Multi Variable Air Conditioners Ducted Type Indoor Unit
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5.2 Power Cord Connection
WARNING!
① Every unit should be equipped with a circuit breaker for short-circuit and overload protection.
② During operation, all indoor units connected to the same outdoor unit system must be kept
energized status. Otherwise, the unit can’t operate normally.
Fig.5.2
(1) Detach the electric box lid.
(2) Let the power cord pass through the wiring through-holes.
(3) Connect wires according to Fig. 5.2.
(4) Fix the power cord with wiring clamp.
5.3 Connection of Communication Wire between Indoor Unit and Outdoor
Unit (or indoor unit)
(1) Detach the electric box lid.
(2) Let the Communication cable pass through the wiring through-holes.
(3) Connect the communication wire to terminal D1 and D2 of indoor 4-bit wiring board, as shown
in Fig.5.3.1.
Fig.5.3.1
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