Viessmann Vitodens 333 Service Instructions Manual page 59

Code 2
(cont.)
Coding in Function mode
the as de-
livered
condition
Address:
value
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
Coding Possible change
change
Address:
value
&
Heat-up data with
respective flow tem-
peratures
& Max. flow temperature
achieved
& Operating condition
and outside tempera-
ture during handover.
The function continues
after power failure or
after the control unit has
been switched OFF. The
heating program rw
will be started, after the
screed-drying function
has been completed or if
the address is manually
set to 0.
F1:6 Constant flow tempera-
to ture 20 °C
F1:15
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-
Coding
59