J&E Hall Fridgewatch 4000 Guide d'installation

Publication 3-71

Issue 3.3 : 01/23

Installation, Operating and Maintenance Manual

Fridgewatch®4000 Controller Mk2

Software Version FW40Mk2P3.105 Onwards

This publication is applicable to the following

J & E Hall International Compressors:

HallScrew HSO 2000, HS 3100, HS 3200,

HS 4200, HS 5200 and HS 6200

Series Compressors

Fridgewatch 4000 Controller Mk2

Publication 3-71 Section 3

Page 2 of 270 Issue 3.3 : 01/23

any means, electronic or mechanical, including photocopying, recording or by any information

storage or retrieval system, without permission in writing from the copyright holder.

The copyright in this publication shall be and remain the sole property of J & E Hall International.

FRIDGEWATCHis a registered trade name of J & E Hall International.

Fridgewatch 4000 Controller Mk2

Section 3 Publication 3-71

Issue 3.3 : 01/23 Page 3 of 270

Safety

In common with most other forms of mechanical and electrical

equipment, there are a number of potential hazards associated with

operating and servicing refrigeration plant.

In writing this instruction manual, every emphasis has been given to safe

methods of working. These safety instructions are intended to draw

attention to the potential hazards that could be encountered during

installing, operating and maintaining the plant.

At the same time, it should be emphasised that these notes are not

exhaustive, and are principally intended to draw attention to the most

important points; where necessary, reference is made to other parts of

the manual.

NOTE: The installer is responsible for the correct

installation of equipment, and on completion, the owner

and/or user are responsible for safe operation and

maintenance.

Personnel Permitted to Install, Commission and Maintain the Plant

It is essential that only authorised and competent personnel are allowed

to install, commission and maintain the Fridgewatch Controller. A permit

to work system should be introduced before commissioning begins, and

should be rigorously enforced thereafter.

Any person rendering assistance or under training must be supervised by

the authorised competent person who has responsibility for safety.

Personnel must be familiar with the plant’s

construction, operation and the hazards involved. All

personnel should make a thorough study of these

instructions before undertaking installation,

commissioning, maintenance or repair procedures.

Fridgewatch 4000 Controller Mk2

Publication 3-71 Section 3

Page 4 of 270 Issue 3.3 : 01/23

Electrical

Electrical wiring must be sized and installed to such a standard as to

meet the requirements of the national or local codes pertaining to the

area in which the installation is taking place.

Electrical Isolation

The electrical power used in this equipment is at a voltage high enough to

endanger life.

WARNING

Disconnect the power source before servicing or

repairing electrical equipment.

The only way to be sure

Where there is no local means of isolation or where there is a risk of

reinstatement of the supply, the circuit or equipment to be worked on

must be securely isolated by one of the following methods:

•Isolation using a main switch;

•Distribution board switch (MCB);

•Removal of Cartridge fuses.

Isolation of equipment or circuits using the main switch or distribution

board switch is the preferred method. The point of isolation must be

locked off using a unique key or combination retained by the person

carrying out the work or the appointed person, and a caution notice

attached to the point of isolation.

Where more than one operative is working on circuits supplied from an

isolated distribution board, a multi-lock hasp can be used to prevent

operation of the main isolator until such time that all persons working on

the installation have completed their work and removed their padlocks

from the hasp. If locking-off facilities are not provided on the relevant

switch, then a locked distribution board, which prevents access to the

switch is acceptable provided the key or combination is unique and is

retained by the person doing the work or the appointed person

inadvertent reinstatement of the supply.

Functional Testing

If the supply must remain connected to permit functional testing, fault

diagnosis and repair must only be undertaken by persons who are aware

of the hazard and who have taken adequate precautions to avoid direct

contact with dangerous voltages.

Electrical Hazard in the Event of Fire

If electrical equipment overheats or a fault occurs, it must be

disconnected from the supply and allowed to cool. Overheating may

damage the insulation system, cables, mouldings, gaskets and seals.

