General installation and maintenance instructions
SCROLL ENCLOSURE AIR COMPRESSOR
Page 11 / 22
09/2007
Manual N° 5.18396. VERSION 0 - GB
BACKWARD
:
Air-end rotates backward. No scroll compressor unit can start.
If "BACKWARD" displays, switch the breaker OFF and exchange two out of three phases
of electric source by a qualified electrician.
In remote control, when one alarm appears, the dry contact 7 – 8 is inversed and after 90 seconds, the compressor is
blocked by the controller.
Acknowledgement of disjunction and T.MAX
Press the button
.after acknowledgement of disjunction or T.MAX.
8.3. High
pressure
In case of remote control, if the pressure reaches 10 bar, the discharge valve opens and the message "HIGH
PRESSURE" appears in the third line until the pressure decreases to 9 bar.
This case doesn't stop the compressor.