Viessmann Vitocal 300-G Installation And Service Instructions For Contractors page 8

Preparing for installation
Installation
(cont.)
■ To prevent structure-borne noise,
never site the appliance on ceilings
with wooden joists (e.g. in the attic).
■ Level the appliance.
If the adjustable feet are used to com-
pensate for an uneven floor (max.
10 mm), the pressure load on the feet
must be distributed evenly.
Type
BW 121
BWS 121
BW 129
BWS 129
BW 145
BWS 145
■ Observe required minimum clearan-
ces:
8
■ Observe the required floor area and
minimum room volume (as per
DIN EN 378).
Floor area
2
5 m
7 m 2
2
9 m
Single stage (type BW)
A Clearance depends on on-site
Min. space requirement
3
14 m
17 m 3
3
123 m
A
≥ 400
installation and location
≥ 400