Viessmann VITOTRONIC 100 Installation And Service Instructions Manual page 150

Type gc1 digital boiler control unit
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Coding
Code 2
(cont.)
Coding in the delivered condition
General (cont.)
98 :
1
Viessmann system number
(in conjunction with
monitoring of several
systems via Vitocom 300)
9b :
0
External default of the
set flow temperature via
plug aVH
9C: 20
LON user monitoring
When there is no response
When there is no response
from a user, values
defaulted by the control unit
continue to be used for a
further 20 min. Only then
will a fault message be
triggered.
9d :
0
Without function extension
0−10 V
150
Possible change
98 :
1
System number adjustable
to
from 1 to 5
98 :
5
9b :
1
Set flow temperature in
to
case of external demand via
plug aVH adjustable from
9b : 127
1 to 127 ºC
9C:
0
No monitoring
9C:
5
Time adjustable
to
from 5 to 60 min
9C: 60
9d :
1
With function extension;
automatic recognition

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