Siemens RVA53.242 - Temperature Adjustment Via Room Unit

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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Description of end-user settings 26.03.2001
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3.3.1 Temperature adjustment via room unit
Temperature adjustment or readjustment via a room unit is active only when, on the
controller, automatic mode has been selected!
Adjustment made with the controller’s setpoint knob
= controller's nominal room temperature setpoint
The QAA50 room unit has a knob for readjusting the setpoint in a + / - range. The
readjustment is added to the actual setpoint adjusted with the controller’s setpoint knob.
Adjustment made with the controller’s setpoint knob
+ readjustment made on the room unit (± 3 °C)
= controller's nominal room temperature setpoint
Adjustment made with the controller’s setpoint knob 20 °C
Adjustment made with the controller’s setpoint knob + 2 °C
Resulting setpoint 22 °C
The QAA70 room unit has an absolute setpoint adjustment using a line, which replaces
the setpoint adjusted with the controller’s setpoint knob, provided automatic mode has
been selected on the controller.
In addition, the QAA70 has a knob for readjusting the setpoint in a + / - range. The
readjustment is added to the actual setpoint adjusted with the controller’s setpoint knob.
Setpoint programmed with the room unit
+ readjustment made on the room unit (± 3 °C)
= controller's nominal room temperature setpoint
Adjustment made with the controller’s setpoint knob
(inactive)
22 °C
Setpoint adjustment on the room unit’s line 19 °C
Adjustment made with the controller’s setpoint knob + 2 °C
Resulting setpoint 21 °C
Without room unit
QAA50
Example:
QAA70
Example: