Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 17

Installing the outdoor unit
Floorstanding installation with support; line entry
below ground level
3000
F
G
B
A
Fig. 8
Ground
A
Pathway, patio
B
Refrigerant lines
C
Indoor/outdoor unit bus cable and outdoor unit
E
power cable
F Openings in the base plate for free drainage of
condensate
Supports for floorstanding installation (accesso-
G
ries)
Foundation strip
H
Frost protection for foundations (compacted
K
crushed stone, e.g. 0 to 32/56 mm); thickness of
layer subject to local requirements and building
regulations
DN 125 conduit with cover and 3 x 30° pipe bends;
L
sealing of line entry with end collar
Wall mounting
Installation should only be performed with the bracket
set for wall mounting (accessories).
(cont.)
400
E
C
702
L
H
K
835
1100
Installing an outdoor unit on foundations
1.
4x
D
Fig. 9
Supports for floorstanding installation (accesso-
A
ries)
Gravel bed as condensate soakaway
B
Concrete foundations (see technical guide)
C
D DN 100 KG conduit (only for line entry below
ground level)
Note
We recommend letting condensate drain away freely
(without a condensate pipe).
Separate installation instructions
Installation sequence
2.
4x
A
B
C
17