Viessmann VITODENS 222-F Technical Manual page 41

Design information
Connection set comprising:
■ Fitting assembly (only for part no. 7355 317)
■ Connection pipes
■ Shut-off valves for heating water flow and return, with boiler drain
& fill valve
Connection sets for installation on finished walls, for connec-
tion to the left or right
Connection set without pre-mounting bracket, part no. 7350 854
410 50
398
361
G
F
A
E
B
D
C
C
D
B
E
A F
A Heating flow R ¾
B DHW R ½
C DHW circulation R ½ (separate accessory)
D Gas connection R ½
Type
Vitodens 222-F, B2TB
- 13 to 26 kW
- 35 kW
Vitodens 222-F, B2SB
Vitodens 333-F, B3TB
VITODENS
(cont.)
a b
mm mm
972 1027
1172 1227
1172 1227
972 1027
■ 2 connectors for DHW
■ Gas shut-off valve with thermally activated safety shut-off valve
E Cold water R ½
F Heating return R ¾
G Balanced flue connection (towards the back)
c d e
mm mm mm
1082 1137 1192
1282 1337 1392
1282 1337 1392
1082 1137 1192
f g h
mm mm mm
1247 1302 1552
1447 1502 1752
1447 1502 1782
1247 1302 1582
VIESMANN
41
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