Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 10

Preparing for installation
Requirements for on-site connections
Outdoor unit
Outdoor unit, types 221.C04 to C08
Fig. 2
Cable entry for Modbus connecting cable, indoor/
A
outdoor unit
Power cable entry
B
10
(cont.)
1109
705
D
C
113
99
96
63
A B
Liquid line
C
222.C04 to C06: UNF ⁷⁄₁₆ (reducer
■
standard delivery of the indoor unit)
■ 222.C08: UNF
⅝
Hot gas line
D
222.C04 to C06: UNF
■
standard delivery of the indoor unit)
222.C08: UNF
■
⅞
545
508
A B
C
D
48
518
536
546
x ⁷⁄₁₆ in the
⅝
(reducer x in the
¾ ⅞ ¾