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Daikin EUWA(*)100JX [4/145] Part 2 functional description 2 1
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ESIE97–02
ii Table of Contents
1 Functional Control
1.1 What Is in This Chapter 2-3
1.2 Operation Range 2-4
1.3 Thermostat Control 2-5
1.4 Fan Speed Control after Start-up (Head Pressure Control) 2-7
1.5 Start-up Sequence of Fans and Compressor 2-9
1.6 Freeze-up Control 2-10
1.7 Lead-lag Control (only for EUWA(*)80-120JX) 2-12
1.8 Discharge Temperature Controller 2-14
1.9 Heatertape (optional) 2-15
1.10 Head Pressure Setback 2-16
2 The Digital Controller
2.1 What Is in This Chapter 2-17
2.2 The Digital Controller 2-18
2.3 Start/Stop and Temperature Setting 2-19
2.4 What Happens in Case of an Alarm 2-20
2.5 Menu Overview 2-21
2.6 How to Read or Adjust Parameter Settings: the Programming Procedure 2-23
2.7
Readout Menu 2-24
2.8
Setpoints Menu 2-26
2.9
User Settings Menu 2-27
2.10
Software Timers Menu 2-30
2.11
History Menu 2-32
2.12
Info Menu 2-36
2.13
Input /Output Menu 2-37
2.14
Password Menu 2-41
Содержание
- Air cooled waterchillers 1
- Daikin europe nv 1
- Esie97 02 1
- Euwa 40 120jx 1
- Service manual 1
- General outline 3
- Introduction 3
- Part 1 system outline 1 1 3
- Piping layout 3
- Table of contents 3
- Wiring layout 3
- Functional control 4
- Part 2 functional description 2 1 4
- The digital controller 4
- Checking the inputs and outputs 5
- Overview of fault indications and safeties 5
- Overview of inputs and outputs 5
- Part 3 troubleshooting 3 1 5
- Troubleshooting 5
- Appendix a photo parts a 1 6
- Appendix b drawings b 1 6
- Index i 6
- Maintenance 6
- Part 4 commissioning and test run 4 1 6
- Part 5 maintenance 5 1 6
- Pre test run checks 6
- Refrigerant r134a 6
- Test run operation data 6
- About this manual 7
- Approvals 7
- Euwa 40 120jx chiller types 7
- Introduction 7
- Usage of the manual 7
- Using icons 7
- Introduction 9
- Part 1 system outline 9
- What is in this part 9
- General outline 11
- Introduction 11
- Overview 11
- Part 1 11
- What is in this chapter 11
- 4 part 1 system outline 12
- Euwa 40 60jx 12
- Euwa 40 60jx in the following table you will find the technical specifications of chiller types euwa 40 60jx 12
- General outline esie97 02 12
- Technical specifications 12
- Ambient air temperature 35 c 13
- Entering leaving water temperature 12 7 c 13
- Esie97 02 general outline 13
- Input includes total input of the unit compressor fan motor control circuit pumps 13
- Nominal conditions are as follows 13
- Part 1 system outline 1 5 13
- 6 part 1 system outline 14
- Euwa 80 120jx 14
- Euwa 80 120jx in the following table you will find the technical specifications of chiller types euwa 80 120jx 14
- General outline esie97 02 14
- Ambient air temperature 35 c 15
- Entering leaving water temperature 12 7 c 15
- Esie97 02 general outline 15
- Input includes total input of the unit compressor fan motor control circuit pumps 15
- Nominal conditions are as follows 15
- Part 1 system outline 1 7 15
- 8 part 1 system outline 16
- Ambient air temperature 35 c 16
- Electrical specifications 16
- Entering leaving water temperature 12 7 c 16
- Euwa 40 60jx 16
- Euwa 40 60jx in the following table you will find the electrical specifications of chiller types euwa 40 60jx 16
- General outline esie97 02 16
- Input includes total input of the unit compressor fan motor control circuit pumps 16
