ENGLISH
23
−
At suction from a well it is indispensable to
install a foot valve complete with filter (Fig.7).
−
The pump is supplied with fittings:
1” GAS for 50Hz versions
1” NPT for 60Hz versions (on request also GAS)
If a fitting is also used on suction, it must be of the
non deformable type (Fig.8)
5.2 Electrical connections
ATTENTION!!
ALWAYS OBSERVE THE SAFETY
REGULATIONS!!
Electrical installation must be carried out by an
authorised, skilled electrician who assumes all
responsibility.
THE SYSTEM MUST BE
CORRECTLY AND SAFELY
EARTHED!!
−
Ensure that the mains voltage is the same as that
shown on the motor data plate.
−
The correct operating voltage and frequency are
indicated on the pump data plate.
Never make any connection on the terminal
card if the electric power supply has not
been deactivated for at least 5 minutes.
5.3 Starting
DO NOT START THE PUMP WITHOUT
HAVING COMPLETELY FILLED IT
WITH FLUID.
Before starting, check that the pump has been regularly
primed, filling it completely with clean water through the
hole provided, after having removed the filling cap,
located on the pump body. The filling cap must then be
accurately screwed back on (Fig.9).
−
Connect the power cable to the mains.
−
When the cable is connected, the red warning light
and the green one on the control panel light up
simultaneously for 3 seconds (Fig.10).
The remote alarm signal will also be activated for 3
seconds, if present.
Fig. 10
Fig. 8
Foot valve
Fig. 7
H 2
0
Fig. 9
