Owner`s manual

17
ENGLISH
INSTALLATION OF FLANGE AND DUCT
Fresh air can be introduced into the unit either by installing a duct directly to the unit or adding an external fan.
4 - Ø 6 Hole
NOTE
1. The device can be installed in ceiling cassette type indoor units.
2. The duct diameter is 75 mm.
Installation Type 1
The hole is oppose to drainage pipe
For different type of indoor unit, the installation methods are different and the position of holes are differed.
1. Removal the hole on the board.
Installation Type 2
The hole is oppose to refrigerant pipe
Drainage pipe
Refrigerant pipe
Board
Insulation material (inside)
Board
Hole
Refrigerant pipe
Drainage pipe
Removal with pincher
or incise with knife
Insulation material (inside)
Board
Commissure
Removal with pincher
Board
Commissure
Removal with pincher
No insulation material inside, only
removal board
Hole
J391_EN.indd 17 3/14/07 1:33:15 PM