- Nominal conditions are as follows 16
- Ambient air temperature 35 c 17
- Entering leaving water temperature 12 7 c 17
- Esie97 02 general outline 17
- Euwa 80 120jx 17
- Euwa 80 120jx in the following table you will find the electrical specifications of chiller types euwa 80 120jx 17
- Input includes total input of the unit compressor fan motor control circuit pumps 17
- Nominal conditions are as follows 17
- Part 1 system outline 1 9 17
- Euwa 40 60jx 18
- Introduction 18
- Outlook drawing 18
- Euwa 80 120jx 19
- Photo display of euwa 40 60jx 19
- Main components table 20
- Installation outline 21
- Introduction 21
- Typical installation outline 21
- Introduction 23
- Overview 23
- Part 1 23
- Piping layout 23
- What is in this chapter 23
- 16 part 1 system outline 24
- Functional diagram euwa 40 60jx 24
- Functional diagram euwa 40 60jx the figure below displays the functional diagram of the refrigeration circuit of the chiller types euwa 40 60jx 24
- Functional diagram euwa 80 120jx 24
- Functional diagram euwa 80 120jx the figure below displays the functional diagram of the refrigeration circuit of the chiller types euwa 80 120jx 24
- Functional diagram refrigeration circuit 24
- Piping layout esie97 02 24
- Parts table 25
- Parts table of the refrigeration circuit 25
- Visualising the parts 26
- Esie97 02 piping layout 27
- Part 1 system outline 1 19 27
- 20 part 1 system outline 28
- Piping layout esie97 02 28
- Introduction 29
- Overview 29
- Part 1 29
- What is in this chapter 29
- Wiring layout 29
- Location 30
- Photo switchbox 30
- Switchbox layout 30
- Esie97 02 wiring layout 31
- Part 1 system outline 1 23 31
- Switchbox euwa 40 60jx 31
- Switchbox euwa 40 60jx the following figure shows the layout of the switchbox for the euwa 40 60jx types 31
- Switchbox euwa 80 120jx 31
- Switchbox euwa 80 120jx the following figure shows the layout of the switchbox for the euwa 80 120jx 31
- 24 part 1 system outline 32
- J1 j2 j3 j4 j5 j6 32
- J24 j22 j21 j20 j19 j18 j17 32
- Main board euwa 40 120jx 32
- Main board euwa 40 120jx the figure below shows the main pcb board of the chiller type euwa 40 120jx 32
- Main pcb layout 32
- Wiring layout esie97 02 32
- Description pcb euwa 40 60jx 33
- Description pcb s euwa 80 120jx 34
- T device between pcb a and pcb b 36
- User terminal 36
- Overview 37
- Wiring diagrams 37
- Part 1 39
- Wiring diagram euwa 40 60jx 39
- Wiring diagram euwa 80 120jx 40
- Field wiring 41
- Field wiring components overview 41
- Field wiring view 41
- Options 41
- Part 1 41
- Schematic drawings 41
- Euwa 40 60jx location 42
- Euwa 40 60jx terminal connections 42
- Example 42
- Euwa 80 120jx location 43
- Euwa 80 120jx terminal connections 43
- 36 part 1 system outline 44
- Available as an option 44
- Example 44
- Fl flow switch 44
- Off no operation 44
- On operation 44
- P pumpcontact 44
- The inputs and outputs can also be consulted in the input output menu on page 2 39 44
- Wiring layout esie97 02 44
- Introduction 45
- Part 2 functional description 45
- What is in this part 45
- Functional control 47
- Introduction 47
- Overview 47
- Part 2 47
- What is in this chapter 47
- 4 part 2 functional description 48
- Ambient temperature c 48
- For the euwas40 120 jx the maximum ambient temperature is 38 c 48
- Functional control esie97 02 48
- Leaving evaporator temperature c 48
- Operation range 48
- Operation range the following figure shows you the operation range 48
