Atlas Copco GA 7 VSD+ Instruction Book page 82

Description
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. See section
4. Connect the power supply cables to terminals (1, 3 and 5)
5. Connect the earth conductor to the earth bolt (PE).
Compressor control modes
See also section
The following control modes can be selected:
• Local control: The compressor will react to commands entered by means of the buttons on the
control panel. Compressor start/stop commands via Clock function are active, if programmed.
• Remote control: The compressor will react to commands from external switches. Emergency stop
remains active. Compressor start/stop commands via Clock function are still possible.
• LAN control: The compressor is controlled via a local network. Consult Atlas Copco.
Compressor status indication
The Elektronikon controller is provided with potential free auxiliary NO contacts (NO = normally open)
(K05, K07 and K08) for remote indication of:
• Manual or automatic operation (K07)
• Warning condition (K08)
• Shutdown condition (K05)
Maximum contact load: 10 A / 250 V AC.
Stop the compressor and switch off the voltage before connecting external equipment. Consult Atlas
Copco.
80
You find the correct position for the electrical connection on the
Electric cable size and fuses
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.
Control mode selection.
Have the modifications checked by Atlas Copco.
Stop the compressor and switch off the voltage before connecting external equipment.
Only potential free contacts are allowed.
Instruction book
Dimension drawings.
2920 7109 23