Viessmann VITODENS 300 Service Instructions Manual page 51
6.6 to 35.0 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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Code 2
(cont.)
Coding in
Function mode
the as
delivered
condition
Address:
value
6C:100
Set speed internal DHW
loading pump 100 %
6F:100
Max. output during
DHW loading 100 %,
defaulted by the boiler
coding card
71:0
*
1
DHW circulation
pump: According to
DHW time program: ON
(Vitotrol 300 enables
separate switching
times)
72:0
*
1
DHW circulation
pump: According to
DHW time program: ON
73:0
*
1
DHW circulation
pump: According to
DHW time program: ON
General
76:0
Without LON communi-
cation module
*1
Only for weather-compensated control units.
Coding
Possible change
change
Address:
value
6C:0
Set speed adjustable
to
from 0 to 100 %
6C:100
6F:0
Max. output during DHW
to
loading adjustable from 0
6F:100
to 100 %
71:1
OFF during DHW loading
to set value 1
71:2
ON during DHW loading
to set value 1
72:1
OFF during DHW loading
to set value 2
72:2
ON during DHW loading
to set value 2
73:1
During the time program
to
1x/h ON for 5 minutes
73:6
up to 6x/h ON for 5 min-
utes
73:7
Constantly ON
76:1
With LON communication
module; automatic recog-
nition
Coding
51
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