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Siemens Heating and D.h.w. Controller RVL481 CE1P2541en
Building Technologies 19 Function block "D.h.w. storage tank" 20.05.2008
19.9 Manual d.h.w. charging
D.h.w. charging can be initiated manually by pressing the d.h.w. button for 5 sec-
onds. As a confirmation, the button will flash for 5 seconds.
Manual d.h.w. charging is active also when
• d.h.w. heating is not released
• the d.h.w. temperature lies inside the switching differential
• d.h.w. heating is switched off
• d.h.w. heating is switched off due to holiday mode
• d.h.w. heating is locked because the maximum charging time has been exceeded
Manually initiated charging of the d.h.w. storage tank is stopped only if the NORMAL
d.h.w. temperature setpoint is reached or if the maximum charging time is exceeded.
After manual charging, d.h.w. heating always remains switched on, irrespective of
whether or not it was switched on before the manual charging.
If d.h.w. heating shall be switched off again after the manual charging, the button must
be pressed again after flashing (button extinguishes).
If the d.h.w. is heated with an electric immersion heater, manual charging is not possible.
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