Carrier 53KHET 12 Installation Manual page 47

CONNECTING ELECTRICAL WIRING (Cont.)
18-6 FILED ELECTRICAL WIRING (Cont.)
18-6-3 FIELD ELECTRICAL WIRING SIZE 24K
OF COOL ONLY AND HEAT PUMP SYSTEMS
Main Switch
Circuit Breaker
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
4 mm 4 mm 1 mm
2 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.
2 S
1 mm 1 mm
2 2 2
45
Outdoor Units
38KHET24-708
38QHET24-708
Indoor Units
42KHET24-708F
42QHET24-708F