Coding in the delivered condition Possible change
E5:0 Without variable speed
circulation pump
E5:1 With variable speed cir-
culation pump; automatic
recognition
E6:65 Max. speed of the vari-
able speed pump 65%
of max. speed in stan-
dard mode
E6:0
to
E6:100
Maximum speed adjusta-
ble from 0 to 100% of
max. speed
E7:30 Min. speed of the vari-
able speed pump 30%
of max. speed
E7:0
to
E7:100
Min. speed adjustable
from 0 to 100% of max.
speed
E8:1 Min. speed subject to
the setting in coding ad-
dress "E9"
E8:0 Speed subject to the set-
ting in coding address
"E7"
E9:45 Speed of the variable
speed pump 45% of
max. speed in reduced
mode
E9:0
to
E9:100
Speed adjustable from 0
to 100% of max. speed