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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Description of heating engineer settings 26.03.2001
4.53 D.h.w. charging
The number of d.h.w. charging cycles can be selected while giving consideration to the
size of the storage tank.
When using a d.h.w. storage tank, the number of charging cycles can be matched to
the type of tank.
Setting range Unit Factory setting
0 / 1 Increment 1
With this setting, the number of d.h.w. charging cycles can be limited. The setting also
produces a forward shift of the switching on action.
This setting is active only if the d.h.w. is heated via heating circuit time switch programs
(setting line 121, selection 1). Also refer to section ""D.h.w. heating program" in Index.
Entry:
0 Once per day with a forward shift of 2.5 hours
1 Several times per day with a forward shift of 1 hour
4.53.1 Once per day with a forward shift of 2.5 hours
Setting 0
The number of d.h.w. charging cycles at the nominal temperature is limited to one per
day, in which case the switch-on point is shifted forward by 2.5 hours. With this setting,
the switch-on point is shifted forward by 2.5 hour (against the heating circuit's on times).
On the days the nominal d.h.w. temperature setpoint is maintained for 24 hours, d.h.w.
charging is automatically released at 00:00 hours with a forward shift of 2.5 hours.
4.53.2 Several times per day with a forward shift of 1 hour
Setting 1
The number of d.h.w. charging cycles will not be limited. With this setting, the switch-on
point is shifted forward by 1 hour (against the heating circuit's on times).
Benefit
Description
Setting
Effect
Note
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