Combination With Room Unit Qaw70 - Siemens RVL481 Basic Documentation

Knob for room tempera-
ture readjustments
Note
Overriding the heating
circuit's operating mode
Siemens
Building Technologies
Using the knob of the QAW50, the room temperature setpoint of NORMAL heating can
be readjusted by ±3 °C.
The adjustment of the room temperature setpoint on the controller's operating line 1 will
not be affected by the QAW50.

28.1.3 Combination with room unit QAW70

Using the QAW70, the following functions can be performed or the room unit can act on
the RVL481 as follows:
• Overriding the heating circuit's operating mode
• Readjustment of room temperature setpoints
• Readjustment of the NORMAL d.h.w temperature setpoint
• Readjustment of room temperature
• Entry of time of day
• Overriding the heating program
• Display of the actual values acquired by the RVL481
For this purpose, the QAW70 has the following operating elements:
• Operating mode buttons
• Economy button (also called presence button)
• Knob for room temperature readjustments
• Buttons for selecting the operating lines
• Buttons for changing the values
The day of the week is calculated automatically by the controller; an adjustment from
the room unit QAW70 is not
From the QAW70, the heating circuit's operating mode of the RVL481 can be overrid-
den. This is accomplished with the operating mode button and the economy button.
To enable the room unit to act on the RVL481, the following operating conditions must
be satisfied:
• AUTO mode for heating circuit
• No holiday period active, no manual operation
The impact of the QAW70's operating mode buttons on the RVL481 is as follows:
Operating mode QAW70
Heating and D.h.w. Controller RVL481
28 Communication
Room unit QAW70 with room temperature sensor,
time switch, setpoint adjustment and room tem-
perature readjustment (setting knob)
possible.
Heating circuit's operating mode RVL481
; temporary overriding with economy button
possible
Continuously NORMAL
heating, depending on the economy button, perma-
nent overriding
Protection
or continuously REDUCED
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