Viessmann Vitoplus 300 Service Instructions Manual page 60

Wall mounted oil fired condensing boiler for the combustion of low sulphur fuel oil din 51603-el-1 with integral boiler control unit
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Coding
Code 2
(cont.)
Coding in the delivered condition
FA:20
Raising the set flow
temperature for the
transition from reduced
temperature to standard
room temperature mode
= 20%, see the example
on page 96
Fb:30
Duration for raising the
set flow temperature
(see coding address
FA): 60 min, see the ex-
ample on page 96
Resetting codes to the delivered condition
1. Press L and G simultaneously
for approx. 2 s.
60
Possible change
FA:0
Raising the set flow tem-
to
perature for the transition
FA:50
from reduced room tem-
perature mode to stan-
dard room temperature
mode, adjustable from 0
to 50%
Fb:0
Duration for raising the
to
set flow temperature ad-
Fb:150
justable from 0 to 150
(corresponds to 0 to 300
min)
2. Press e.
"Confirm Standard setting? Yes"
with d.
With a or b, "Standard setting?
Yes" or "Standard setting? No" can
be selected.

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