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Preparing for installation
Preparing for installation
Clearance dimensions
420
B
b
(380)
Fig. 1
Required clearance for cleaning, heat-up and
A
recharging
The wall clearance can be reduced to 200 mm if
B
the ignition is not located on this side of the boiler.
Rated heating output
Dim. a
Dim. b
Minimum room height
Room height, recommended
Dimensions in brackets: Boiler incl. thermal insulation
Note
The specified wall clearances are required for installa-
tion and maintenance work.
Installation room requirements
Installation location requirements:
The installation room must be dry and free from the
■
risk of frost.
■
Avoid high humidity levels (e.g. from continuous dry-
ing of washing).
■
Ambient temperatures between 0 and 35 °C
Ensure a supply of fresh air.
■
Danger
Suffocation hazard due to carbon monoxide
produced during incomplete combustion due
to lack of combustion air.
Ensure an adequate supply of fresh air. Never
cover or close vents.
8
(480)
(480)
520
520
kW
mm
mm
mm
mm
420
b
B
(380)
20/30
1020
1800
2300
Danger
Easily flammable liquids and materials can
cause deflagration and fires.
Do not store easily flammable substances in the
boiler installation room (e.g. petrol, solvents and
cleaning agents, paints, paper).
Floor condition
The boiler must be positioned on a non-combustible
substrate. Special foundations are not required.
40/50
1020
640
2100
2600
640
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