Contents
Preface ................................................................................................................................ 1
Safety Instructions ............................................................................................................... 1
Chapter 1 Product ................................................................................................................ 2
1 Unit List ............................................................................................................................. 2
2 Parameters ....................................................................................................................... 3
3 The Range of Production Working Temperature ............................................................. 10
Chapter 2 Commissioning .................................................................................................. 11
1 Commissioning Process ................................................................................................. 11
2 Safety Requirements ...................................................................................................... 11
3 Unit Commissioning ........................................................................................................ 12
4 Unit Function Settings ..................................................................................................... 41
Chapter 3 Faults ................................................................................................................ 71
1 Error Indication ............................................................................................................... 71
2 Troubleshooting .............................................................................................................. 75
3 Non-fault Type Troubleshooting .................................................................................... 202
Chapter 4 Maintenance.................................................................................................... 204
1 Precautions for Refrigerant Leakage ............................................................................ 204
2 Refrigerant Charging..................................................................................................... 204
3 Refrigerant Charging Method ........................................................................................ 206
4 Inspection of Key Parts ................................................................................................. 209
5 Replacement of Key Unit Parts ..................................................................................... 266
6 Explosive View and Parts List ....................................................................................... 303
Appendixes ...................................................................................................................... 309
Appendix 1 Temperature Senor Resistance and Temperature Relationship Table ........... 309
Appendix 2 Refrigerant Temperature and Pressure Table ............................................... 316
Appendix 3 Pressure Sensor Voltage and Pressure Table ............................................... 317
Appendix 4 Electric Specifications ................................................................................... 320
Appendix 5 Circuit Diagram ............................................................................................. 322
Appendix 6 Schematic Diagram ....................................................................................... 325
Appendix 7 Names and Functions of Components .......................................................... 328