Viessmann Vitodens 300 Service Instructions Manual page 46
Type wb3a, 49 and 66 kw gas fired wall mounted condensing boiler natural gas and lpg version
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Also See for Vitodens 300:
- Service instructions manual (132 pages) ,
- Datasheet (41 pages) ,
- Installation instructions manual (20 pages)
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Coding
Code 2
(cont.)
Coding in
Function mode
the as
delivered
condition
Address:
value
Boiler/burner
34:0
Signal "External
demand" on circulation
pumps: All pumps are
controlled
Coding
Internal
circulation
pump
0
Control
funct.
1
Control
funct.
2
Control
funct.
3
Control
funct.
4
Control
funct.
5
Control
funct.
6
Control
funct.
7
Control
funct.
8
OFF
9
OFF
10
OFF
11
OFF
12
OFF
46
Coding
change
Address:
value
34:1
to
34:23
Heating cir-
Heating cir-
cuit pump
cuit pump
Heating cir-
Heating cir-
cuit without
cuit with
mixer
mixer
Control
Control funct. Control funct.
funct.
Control
Control funct. OFF
funct.
Control
OFF
funct.
Control
OFF
funct.
OFF
Control funct. Control funct.
OFF
Control funct. OFF
OFF
OFF
OFF
OFF
Control
Control funct. Control funct.
funct.
Control
Control funct. OFF
funct.
Control
OFF
funct.
Control
OFF
funct.
OFF
Control funct. Control funct.
Possible change
Signal "External demand"
on circulation pumps:
See the following table
Cylinder loading pump
Control funct.
OFF
Control funct.
OFF
Control funct.
OFF
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