Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 28

Installation sequence
Installing the outdoor unit
Floorstanding installation with support: Line entry above ground level
3000
E
G
B
450
H
K
M
600
A
850
Fig. 15
Ground
A
Pathway, patio
B
Hydraulic connection lines, indoor/outdoor unit
C
Indoor/outdoor unit CAN bus communication cable
D
and outdoor unit power cable:
Route the cables free of stress.
Condensate drain in the base plate:
E
Do not connect anything if the condensate can
drain freely.
Gas-tight wall outlet (accessories) for electrical
F
cables and hydraulic lines
Note
Provide thermal insulation of sufficient thickness on
■
the pipework to the outdoor air: See table on
page 20.
■ Protect the pipework against damage. Avoid trip haz-
ards.
28
(cont.)
250
C D F
K
L
K H K
M
A
Support for floorstanding installation (accessories),
G
illustration without design casing (accessories)
Foundation strip
H
For free drainage of condensate: Gravel bed as
K
soakaway
Flexible separating layer between the foundations
L
and the building
M Frost protection for foundations (compacted
crushed stone, e.g. 0 to 32/56 mm); thickness of
layer subject to local requirements and building
regulations
F
H K
90