Multi Variable Air Conditioners Ducted Type Indoor Unit
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cutting tool.
2) Loosen the wiring screws on terminal board.
3) Insert the wire into the ring tongue terminal and tighten by crimping tool.
4) Use the screwdriver for tightening the terminal.
Fig 5.1.1 Fig 5.1.2
5.2 Power Cord Connection
(1) Every unit should be equipped with a circuit breaker for short-circuit and overload
protection.
(2) In general, circuit breaker is at OFF status. During operation, all indoor units and outdoor
units belonging to the same system must be kept energized status. Otherwise, the unit can
’
t
operate normally.
Fig 5.2
●
For units with single-phase power supply.
(1) Detach the electric box lid.
(2) Let the power cord pass through the wiring through-holes.
(3) Connect the power cord to terminal "L1, L2,
“.
(4) Fix the power card with wiring clamp.
(5)
The wire diameter of power cord can’t be less than 18AWG.
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
