Electrical Connections - Atlas Copco GA 30+ Instruction Book

Instruction book
10. To prevent feedback of exhaust air to the cooling inlet, sufficient space should be foreseen above the
unit to evacuate the exhaust air.
6.3

Electrical connections

Important remark
To preserve the protection degree of the electric cubicle and to protect its components from
dust from the environment, it is mandatory to use a proper cable gland when connecting the
supply cable to the compressor.
Reference
(1)
(2)
Instructions
1. Provide an isolating switch.
2. Check that the motor cables and wires inside the electric cabinet are clamped tight to their terminals.
3. Check the fuses and the setting of the overload relay. See section
4. Connect earth conductor bolt (PE).
5. Connect the power supply cables to their terminals L1, L2, L3.
2920 7180 30
Electrical connections
Designation
Customer's installation
All voltages (50 and 60 Hz)
Electrical cable size.
135