Viessmann VITODENS 222-F Technical Manual page 44

Design information
A wall clearance of 70 mm is required behind the Vitodens.
Note
The adjustable feet give the height measurements of the connec-
tions a tolerance of + 7 mm.
For connecting the on-site gas, heating water and DHW lines from
below.
Connection set for unfinished walls with mounting plate for pre-installation in unfinished buildings, part no. 7351 625
330
220
55
50
AB CD EF
5
AB CD EF
A Heating flow R ¾
B DHW R ½
C DHW circulation R ½ (separate accessory)
D Gas connection R ½
E Cold water R ½
F Heating return R ¾
G Balanced flue connection towards the back
VIESMANN
44
(cont.)
G
Connection set comprising:
■ Fitting assembly
■ Connection pipes
■ Shut-off valves for heating water flow and return, with boiler drain
& fill valve and air vent valve
■ 2 connectors for DHW
■ Angle gas valve with thermally activated safety shut-off valve
Type
Vitodens 222-F, B2TB
- 13 to 26 kW
- 35 kW
Vitodens 222-F, B2SB
Vitodens 333-F, B3TB
a b c
mm mm mm
1475 1496 1752
1675 1696 1952
1675 1696 1982
1475 1496 1782
VITODENS