Operating instructions
62
Value
address
00: ...
System
version
Description
7 4 One heating circuit with mixer M2 (heating circuit 2) and one
heating circuit with mixer M3 (heating circuit 3), without DHW
heating
8 4 One heating circuit with mixer M2 (heating circuit 2) and one
heating circuit with mixer M3 (heating circuit 3), with DHW
heating
9 4 One heating circuit without mixer A1 (heating circuit 1), one
heating circuit with mixer M2 (heating circuit 2) and one heat-
ing circuit with mixer M3 (heating circuit 3), without DHW
heating (code is adjusted automatically)
10 4 One heating circuit without mixer A1 (heating circuit 1), one
heating circuit with mixer M2 (heating circuit 2) and one heat-
ing circuit with mixer M3 (heating circuit 3), with DHW heating
(code is adjusted automatically)
Coding in the delivered condition Possible change
Boiler/burner
51:0 System with low loss
header:
Internal circulation pump
always starts when there
is a heat demand
51:1 System with low loss head-
er:
When there is a heat de-
mand, the internal circula-
tion pump is only started if
the burner is operational.
Circulation pump is switch-
ed off on expiry of run-on
time.
51:2 System with heating water
buffer cylinder:
When there is a heat de-
mand, the internal circula-
tion pump is only started if
the burner is operational.
Circulation pump is switch-
ed off on expiry of run-on
time.
Code 1
"General"/group 1
(cont.)
5772 909 GB










