14
IMPORTANT
This unit must be properly grounded and protected by a circuit breaker. The ground wire for the unit must not be
connected to a gas or water pipe, a lightning conductor or a telephone ground wire.
Do not connect power wires to the outdoor unit until all other wiring and piping connections have been completed.
Do not install the unit near a lighting appliance that includes a ballast. The ballast may affect remote control operation.
Table 7. Single Zone Installation Wiring Requirements
Systems and Terminal
Designations
System Capacity System Voltage
Number of
Conductors
Wire Type Wire Gauge / MCA
Indoor to Outdoor Wiring
(Communication/Power)
1, 2, 3 and GND
12K 115VAC 4
Stranded and
unshielded
16AWG
Outdoor to Main Power
L, N and GND
12K 115VAC 3 14AWG / 15A
Indoor to Outdoor Wiring
(Communication/Power)
1, 2, 3 and GND
09K 208/230VAC 4 16AWG / 10A
Indoor to Outdoor Wiring
(Communication/Power)
1, 2, 3 and GND
12K 208/230VAC 4 16AWG / 11A
Outdoor to Main Power
L1, L2 and GND
09K and 12K 208/230VAC 3 16AWG / 9A
Indoor to Outdoor Wiring
(Communication/Power)
1, 2, 3 and GND
18K and 24K 208/230VAC 4 16AWG
Outdoor to Main Power
L1, L2 and GND
18K and 24K 208/230VAC 3 14AWG / 18A
MCA = Minimum Circuit Amps
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