Equipment information:

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

These manuals are available for the above equipment:

Sanyo -- KHS 2422 -- Service Manual
File name: Sanyo-6921-Manual-Page-1-Picture
Manual Type: Service Manual
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
ed2kID: ce0c95ec3346bc4a9a10e4409a7daa77
Downloads: 39 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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