Sanyo KMH 0922 Air Conditioner
Manufacturer:
Model:
KMH 0922
Date:
0
Category:
Group:
Description:
Split System Air Conditioner
Service Manual
Manual type:
Service Manual
Pages:
42
Size:
1.90 Mbytes (1997241 Bytes)
Language:
english
Revision:
Manual ID:
WM-700717
Date:
Quality:
Scanned document, all readable.
Upload date:
2015 07 20
MD5:
abb8fa5f437f472832bfddfe3a221975
Downloads:
1501

Information

1. SPECIFICATIONS 1-1 Unit Specifications ... 1 (1) Outdoor Unit ... 1 (2) Applicable Indoor Unit ... 2 1-2 Major Component Specifications ... 3 (1) Outdoor Unit ... 3 (2) Indoor Unit ... 4 1-3 Other Component Specifications ... 5 (1) Outdoor Unit ... 5 (2) Indoor Unit ... 5 2. PERFORMANCE CHARTS 2-1 Cooling Characteristics ... 6 (1) Operating Current ... 6 (2) Operating Pressure ... 7 2-2 Heating Characteristics ... 8 (1) Operating Current ... 8 (2) Operating Pressure ... 9 3. AIR THROW DISTANCE CHART ... 10 4. FUNCTION 4-1 Room Temperature Control ... 11 4-2 Energy Saver Modes Timing Charts ... 13 4-3 Night Setback Modes Timing Charts ... 14 4-4 Freeze Prevention ... 15 4-5 Overload Prevention ... 15 4-6 Cold Draft Prevention ... 16 4-7 Defrosting Mode ... 17 5. ELECTRICAL DATA • Schematic Diagram ... 19 • Electric Wiring Diagram (PCB Ass’y) ... 20 6. TROUBLESHOOTING 6-1 Check before and after troubleshooting ... 23 (1) Check power supply wiring ... 23 (2) Check inter-unit wiring and inter-unit control wiring ... 23 (3) Check power supply ... 23 (4) Check lead wires and connectors in indoor and outdoor units ... ... ... 23 (5) Reference ... 24 (a) Condition of general cooling operation (b) Condition of general heating operation 6-2 Air Conditioner does not operate ... 26 (1) Circuit breaker trips (or fuse blows) ... 26 (a) When circuit breaker is set to ON, it trips in a few moments (b) Circuit breaker trips in several minutes after turning Air Conditioner ON (2) Neither indoor unit nor outdoor unit runs ... 28 (a) Power is not supplied (3) Indoor A (or B) and compressor A (or B) do not run ... 28 (a) Check OPERATION selector switch in remote control unit (b) Check transformer (c) Check fuse on PCB Ass’y in indoor unit 6-3 A particular component of Air Conditioner does not operate ... 30 (1) Only compressor motor A (or B) does not run ... 30 (2) Only indoor fan does not run ... 32 7. CHECKING ELECTRICAL COMPONENTS 7-1 Measurement of Insulation Resistance ... 34 (1) Power Supply Wires ... 34 (2) Indoor Unit ... 34 (3) Outdoor Unit ... 34 (4) Measurement of Insulation Resistance for Electrical Parts ... 34 7-2 Checking Continuity of Fuse on PCB Ass’y ... 35 7-3 Checking Motor Capacitor ... 35 7-4 Appearance of Electrical Parts ... 36 (1) Power Relay ... 36 (2) Heater Relay ... 36

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