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Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Description of the heating engineer settings
18.10.2002
4.195 Display of room temperature setpoint TRw
•
Information about the room temperature setpoint in the various operating modes
Displays the current room temperature setpoint during the respective heating period
(normal operation / reduced operation / standby).
Display
Unit
0...35 °C
When selecting the operating line, the current room temperature setpoint is displayed,
depending on the operating mode and the time switch program, that is, a selection /
combination of the following parameters:
•
Room temperature setpoint knob
•
Reduced setpoint of room temperature (operating line 27)
•
Frost protection setpoint of room temperature (operating line 28)
•
Readjustments made on the room unit (QAW50 / QAW70)
4.196 Heating circuit flow temperature setpoint
TVw
•
Displays the current flow temperature setpoint of the heating circuit.
When selecting this operating line, the current flow temperature setpoint of the control-
ler’s internal heating circuit is displayed.
Display
Unit
0...140 °C
The value displayed corresponds to the flow temperature of the heating circuit that is
required for satisfying the demand for heat.
The display shows “---“ in the following situations:
•
No heating circuit available
•
ECO function active (summer / winter changeover, automatic 24-hour heating limit)
•
Quick setback active
•
Room temperature limitation active
4.197 Actual value of the heating circuit flow
temperature TVx (B1)
•
Visualization of the flow temperature
•
Checking
the
plant’
status
When selecting the operating line, the display shows the actual value of the flow tem-
perature (sensor B1).
Display
Unit
-50...350 °C
– – –
No value available
Benefit
Description
Setting
Benefit
Description
Setting
Note
Benefit
Description
Setting
Special displays
