Movincool CM25 Service Manual User Manual Page 26
- Page / 89
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- 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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