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18 31-5000474 Rev. 1
ENGLISH
ELECTRICAL WIRING
• Indoor units must share one single electrical breaker. Circuit breaker specifications should be
calculated. It is recommended to have both indoor & outdoor units connected to GFCI and surge
devices.
Signal Wiring Drawing
L1(L)L2(N)
L1(L) L2(N)
L1(L)L2(N)
L1(L)L2(N)
......
Ground Fault Interruptor
Circuit Breaker
Ground Fault Interruptor
Circuit Breaker
Power Source: 208/230V~, 60Hz
Power Source: 208/230V~, 60Hz
Outdoor
Indoor 1 Indoor 2 Indoor 9
PQ
PQABC PQABC PQABC
ABC
Outdoor
Indoor 1
Indoor 4
Indoor 7
Indoor 2
Indoor 5
Indoor 8
Indoor 3
Indoor 6
Indoor 9
PQABC PQABC PQABC
PQABC PQABC PQABC
ABC ABC
ABC
ABCABC
ABCABC
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller
Wired controller Wired controller
Wired controller
Communication wire between indoor
and outdoor without polarity
Control wire for wired controller
with polarity
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