Technical data

HL 90
41
8 Exhaust line
Rigid pipes of unalloyed or alloyed steel with a minimum wall thickness of
1.0 mm or flexible piping of alloyed steel only must be used as the exhaust
line. The exhaust pipe is secured to the heater using a clamping collar, for
example.
It must not be possible for condensate or water to collect in the exhaust line.
Drain holes may be used; these must channel the fluid to the outside via
pipes that are sealed towards the interior.
See the “Statutory regulations governing installation” for further regula-
tions.
The heater may also be operated with a silencer.
Length of the exhaust line: max. 5 m
Internal diameter of the line: 38 mm
Minimum bending radius: 85 mm
Total bends: max. 360°
Figure 11: Exhaust pipe opening
(Installation position)
Front
Preferred discharge direction
max. 80°
max. 80°
max. 80°
HL90 EA_de_en_fr.book Page 41 Wednesday, June 5, 2013 10:17 AM