Electrical Connection - Italtecnica Sirio SR23251 Serie Instrucciones Para El Uso

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ELECTRICAL CONNECTION:

Fit the electric wires into the relative wire clamps, making sure the correct
assembly order is maintained for all the components. Secure the threaded
nuts tightly enough to prevent the wires being pulled or turned from the
outside. The wire clamp for the auxiliary contact is a blind fastener: if you
wish to insert a remote control wire, it is best to remove the said nut from
the unit, then break open the plastic nut with a screwdriver.
If the device is used in one of the following situations:
- temperature of the fluid used higher than 30°C
- ambient temperature higher than 35°C
cables with a thermal resistance of at least 100°C must be used for the power supply and motor cable.
MOTOR PUMP CONNECTION
Sirio can be fitted on three-phase pumps with 220Vac power supply, with a triangular set-up then. This
means that the terminals inside the pump must be checked before wiring up the device to ensure they are
connected as shown in the figure below:
To make the electrical connection, extract the green three-p o l e t e r m i n a l m a r k e d " MO T O R " a n d c o n n e c t
the three pump motor power wires; then fit the terminal back onto its seat and proceed by attaching the
earth wire to one end of the double earth faston. The faston terminals must be crimped by specially
trained personnel, using proper crimping pliers.
This device can run with pumps with a max. rated frequency of 50Hz (60Hz optional) and a capacity of
up to 2200 Watt.
The equipment is fitted with an output short circuit protection.
The wires have a 1.5 mm
recommended that 2.5 mm
The type of wire must be selected according to the conditions of use (domestic, dry or wet, indoor or
outdoor installation).
MOTOR
3X220V~
2
section and lengths of up to 30 m; for lengths from 30 m to 90 m it is
2
section wire be used.
25
EARTH