Heating Circuit 1, Heating Circuit 2, Heating Circuit 3 - Viessmann FB2B Installation And Service Instructions Manual

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 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 that pipes outside the thermal
envelope of the house could freeze 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
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
Code 2
With Vitotrol 200A (auto-
matic recognition)
With Vitotrol 300A or
Vitohome 300 (automatic
recognition)
Only party mode can be set
at the remote control (only
for Vitotrol 200A)
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
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