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- 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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