- Protect the water circuit against freezing by 48
- Same application range is applicable for euwab m t d 40 120 jx 48
- Introduction 49
- Manual mode versus automatic mode 49
- Thermostat control 49
- Thermostat steps 49
- 300 1 18 50
- Display controller 50
- Inlet water temperature control 50
- Loadup 50
- Outlet water temperature control 50
- Stepdifferenc 50
- Stplengt 50
- Therm settings 50
- 8 part 2 functional description 52
- During head pressure control a set of fan steps is executed in order to switch off the corresponding fan motors this execution enables the control of the condensing pressure 52
- During normal operation or when no signal is sent all fans rotate at high speed 52
- Fan sequence 52
- Fan sequence in the tables below you will find an overview of the 4 steps of relay and fan 52
- Fan speed control after start up head pressure control 52
- Fan step action for euwa 40 60jx action for euwa 80 120jx 52
- Functional control esie97 02 52
- Functional description 52
- Functional description the chiller types euwa 40 120jx are equipped with a fan control to limit the high pressure when the ambient temperature is low in the wiring diagram this head pressure control is positioned in block j22 for euwa 40 60jx and j22a and j22b for euwa 80 120jx the following features enable the fan speed control 52
- Overview fan steps 52
- Overview fan steps the following table clarifies the different fan steps 52
- Ry1 controlling nc9 is energized in order to switch off fan motor m11f ry1 controlling nc9 is energized in order to switch off m11f and m21f 52
- Ry2 controlling nc10 is energized in order to switch off fan motor m14f ry2 controlling nc10 is energized in order to switch off m14f and m24f 52
- Ry3 controlling nc11 is energized in order to switch off m12f and m13f ry3 controlling nc11 is energized in order to switch off m12f m13f m22f and m23f 52
- Esie97 02 functional control 53
- Fan control procedure 53
- Fan control procedure the following procedure explains head pressure control 53
- Hp means high pressure 53
- Part 2 functional description 2 9 53
- Ta means ambient temperature 53
- Fans location 54
- Introduction 54
- Start up of the compressor 54
- Start up sequence of fans and compressor 54
- Freeze up control 55
- Freeze up prevention 55
- Freeze up prevention overview 55
- Freeze up protection 55
- Freeze up protection overview 55
- Introduction 55
- General overview 56
- Available modes 57
- Description 57
- Equal start up 57
- Lead lag control only for euwa 80 120jx 57
- Lead lag hours in automatic mode 57
- Lead lag working 58
- Conditions 59
- Discharge temperature controller 59
- Illustration 59
- Introduction 59
- General overview 60
- Heatertape optional 60
- Heatertape procedure 60
- Introduction 60
- Head pressure setback 61
- Introduction 61
- Introduction 62
- Overview 62
- Part 2 62
- The digital controller 62
- What is in this chapter 62
- Digital controller 63
- Front panel 63
- How to go from one screen to another 63
- Screen detail 63
- The digital controller 63
- At power on 64
- Emergency stop 64
- How to start or stop 64
- Remote start stop 64
- Start stop and temperature setting 64
- Temperature setting 64
- Circuit 1 2 safety 65
- Flow switc 65
- High pressure switc 65
- Inl outl 65
- Two kinds of safety devices 65
- Unit safety 65
- What happens in case of an alarm 65
- Menu overview 66
- How to read or adjust parameter settings the programming procedure 68
