Viessmann B2TF Installation And Service Instructions Manual page 31

Gas condensing storage combi boiler with 7 inch colour touchscreen
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Commissioning the system
Commissioning assistant
sequence
Commissioning
Language
With programming unit
With software tool
Trade fair mode
Units of measurement
Date and time
Operating mode (only
Vitodens 2xx)
Building type
Gas type
Flue system type (only
Vitodens 2xx)
Filling and venting
System pressure:
Set value
Range
After confirmation with
lowing chapter.
If no further settings are to be performed, the commissioning assistant can now be closed.
System scheme
Heating circuit 1
(cont.)
Explanations and references
If commissioning is to be carried out at the programming unit of the heat gen-
erator.
The appliance automatically switches on the WiFi access point.
Further commissioning steps according to the instructions of the software tool
used (e.g. "ViStart app")
Note
Apps for commissioning and service are available for iOS and Android devi-
ces.
Only for demonstration purposes. Do not select for normal heating operation.
Weather-compensated operation
The outside temperature sensor must be connected.
Continuous operation
Operation with constant flow temperature
Room temperature-dependent operation
A room temperature controller/room thermostat (accessories) must be con-
nected to plug 96. Only one heating circuit without mixer in the system.
Detached house
One shared holiday program and time program for DHW heating
Apartment building
A separate holiday program can be set for each heating circuit
If operating with LPG, switch to "LPG"
Single connection
Only one heat generator is connected to the flue system (factory setting).
Multiple connections
Several heat generators are connected to the flue system.
Select the set system pressure, e.g. 1.5 bar.
Select the range within which the system pressure can fluctuate around the
set value, e.g. +/-0.5 bar.
If the value falls below the set range for a certain period of time (set value [1.5
bar] - range [0.5 bar] = 1.0 bar), a fault message/warning message A.11 is
displayed.
Filling: See chapters "Filling the heating system" and "Venting the heating
system".
, an automatic test of the flue gas temperature sensor is carried out. See the fol-
Heating circuit without mixer or heating circuit without mixer with external
hook-up (if installed)
Commissioning, inspection, maintenance
31

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Vitodens 222-f

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