Carrier 53KHET 30-36 - Field Wiring Diagrams and Wire Sizes

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CONNECTING ELECTRICAL WIRING (Cont.)
18-6 FIELD CONNECTIONS ELECTRICAL WIRING
OF COOL ONLY AND HEAT PUMP SYSTEMS
LEGEND
Earth
L Live power supply.
N Neutral power supply.
1 Live connection indoor unit / outdoor unit.
2 Neutral connection indoor unit / outdoor unit
S Communication connection indoor unit / outdoor units
Sizes of electrical wires
L N 1 2 S
6 mm
2
6 mm
2
1 mm
2
1 mm
2
1 mm
2
Notes
(1) Connect the power supply to the outdoor unit and then get
the power required for the indoor unit from the outdoor unit.
(2) All dotted lines to be fitted by installer.
(3) Refer to wiring diagrams and stickers-caution sticked inside the outdoor & indoor units.
220-240V ~ 50Hz 1Ph
Circuit Breaker
Main Switch
Indoor
Unit
Outdoor
Unit