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