- Programming procedure 68
- Actual pressures 69
- Bypass mode 69
- Can start up 69
- Disable 69
- Inlet water 69
- Inlsetp1 2 69
- Manual mode 69
- Operational information 69
- Outlet water 69
- Outlsetp1 2 69
- Readout menu 69
- Safety active 69
- Screen 1 69
- Screen 2 69
- Screen 3 69
- Thermostat step 69
- Timers busy 69
- Unit capacity 69
- Unit status 69
- Actual pressures 70
- Ambient 70
- Current c1 70
- Current c2 70
- Extra readout 70
- Runn hours 1 70
- Runn hours 2 70
- Screen 4 70
- Screen 5 70
- Screen 6 70
- Voltage 70
- Voltage current 70
- 12 c 7 71
- 16 c 0 c 71
- 23 c 0 c 71
- Enter password 71
- Password 0000 71
- Screen 1 password 71
- Screen 2 two temperature setpoints 71
- Selection between inlet and outlet control 71
- Selection between setpoint 1 and 2 71
- Setp in 1 71
- Setp in 2 71
- Setp out 1 71
- Setp out 2 71
- Setpoints menu 71
- 40 70 100 72
- Bms settings 72
- Cir1 cir2 72
- Control settings 72
- Enter password 72
- Lead lag settings 72
- Manual control inlet water control outlet water control 72
- Menu description 72
- Off low medium high 72
- Password 72
- Password 0000 72
- Remote control 72
- Remote on off 72
- Screen 1 72
- Screen 2 72
- Screen 3 72
- Setpoint password 72
- Thermost settings 72
- User settings menu 72
- 300 1 18 73
- Inlet water thermostat control 73
- Screen 4 73
- Stepdifferenc 73
- Stplengt 73
- Therm settings 73
- Automatic 74
- Bms control allowed 74
- Bms settings 74
- Equal startup 74
- Lead lag hours 74
- Lead lag mode 74
- Lead lag settings 74
- Password needed to change setpoints 74
- Protocol 74
- Screen 5 optional 74
- Screen 6 74
- Screen 7 74
- Setpoint password 74
- Unit address 74
- Compr started 76
- Compressor timers 76
- Flowstart 76
- Flowstop 76
- General timers 76
- Grd 1 arec 1 76
- Grd 2 arec 2 76
- Loadup 76
- Overview timers 76
- Screen 1 76
- Screen 2 76
- Screen 3 76
- Software timers 76
- Software timers menu 76
- Startuptime 1 76
- Startuptime 2 76
- 32 part 2 functional description 77
- Example 77
- Example the following view shows an example of the timers working 77
- Operation flow flowstart flowstop arec 1 guard 1 arec 2 guard 2 loadup loaddown compr started start up timer 1 start up timer 2 zonder lead lag step 7 step 6 step 5 step 4 step 3 step 2 step 1 initial 77
- The digital controller esie97 02 77
- History menu 78
- Overview screens and subscreens 78
- Reading safety info after shutdown 78
- Current c1 79
- Current c2 79
- Flow switch 79
- Inl outl 79
- Screen 1 79
- Subscreen 1 1 79
- Subscreen 1 2 79
- Subscreen 1 3 79
- Unit history xxx 79
- Voltage 79
- C1 history xxx 80
- Current c1 80
- Current c2 80
- High pressure switch 80
- Inl outl 80
- Runn hours 1 80
- Runn hours 2 80
- Screen 2 80
- Subscreen 1 4 80
- Subscreen 2 1 80
- Subscreen 2 2 80
- Subscreen 2 3 80
- Unit history xxx 80
- Voltage 80
- C1 history xxx 81
- C2 history xxx 81
- Current c1 81
- Current c2 81
- High pressure switch 81
- Inl outl 81
- Runn hours 1 81
- Runn hours 2 81
- Screen 3 81
- Subscreen 2 4 81
- Subscreen 3 1 81
- Subscreen 3 2 81
- Subscreen 3 3 81
- Voltage 81
- C2 history xxx 82
- Runn hours 1 82
- Runn hours 2 82
- Subscreen 3 4 82
- Additional unit information 83
- Info menu 83
- Manufact nr 83
- Refrigerant r134a 83
- Screen 1 83
- Screen 2 83
- Software version 83
- Unit information 83
- Unitname 83
- Bypass mode 84
- Digital inputs 84
- Emergency stop 84
- Flow ok no flow 84
