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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.
① . The power cord and the wire of the fresh air valve are high-voltage, while the communication cord
and connection wire of the wired controller are low-voltage. They should run separately against
electromagnetic interference.
② . The high-voltage and low-voltage lines should pass through the rubber rings at different electric box
covers.
③ . Do not bundle the connection wire of the wired controller and the communication cord together, or
arrange them in parallel, otherwise improper operation would occur.
④ . The high-voltage and low-voltage lines should be fixed separately and securely, with internal big
clamps for the former and small clamps for the latter.
⑤ . Tighten the indoor/outdoor connection cord and power cord respectively on the terminal boards with
screws. Faulty connection may cause a fire.
⑥ . If the indoor unit connection cord (to the outdoor unit) and power supply are wired incorrectly, the air
conditioner may be damaged.
⑦ . Connect the indoor unit connection cord properly based on the corresponding marks as shown in
Fig. 32.
⑧ . Ground both the indoor and outdoor units by attaching a ground wire.
⑨ . Unit shall be grounded in compliance with the applicable local and national codes.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
DC Inverter U-match Series Floor Ceiling Type Unit
Fig.33
CAUTION!
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