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Benefit
Description
Setting
Generation of setpoint
Note
Siemens Building Technologies
HVAC Products
D.h.w.
Setpoints / actual values
4.220 Display of the d.h.w temperature setpoint
TBWw
• Visualization of the d.h.w. temperature setpoint
• Better overview of the plant's operating state
The current d.h.w. temperature setpoint (TBWw) will automatically be displayed on this
operating line. The setpoint can only be displayed, but not changed.
Display
0...140
The value displayed depends on the following parameters:
• Time switch program d.h.w. heating (operating lines 20...35)
• Nominal setpoint of the d.h.w. temperature
(operating line 26)
• Reduced setpoint of the d.h.w. temperature
(operating line 770)
• Release of d.h.w. heating
(operating line 771)
• Assignment of d.h.w. (operating line 773)
• Number of the d.h.w. heating cycles per day (operating line 774)
• Legionella function OFF / duration of period (operating line 790)
• Legionella function (operating line 791)
• Legionella setpoint (operating line 792)
• Time of legionella function (operating line 793)
No value (---) is displayed in the following situations:
• D.h.w. heating is switched off (button for d.h.w. heating OFF)
Basic Documentation RVP540 / RVP550
Description of the heating engineer settings
Unit
°C
235/348
CE1P2488en
18.10.2002
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