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Fig. 6.1 ndoor unit and outdoor unit
communication wire connection
20
If connected, the pr
inted circuit board will be damaged.
These terminals are for the Control.
Do not connect the Power Source Line to the terminal 1 and 2.
INCORRECT
Indoor Unit
Outdoor Unit
ELB for
(4)
terminal board in the electrical control box
of both outdoor unit and indoor unit, and
connect the ground wire to the electrical
control box of outdoor unit.
In addition, connect the ground wire to
earth screw in the electrical control box of
indoor unit. Refer to Fig. 6.2.
Refer to Fig. 6.1.
6.2 Electrical Wiring Connection
(1) Connect the power supply wires to the
(2) Connect the wires between the outdoor
and indoor units to terminals 1 and 2 on the
terminal board.
If power supply wiring is connected to 1
and 2 of terminal board (TB1), printed
circuit board will be damaged.
Remote
Control
Switch
(Option)
(3) Do not wire in front of the fixing screw of
the service panel. If you do, the screw can
not be removed.
NOTES:
2.
If total wiring length less than 98ft
(30m), it is possible to use the normal
wiring (0.3mm
2
) except twist pair
cable.
1. In case of total wiring length at intermediate
wiring between outdoor unit and indoor unit
and between indoor units is less than 328 ft
(100m), it is possible to use the normal wiring
(more than AWG18 (0.75mm
2
) )except twist
pair cable.
ELB for
Outdoor Unit
Indoor Unit
Indoor Unit
CORRECT
Remote
Control
Switch
(Option)
Remote
Control
Switch
(Option)
INCORRECT
ELB for
Outdoor Unit
Outdoor Unit
Indoor Unit
FUSE
Switch
FUSE
Switch
208/230V ~ 60Hz
208/230V ~ 60Hz
208/230V ~ 60Hz
can be extended up to 1640.4ft.(500m).
Total wiring length for remote control switch
L1 L2
L1 L2
L1 L2 L1 L2
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rmna oc
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