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Siemens Switzerland Ltd
User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
Speed-controlled pumps:
The output signal at UX corresponds to the speed required for the selected pump.
Heat pump setpoint:
The output signal at UX corresponds to the heat pump setpoint.
Output setpoint:
The output signal at UX is proportional to the demand for output on the common
flow.
Heating and cooling request:
The output signal at UX corresponds to the common flow temperature setpoint.
The voltage signal can be inverted. It can thus also be used to control pumps with
variable speeds, or temperature request receivers that use inverted signal logic.
Determines whether the signal shall be delivered as a DC 0...10 V signal or pulse
width-modulated signal (PWM).
This operating line is used to define the maximum temperature request
(corresponding to 10 V).
Types of sensor / readjustment
Line no. Operating line
6097 Sensor type collector
NTC
Pt 1000
6098 Readjustm collector sensor
6099 Readjustm coll sensor 2
6100 Readjustm outside sensor
Selection of type of sensor used. The controller uses the respective temperature
characteristic.
The measured value of the respective sensors can be readjusted by +/- 3 K.
Building and room model
Line no. Operating line
6110 Time constant building
When the outside temperature varies, the room temperature changes at different rates,
depending on the building's thermal storage capacity (type of building construction).
The above setting is used to adjust the rate of response of the flow temperature
setpoint to varying outside temperatures.
• Example:
> 20
The room temperature will respond more slowly to outside temperature variations.
10 - 20
This setting can be used for most types of buildings.
< 10
The room temperature will respond more quickly to outside temperature variations.
Signal logic output UX
Signal output UX
Temperature value 10V
UX
Sensor type collector
Sensor readjustments
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