The materials used in these components may contain complex organic

compounds, which, when degraded by heat or electrical action, produce

chemical compounds in gaseous, liquid or solid forms. Many of these

gaseous and liquid product compounds are highly flammable and toxic.

If it is necessary to extinguish a fire in electrical equipment, follow the

advice given in the Fire Precautions Act 1971, ‘Guide to Fire Precautions

in Existing Places of Work that require a Fire Certificate’ available from

HMSO. Do not approach the equipment until the fire has been

extinguished and the equipment is cool.

Safe Disposal, End-of-life (EOL)

The controller contains electrical components.At the end of the

controller’s working life, it should not be classed as domestic waste but

be disposed of separately by a registered electrical/electronic waste

recycling company according to local and currently valid legislation.

Fridgewatch 4000 Controller Mk2

Section 3 Publication 3-71

Issue 3.3 : 01/23 Page 5 of 270

Contents

1. About this Publication ................................................................................................. 14

1.1. Safety Warnings and Symbols ...............................................................................................14

1.2. Units of Measurement............................................................................................................14

1.3. Terminology ...........................................................................................................................14

1.4. Additional Copies ...................................................................................................................14

2. Care and Protection of Fridgewatch ........................................................................... 15

2.1. Anti-Static Precautions...........................................................................................................15

2.2. Electrical Interference ............................................................................................................15

2.3. Prolonged Storage .................................................................................................................15

3. Abbreviations .............................................................................................................. 16

4. General Description .................................................................................................... 17

4.1. Standalone Versions..............................................................................................................17

4.1.1. Human-machine Interfaces (HMI) Displays.....................................................................18

4.1.2. Fridgewatch 4000 Controller (Standalone Arrangement) - Mounting ..............................22

4.1.3. Fridgewatch 4000 Controller (Standalone Arrangement) - HMI Interface .......................23

4.2. Integrated Version..................................................................................................................23

5. Application................................................................................................................... 23

5.1. Plant Control and Monitoring .................................................................................................23

5.1.1. Safety Monitoring ............................................................................................................24

5.1.2. Options For Set Point Control .........................................................................................24

5.1.3. Set Point, Start and Stop Values, Second Set Point and Set Point Override ..................24

5.1.4. Operating Modes.............................................................................................................24

5.1.5. Limiting............................................................................................................................25

5.1.6. Oil Management Systems ...............................................................................................25

5.1.7. Auxiliary Control ..............................................................................................................25

6. Principles of Control.................................................................................................... 26

6.1. Compressor Capacity Control ................................................................................................26

6.1.1. HallScrew HSO 2000 Series Capacity Modulation by Slide Valves ................................26

6.1.2. HallScrew HS 3100 to HSO 6200 Series Capacity Modulation by Slide Valves..............26

6.1.3. Slide Valve Position Signal .............................................................................................27

6.2. Intermediate Load Outputs ....................................................................................................27

6.3. Proportional and Integral (P + I) Control ................................................................................29

6.3.1. Proportional Band ...........................................................................................................29

6.3.2. Integral Action Time ........................................................................................................30

6.3.3. Set Point Temperature/Pressure.....................................................................................31

6.3.4. Evaporator Superheat Set Point/Liquid Level Set Point Value ........................................31

6.3.5. Economiser Superheat Set Point ....................................................................................32

6.4. Starting and Stopping the Compressor ..................................................................................32

6.5. Control Philosophy for Compressor Operation After a Transmitter Failure ............................34

6.6. Capacity Control by Fridgewatch 4000 ..................................................................................34

6.6.1. Auto Capacity Control .....................................................................................................34

6.6.2. Remote Capacity Control ................................................................................................34

6.6.3. Manual Capacity Control.................................................................................................35

6.7. Limiting Inputs........................................................................................................................35

6.7.1. Current Limiting...............................................................................................................35

6.7.2. Suction Pressure Limiting ...............................................................................................35

