Movincool CM12 Service Manual User Manual download pdf (Page 22)

Operation Section

5.2 Control Box

(1) For unit serial number from 0415XXXXC12 to Present

*:Please refer to page 2 for the position of the name plate showing the serial number on the unit.

ILL00956-00

CF1: Capacitor for

Evaporator Fan Motor

CF2: Capacitor for

Condenser Fan Motor

TB2: Terminal Block2

RB: Relay Board

TB1: Terminal Block1

CC: Capacitor for Compressor

4-Position Dipswitch

"OFF" Position

RX: Auxiliary Relay

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 72 73

SERVICE MANUAL 1
Nameplate Label 2
Table of Contents 3
6. CONNECTION AND SETTING 4
1. PRECAUTIONS FOR SAFETY 6
2. CONSTRUCTION 7
2.2 Exterior Overview 8
2.3 Internal Structure 9
2.4 Basic Construction 10
2.5 Air Flow 10
3. SPECIFICATIONS 11
× D × H Without Flange and 12
×19.9 × 15.2 in 12
× 505 × 386 mm) 12
× 22.7 × 15.8 in 12
× 577 × 401 mm) 12
< NOTE > 13
3.2 Characteristics 14
4. REFRIGERATION SYSTEM 15
4.2 Compressor 16
(3) Operation 17
4.3 Condenser 18
High Temp./High Pressure 19
Liquid Refrigerant 19
Low Temp./Low Pressure 19
Gas and Liquid Mixture 19
4.7 High-Pressure Switch 20
5. ELECTRICAL SYSTEM 21
5.2 Control Box 22
Operation Section 23
5.3 Operation 24
5.4 Relay Board 25
(2) Dip switch setting 26
5.5 Compressor 27
5.6 Fan Motor 28
5.7 Capacitor 29
5.8 Temperature Thermistor 29
5.9 Drain Pump 29
5.10 Float Switch 30
6. CONNECTION AND SETTING 31
GYWRCRHOB 33
6.3 Warning Signal Connection 34
7. TROUBLESHOOTING 36
7.2 Alarm 37
7.3 Troubleshooting Chart 39
(2) Insufficient cooling 41
7.4 Basic Inspection 42
(1) Ohm-meter method 43
(2) Capacitance tester method 43
7.6 Inspection of Compressor 44
Temp.°F (°C) 45
(2) Refrigerant leak 46
(3) Insufficient refrigerant 46
8. DISASSEMBLY 47
8.2 Disassembly 48
Repair Section 49
Nuts (2) 50
Bolts (4) 52
Wire Connection 52
Nuts (4) 53
Condenser Fan Assembly 53
(3) Relay Board 57
(1) Proper brazing techniques 59
(4) Use of dry nitrogen gas 60
(5) Vertical joints 60
ILL00084-00 64
(2) Evacuation 65
(3) Checking vacuum 66
Refrigerant 67
Cylinder R-410A 67
(5) Evacuation (repeat) 68
(2) Removal of gauge manifold 70
10. REASSEMBLY 71
10.3 Evaporator Fan Assembly 72
10.4 Condenser Fan Assembly 72
10.5 Wiring Notice 72
10.6 Perform an Inspection 72

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Movincool CM12 Service Manual User Manual Page 22

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