Viessmann VITODENS 300 Service Instructions Manual page 58
Wall mounted gas fired condensing boiler. natural gas and lpg version. 4.2 to 13.0 kw
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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 the delivered condition
E2:50
*
1
With remote control:
No display correction of
the actual room tem-
perature
E5:0
*
1
Without external vari-
able speed circulation
pump
E6:65
*
1
Max. speed of the
variable speed pump
65% of max. speed in
standard mode
E7:30
*
1
Min. speed of the vari-
able speed pump 30%
of max. speed
E8:1
*
1
Min. speed subject to
the setting in coding ad-
dress "E9"
E9:45
*
1
Speed of the variable
speed pump 45% of
max. speed in reduced
mode
*1
Only for weather-compensated control units.
58
Possible change
E2:0
Display correction -5 K
to
or
E2:49
Display correction -0.1 K
E2:51
Display correction +0.1 K
to
or
E2:99
Display correction +4.9 K
E5:1
With external variable
speed circulation pump;
automatic recognition
E6:0
Maximum speed adjusta-
to
ble from 0 to 100% of
E6:100
max. speed; min. speed
defaulted by the boiler
coding card
E7:0
Minimum speed adjusta-
to
ble from 0 to 100% of
E7:100
max. speed; min. speed
defaulted by the boiler
coding card
E8:0
Speed subject to the set-
ting in coding address
"E7"
E9:0
Speed adjustable from 0
to
to 100% of max. speed;
E9:100
min. speed defaulted by
the boiler coding card
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