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6.7.2.2.3 CALIBRATION OF THE PRESSURE TRANSMITTER (TDP-S AND TDP-D)
Once fully connected we recommend you carry out a zero calibration: After turning on the
equipment (the green LED is illuminated) wait a few moments until the transmitter reaches
its normal working temperature. Then press the zero set button. The yellow LED flashes
until the calibration process is complete. For a correct calibration, the pressure in the +
and – terminals must be the same. It is recommended that the tubes are disconnected.
6.7.2.3 CONFIGURING THE VARIABLE FREQUENCY DRIVE
The frequency inverter comes pre-configured by Soler&Palau to operate under constant
pressure or constant airflow and the only setting required is to configure the desired wor-
king point frequency.
6.7.2.3.1 SETTING THE WORKING POINT
The operating frequency range is preset by default between 20Hz and 50Hz. In some cir-
cumstances, the working point needs an output frequency higher than 50Hz, so that it is
necessary to reconfigure this parameter.
Resetting this parameter is only required if the
working point frequency is above 50Hz
, otherwise it is not necessary.
This data item can
be found in the equipment selections sheet
and corresponds to the system’s
maximum
operating point.
To make the adjustment, proceed as described below:
To move between the various menus, and between values of a parameter within a menu,
turn the wheel. To access a particular menu and to select the value of a parameter, press
“ENT”. To return to the previous menu or to exit the selection of a parameter press “ESC”.
Firstly, enter programming mode. The inverter has two operating modes, RUN and PRO-
GRAMMING. To move from one to the other, press ESC for two seconds.
• Press ESC for two seconds until the mode indicator LEDs flash simultaneously.
Location of the 3 Mode Leds. Depending on how
they are lit up, they indicate the selected mode:
- SEQUENTIALLY: Run mode
- SIMULTANEOUSLY: Programming mode
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