- Flowswitch 84
- High pr switch 1 84
- High pr switch 2 84
- Input output menu 84
- Ok not ok 84
- Reading the status of inputs and outputs 84
- Rev ph prot 1 84
- Rev ph prot 2 84
- Screen 1 84
- Screen 2 84
- Screen 3 84
- Yes no 84
- Compr th pr 1 85
- Compr th pr 2 85
- Digital inputs 85
- Disch th pr 1 85
- Disch th pr 2 85
- Dual setpoint 85
- En disable 1 85
- En disable 2 85
- Enable disable 85
- Ok not ok 85
- Overcurrent 1 85
- Overcurrent 2 85
- Rem start stop 85
- Screen 4 85
- Screen 5 85
- Screen 6 85
- Screen 7 85
- Setp1 2 85
- Yes no 85
- C1 40 c1 70 86
- C2 40 c2 70 86
- Circuit 1 delta 86
- Circuit 1 on 86
- Circuit 1 star 86
- Circuit 2 delta 86
- Circuit 2 on 86
- Circuit 2 star 86
- Relay outputs 86
- Screen 10 86
- Screen 11 86
- Screen 8 86
- Screen 9 86
- Yes no 86
- C1 fanstep 1 2 3 87
- C2 fanstep 1 2 3 87
- Evap heater 87
- Gen alarm 87
- Open closed 87
- Pumpcontact 87
- Relay outputs 87
- Screen 12 87
- Screen 13 87
- Screen 14 87
- Change password 88
- Confirm 88
- How to change the password 88
- New password 88
- Password 88
- Password menu 88
- Screen 88
- Introduction 89
- Part 3 troubleshooting 89
- What is in this part 89
- Introduction 91
- Overview 91
- Overview of inputs and outputs 91
- Part 3 91
- What is in this chapter 91
- Overview of inputs and outputs of euwa 40 60jx 92
- Overview of inputs and outputs of euwa 80 120jx 93
- Introduction 95
- Overview 95
- Overview of fault indications and safeties 95
- Part 3 95
- What is in this chapter 95
- Circuit 1 2 safety 96
- Fault indication 96
- Flow switch 96
- High pressure switch 96
- Inl outl 96
- Unit safety 96
- What happens in case of an alarm 96
- What to do in case of an alarm 96
- Current c1 97
- Current c2 97
- Flow switch 97
- Inl outl 97
- Subscreen 1 97
- Subscreen 2 97
- Subscreen 3 97
- Subscreens 97
- Unit safety 97
- Unit safety screens 97
- Voltage 97
- Circuit 1 2 safety 98
- Circuit safety screens 98
- High pressure switch 98
- Inl outl 98
- Runn hours 1 98
- Runn hours 2 98
- Subscreen 1 98
- Subscreen 2 98
- Subscreen 4 98
- Subscreens 98
- Unit safety 98
- Circuit 1 2 safety 99
- Current c1 99
- Current c2 99
- Runn hours 1 99
- Runn hours 2 99
- Subscreen 3 99
- Subscreen 4 99
- Voltage 99
- Circuit safeties 100
- Compressor ther mal protector 1 2 100
- Discharge ther mal protection 1 2 100
- Emergency stop 100
- Flowswitch acti vated or not 100
- Freeze up 100
- High pressure switch 1 2 100
- Low pressure 1 2 100
- Overcurrent 1 2 100
- Reverse phase protection 1 2 100
- Safeties overview 100
- Unit safeties 100
- Esie97 02 overview of fault indications and safeties 101
- Part 3 troubleshooting 3 13 101
- Safety devices 101
- Safety devices the following pictures give a visual view of some of the safety devices 101
- 14 part 3 troubleshooting 102
- Overview of fault indications and safeties esie97 02 102
- Checking the inputs and outputs 103
- Introduction 103
- Overview 103
- Part 3 103
- What is in this chapter 103
- Checking the temperature sensors 104
- How to check 104
- Introduction 104
- Types of sensors 104
- Esie97 02 checking the inputs and outputs 105
- Part 3 troubleshooting 3 17 105
- Table 1 105
- Table 1 in the following table you will find the temperature resistance values of the controller sensors r3t r4t and r5t 105
- 18 part 3 troubleshooting 106
- Checking the inputs and outputs esie97 02 106
- Table 2 106
