Fujitsu WATERSTAGE WS A050DD6 Series Maintenance Document page 67

Split system single phase type
Depending on the heating circuit time programs, the
DHW setpoint is changed between the DHW
temperature nominal
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
Low tariff
Released when the low tariff input is active (Input
Ex2)
Maintenance Document 1589-3
setpoint and the
temperature reduced setpoint. The first switch-on
point of each phase is advanced by one hour each
DHW time.
setpoint occurs on the changeover times of this
program. Thus, domestic hot water charging takes
place independently from the heating circuits.
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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