Sanyo SAP-K77RAX User Manual download pdf (Page 43)

9. TROUBLESHOOTING

9-1. Check before and after troubleshooting

9-1-2. Check inter-unit wiring.

Check that inter-unit wiring is correctly connected between indoor unit and 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.

9-1-1. Check power supply wiring.

Check that power supply wires are correctly connected to terminals L and N on the terminal plate in the outdoor

unit.

WARNING

Hazardous voltage can cause ELECTRIC SHOCK or

DEATH. Disconnect power or turn off circuit breaker

before you start checking or servicing.

Grounding line

Grounding

line

INDOOR

UNIT

OUTDOOR

UNIT

Terminal

Inter-unit wiring

Terminal

Power supply

Single-phase 220-240VAC 50Hz

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Sanyo SAP-K77RAX User Manual Page 43