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Viessmann Vitocal 252-A Series - Page 36

Viessmann Vitocal 252-A Series
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36
H
H
H
K
D
C
G
435
705
600
a
240 240
72
970
105
108
B
B
165
290
E
~ 160
b
80
F
E
108
720
Fig. 20
A
Frost protection for the foundations: Compacted
crushed stone, e.g. 0 to 32/56 mm; thickness of
layer subject to local requirements and building
regulations
B
Foundation strip of reinforced concrete
C
For free drainage of condensate: Gravel bed as
soakaway
Or
D
Drain pipe (min. DN 40) for draining condensate
via waste water system or seepage layer
E
Anti-vibration feet (accessories):
Observe installation instructions.
F
Quattro connection line (accessories) for use
when cable/line entry is below ground level:
So that the floorstanding installation support con-
nection set (accessories) can be used, align the
flow and return of the Quattro connection line
(PB 40 x 3.7) flush with and parallel to the edge of
the foundation.
G
Air discharge
H
Wall
K
Flexible separating layer between the foundations
and the wall, in accordance with local require-
ments and the standard rules of building engi-
neering
a, b For line entries below ground level only: See the
following tables.
r Bending radius
Siting the outdoor unit
Floorstanding installation (cont.)
6222080
Installation

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