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18 31-5000553 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
Communication wire between indoor
and outdoor without polarity
Control wire for wired controller
with polarity
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