Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 34

Installation sequence
Connecting refrigerant lines
Insulation against noise and vibrations with entry points above ground level
Note
Route connecting cables and refrigerant lines separately.
A Pipe bends as vibration compensa-
tors
B Clips with EPDM lining
C Cable entry, e.g. drainage pipe with
thermal insulation
Connection to the external unit
1. Type AWT-AC 221.A04 and A07:
Remove the side cover, see
page 59.
34
(cont.)
A
D Electrical cables/leads, internal/
external unit
B
C
D