating mode the illustration below shows the operational range in heating mode of the euwy 5 24kazw1 97
- Part 2 functional description 2 5 97
- Operational flow chart 99
- Compressor working status 100
- Compressor timers 101
- 10 part 2 functional description 102
- Controller the table below describes the step difference 102
- Description lower limit upper limit step default 102
- Functional description esie04 03 102
- Functional diagram 16 24hp the illustration below shows the thermostat control of 16 24hp 102
- Functional diagram 5 12hp the illustration below shows the thermostat control of 5 12hp 102
- R2 and or r4 step difference c 0 19 0 3 102
- Thermostat control euwa 5 24kazw1 and euwy 5 24kazw1 102
- Head pressure control euwa 5 24kazw1 and euwy 5 24kazw1 103
- Fan working euwa 5 24kazw1 and euwy 5 24kazw1 105
- Crankcase heater 106
- Evaporator heater tape management euwa 5 24kazw1 and euwy 5 24kazw1 107
- Pump steering 108
- Freeze up control euwa 5 24kazw1 and euwy 5 24kazw1 109
- Defrost management for euwy 5 24kazw1 110
- Defrost cycles and compressor stop function 115
- Esie04 03 functional description 115
- Illustration compressor stop function 115
- Maximum cycle 10 min timdefrmax 115
- Maximum cycle 12 min timcomprstopx4 timdefrmax 115
- Part 2 functional description 2 23 115
- The illustrations below show the defrost cycle without and with compressor stop during the defrost cycle 115
- The table below describes the minimum and maximum defrost cycles without and with compressor stop 115
- With compressor stop minimum cycle 130 s timcomprstopx4 timdefrmin 115
- Without compressor stop minimum cycle 10 s timdefrmin 115
- Part 2 117
- The digital controller 117
- What is in this chapter 117
- The digital controller 118
- Start stop 120
- What happens in case of an alarm or a warning 122
- Settings direct and user parameters 123
- Esie04 03 the digital controller 125
- Introduction 125
- Part 2 functional description 2 33 125
- Reading or adjusting parameter settings the programming procedure 125
- Reading or adjusting to read or adjust parameter settings proceed as follows 125
- When no buttons are pressed for 5 s the display starts flashing 125
- You can exit at every step by leaving the buttons untouched for 1 min the modifications are not saved 125
- Part 3 troubleshooting 127
- Inputs and outputs overview 129
- Part 3 129
- What is in this chapter 129
- Inputs and outputs overview euwa 5 24kazw1 and euwy 5 24kazw1 130
- Inputs outputs overview of the i o pcb euwa 5 24kazw1 and euwy 5 24kazw1 131
- Malfunction indications and safeties overview 133
- Part 3 133
- What is in this chapter 133
- Malfunction indications overview euwa 5 24kazw1 and euwy 5 24kazw1 134
- Safeties overview euwa 5 24kazw1 and euwy 5 24kazw1 136
- Checking the inputs and outputs 139
- Part 3 139
- What is in this chapter 139
- Checking the temperature sensors 140
- Esie04 03 checking the inputs and outputs 141
- I o pcb sensors r3t and r4t for euwa 5 24kazw1 and euwy 5 24kazw1 141
- Part 3 troubleshooting 3 15 141
- Temp resistance the table below contains the temperature resistance values of the i o pcb sensors r3t and r4t 141
- I o pcb sensors r6t r7t and r8t for euwa 5 24kazw1 and euwy 5 24kazw1 142
- Checking the digital inputs and outputs 143
- Checking the power supply and fuses euwa 5 24kazw1 and euwy 5 24kazw1 144
- Electrical error overview euwa 5 24kazw1 and euwy 5 24kazw1 145
- Part 3 149
- Troubleshooting 149
- What is in this chapter 149
- Items to be checked 150
- General repair procedures 152
- Unlocking the keyboard 153
- Replacing the controller euwa 5 24kazw1 154
- Replacing the controller euwy 5 24kazw1 159
- Replacing the pcb euwa 5 24kazw1 and euwy 5 24kazw1 165
- Soft starter option ekss thermal protection 166
- Part 4 commissioning and test run 167
- Part 4 169
- Pre test run checks 169
- What is in this chapter 169
- General checks 170
- Water piping checks 171
- 1000 kg m³ 172
- 4186 j kgk 172
- 5 x q x t 0 5 x q x t v m³ 2 x 172
- 6 part 4 commissioning and test run 172
- Calculation of the minimum water volume 172
- D k thermostat step difference 172
- J kgk specific heat capacity of the fluid 172
- Kg m³ specific mass of the fluid 172
- Notation dimension description default 172
- Pre test run checks esie04 03 172
- Q w cooling capacity at the lowest capacity step of each chiller in the system 172
- T s minimum cycling time allowed by the com pressor 240 s 172
- The calculation method below is based on the fact that the water volume in a chiller should be large enough to prevent the compressor from excessive cycling sufficient water volume gives a certain inertia to the system so that 172
- V m³ required system volume 172
- Water or glycol temperature does not drop too fast when the unit turns on 172
- Water or glycol temperature does not rise too fast when the unit turns off 172
- Water quality the table below contains the required water quality specifications 172
- Esie04 03 pre test run checks 173
- Part 4 commissioning and test run 4 7 173
- External static pressure euwa 5 12kazw1 174
- External static pressure euwa 16 24kazw1 176
- External static pressure euwy 5 12kazw1 178
- External static pressure euwy 16 24kazw1 180
- 16 part 4 commissioning and test run 182
- Pre test run checks esie04 03 182
- Static pressure of the pump for euwa 5 24kazw1 and euwy 5 24kazw1 182
- Static pressure the illustration below shows the static pressure of the pump depending on the water flow and the pump type 182
- 18 part 4 commissioning and test run 184
- Pre test run checks esie04 03 184
- Water pressure drop the illustration below shows the water pressure drop through evaporator for euwa 5 12kazw1 184
- Water pressure drop through evaporator euwa 5 12kazw1 184
- 20 part 4 commissioning and test run 186
- Pre test run checks esie04 03 186
- Water pressure drop the illustration below shows the water pressure drop through evaporator for euwa 16 24kazw1 186
- Water pressure drop through evaporator euwa 16 24kazw1 186
- 22 part 4 commissioning and test run 188
- Pre test run checks esie04 03 188
- Water pressure drop the illustration below shows the water pressure drop through evaporator for euwy 5 12kazw1 188
- Water pressure drop through evaporator euwy 5 12kazw1 188
- 24 part 4 commissioning and test run 190
- Pre test run checks esie04 03 190
- Water pressure drop the illustration below shows the water pressure drop through evaporator for euwy 16 24kazw1 190
- Water pressure drop through evaporator euwy 16 24kazw1 190
- Electrical checks 192
- Control of the function of the 4 way valve for euwy 5 24kazw1 193
- Part 4 199
- Test run and operation data 199
- What is in this chapter 199
- Test run and operation data for euwa 5 24kazw1 and euwy 5 24kazw1 200
- Part 5 maintenance 203
- Maintenance 205
- Part 5 205
- What is in this chapter 205
- Maintenance of the main parts 206
- Maintenance of the control devices 208
- Periodical checks 209
- B 8400 ostend belgium 215
- Esie04 03 07 2005 prepared in belgium by lannoo 215
- Www daikineurope com 215
- Zandvoordestraat 300 215
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