DC Inverter U-match Series Duct Type Unit
30
①
The power
wire
and the wire of the fresh air valve are high-voltage, while the communication
wire
and connection wire of the wired controller are low-voltage. They should run separately
to
avoid
electromagnetic interference.
②
The high-voltage and low-voltage lines should pass through the rubber rings
of the
different
electric
box covers.
③
Do not bundle the connection wire of the wired controller and the communication
wire
together,
or arrange them in parallel, 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
wire
and power
wire
respectively on the terminal boards
with screws. Faulty connection may cause a fire.
⑥
If the indoor unit connection
wire
(to the outdoor unit) and power supply are wired incorrectly,
the
air conditioner may be damaged.
⑦
Connect the indoor unit connection
wire
properly based on the corresponding marks as shown
in Fig. 4.40.
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.
(6) Electric wiring of outdoor unit side
NOTICE!
When connecting the power supply
wire
, make sure that the phase of
the power supply matches with the exact terminal board. If not, the compressor will
rotate
in
reverse and run improperly.
Remove the big handle (18k~30k) /front board (36k~48k) of the outdoor unit
and insert the end of the communication
wire
and the power
wire
into the terminal
board.
Single phase:
Fig. 4.42
Power lines should go along the right side plate. Communication lines
between indoor and outdoor units also should go along the right side plate and
be kept
away from power lines.
