The grey
side of the
ECL Card
Extended service
32l
Service parameter(s) 43
43 Parallel operation of DHW and heating circuits
Circuit Setting range Factory setting
I OFF / 1 ... 99 K OFF
Choose whether the heating circuit is to operate in dependence
of the DHW circuit.
OFF: Independent parallel operation, i.e. the
DHW and the heating circuits operate
independently of each other. It makes
no dierence whether the desired DHW
temperature can be reached.
1 ... 99:
Dependent parallel operation, i.e. the
desired heating temperature depends on
the DHW demand.
Choose how much the DHW temperature
(circuit II) can drop before the desired
heating temperature (circuit I) has to be
decreased.
Temp.
100% parallel
operation
Line 43
(acceptable deviation)
Desired DHW temp.
Actual DHW
temp.
Time
Parallel operation with decreased
heating temp.
If the actual DHW temperature deviates more than the set value
(line 43), the gear motor M1 in the heating circuit will close to
such an extent that the DHW temperature stabilizes at the lowest
acceptable value.
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