C
702
66
66
50
50
150
150
D
B
B
709
60
155
E
D
300
1100
D
1200
C
A
B
B
E
A
Frost protection for foundations (compacted crushed stone, e.g.
0 to 32/56 mm); thickness of layer subject to local requirements
and building regulations
B
Foundation strip
C
Gravel bed as condensate soakaway
D
Fixing points for floorstanding installation supports
E
Only for line entry below ground level: Hydraulic connection set
(accessories)
Note
Provide thermal insulation of sufficient thickness on the pipework to
the outdoor air: See table on page 99.
Design information
(cont.)
104
VIESMANN
VITOCAL
7
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