Viessmann VITODENS 300 Service Instructions Manual page 60

Coding
Code 2
(cont.)
Coding in the delivered condition
F8: 5 For the operation in re-
duced room tempera-
ture mode, the set room
temperature will be
raised (up to the tem-
perature limit set by
coding address F9) to a
value subject to the out-
side temperature, if the
outside temperature
falls below -5 °C.
Observe the setting of
coding address A3.
F9: 14 Below an outside tem-
perature of -14 °C, the
set room temperature
will be raised to the
value selected as set
room temperature, if the
system operates with
the standard room tem-
perature.
FA:20 Raising the set flow
temperature for the
transition from reduced
temperature to standard
room temperature mode
= 20%
Fb:30 Duration for raising the
set flow temperature
(see coding address
FA): 60 min
60
Possible change
F8:+10 Limit for raising the tem-
to perature in reduced
F8: 60 mode adjustable from
+10 to -60 °C
F8: 61 Function disabled
F9:+10 Limit for raising the set
to room temperature to the
F9: 60 value selected for stan-
dard mode adjustable
from +10 to -60 °C
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)