Room thermostat (heating/cooling) 230 V
7.1 Commissioning
Setting the control mode and valve type
Default setting:
–
Pulse width modulated control (PWM)
–
Valve type deenergised closed (NC)
This setting can be used with most heating systems without adaptation.
Changing the settings
￭
Press the control knob for longer than 20 seconds.
The LED flashes green for PWM control and green/blue for 2-point control.
￭
Press the control knob briefly: The control behaviour is changed.
￭
Press the control knob for longer than one second: The control behaviour is saved.
Adapting the valve type.
The LED flashes red for valve type “deenergised closed” (NC) and red/blue for valve type
“deenergised opened” (NO).
￭
Press the control knob briefly: The valve type is changed.
￭
Press the control knob for longer than one second: The valve type is saved.
The setting mode is exited automatically.
After approx. 2 minutes without any operation the menu is exited without saving.
Setting the temperature limits
The room temperature controller has a setting range of 5 ... 30 °C. The adjustment rings on the
central plate can be used to limit the temperature setting range.
Figure 4: Setting the temperature limit (before/after)
￭
Pull the control knob off the central plate so that the adjustment rings are visible
(Figure 4).
Pulling off is done by hand or with a suitable tool, e.g. vacuum lifting tool or key cap puller.
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82404003
04.05.2022
J0082404003