WHA 900
Offset
• The adjustable offset scope is ± 50°C
• Calibration might be carried out at any desired
temperature.
Calibration Procedure
• Install temp. measurement nozzle, insert thermo
couple, and power on the appliance
• Set airflow to position 4 and air temperature to the
desired value
• Start operation (push green button) and wait until the
displayed temperature has been stabilized
• Push start button for about 15 sec. till the LED is
permanently illuminated
• Turn the setting potentiometer immediately to the
middle position. To correct any offset, by turning the
setting potentiometer slowly clock,- or counter
clockwise to meet the presetting.
• Push the green button to confirm and leave the offset
procedure.