Sanyo CL1852 - Manual (Page 47)

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9. TROUBLESHOOTING
9-1. Check before and after troubleshooting
9-1-1. Check power supply wiring
● Check that power supply wires are correctly connected to terminals No. 1 and No. 2 on the terminal plate
in the outdoor unit.
9-1-2. Check inter-unit wiring
● Check that inter-unit wiring is correctly connected to the indoor unit from the outdoor unit.
9-1-3. Check power supply
● Check that voltage is in specified range (±10% of the rating).
● Check that power is being supplied.
9-1-4. Check lead wires and connectors in indoor and outdoor units
● Check that coating of lead wires is not damaged.
● Check that lead wires and connectors are firmly connected.
● Check that wiring is correct.
1
Indoor
unit
Outdoor
unit
Ground
2
4
5 5
1
2
Ground
4
Inter-unit
power wiring
Power supply:
50Hz, 1-phase, 220 – 240V AC
60Hz, 1-phase, 22V AC
Hazardous voltage can cause ELECTRIC SHOCK or
DEATH. Disconnect power or turn off circuit breaker
before you start checking or servicing.
WARNING
099-464 SM (17-56) 2/7/00 4:19 PM Page 44