Power Setting; Frequency Converter; Commissioning/Operating Check; General Remarks - Biral LX Instrucciones De Instalación Y Funcionamiento

46 english

5.2 Power setting

The motor has two speed settings.
The changeover to the other speed is made manually by inserting
the plug into a different socket.
With plug Type A, 2 speeds can be set manually.
In the window then appears:
I = low rpm
In the window then appears:
II = high rpm
Never insert the plug (rpm) into a different socket
when live! Switch off the supply current before
the plug is inserted or pulled out.
To change sockets, release the 2 screws, after the plug has been
inserted into a different socket, screw the 2 screws tight again.
Switch on current.

5.3 Frequency converter

To regulate frequence converter cannot be used (noise).

6. Commissioning/Operating check

6.1 General remarks

Fill the system correctly and deaerate it.
Only put the pump into operation when the plant has been filled.
Switch on the power supply.

6.2 Direction of rotation

- Simple rotation direction check by press button (two available);
compare the motor shaft's direction of rotation with the direction
of rotation stated on the type plate.
- Rotation direction check with screw plug (without press button);
release screw plug . Depending on the temperature and system
pressure, hot pumping medium can escape in the form of liquid
or steam. There is a risk of scalding. Compare the motor shaft's
direction of rotation with the direction of rotation stated on
the type plate.
Tighten screw plug again.
Note: If the motor rotates incorrectly, the pump performance
is considerably reduced.
If the direction of rotation is wrong, switch off the power supply
and interchange two phases on the terminals U1, V1, W1
in the terminal box.