Viessmann VITODENS 222-F Installation And Service Instructions Manual page 92

Code 2
Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
E8:1 Minimum speed in opera-
tion with reduced room
temperature subject to
the setting in coding
address "E9" (only for
weather-compensated
control units)
E9:45 Speed of the variable
speed heating circuit
pump: 45 % of the maxi-
mum speed during oper-
ation with reduced room
temperature (only for
weather-compensated
control units)
F1:0 Screed function disabled
(only for weather-com-
pensated control units).
F2:8 Time limit for party mode
or external heating pro-
gram changeover via
pushbutton: 8 h (only for
weather-compensated
control units)
F5:12 Run-on time of the inter-
nal circulation pump in
heating mode: 12 min
(only for constant temper-
ature control units)
F6:25 In the "Only DHW" oper-
ating mode, the internal
circulation pump is per-
manently on (only for
constant temperature
control units)
Party mode ends automatically in the "Heating and DHW" program, when the
*1
system changes over to operation with standard room temperature.
92
Possible change
E8:0
E9:0
to
E9:100
F1:1
to
F1:6
F1:15
F2:0
F2:1
to
F2:12
*1
F5:0
F5:1
to
F5:20
F6:0
(cont.)
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
Screed function adjustable
in accordance with 6
optional temperature/time
profiles (see page 144)
Constant flow temperature
20 °C
No time limit for party
mode *1
Time limit adjustable from 1
*1
to 12 h
No run-on time for the inter-
nal circulation pump
Run-on time of the internal
circulation pump adjusta-
ble from 1 to 20 min
In the "Only DHW" operat-
ing mode, the internal cir-
culation pump is perma-
nently off