Preparing For Installation - Viessmann B1HF Installation And Service Instructions Manual

Preparing for installation

400
A
B C D
58 58
123
186
Fig. 2 Illustration shows a gas condensing combi
boiler
Condensate drain
A
Heating flow
B
DHW (gas condensing combi boiler)
C
Cylinder flow (gas condensing system boiler)
Gas connection
D
Cold water (gas condensing combi boiler)
E
Cylinder return (gas condensing system boiler)
E
G F
123
148
139
125
257
Heating return
F
Filling/draining
G
Preparing for installation
369
360
Ø 96
-0.5
Ø 60.5 +0.8
11