Movincool CM 25 Manuel de service télécharger pdf (Page 68)

Repair Section

7. DISASSEMBLY

WARNING

• Disconnect power supply from the unit before performing any service. Beware that some

residual voltage may remain in the unit immediately after the power is disconnected.

7.1 Parts Construction

ILL00667-00

Top Panel

Frame

Front Left Panel

Front Right Panel

Control Box

Condenser

Right Panel

Evaporator

Rear Panel

Drain Pan

Frame

Internal

Drain Pump

Compressor

Accumulator

Condenser

Thermistor (CTS1)

Condenser Inlet Air

Thermistor (ODS)

Evaporator Inlet Air

Thermistor (RTS2)

Evaporator Pipe

Inlet Thermistor (CTS2)

Service Panel

Left Panel

Evaporator

Pipe Outlet

Thermistor (CTS3)

Condenser Fan

Evaporator Fan

Float Switch

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 88 89

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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Movincool CM 25 Manuel de service Page 68

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