6.7.3. Discharge Pressure Limiting ...........................................................................................35

6.7.4. Evaporator Cooled Medium Outlet Temperature Limiting ...............................................35

6.7.5. Other Limiting Conditions ................................................................................................36

6.7.6. Levels of Limiting ............................................................................................................36

6.8. Discharge High Pressure Trip Switch Function......................................................................36

6.9. Oil Management Systems ......................................................................................................37

6.9.1. Summary of Differential Pressure Sensing .....................................................................38

6.9.2. Demand Oil Pump...........................................................................................................40

6.9.3. Oil Filling Pump ...............................................................................................................41

Fridgewatch 4000 Controller Mk2

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Page 6 of 270 Issue 3.3 : 01/23

7. Fridgewatch System Controller and SCADA .............................................................. 42

7.1. Fridgewatch System Controller ..............................................................................................42

7.2. SCADA System......................................................................................................................42

8. Installation ................................................................................................................... 45

8.1. Digital Inputs and Outputs......................................................................................................45

8.2. Analogue Inputs - Installing Transmitters...............................................................................45

8.2.1. Transmitter Wiring...........................................................................................................46

8.2.2. Transmitter Enabling and Calibration ..............................................................................46

8.3. Using Fridgewatch 4000 to Drive Relays ...............................................................................46

9. Status Indicators ......................................................................................................... 48

10. User Interface.............................................................................................................. 48

10.1. ‘Hard’ and ‘Soft’ Display Function Buttons .............................................................................48

10.2. Interface Common to Every Page ..........................................................................................48

10.2.1. Time and Date.................................................................................................................48

10.2.2. Access Level ...................................................................................................................48

10.2.3. Reset Required Indicator, Acknowledge and Reset Buttons ...........................................49

10.2.4. Current Alarms and Alarm History...................................................................................49

10.2.5. Menu Page......................................................................................................................49

10.2.6. Home Page and DIGINs .................................................................................................50

10.2.7. Back/Next, Analogue Inputs and P + I Diagnostics .........................................................50

11. Home Page ................................................................................................................. 51

11.1. Start (Manual Start/Stop Only) ...............................................................................................53

11.2. Load and Unload (Manual Capacity Control Only).................................................................53

11.3. Controlled Stop/Stop Button RESET......................................................................................53

11.4. System Diagnostics ...............................................................................................................54

12. Menu Page.................................................................................................................. 55

12.1. Read-only Pages ...................................................................................................................56

12.1.1. Digital Inputs ...................................................................................................................56

12.1.2. Digital Outputs.................................................................................................................58

12.1.3. Analogue Inputs ..............................................................................................................60

12.1.4. Analogue Outputs ...........................................................................................................62

12.1.5. P + I Diagnostics .............................................................................................................63

12.1.6. Primary/Secondary..........................................................................................................64

12.1.7. Trending and Logging Data.............................................................................................65

12.1.8. Clean Screen ..................................................................................................................76

12.2. Operator Settings Pages........................................................................................................77

12.2.1. System Control Settings..................................................................................................77

12.2.2. Economiser Control Settings...........................................................................................79

12.2.3. Liquid Injection Control Settings......................................................................................80

12.2.4. Evaporator and Oil Cooler Control Settings ....................................................................81

12.2.5. Condenser Control Settings ............................................................................................82

12.2.6. Hot Gas Valve Control Settings.......................................................................................83

12.2.7. Suction Pressure Limiting Control Settings .....................................................................84

12.2.8. Primary/Secondary Control Settings ...............................................................................85

12.2.9. Alarm, Limiting and Trip Settings, Delay Times...............................................................86

12.2.10. Operating Mode ..............................................................................................................92

12.2.11. Set Time and Date ..........................................................................................................93

12.3. Configuration Settings Pages ................................................................................................94

12.3.1. ANIN Configuration .........................................................................................................94

12.3.2. System Configuration Settings ........................................................................................97

