Ebara SB3-23 [4/20] Cable connection

FIRST CONTROL

• The well must be right, without sand or sediments, if not provide to bleed it.

• Before plunging the group check the sense of rotation of the motor: it must be anticlockwise looking

from the shaft exit side. For water cooled motors also control the topping-up of the liquid according to

the motor manufacturer’s instructions.

MOTOR COUPLING

• Check the free rotation of the motor-pump and the cable condition, if not fitted, block the connector

into its seat with a proper key (5 kgm).

Clean the surfaces to be coupled.

• Keep out the suction screen and cable protection, put the suction head of the pump in correspondance

of the motor prisoners and cable cross; couple the grooved joint of the pump to the motor shaft then

fix it whit nuts as standard (3 kgm).

• Make sure that a clearance exists on pump joint by using a screw-driver appealing to the motor,

reassemble the suction screen and cable protection and insert the motor cable in its own seat.

CABLE CONNECTION

• Joint the motor cable to the line cable (10) with high insulating system (thermotightening or dielectric

resin).

• Choose the standard feeder (2) according to: voltage - power - length- type of service (insulation >1

kV).

• When finishing the cable connection, before plunging the electropump, verify the followings by using

suitable instruments: the CONTINUITY among phases, between the earth conductor and motor mass,

the INSULATION between phases and earth.

INSTALLATION

• Handle the pump (12) carefully; don’t hurt it and don’t make it fall.

Apply safety and accident-prevention rules in force in the building yards when screwing pipings (9) and

getting down the group. Be careful to avoid overtunings that could hurt persons and plants.

• Tighten the threads of the discharge pipings; for safety purposes it is better to execute some spot-wel-

dings at the coupling level. With plastic pipings use proper connections.

• Anchor the group with resistant, antioxidant cables (8), suitable to bear the weight of the machine with

discharge pipings full of water.

• When getting down the pump, link the electric cables to the discharge piping, fix them with plastic hose

clamps (each 3 mt), be careful: don’t damage them and NEVER use them to uphold the group.

3” ELECTROSUBMERSIBLE PUMPS • Instructions

Standard use

Well

Liquid

Service

arthesian depth DN 80 mm (3”)

clean water or lightly charged, max, temperature 25°C; sand content 40 g/m

continuous or intermittent max. 20 starts/hour well distributed. Max, voltage

drop 3% on nominal data voltage.