18
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.
IMPORTANT
Install unit so that unit disconnect is accessible.
Use specied wiring and cable to make electrical
connections. Clamp cables securely and make sure that
connections are tight to avoid strain on wiring. Insecure
wiring connections may result in equipment failure and
risk of re.
Wiring must be installed so that all cover plates can be
securely closed.
IMPORTANT
All diagrams (Figure 35 through Figure 43) are typical
wiring diagrams. Refer to the wiring diagram on the unit
for actual wiring.
208/230V Outdoor Unit
Terminal Block
From Power
Supply
1 2 3 L1 L2
Terminal Block
1 2 3
208/230V Indoor Unit
Outdoor Unit Indoor Unit
Figure 33.
From Power
Supply
Indoor Unit
CommunicationTerminal Block
L1 L2
Power Terminal Block
208/230V Outdoor Unit
L1 L2
L1 L2
Power Terminal Block
208/230V Outdoor Unit
Power Terminal Block
208/230V Indoor Unit
S1 S2
Communication Terminal Block
Outdoor Unit
E Y X
Y
Q
S1
E P
S2
Outdoor Unit
Indoor Unit
Figure 34.
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