Viessmann VITODENS 242-F Installation And Service Instructions Manual page 117

"Heating circuit ..."
Coding in the delivered condition
E8:1 Only for heating systems
without a heating circuit
with mixer:
Minimum speed of the in-
ternal variable speed
heating circuit pump in
operation with reduced
room temperature sub-
ject to the setting in cod-
ing address "E9" (only for
weather-compensated
control units)
E9:45 Only for heating systems
without a heating circuit
with mixer:
Speed of the internal var-
iable speed heating cir-
cuit pump:
45 % of the max. speed
during operation with re-
duced room temperature
(only for weather-com-
pensated control units)
F1:0 Screed drying disabled.
F2:8 Time limit for party mode
or external operating pro-
gram changeover via but-
ton: 8 h
*1 In the "Heating and DHW" program, party mode ends automatically when the
system changes over to operation with standard room temperature.
(cont.)
Possible change
E8:0
E9:0
to
E9:100
F1:1
to
F1:6
F1:15
F2:0
F2:1
to
*1
Code 2
Speed subject to the set-
ting in coding address
"E7"
Speed adjustable from 0 to
100 % of the maximum
speed during operation
with reduced room temper-
ature
Only for heating circuit with
mixer:
6 different temperature/
time profiles can be selec-
ted for screed drying (see
page 163)
Constant flow temperature
20 °C
*1
No time limit.
Time limit adjustable from 1
*1
to 12 h
117