Viessmann B1HF Installation And Service Instructions Manual page 33

Commissioning the system
Commissioning assistant
sequence
Commissioning
"C.1"
Filling program
"C.2"
Venting program
"C.3"
Gas type
"C.5"
Flue system
"C.6"
Flue length
"C.7"
Operating mode
(cont.)
Explanations and references
ON = on
OFF = off
Note
It is possible to interrupt or end the process while a rotating rectangle alternat-
ing with the current system pressure is displayed; to do so, press and hold
for 3 s.
ON = on
OFF = off
Note
It is possible to interrupt or end the process while a rotating rectangle alternat-
ing with the current system pressure is displayed; to do so, press and hold
for 3 s.
2 - Natural gas
3 - Liquid gas LPG
1 - Open flue 60 mm
2 - Room sealed 60/100 mm
3 - Open flue 80/125 mm
4 - Room sealed 80/125 mm
Given in full metres (round up if necessary)
Note
An additional length of 1 m must be factored in for every flue bend.
1 - Constant operation with time program
4 - Weather-compensated
13 - Constant operation with optional room thermostat
14 - OpenTherm
15 - Individual room control
16 - Individual room control with modulation
Note
Operating modes 15 and 16 can only be set via the software tool.
Commissioning, inspection, maintenance
33