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DC Inverter U-match Series Duct Type Unit
Three-phase units
(5). Electric wiring of indoor unit side
Remove the electric box cover from the electric box sub-assy and then connect the wire.
The F, C, O connect to the COMMOM, CLOSE and OPEN terminal of the fresh air valve
respectively.
The power cord and the wire of the fresh air valve are high-voltage, while the communication
① .
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 internal
④ .
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 incorrectly,
⑥ .
the air conditioner may be damaged.
GUHD36NM3FO+GFH36K3FI
GUHD42NM3FO+GFH42K3FI
GUHD48NM3FO+GFH48K3FI
GUHD60NM3FO+GFH60K3FI
① . Power cord 3×2.5mm
② . Power cord 3×1.0mm
③ . Communication Cords 2×0.75mm
Fig.42
Fig.43
CAUTION!
25
2
(H07RN-F)
2
(H05RN-F)
2
(H05RN-F)
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