Heating Circuit 1, Heating Circuit 2, Heating Circuit 3 - Viessmann Vitoladens 300-W Installation And Service Instructions For Contractors

Coding level 2
(cont.)

Heating circuit 1, heating circuit 2, heating circuit 3

Coding
Coding in the delivered condition
A0:0 Without remote control
A1:0 All possible settings at the remote
control can be accessed
A3:2 Outside temperature below 1 °C:
heating circuit pump "ON"
Outside temperature above 3 °C:
heating circuit pump "OFF"
!
Please note
With settings below 1 °C there is a risk that pipes outside the thermal envelope of the building could freeze
up.
Standby mode in particular must 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
Possible change
A0:1
A0:2
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
Possible change
A4:1
With Vitotrol 200-A/200-RF (auto-
matic recognition)
With Vitotrol 300-A/300-RF or
Vitocomfort 200 (automatic recogni-
tion)
Only party mode can be set at the
remote control (only for
Vitotrol 200-A)
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.
Codes
57