DC Inverter U-match Series Duct Type Unit
28
Single-phase units (36k-48k)
Fig. 4.40
(5). Electric wiring of indoor unit side
Remove the electric box cover from the electric box sub-assy and then connect the
wire.
Fig. 4.41
The F, C, O connect to the COMMOM, CLOSE and OPEN terminal of the fresh air
valve respectively.
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.
