Viessmann VITOPEND 200, Installation And Service Instructions For Contractors

Page: 62 / 132

Coding in the delivered condition Possible change
9C:20 Monitoring LON sub-
scribers.
If a subscriber fails to
respond, the values de-
faulted inside the con-
trol unit will be used
after 20 min; also, a
fault message is issued
(only for weather-com-
pensated control units). 9C:0 No monitoring
9C:5
to
9C:60 The time is adjustable
from 5 to 60 min
9F:8 Differential temperature
8 K; only in conjunction
with the mixer circuit
(only for weather-com-
pensated control units) 9F:0
to
9F:40 Differential temperature
adjustable from 0 to 40 K
Boiler circuit, mixer circuit
A0:0 Without remote control
(only for weather-com-
pensated control units) A0:1 With Vitotrol 200 (auto-
matic recognition)
A0:2 With Vitotrol 300 (auto-
matic recognition)
A3:2 Outside temperature
below 1 °C: Heating cir-
cuit pump "ON"
Outside temperature
above 3 °C: Heating cir-
cuit pump "OFF" A3:-9
to
A3:15 Heating circuit pump
"ON/OFF", see the fol-
lowing table
!
Please note
When selecting a value below 1 °C, there is a risk of pipes outside the
thermal envelope of the building being damaged by frost.
The standby mode, in particular, should be taken into consideration, e.g.
during holidays.
Parameter Heating circuit pump
Address A3:... ON at OFF at
-9 -10 °C -8 °C
-8 -9 °C -7 °C
-7 -8 °C -6 °C
-6 -7 °C -5 °C
-5 -6 °C -4 °C
Code 2
(cont.)
62
Coding
5592
817
GB