Viessmann Vitoladens 300-C Installation And Service Instructions Manual page 73

Code 2
(cont.)
Parameter
address A3:...
-7
-6
-5
-4
-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 mode): Heating
circuit pump is "OFF" when the
outside temperature (OT) is 1 K
higher than the set room tempera-
ture (RT
OT > RT
Parameter address A5:...
1
2
3
4
5
6
7
to
15
Heating circuit pump
"ON"
-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
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"
-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:-9" has been
set.
Note
Please note for coding address "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 the following table)
Codes
73