- Table 2 in the following table you will find the temperature resistance values of the disharge temperature sensors r1t r2t and the compressor casing temperature sensors r7t r8t 106
- Checking the digital inputs and outputs 107
- Input route 107
- Output route 107
- Troubleshooting 107
- Checking the power supply and fuses 108
- Overview 108
- Overview fuses and overcurrent euwa 40 60jx 108
- Overview fuses and overcurrent euwa 80 120jx 108
- Introduction 109
- Overview 109
- Part 3 109
- Troubleshooting 109
- What is in this chapter 109
- Introduction 110
- Items to be checked 110
- Malfunction indication 110
- No malfunction indication 110
- Electrical circuit repairs 112
- General repair procedures 112
- Refrigeration circuit repairs 112
- Filter core replacement 113
- Filter procedure 113
- Oil changing procedures 114
- Oil charging 114
- Oil draining 114
- Oil filter cleaning 114
- Liquid charging 115
- Refrigerant charging 115
- Refrigerant leak detection 115
- Vapour charging 116
- Introduction 117
- Part 4 commissioning and test run 117
- What is in this part 117
- Introduction 119
- Overview 119
- Part 4 119
- Pre test run checks 119
- What is in this chapter 119
- Checklist 120
- General checks 120
- Checklist 121
- Water piping checks 121
- Water volume flow and pressure 121
- 6 part 4 commissioning and test run 122
- Pre test run checks esie97 02 122
- Water quality 122
- Water quality in the table below you will find the required water quality specifications 122
- Checklist 123
- Electrical checks 123
- Introduction 125
- Part 4 125
- Pressures 125
- Temperatures 125
- Test run operation data 125
- Voltages 125
- Compressor rotation 126
- Currents 126
- Introduction 127
- Overview 127
- Part 4 127
- Refrigerant r134a 127
- What is in this chapter 127
- Adapted components 128
- Handling r134a 128
- Humidity control 128
- Mineral oil concentration 128
- What is new 128
- Characteristic table 129
- Characteristic table the following table shows the characteristics for r134a 129
- Characteristics 129
- Coefficient of performance cop 129
- Compression ratio 129
- Compressor discharge 129
- Data r134a versus r12 129
- Data r134a versus r12 the following table compairs the working values of r134a with r12 the used symbols are 129
- Description 129
- Esie97 02 refrigerant r134a 129
- Part 4 commissioning and test run 4 13 129
- Volumetric refrigerating effect 129
- 14 part 4 commissioning and test run 130
- Compression ratio 130
- Compressor discharge temperature 130
- Diagrams 130
- Diagrams the following diagrams give a visual view of the comparisons 130
- Refrigerant r134a esie97 02 130
- Introduction 131
- Part 5 maintenance 131
- What is in this part 131
- Introduction 133
- Maintenance 133
- Overview 133
- Part 5 133
- What is in this chapter 133
- Compressor maintenance 134
- Condenser maintenance 134
- Evaporator maintenance 134
- Maintenance of the main parts 134
- Precautions 134
- Electrical checks 135
- Fan check 135
- Noise checks 135
- Periodical checks 135
- Refrigerant checks 135
- Water checks 135
- Appendix a photo parts 137
- Introduction 137
- Parts versus photos 137
- Appendix b drawings 139
- Drawings table 139
- Introduction 139
- Esie97 02 141
- General index 141
- Index i 141
- Esie97 02 142
- General index 142
- Esie97 02 143
- General index 143
- Index iii 143
- Esie97 02 144
- General index 144
- Esie97 02 145
- General index 145
- Index v 145
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