Start up
Step Action
1 Close the drain valves (see the section Cooling and condensate system).
2 Switch on the voltage.
3 Start the compressor and stop it immediately. Check the rotation direction of the drive
motor while the motor is coasting to a stop. To determine the rotation direction of the
motor, look at the fan through the grating at the non-drive end of the motor. The correct
rotation direction is indicated by an arrow on the gear casing and on the fan cowl.
On air-cooled compressors, check the rotation direction of the fan motor. The fan is
visible through the grating in the air inlet panel (see section Dimension drawing). The
correct rotation direction is indicated by arrows on the fan inlet plate.
4 If the rotation direction is wrong, press the emergency stop button, switch off the voltage
and reverse two incoming electric lines.
If the rotation direction of the fan motor is wrong, consult your Atlas Copco customer
centre.
5 Run the compressor for a few minutes and check that it is operating normally.
5.2 Before starting
Warning
The operator must apply all relevant safety precautions. See the section Safety precautions.
Switch off your mobile phone when in the vicinity of a VSD compressor which is under
tension.
Control panel
Elektronikon Graphic controller
Reference Name
1 Alarm
Instruction book
56 APF221384
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