12.3.3. Hours Run and Number of Starts ..................................................................................101

12.3.4. Simulate Outputs...........................................................................................................101

13. Passwords................................................................................................................. 102

13.1. Password Security ...............................................................................................................102

13.2. Entering a Password............................................................................................................103

Fridgewatch 4000 Controller Mk2

Section 3 Publication 3-71

Issue 3.3 : 01/23 Page 7 of 270

14. Commissioning.......................................................................................................... 104

14.1. Supplying Power for the First Time ......................................................................................104

14.2. Commissioning – Sequence of Operations ..........................................................................104

14.2.1. Authority to Use Passwords ..........................................................................................105

14.3. Inputting System Configuration Settings ..............................................................................105

14.3.1. Changing System Configuration Settings after Commissioning ....................................106

14.4. Inputting Operator Settings ..................................................................................................106

14.4.1. Changing Operator Settings after Commissioning ........................................................106

14.5. Operating Mode for the First Start........................................................................................106

15. Display Messages..................................................................................................... 111

15.1. Information Only Messages .................................................................................................111

15.2. Alarm Messages ..................................................................................................................111

15.3. Trip Messages .....................................................................................................................111

15.4. Alarm, Trip and Information Only Messages........................................................................112

15.4.1. Suction Pressure: Alarm, Limiting and Trip ...................................................................112

15.4.2. Suction Temperature High: Trip ....................................................................................112

15.4.3. Suction Superheat: Alarm .............................................................................................112

15.4.4. Discharge Pressure High: Alarm, Limiting and Trip.......................................................113

15.4.5. Discharge Temperature High: Alarm and Trip...............................................................113

15.4.6. Discharge Superheat: Alarm .........................................................................................113

15.4.7. Oil Differential Pressure at Start-up (ODP2) Low: Trip..................................................114

15.4.8. Oil Differential Pressure During Running (ODP1) Low: Alarm and Trip ........................114

15.4.9. Oil Filter Differential Pressure High: Alarm and Trip......................................................115

15.4.10. Oil Injection Temperature High: Alarm and Trip ............................................................115

15.4.11. Lube Oil Temperature High: Alarm and Trip .................................................................115

15.4.12. Oil Separator/Reservoir Level Low: Trip .......................................................................116

15.4.13. Oil Drain Not Clear: Information and Trip ......................................................................116

15.4.14. Compressor Slide Valve Position (Motor Speed) Error: Alarm ......................................116

15.4.15. Compressor Failed to Unload: Trip ...............................................................................116

15.4.16. Condenser Cooling Medium Inlet Temperature: Alarm .................................................117

15.4.17. Condenser Cooling Medium Outlet Temperature: Alarm ..............................................117

15.4.18. Condenser Cooling Medium Differential Pressure Low: Alarm and Trip .......................117

15.4.19. Evaporator Cooled Medium Inlet Temperature: Alarm ..................................................117

15.4.20. Evaporator Cooled Medium Outlet Temperature: Alarm, Limiting and Trip ...................118

15.4.21. Evaporator Cooled Medium Differential Pressure: Alarm and Trip................................118

15.4.22. Evaporator Liquid Level: Alarm and Trip .......................................................................119

15.4.23. Compressor Motor Current: Limiting .............................................................................119

15.4.24. Compressor Motor Temperature High: Trip...................................................................119

15.4.25. Compressor Motor or Starter Failure.............................................................................120

15.4.26. Oil Pump Motor or Starter Failure .................................................................................121

15.4.27. Condenser Pump/Fan Motor or Starter Failure .............................................................122

15.4.28. Evaporator Cooled Medium Pump Motor or Starter Failure ..........................................123

15.4.29. User Trip .......................................................................................................................123

15.4.30. Emergency Stop Pressed .............................................................................................123

15.4.31. Starting or Loading Inhibited .........................................................................................124

15.4.32. Force Unload.................................................................................................................124

