47
(c) Check power supply
• Check that voltage is in specified range (± 10% of the rating).
• Check that power is being supplied
(d) 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 connected firmly.
• Check that wiring is correct.
L1
L2
L3
N
400V
400V
230 V
400V
L
N
220V
Single-phase systems
Three-phase systems