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.
NOTE
1. The device can be installed in ceiling cassette type indoor units.
2. The duct diameter is 75 mm.
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 1
The hole is oppose to drainage pipe
Refrigerant pipe
Removal with pincher
or incise with knife
Insulation material (inside)
Drainage pipe
Refrigerant pipe
Hole
Insulation material (inside)
Board
Removal with pincher
Commissure
Board
YORK INSTALLATION & OWNER'S MANUAL (EN) 035M80090-000
Installation Type 2
The hole is oppose to refrigerant pipe
Hole
Board
No insulation material inside, only
removal board
Removal with pincher
Commissure
Board
Drainage pipe
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ENGLISH