15.4.33. External Controller Fault: Evaporator, Economiser, Oil Rectifier or Liquid Injection......125

15.4.1. User Input Faults 1 and 2 (DIGINs I301.4 and I301.5) ..................................................125

15.4.1. Refrigerant Leak Detector .............................................................................................126

15.4.2. Transmitter Out of Range..............................................................................................126

16. External Reset and Alarms, Clearing Alarms and Trips ........................................... 127

16.1. External Alarm/Trip Acknowledge/Reset..............................................................................127

16.2. External Audible and Visual Alarms .....................................................................................127

16.3. Compressor Healthy Signal .................................................................................................127

16.4. Identifying and Clearing Alarms and Trips ...........................................................................127

16.4.1. Normal Healthy Condition .............................................................................................127

16.4.2. Alarm Condition.............................................................................................................128

16.4.3. Acknowledge Alarm ......................................................................................................128

16.4.4. Trip Event......................................................................................................................128

Fridgewatch 4000 Controller Mk2

Publication 3-71 Section 3

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17. Operator Settings...................................................................................................... 132

17.1. System Control Settings ......................................................................................................132

17.1.1. Set Point, Start and Stop Values...................................................................................133

17.1.2. Stop-to-Start Time Differential.......................................................................................133

17.1.3. Proportional and Integral (P + I) Control........................................................................133

17.1.4. Compressor Unload Limit..............................................................................................134

17.1.5. Load and Unload Pulse Duration ..................................................................................134

17.1.6. Intermediate Load Outputs............................................................................................135

17.1.1. Variable Volume Ratio (VVR) Configuration

For HallScrew 5200 and 6200 Series Compressors .....................................................137

17.2. Economiser Control Settings ...............................................................................................138

17.2.1. Economiser Control Enable and Disable.......................................................................140

17.3. Liquid Injection Control Settings...........................................................................................141

17.4. Evaporator and Oil Cooler Control Settings .........................................................................143

17.4.1. Evaporator Control Settings ..........................................................................................143

17.4.2. Oil Cooler Control Settings............................................................................................145

17.5. Condenser Control Settings .................................................................................................146

17.6. Hot Gas Bypass Valve Control Settings...............................................................................148

17.7. Primary/Secondary Control Settings ....................................................................................150

17.8. Suction Pressure Limiting Control Valve Settings ................................................................151

17.9. Alarm, Limiting and Trip Settings, Delay Times ...................................................................153

17.9.1. Motor Current High........................................................................................................153

17.9.2. Discharge Pressure High ..............................................................................................153

17.9.3. Suction Pressure Low ...................................................................................................154

17.9.4. Suction Pressure High ..................................................................................................155

17.9.5. Oil Differential Pressure Low at Start-up .......................................................................155

17.9.6. Oil Differential Pressure Low During Running ...............................................................156

17.9.7. Oil Filter Differential Pressure High ...............................................................................157

17.9.8. Oil Injection Temperature High......................................................................................157

17.9.9. Lube Oil Temperature High ...........................................................................................158

17.9.10. Discharge Temperature High ........................................................................................158

17.9.11. Suction Temperature High ............................................................................................158

17.9.12. Condenser Cooling Medium Inlet Temperature High or Low.........................................158

17.9.13. Condenser Cooling Medium Outlet Temperature High or Low......................................158

17.9.14. Condenser Cooling Medium Differential Pressure Low.................................................159

17.9.1. Evaporator Cooled Medium Inlet Temperature High or Low .........................................159

17.9.2. Evaporator Liquid Level ................................................................................................160

17.9.3. Evaporator Cooled Medium Outlet Temperature Low ...................................................161

17.9.4. Evaporator Cooled Medium Outlet Temperature High ..................................................162

17.9.5. Evaporator Cooled Medium Differential Pressure High.................................................162

17.9.6. Evaporator Cooled Medium Differential Pressure Low..................................................163

17.9.7. Suction Superheat High ................................................................................................163

17.9.8. Suction Superheat Low .................................................................................................164

