Viessmann VITODENS 222-F Technical Manual page 52

Design information
Connection set for unfinished walls with mounting plate for pre-installation in unfinished buildings, part no. 7353 065
440
330
220
55
50
A BCDE FG
5
A BCDE FG
A Solar return R ¾
B Heating flow R ¾
C DHW R ½
D DHW circulation R ½ (separate accessory)
E Gas connection R ½
F Cold water R ½
G Heating return R ¾
H Solar flow R ¾
K Balanced flue connection towards the back
Type
Vitodens 242-F, B2UB
Note
The adjustable feet give the height measurements of the connec-
tions a tolerance of + 7 mm.
VIESMANN
52
(cont.)
K
H
H
a b
mm mm
1925 1946
For connecting the on-site gas, heating water and DHW lines in the
wall.
Note
In place of the connection bend for cold water, a safety assembly
(separate accessories) can be fitted.
Connection set comprising:
■ Mounting plate
■ Connection pipes
■ Shut-off valves for heating water flow and return, with boiler drain
c
& fill valve
mm
■ 2 connectors for DHW
2232
■ 2 connectors for solar flow and return
■ Angle gas valve with thermally activated safety shut-off valve
VITODENS