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Installation of Flange and duct
Fres h air is intaken by indoor fan motor s or duct able fan motor devices on field . The positions
o f fr esh air intakecan be changed acco rding to the insta llation of ductable f an motor.
57
Note:
1. The device can be installed in ceiling cassette type indoor units (several-direction flow).
2. When installing the device, duct is needed on field and the rated diameter is 75mm.
When metal duct pass through wooden wall, electric insulation must be add between duct and wall.
The duct must be pulled out downside to prevent rain and water entering.
Net cover must be set at places where duct explodes to outdoor air to prevent birds and animals entering.
For different type of indoor units, the installation m ethods are different and
the positi on of holes are different.
1. Removal the hole on the board.
Ins talla tio n Ty pe 1
T he h ol e is op pos e to drain age pi pe
D ra in ag e pi pe
Refrigerant Pipe
Rem oval wit h Pi nc he r
O r Inc isel wit h kn ife
In sula ti on M ater ial( Inside )
96
80
H ole
I n sula tion M ater ial(Inside )
B oa rd
Re m ov al with Pinc he r
C om missu re
Bo ard
4-
6 Hole
φ
Installa tion Type
The hole is oppos e to refrigerant pipe
Refrigerant Pipe
Hole
Bo ar d
No in su la tio n material ins id e,
o nly remo va l board
Re mov al wi th Pi nc her
Co m miss ur e
Bo ard
14
2
D ra in ag e pi pe
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