Split system (Single phase and 3-phase type)
Maintenance Document 1544-1 69
Depending on the heating circuit time programs, the
DHW setpoint is changed between the DHW
temperature nominal setpoint and the DHW
temperature reduced setpoint. The first switch-on
point of each phase is advanced by one hour each
time.
Example:
Time program 4 / DHW:
(Recommended)
Time program 4 of the local controller is taken into
account for the DHW mode. The changeover
between DHW nominal setpoint and DHW reduced
setpoint occurs on the changeover times of this
program. Thus, domestic hot water charging takes
place independently from the heating circuits.
Low tariff
Released when the low tariff input is active (Input
Ex2)
Time pgm 4/DHW or low tariff
Released when DHW program 4 is set to "Nominal"
or if the low tariff input is active.
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