Viessmann VITOTRONIC 200 Installation And Service Instructions Manual page 51

"Heating circuit 1", "Heating circuit 2", "Heating circuit 3" group
Parameter
Address A3:...
3
–
2
–
1
–
0
1
2
to
15
Coding in the delivered condition
A4:0 With frost protection
A5:5 With heating circuit pump logic
function (economy control): Heat-
ing circuit pump "OFF" when out-
side temperature (OT) is 1 K high-
er than the set room temperature
(RT
set
OT
>
Parameter address A5:...
1
2
3
4
5
6
7
to
15
Heating circuit pump
"On"
4 °C
–
3 °C
–
2 °C
–
1 °C
–
0 °C
+1 °C
to
+14 °C
)
RT + 1 K
set
With heating circuit pump logic function: Heating circuit pump "OFF"
OT RT + 5 K
>
set
OT RT + 4 K
>
set
OT RT + 3 K
>
set
OT RT + 2 K
>
set
OT RT + 1 K
>
set
OT RT
>
set
OT RT 1 K
> –
set
OT RT 9 K
> –
set
"Off"
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:
set.
!
A5:0 Without heating circuit pump logic
function
A5:1 With heating circuit pump logic func-
to tion:
A5:15 Heating circuit pump "OFF" see fol-
lowing table
Coding level 2
(cont.)
9" has been
–
Please note
Observe information on
coding address "A3".
51