17.9.9. Discharge Superheat High ............................................................................................164

17.9.10. Discharge Superheat Low .............................................................................................165

17.9.11. Unload Pulses Per Sample Time ..................................................................................165

17.9.12. Oil Drain Delay Time .....................................................................................................165

17.9.13. User Trip Nuisance Trip Delay Time .............................................................................165

17.9.14. Oil Separator/Reservoir Nuisance Trip Delay Time.......................................................165

18. Configuration Settings............................................................................................... 166

18.1. ANIN Configuration, Calibration and Scaling .......................................................................166

18.1.1. Transmitter Calibration Overview ..................................................................................166

18.1.2. Pressure Transmitter Calibration...................................................................................167

18.1.3. Temperature Transmitter Calibration ............................................................................168

18.1.4. Motor Current Transmitter Calibration ...........................................................................169

18.1.5. Compressor Slide Valve Position LVDT Calibration ......................................................169

Fridgewatch 4000 Controller Mk2

Section 3 Publication 3-71

Issue 3.3 : 01/23 Page 9 of 270

18.2. System Configuration...........................................................................................................170

18.2.1. Compressor Number.....................................................................................................170

18.2.2. System Refrigerant .......................................................................................................170

18.2.3. Compressor Drive .........................................................................................................171

18.2.4. Compressor Number of Starts.......................................................................................171

18.2.5. Oil Management System ...............................................................................................171

18.2.6. Oil Differential Pressure at Start-up...............................................................................171

18.2.7. Oil Differential Pressure During Running ......................................................................172

18.2.8. Oil Filter Differential Pressure .......................................................................................173

18.2.9. Compressor Capacity Control Valve Type ....................................................................174

18.2.10. Compressor Slide Valve Position/Motor Speed Correction ...........................................175

18.2.11. Slide Valve Position/Motor Speed Value For Minimum Load ........................................177

18.2.12. Compressor Fails to Unload at Start .............................................................................177

18.2.13. Control, Start and Stop Variables, Second Set Point ....................................................177

18.2.14. Run Enable Signal ........................................................................................................178

18.2.15. Compressor Start Time .................................................................................................179

18.2.16. Oil Pump Start Time and Minimum Run Time ...............................................................179

18.2.17. Demand Oil Pump Start and Stop .................................................................................179

18.2.18. Evaporator Pump Selection, Start and Run Times........................................................180

18.2.19. Condenser Start Time and Run-on Time ......................................................................180

18.2.20. Pump-down ...................................................................................................................180

18.2.21. Oil Rectifier Enable .......................................................................................................181

18.2.22. Economiser Superheat Control Enable .........................................................................181

18.2.23. Evaporator Superheat or Liquid Level Control Enable ..................................................182

18.2.24. Liquid Injection Control Enable......................................................................................182

18.2.25. Condensing Pressure Control Enable ...........................................................................182

18.2.26. Compressor Slide Valve Position/Motor Speed Definition.............................................183

18.2.27. Operating Mode Indication ............................................................................................183

18.2.28. Communications ...........................................................................................................183

18.2.29. Hot Gas Bypass Valve or Suction Pressure Limiting Control Enable ............................184

18.2.30. HallScrew Compressor Variable Volume Ration (VVR) Enable and Slide Valve Option184

18.2.31. Primary/Secondary........................................................................................................185

18.2.32. Variable Speed Drive ....................................................................................................185

18.2.33. Measurement Units .......................................................................................................185

19. Maintenance.............................................................................................................. 187

19.1. Maintenance Check List.......................................................................................................187

20. Spares....................................................................................................................... 187

Fridgewatch 4000 Controller Mk2

Publication 3-71 Section 3

Page 10 of 270 Issue 3.3 : 01/23

List of Figures

Fig 1 Fridgewatch 4000 Controller (Standalone Versions) – Front Panel and HMI Displays ................18

