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2.8 installing the haC unit
2.7 Connecting direct air below or behind
When installing external air supply, connect the
air intake to the direct air pipe using flexi-pipe,
both from the floor or behind the stove.
Flexi-pipe not included.
Air intake
ø100
Flexi-pipe to the floor
Flexi pipe
back outlet
Direct air supply
The dimensions of the direct air supply pipe,
may not be less than ø100 mm, the draught in
the flue depends on this air for optimal combu-
stion.
Heta recommends max. 4 meters of direct air
pipe, with max. 3, 90° bends and a min. of ø100
mm.
HAC KIT
5032-0102
Flexi-pipe to the floor
Air intake
ø100
HAC motor position.
Purchased part for
HAC with external
fresh air through the
back plate.
Nr. 0050-0521
