Viessmann VITODENS 200-W Service Instructions Manual page 74

Code 2
Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
A1:0 All settings that can be
made at the remote con-
trol can be executed (only
for Vitotrol 200A and con-
stant temperature control
units)
A3:2 Outside temperature
below 1 °C: Heating cir-
cuit pump "ON"
Outside temperature
above 3 °C: Heating cir-
cuit pump "OFF"
!
Please note
If a value below 1 °C is selected, there is a risk of pipes outside the thermal
envelope of the building freezing up.
The standby mode, in particular, should be taken into consideration, e.g. dur-
ing holidays.
Parameter
Address A3:...
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
to
15
74
Possible change
A1:1
A3:-9
to
A3:15
Heating circuit pump
"ON"
-10 °C
-9 °C
-8 °C
-7 °C
-6 °C
-5 °C
-4 °C
-3 °C
-2 °C
-1 °C
0 °C
1 °C
to
14 °C
(cont.)
Only party mode can be set
at the remote control
Heating circuit pump "ON/
OFF" (see the following
table)
"OFF"
-8 °C
-7 °C
-6 °C
-5 °C
-4 °C
-3 °C
-2 °C
-1 °C
0 °C
1 °C
2 °C
3 °C
to
16 °C