Viessmann VITODENS 222-F Technical Manual page 51

Design information
Connection set with pre-mounting bracket for pre-installation in unfinished buildings, part no. 7354 386
452
440
370
316
H
G
F
E
D
C
B
A
A Solar return R ¾/Ø 22 mm
B Heating flow R ¾
C DHW R ½
D Gas connection R ½
E DHW circulation R ½ (separate accessory)
Type
Vitodens 242-F, B2UB
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
the left or right.
Connection set comprising:
■ Fitting assembly (only for part no. 7354 386)
■ Connection pipes
VITODENS
(cont.)
50
K
A
B
C
D
E
F
G
H
a b c
mm mm mm
1852 1367 1422 1477
F Cold water R ½
G Heating return R ¾
H Solar flow R ¾/Ø 22 mm
K Balanced flue connection towards the back
d e f
mm mm mm mm
1532 1587 1592
■ Shut-off valves for heating water flow and return, with boiler drain
& fill valve
■ 2 connectors for DHW
■ 2 connectors each for solar flow and return (R¾/Ø 22 mm)
■ Gas shut-off valve with thermally activated safety shut-off valve
g h k l
mm mm mm
1696 1752 1807
VIESMANN
5
m
mm
2002
51