5
Supply air
Supply air
Install the return air duct (a)
Install the Return Air Duct (a)
No.
1
2
3
4.7 Electrical Wiring
4.7.1 Wiring Precautions
Before obtaining access to terminals, all supply circuits must be disconnected.
① .
The rated voltage of the unit is as shown as table 4 and Table 5
② .
Before turning on, verify that the voltage is within the 198~264V range(for single phrase unit)
③ .
or 342~457V range (for three-phrase unit).
Always use a special branch circuit and install a special receptacle to supply power to the air
④ .
conditioner.
Use a special branch circuit breaker and receptacle matched to the capacity of the air
⑤ .
conditioner.
The special branch circuit breaker is installed in the permanent wiring. Always use a circuit
⑥ .
that can trip all the poles of the wiring and has an isolation distance of at least 3mm between
the contacts of each pole.
Perform wiring work in accordance with standards so that the air conditioner can be operated
⑦ .
safely and positively.
Install a leakage special branch circuit breaker in accordance with the related laws and
⑧ .
regulations and electric company standards.
4
2
1
Return air
Return air
Table 10 Installation of the return air duct
Name
Return Air Inlet (with filter)
Canvas Duct
Return Air Duct
DC Inverter U-match Series Duct Type Unit
5
Supply air
Supply air
Install the return air duct (b)
Install the Return Air Duct (b)
Fig.38
No.
4
5
Supply Air Duct
6
WARNING !
22
4
6
Return air
Return air
Name
Indoor unit
Grille
3
1