Movincool Classic 60 Manuale di Servizio Scaricare il pdf (Pagina 41)

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Repair Section

6. TROUBLESHOOTING

6.1 Troubleshooting

• Before troubleshooting the system, the following inspection should be performed.

(1) Inspection of power source voltage

• Check the voltage of the power source.

- Three phase 460 V (60 Hz)

• Check the phase sequence of the power source.

< NOTE >

If the phase sequence is reversed, control panel display turns off. In this case, exchange any two

wires out of the three wires to correct the phase sequence.

• Check the operation and condition of the fuse or circuit breaker in the power source.

(2) Inspection of air filters

• Remove the air filters and check the element. If the element is dirty, wash it as described in the

OPERATION MANUAL supplied with the unit.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 73 74

SERVICE MANUAL 1
Table of Contents 3
Repair Section 5
1. PRECAUTIONS FOR SAFETY 6
2. SPECIFICATIONS 7
2.2 Technical Specifications 8
2.3 Characteristics 9
(2) Cooling capacity curve 10
(3) Power consumption curve 11
(4) Current consumption curve 12
Total Air Volume CFM (X10 13
㪛㪼㫃㫋㪸㪄㪫㩷 °F (°C) 13
Relative Humidity (%) 13
USAGE RANGE 14
3. CONSTRUCTION 15
3.2 Basic Construction 16
3.3 Air Flow 16
Condenser 17
Evaporator 17
4.2 Compressor 18
High Temp./High Pressure 19
Liquid Refrigerant 19
Low Temp./Low Pressure 19
Gas and Liquid Mixture 19
4.6 High Pressure Switch 20
5. ELECTRICAL SYSTEM 21
Operation Section 22
5.3 Power Supply Requirements 23
(2) Power supply wires 24
(3) Connection to unit 24
RC RC Common 25
Y Y Cool On/Off 25
G G Fan On/Off 25
5.7 Basic Operation 29
(2) Fan only mode 30
(3) Cool mode 30
(5) Diagnostic code 30
5.8 Relay Board 31
(2) Input signal 32
(3) Dip switch setting 33
5.9 Control Specifications 34
5.10 Compressor 36
5.11 Fan Motor 37
5.12 Transformer 38
5.13 Control Box 38
5.14 Compressor Motor Relay 39
5.15 Fan Motor Relay 39
1/L1 3/L2 5/L3 97 95 40
986/T34/T22/T1 40
6. TROUBLESHOOTING 41
6.2 Self-Diagnostic Codes 42
6.3 Troubleshooting Chart 43
6.4 Basic Inspection 47
Cool Air Out 48
Evaporator Air In 48
Thermometer 48
6.5 Inspection of Transformer 49
6.6 Inspection of Fan Motor 49
6.8 Thermistor Inspection 50
(3) Insufficient refrigerant 51
7. DISASSEMBLY 52
Screws (3) 53
Screws (2) 54
7.3 Removal of Control Panel 55
Fan Motor 57
Motor Stay 57
Nuts (3) 57
Screws (4) 59
Inlet Ring 59
(1) Control box 61
8. REFRIGERANT SYSTEM REPAIR 62
(4) Use of dry nitrogen gas 63
(5) Vertical Joint 63
(2) Evacuation 66
(3) Checking vacuum 67
Refrigerant 68
Cylinder R-410A 68
(5) Evacuation (repeat) 69
(2) Removal of gauge manifold 71
9. REASSEMBLY 72
9.4 Evaporator Fan Assembly 73
9.5 Wiring Notice 73
9.6 Perform the Inspection 73
DENSO SALES CALIFORNIA, INC 74
Long Beach, CA 90810 74

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Movincool Classic 60 Manuale di Servizio Pagina 41

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