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Code 2
(cont.)
Coding in the delivered condition
9C:20
Monitoring LON users
When there is no re-
sponse from a user, va-
lues defaulted by the
control unit continue to
be used for a further
20 min. Only then will a
fault message be is-
sued.
9F:8
Differential temperature
8 K; only in conjunction
with a mixer circuit
Boiler circuit, mixer circuit
A0:0
Without remote control
A3:2
Outside temperature
below 1 °C: Heating cir-
cuit pump ON
Outside temperature
above 3 °C: Heating cir-
cuit pump OFF
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. dur-
ing holidays.
Parameters
Address A3:...
-9
-8
Possible change
9C:0
9C:5
to
9C:60
9F:0
to
9F:40
A0:1
A0:2
A3: 9
to
A3:15
Heating circuit pump
ON at
-10 °C
-9 °C
Coding
No monitoring
The time is adjustable
from 5 to 60 min
Differential temperature
adjustable from 0 to 40 K
With Vitotrol 200 (auto-
matic recognition)
With Vitotrol 300 (auto-
matic recognition)
Heating circuit pump ON/
OFF (see the following
table)
OFF at
-8 °C
-7 °C
51
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