Sanyo SAP–K92A - Troubleshooting; Initial Troubleshooting Checks

9. TROUBLESHOOTING
9-1. Check before and after troubleshooting
9-1-1. Check power supply wiring.
●
Check that power supply wires are connected to correct terminals 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.
Grounding
line
OUTDOOR UNITINDOOR UNIT
1
2
4
1
2
4
5
5
Power line
5P
Terminal
5P
Terminal
Grounding line
INDOOR UNIT OUTDOOR UNIT
TerminalTerminal
Power
line
Control
line
1
4
2
1
4
2
5
6
Grounding line
Power supply
50 Hz, 1-phase,
220-240 VAC
Grounding line
• K182A + C182A
• K252A + C252A
Inter-unit
wiring
Inter-unit
wiring
Power supply
50 Hz, 1-phase ,
220-240 VAC
• K92A + C92A
• K122A + C122A
43
WARNING
Hazardous voltage can cause ELECTRIC SHOCK or
DEATH. Disconnect power or turn off circuit breaker
before you start checking or servicing.