Operating instructions
70
Coding in the delivered condition Possible change
Max. flow temperature heating circuit
C6:74 Electronic maximum flow
temperature limit 74 °C
(only for weather-com-
pensated control units)
C6:10
to
C6:127
Maximum limit adjustable
from 10 to 127 °C (limited
by boiler-specific parame-
ters)
Heating program - changeover
d5:0 The external heating pro-
gram changeover
switches the heating pro-
gram to "Constant opera-
tion with reduced room
temperature" or "Standby
mode" (only for weather-
compensated control
units)
d5:1 The external heating pro-
gram changeover switches
to "Constant operation with
standard room tempera-
ture" (subject to coding ad-
dress 3A, 3b and 3C)
Ext. heating program changeover to heating circuit
d8:0 No heating program
changeover via extension
EA1
d8:1 Heating program change-
over via input DE1 at ex-
tension EA1
d8:2 Heating program change-
over via input DE2 at ex-
tension EA1
d8:3 Heating program change-
over via input DE3 at ex-
tension EA1
Max. pump speed in standard mode
E6:... Maximum speed of the
variable speed heating
circuit pump in % of the
max. speed in standard
mode. Value is specified
by boiler-specific param-
eters (only for weather-
compensated control
units).
E6:0
to
E6:100
Maximum speed adjusta-
ble from 0 to 100 %
Code 1
"Heating circuit ..."/group 5
(cont.)
5772 909 GB










