Coding - Viessmann Vitodens 200-W Installation And Service Instructions For Contractors

"Heating circuit ..."/Group 5

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
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)
A5:5 With heating circuit pump logic
function (economy control): heat-
ing circuit pump "OFF" when the
outside temperature (AT) is 1 K
higher than the set room tempera-
ture (RT
AT RT
>
compensated control units)
(cont.)
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
)
set
+ 1 K (only for weather-
set
Possible change
A0:1 With the Vitotrol 200A/200 RF (auto-
matic recognition)
A0:2 With the Vitotrol 300A/300 RF or
Vitocomfort 200 (automatic recogni-
tion)
A1:1 Only party mode can be set at the
remote control (only for Vitotrol 200)
A3:–9 Heating circuit pump "ON/OFF" (see
to the following table)
A3:15
"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
Possible change
A4:1 No frost protection; this setting is on-
ly possible if code "A3:
selected.
Note
Observe "Please note" for code "A3"
A5:0 Without heating circuit pump logic
function
A5:1 With heating circuit pump logic func-
to tion: Heating circuit pump "OFF";
A5:15 see following table
Code 2
9" has been
–
63