Rico Ric T50-66S Ric T50S Instrucciones página 41

- foreign bodies;
- impurities;
- moisture.
•
The machines are supplied without control panel.
•
Wire sizes must be able to take maximum current absorbed by the electric motor.
•
The electric motor must be protected against the effects of short circuit, overload, phase failure and reconnection that can cause
overvoltages.
•
Before connecting to the grid, make sure to connect the earth wire to the respective electric motor terminal indicated by the
following symbol .
•
Use the openings in the cable clamps to run the power cables inside the terminal box.
•
After making the terminal box connections, tighten the cable clamp to secure the cables.
• The wiring in the terminal box must be carried out according to the desired connection (Δ, Υ) as shown in the diagrams below and
present in the terminal box:
3~
12.5.3 INVERTER POWERED ELECTRIC MOTOR
ATTENTION!
The performance of the unit may vary in case of power supply with inverter, and frequency or voltage different from the rated values. For
the performance of an inverter-powered unit with frequency or voltage different from the rated values, contact the Rico After-Sales
Service.
•
Connect the electric motor thermal protectors, to protect the inverter-powered electric motor.
•
The power supply via inverter is always the responsibility of the installer, who must ensure compliance with the standards and the
installation procedures indicated by the inverter manufacturer.
12.5.4 ROTATION DIRECTION
The machines must be used respecting the rotation direction indicated by the
arrow on the electric motor fan cover.
•
To check the rotation direction, switch the motor on briefly and observe the
fan.
•
To change the rotation direction, invert the power cable connections,
leaving the earth connection unchanged.
•
refer to the connection diagram located inside the terminal box and in this
section
ATTENTION!
The position of the motor does not always allow the rotation direction to be checked, therefore it is advisable to do this check before
installation in the system.
 Druckluftanlagenbau GmbH
RIC T50S – T120S
3~
Tel. +49 ( 0 ) 2151 9931 99 - vk@rico-druckluft.com
41 / 120
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