44
NRG 26-61 - Installation & Operating Manual -
819874-00
Bringing into service
Calibration to the upper bound of the active measuring range “CAL.H” (100 % calibration value)
Calibration with “CAL.H” ensures the best possible accuracy for setting the measuring range.
Pay attention to the setting instructions on page 39 and proceed as follows:
1.
Increase the level of water in the boiler to the 100 % limit of the desired measuring range.
2.
Select the parameter “
CAL.H
”. After approx. 3 seconds, the old value is shown as a hexadecimal
display.
3.
Press and hold the rotary knob until the new value is displayed.
4.
Save your setting by pressing the rotary knob for approx. 1 second.
Setting the filter constant “Filt”
Here, you can set a time constant to smooth the output signal for the level controller and the
display. The filter constant only affects the display and control, and is set at a fixed value for
the limiter.
Pay attention to the setting instructions on page 39 and proceed as follows:
1.
Select the parameter “
Filt
”.
2.
Press and hold the rotary knob until the current time constant flashes on the display.
3.
Set the desired time constant (1 to 30 seconds).
4.
Save your setting by pressing the rotary knob for approx. 1 second.
