Movincool CM25 Service Manual User Manual Page 5
- Page / 89
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
Table of Contents
Repair Section
6. TROUBLESHOOTING
6.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.2 Self-Diagnostic Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.3 Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.4 Self-Diagnostic Code Display Operation and Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6.5 Self-Diagnostic Code Records Display Operation (Only When Connected With WMC) . . . . . . . . . 57
6.6 Operational Status Display Control (Only When Connected With WMC) . . . . . . . . . . . . . . . . . . . . . 59
6.7 Initialize Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.8 TEST Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
6.9 Basic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
6.10 Inspection of Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.11 Inspection of Electronic Expansion Valve Control Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.12 Inspection of Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.13 Inspection of Wiring Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.14 Inspection of Refrigeration System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
7. DISASSEMBLY
7.1 Parts Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
7.2 Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
7.3 Removal of Evaporator Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
7.4 Removal of Condenser Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
7.5 Removal of Electrical Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
8. REFRIGERATION SYSTEM REPAIR
8.1 Repair of Refrigeration System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
8.2 Removal of Refrigeration System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
8.3 Charging the System with R-410A Refrigerant. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
8.4 Refrigerant Charging Work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
9. REASSEMBLY
9.1 Reassembly of Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
9.2 Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
9.3 Evaporator Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
9.4 Condenser Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
9.5 Wiring Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
9.6 Perform an Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
- SERVICE MANUAL 1
- Nameplate Label 2
- Table of Contents 3
- Repair Section 5
- 1. PRECAUTIONS FOR SAFETY 6
- 2. SPECIFICATIONS 7
- 2.2 Technical Specifications 8
- 2.3 Characteristics 10
- (2) Cooling capacity curve 11
- (3) Power consumption curve 12
- (4) Current consumption curve 13
- < NOTE > 14
- 3. CONSTRUCTION 15
- 3.2 Internal Structure 16
- 3.4 Air Flow 17
- 3.3 Basic Construction 17
- 4. REFRIGERATION SYSTEM 18
- Operation Section 19
- 4.2 Compressor 20
- (3) Operation 21
- 4.3 Condenser 22
- 4.5 Evaporator 23
- 4.6 Accumulator 24
- 4.7 High-Pressure Switch 24
- 5. ELECTRICAL SYSTEM 25
- 5.2 Control Box 26
- 5.3 Power Supply Requirements 27
- LCD Display 29
- Unit Terminal 33
- Warning Device 33
- Relay Output Contactor 33
- Fire Alarm Device 34
- Open Dry Contact 34
- 5.8 Basic Operation 35
- 5.9 Compressor Operation 35
- (1) When the WMC is connected 36
- (2) When the MWT is connected 36
- 5.14 Anti-Frost Control 37
- (Automatic Recovery Function) 37
- 5.17 Relay Board 38
- 12 12341234 39
- DSW1 DSW2 DSW3 DSW4 39
- 5.18 Compressor 40
- 5.19 Fan Motor 41
- 5.20 Temperature Thermistor 42
- 5.21 Float Switch 42
- 6. TROUBLESHOOTING 43
- 6.2 Self-Diagnostic Codes 44
- Alarm (buzzer) patterns 47
- Alarm clear method 48
- 6.3 Troubleshooting Chart 50
- (1) Display method 57
- 6.7 Initialize Fan Motor 61
- 6.8 TEST Mode 63
- 6.9 Basic Inspection 64
- 6.10 Inspection of Compressor 65
- Temp.°F (°C) 66
- (2) Refrigerant leak 67
- (3) Insufficient refrigerant 67
- 7. DISASSEMBLY 68
- 7.2 Disassembly 69
- (1) Relay board 76
- (1) Proper brazing techniques 78
- (4) Use of dry nitrogen gas 79
- (5) Vertical joints 79
- (2) Evacuation 82
- (3) Checking vacuum 83
- Refrigerant 84
- Cylinder R-410A 84
- (5) Evacuation (repeat) 85
- (2) Removal of gauge manifold 87
- 9. REASSEMBLY 88
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