(1) Using the knockout of the indoor unit,
In order to take fresh air, provide the duct fan
as a marker, cut off the frange with
separately.
the heat insulator (styrol) with cutting
1) Install the filter for fresh air
plers or cutter.
2) Provide the check port beneath the duct fan
for maintenance.
3) Connect the duct fan and the indoor unit
with inter-lock wiring.
4) Provide the silencer to prevent the effect
of noise.
(2) A gap between the styrol and steel plate
may cause a trouble such as dew drop
to occur. Be sure to first attach accessory
heat insulator A with it aligned to the
screw hole then attach B, according to
the figure below.
(3) Install auxiliary fresh air flange to the
indoor unit main body with accessory
4 fixing screws.
Fixing hole of indoor unit
Indoor unit
Check
port
Duct fan
Silencer (Chamber)
Filter for fresh air
Treated
fresh air
Installation status of indoor unit
8. Auxiliary fresh air flange
( TCB-FF101URE )
Duct fan
Installation
dimension
8
