Emerson E2 Instrukcja Operatora Pobierz pdf (Strona 4)

4.3 Startup Codes 29

4.4 Status Code Troubleshooting 29

4.4.1 Normal - Off 30

4.4.2 Normal - Running 31

4.4.3 Demand Cooling Injecting 32

4.4.4 Low Suction Pressure 33

4.4.5 Low Oil Pressure 34

4.4.6 Motor Protection Trip 35

4.4.7 Welded Contactor 36

4.4.8 Low Supply Voltage 37

4.4.9 Module Failure 38

4.4.10 Discharge Pressure 39

4.4.11 Discharge Temperature 40

4.4.12 Loss of Communication 41

4.4.13 Disabled by Rack Controller 43

4.4.14 Phase Loss 44

4.4.15 No 3-Phase Power 45

4.4.16 No Code 46

4.4.17 Unknown Code 47

5 Maintenance Procedures for Intelligent Store™ Discus® Compressors 48

5.1 Demand Cooling Service Procedures 48

5.1.1 Manually Triggering Injection 49

5.1.2 Temperature Probe Inspection 49

5.1.3 Coil Inspection and Replacement (2D / 3D) 50

5.1.4 Coil Inspection and Replacement (4D) 50

5.1.5 Injection Valve Replacement (2D/3D) 51

5.2 Compressor Replacement (2D / 3D) 53

5.2.1 Removal of the Compressor 53

5.2.2 Installation of the Compressor (2D / 3D) 54

5.3 Module Replacement for 2D / 3D 55

5.4 Service Procedures for the 4D Compressor 55

5.4.1 Compressor Replacement 55

5.4.2 Suggested Procedure for Replacement of the Module (4D) 56

5.4.3 Suggested Procedures for Conducting a Head Inspection 57

5.5 Serial Number Change after Compressor Replacement 58

5.6 Replacement Module Information 59

5.6.1 Determine the Replacement Module Part Number 59

5.6.2 Power-up Instructions for the New Module 59

5.7 Event Counters - Service Procedures 59

5.8 Pressure Switch Replacement 60

5.9 “Hi-Pot” Testing 60

5.10 Lifting Instructions 60

Appendix

A Wiring 61

A.1 Module Wiring 61

A.2 Fusing 62

A.3 Communication Wiring 63

B Demand Cooling Temperature Comparison 63

C Parts List 64

D Reference Drawings 67

E Technical Support 70

AE8-1337 R1

1 2 3 4 5 6 7 8 9 ... 70 71

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Emerson E2 Instrukcja Operatora Strona 4

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