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Install the cassette type indoor unit
● Electrical wiring
Note: The power of the entire indoor unit must be unity power supply
☆ About the electrical wiring, please see the circuit diagram attached with the unit.
☆ All the installation of electrical wiring must be done by professional personnel.
☆ Please do take the earthing treatment.
Wiring method of connection unit and controller
☆ Connection wiring (communication)：
① Open electric box cover(1), drag the wiring (communication)from the rubber plug A, and impact them well
individually by impact fastener.
② Wiring according to the indoor side circuit diagram.
☆ Fix the impact fastener after connection.
☆ Entwine the small sponge on the electric wire ( do entwine it to prevent condensation)
☆ Impact tightly by impact fastener after connection and then fit on the electric box (1) and (2).
☆ Connect the 3 cord rubber wire to the counter terminal of the 3 way terminal board.
3 core rubber wire
Electric box cover （1）
L
N
power supply
3 way terminal board
3 core rubber wire
Do seal here to prevent
Cable-cross
water inleakage from here
loop
Impact fastener
Cable-cross
loop
Electric box cover （2）
10
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