Coding - Viessmann Vitodens 200-W Series Installation And Service Instructions Manual

Heating circuit 1, heating circuit 2, heating...

Coding

Coding in the delivered condition
A0:0 Without remote control
A1:0 All possible settings at the remote
control can be accessed
A2:2 Cylinder priority applicable to heat-
ing circuit pump and mixer
A3:2 Outside temperature below 1 °C:
Heating circuit pump "ON"
Outside temperature above 3 °C:
Heating circuit pump "OFF"
!
Please note
If a value below 1 °C is selected, there is a risk that pipes outside the thermal envelope of the house could
freeze up.
The standby mode in particular should be taken into consideration, e.g. during holidays.
Parameter
Address A3:...
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
to
15
Coding in the delivered condition
A4:0 With frost protection (only for
weather-compensated control
units)
(cont.)
Possible change
A0:1
A0:2
A1:1
A2:0
A2:1
A2:3
to
A2:15
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
Possible change
A4:1
With Vitotrol 200A/200 RF (automat-
ic recognition)
With Vitotrol 300A/300 RF or
Vitocomfort 200 (automatic recogni-
tion)
Only party mode can be set at the
remote control (only for
Vitotrol 200 RF)
Without cylinder priority applicable to
heating circuit pump and mixer
Cylinder priority only applicable to
mixer
Reduced priority applicable to mixer
(the heating circuit receives a re-
duced amount of energy)
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
No frost protection; this setting is on-
ly possible if code "A3:-9" has been
selected.
Code 2
65