Viessmann VITOPEND 200, Installation And Service Instructions For Contractors

Page: 63 / 132

Parameter Heating circuit pump
-4 -5 °C -3 °C
-3 -4 °C -2 °C
-2 -3 °C -1 °C
-1 -2 °C 0 °C
0 -1 °C 1 °C
1 0 °C 2 °C
2
to 1 °C
to 3 °C
15 14 °C 16 °C
Coding in the delivered condition Possible change
Boiler circuit, mixer circuit
A4:0 With frost protection
(only for weather-com-
pensated control units) A4:1 No frost protection; this
setting is only possible if
code "A3:-9" has been
selected.
Note
Observe the information
regarding coding address
"A3"
A5:5 With heating circuit
pump logic function
(economy circuit): Heat-
ing circuit pump "OFF"
when the outside tem-
perature (AT) is 1 K
higher than the set
room temperature
(RT
set
)
AT > RT
set
+ 1 K (only
for weather-compen-
sated control units)
A5:0 Without heating circuit
pump logic function
A5:1
to
A5:15 With heating circuit pump
logic function: Heating
circuit pump "OFF" (see
the following table)
Parameter address
A5:... With heating circuit pump logic function: Heating
circuit pump "OFF"
1 AT > RT
set
+ 5 K
2 AT > RT
set
+ 4 K
3 AT > RT
set
+ 3 K
Code 2
(cont.)
63
Coding
5592
817
GB
Service