Manual Siemens RVP351 (page 91 of 108) (English)

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Siemens Basic Documentation RVP340, RVP350, RVP351 CE1P2545en

Building Technologies 20 Communication 15.03.2011

20.1.3 Interplay with room unit QAW70

In combination with the QAW70, the following functions can be performed, or the

room unit can act on the controller as follows:

 Overriding the heating circuit's operating mode

 Changing room temperature setpoints

 Changing the d.h.w. temperature setpoint

 Readjustment of room temperature

 Input of time of day

 Overriding the heating program

 Display of the actual values acquired by the controller

For this purpose, the QAW70 has the following operating elements:

 Operating mode button

 Economy button (also termed presence button)

 Knob for readjusting the room temperature

 Buttons for selecting the operating lines

 Buttons for readjusting values

From the QAW70, the heating circuit’s operating mode can be overridden. This is

accomplished via the operating mode selector and the economy button.

To enable the room unit to act on the controller, the latter must satisfy the following

operating conditions:

 Heating circuit operating mode AUTO

 No holiday period active, no manual control

The operating mode selector of the QAW70 acts on the controller as follows:

Operating mode

of QAW70

Operating mode of heating circuit controller

; optional temporary overriding with economy button

Continuously NORMAL or continuously REDUCED

heating, depending on the economy button

Protection mode

With the knob of the QAW70, the room temperature setpoint for NORMAL heating

can be readjusted by ±3 °C.

The QAW70 does not affect the adjustment of the room temperature setpoint on

the controller's operating line 1.

If the controller with a connected QAW70 is isolated from the mains network and

then reconnected, the following parameters on the QAW70 will be overwritten with

the settings made on the controller:

 Time of day and weekday

 Complete heating program

 Room temperature setpoint for NORMAL heating

 Room temperature setpoint for REDUCED heating

 D.h.w. temperature setpoint

Hence, the controller is always the data master.

Overriding the heating

circuit's operating

mode

Knob for room tempe-

rature readjustments

Overriding the

QAW70 inputs from

the controller

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Others manual(s) of Siemens RVP351

Siemens RVP351 User Manual - German - 108 pages

Siemens RVP351 User Manual - French - 112 pages

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Siemens RVP351 Manual

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