Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 9

Installation room requirements
Installation location requirements:
■ Dry, frost-proof and free of dust
■ High humidity levels to be avoided (e.g. caused by
continuous drying of washing)
Danger
Partial combustion due to combustion air defi-
ciency can lead to life threatening poisoning
from carbon monoxide.
■ Ensure an adequate supply of fresh air.
■ Never cover or close vents.
Floor requirements
The boiler must be positioned on a non-combustible
substrate. Special foundations are not required.
Installation requirements
■ The specified wall clearances are required for instal-
lation and maintenance work.
■ The space above the boiler must remain free for
maintenance work.
Required room height: At least 2.1 m
■
Minimum clearances for version with pellet supply via vacuum system
B
(100)
d
c
Fig. 1
Boiler
A
Pellet hopper
B
Recommended clearance for more convenient installation and service work
*1
A
430
(400)
a
Max. ambient temperature 35 °C
■
■ Reliable supply of fresh air
Danger
Easily flammable liquids and materials,e.g.
naphtha/petrol, solvents, cleaning agents, paints
or paper, can cause deflagration and fire.
Do not store easily flammable materials in the
boiler installation room.
Boiler technical guide
Minimum clearances
Rated heating out- kW
put range
a mm
b mm
c mm
d mm
Minimum room mm
height
Dimensions in brackets: Boiler with casing
Note
The specified wall clearances are required for installa-
tion and maintenance work.
Preparing for installation
6 to 18 11 to 32
8 to 24 13 to 40
16 to 48
665
835
610/850 *1 670/900
510
1800 2000
765
920
*1
570
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