Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 11

Requirements for on-site connections
Outdoor units, types 221.C10 to C16
Fig. 3
Cable entry for indoor/outdoor unit Modbus con-
A
necting cable
Power cable entry
B
(cont.)
1109
705
D
C
A
113
99
96
63
B
Liquid line UNF
C ⅝
Hot gas line UNF
D ⅞
Preparing for installation
545
508
A B
C
D
48
518
536
546
11