Equipment information

Sanyo CH 2422 Air Conditioner
Manufacturer:
Sanyo
Model: CH 2422
Date:
Category: Home electronics
Group: Air Conditioner
Description: Split System Air Conditioner
Information:

These manuals are available for the above equipment:

Manual Type: Service Manual Sanyo-6921-Manual-Page-1-Picture
Pages: 44
Size: 4.52 Mbytes (4734772 Bytes)
Language: english
Revision:
Manual-ID/Number: WM-700726
Date:
Quality: Scanned document, all readable.
Upload date:
MD5: 23d269d7fb9d9c7563e40ce0b2ce4c73
Downloads: 400 since 20 July 2015
Information:

1. SPECIFICATIONS 1-1 Unit Specifications ... 1 1-2 Major Component Specifications ... 2 (1) Indoor Unit ... 2 (2) Outdoor Unit ... 3 1-3 Other Component Specifications ... 4 2. PERFORMANCE CHARTS 2-1 Cooling Characteristics ... 6 2-2 Heating Characteristics ... 9 3. AIR THROW DISTANCE CHART ... 12 4. FUNCTION 4-1 Room Temperature Control ... 13 4-2 Freeze Prevention (Cooling) ... 15 4-3 Outdoor Fan Speed Control (Cooling) ... 15 4_4 Overload Prevention (Heating) ... 15 4-5 Change-over ... 16 4-6 Defrosting Operation (Heating) ... 17 4-7 Self-Diagnostic Function ... 19 (1) Fault with Serial Communication ... 19 (2) Open or Short Circuit of Sensor (thermistor) ... 19 (3) Locked Compressor Cut-off ... 19 (4) Compressor Winding Protection ... 19 (5) Combination of LED Lamps on PCB Ass'y ... 20 (6) Arrangement of LED Lamps on PCB Ass’y ... 20 5. ELECTRICAL DATA • Schematic Diagram ... 21 t Electric Wiring Diagram (PCB Ass ’y) ... 22 6. TROUBLESHOOTING 6-1 Check before and after troubleshooting ... 26 (1) Check power supply wiring ... 26 (2) Check inter-unit wiring ... 26 (3) Check power supply ... 26 (4) Check lead wires and connectors in indoor and outdoor units ... 26 6-2 Troubleshooting Flowchart ... 27 6-3 Checking and Troubleshooting ... 30 (1) Measure insulation resistance for ground fault ... 30 (2) Check circuit breaker ... 30 (3) Measure resistance for short circuit ... 31 (4) Check power supply ... 31 (5) Check remote control unit ... 31 (6) Check OPERATION selector switch in indoor unit ... 31 (7) Check serial communication between indoor unit and outdoor unit ... 32 (a) Check transformers in indoor and outdoor units (b) Check fuses on PCB Ass’y in indoor and outdoor units (c) PCB Ass’y in either indoor or outdoor unit is defective (8) Only compressor does not run ... 33 (9) Only fan motor does not run ... 33 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) Heater Relay ... 36 (2) Relay ... 36 (3) Electro-Magnetic Contactor ... 36 (4) Thermistor (PTC) ... 36

Sanyo-6921-Manual-Page-1-Picture


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