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Siemens Building Technologies Basic Dokumentation RVA63.280, RVA53.280 CE1P2374E
Landis & Staefa Division 19.04.2001
D.h.w.
2.36 Reduced setpoint of d.h.w. temperature
(TBWR)
High d.h.w. temperature level only if required.
Energy savings due to lower temperatures in the remaining time.
If the d.h.w. is heated by means of a control thermostat connected to terminal B3,
reduced setpoint operation will not be possible.
Reduction of d.h.w. temperatures outside main occupancy times. The time switch
integrated in the controller auotmatically switches between main and secondary
occupancy times. Also refer to "d.h.w. program" in Index.
Setting range Unit Factory setting
8...TBWw °C 40
TBWw Nominal setpoint of the d.h.w. temperature (setting on line 26)
The temperature setpoint during reduced d.h.w. operation will be changed.
0102030405060708090100°C
2373Z13
26 Setting "Nominal setpoint of the d.h.w. temperature”
120 Setting "Reduced setpoint of the d.h.w. temperature”
50
OEM
Setting "Maximum nominal setpoint of the d.h.w. temperature”
D.h.w. heating has 2 different setpoints that can be used:
• Nominal setpoint of d.h.w. temperature: It ensures the d.h.w. temperature required
during main occupancy times
• Reduced setpoint of d.h.w. temperature: It ensures the d.h.w. temperature required
during secondary occupancy times
The periods of time during which these d.h.w. temperature setpoints shall be used can
be set in the d.h.w. program.
Benefit
Note
Description
Setting
Effect
D.h.w. temperature
setpoints
Switching times
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