Fig 2 Fridgewatch 4000 Controller (Standalone Standard Version) – Panel Internal Layout................19

Fig 3 Fridgewatch 4000 Controller (Standalone Standard and Harsh Environment Versions) -

Enclosure .................................................................................................................................21

Fig 4 Fridgewatch 4000 Controller (Standalone Arrangement) - Mounting...........................................22

Fig 5 Proportional and Integral (P + I) Control ......................................................................................28

Fig 6 Integral Control Action .................................................................................................................30

Fig 7 Possible Compressor Start/Stop and Capacity Control Modes....................................................33

Fig 8 Fridgewatch 4000 Controller Interface With Fridgewatch System Controller...............................43

Fig 9 Fridgewatch 4000 Controller Interface With SCADA ...................................................................44

Fig 10 Digital Inputs With Inputs Connected (Page 1 Illustrated)..........................................................45

Fig 11 Connecting Diodes ....................................................................................................................46

Fig 12 Transmitter Installation ..............................................................................................................47

Fig 13 Home Page Example: Compressor in ‘Off’ Mode and SC1 and SC2 Not Configured ...............51

Fig 14 Home Page Example: Compressor ‘Available’ ..........................................................................52

Fig 15 Home Page Example: Compressor ‘Tripped’.............................................................................52

Fig 16 System Diagnostics Page..........................................................................................................54

Fig 17 Menu Page ................................................................................................................................55

Fig 18 Digital Inputs Pages 1 to 3.........................................................................................................56

Fig 19 Digital Outputs Pages 1 to 3 ......................................................................................................58

Fig 20 Analogue Inputs Pages 1 to 4....................................................................................................60

Fig 21 Analogue Outputs Pages 1 and 2..............................................................................................62

Fig 22 P + I Diagnostics Page ..............................................................................................................63

Fig 23 Primary Compressor Page ........................................................................................................64

Fig 24 Secondary Compressor Page....................................................................................................64

Fig 25 Trending and Logging Data Page..............................................................................................65

Fig 26 Trending Data – Evaporator Inlet and Outlet Temperature........................................................65

Fig 27 Trending Data – Condenser Inlet and Outlet Temperature........................................................66

Fig 28 Trending Data – Compressor Discharge, Suction and Oil Temperature....................................66

Fig 29 Trending Data – Compressor Discharge, Suction and Oil Injection Pressure............................67

Fig 30 Trending Data – Compressor Capacity......................................................................................67

Fig 31 Trending Data – Compressor Motor Current .............................................................................68

Fig 32 Trending Data – Compressor Lub Oil and Net Oil Pressure, Oil Filter Differential Pressure .....68

Fig 33 Trending Data – Compressor Discharge and Suction Superheat ..............................................69

Fig 34 Trending Example 1 ..................................................................................................................70

Fig 35 Trending Example 1 ..................................................................................................................70

Fig 36 Connecting to the CPU via Ethernet Cable................................................................................72

Fig 37 Trending and Logging Data – Data Logging ..............................................................................73

Fig 38 Uploading Data Log Files ..........................................................................................................74

Fig 39 Clean Screen.............................................................................................................................76

Fig 40 System Control Settings Pages 1 to 3 .......................................................................................77

Fig 41 Economiser Control Settings Pages 1 and 2 .............................................................................79

Fig 42 Liquid Injection Control Settings Page .......................................................................................80

Fig 43 Evaporator and Oil Cooler Control Settings Pages 1 and 2.......................................................81

Fig 44 Condenser Control Settings Page .............................................................................................82

Fig 45 Hot Gas Valve Control Settings Page........................................................................................83

Fig 46 Suction Pressure Limiting Control Settings Page ......................................................................84

Fig 47 Primary/Secondary Control Settings Page ................................................................................85

Fig 48 Alarm, Limit & Trip Settings Pages 1 to 11 ................................................................................86

Fig 49 Operating Mode Page................................................................................................................92

Fig 50 Set Time and Date Page ...........................................................................................................93

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