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(5) Electric wiring of indoor unit side
Remove the left cover plate and the electric box cover then insert the end of the communication
cord and the power cable into the terminal board.
The power cord and the wire of the fresh air valve are high-voltage, while the
① .
communication cord and connection wire of the wired controller are low-voltage. They
should run separately against electromagnetic interference.
The high-voltage and low-voltage lines should pass through the rubber rings at different
② .
electric box covers.
Do not bundle the connection wire of the wired controller and the communication cord
③ .
together, or arrange them in parallel, otherwise improper operation would occur.
The high-voltage and low-voltage lines should be fixed separately and securely, with
④ .
internal big clamps for the former and small clamps for the latter.
Tighten the indoor/outdoor connection cord and power cord respectively on the terminal
⑤ .
boards with screws. Faulty connection may cause a fire.
If the indoor unit connection cord (to the outdoor unit) and power supply are wired
⑥ .
incorrectly, the air conditioner may be damaged.
Connect the indoor unit connection cord properly based on the corresponding marks as
⑦ .
shown in Fig.31.
Ground both the indoor and outdoor units by attaching a ground wire.
⑧ .
Unit shall be grounded in compliance with the applicable local and national codes.
⑨ .
The signal line of the wire controller must be separated from the power line.
⑩ .
Floor Ceiling Air-Conditioning Unit
Fig.32
CAUTION!
21
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