Installation Vitodens 242-F - Viessmann VITODENS 222-F Technical Manual

Design information

Installation Vitodens 242-F

Connection sets for installation on finished walls, for upward
connection
Connection set without pre-mounting bracket, part no. 7348 552
440
330
220
55
A B C D E F G H
A B C D E F G H
A Solar return R ¾/Ø 22 mm
B Heating flow R ¾
C DHW R ½
D 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
above.
VITODENS
(cont.)
a b
mm mm
1927 1964
Connection set with pre-mounting bracket for pre-installation in
unfinished buildings, part no. 7351 778
440
330
220
55
A B C D E F G H
A B C E F G H
D
E Gas connection R ½
F Cold water R ½
G Heating return R ¾
H Solar flow R ¾/Ø 22 mm
c d
mm mm
1976 1890
Connection set comprising:
■ Fitting assembly (only for part no. 7351 778)
■ Connection pipes
■ 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
e f
mm mm
1940 2011 2023
VIESMANN
5
g
mm
49