Carrier 53KHET 12 Installation Manual page 46

CONNECTING ELECTRICAL WIRING (Cont.)
18-6 FILED ELECTRICAL WIRING
18-6-1 FIELD ELECTRICAL WIRING FOR COOL ONLY SYSTEMS SIZES 12K – 18K
LEGEND
Earth
1 Live power supply.
2 Neutral power supply.
Sizes of electrical wires
L N
3 mm 3 mm 3 mm
2 2
18-6-2 FIELD ELECTRICAL WIRING OF HEAT PUMP SYSTEMS SIZES 12K – 18K
Sizes of electrical wires
L N
3 mm 3 mm 3 mm
2 2
NOTES
(1) Connect the power supply to the indoor unit and then get the power required
for the outdoor unit from the indoor unit.
(2) All dotted lines to be fitted by installer.
(3) Refer to wiring diagrams and stickers-caution sticked inside the outdoor & indoor units.
1 2
3 mm
2 2
1 2 3
3 mm 1 mm
2 2 2
Main
Switch
Circuit
Breaker
Main
Circuit
Switch
Breaker
4
1 mm
2
44
Outdoor Units
38KHET12-708
38KHET18-708
Indoor Units
42KHET12-708F
42KHET18-708F
Outdoor Units
38QHET12-708
38QHET18-708
Indoor Units
42QHET12-708F
42QHET18-708F