4.3
Priming
Do not start the pumps until filled with water!
4.4
Electric connection
Electrical connections must be carried out in accordance with local regulations and
must only be carried out by authorised engineers.
The motors are started directly on line (Star delta, optional).
The motors are fitted with built in thermal switches.
As additional protection, fault voltage relays, earthing or neutralising can be used
instead.
The wiring diagram is placed on the inside of the S Booster control unit. The diagrams
state values required for the electricity supply.
NOTICE
Check direction of rotation
.
The correct direction of rotation is shown by arrows on the pump
head and on the motor fan cover.
