9 Operation
9.1 Switching the machine on and off
Always switch the machine on with the «ON» key and off with the «OFF» key.
Precondition A power supply isolating device has been installed by the user.
Fig. 42 Switching the compressed air station on and off
7
«ON» key and LED
8
«OFF» key
13
«Load/Idle» toggle key
14
IDLE LED
15
LOAD LED
16
Voltage applied to controller LED
9.1.1 Switching on
Precondition No personnel are working on the machine.
All maintenance doors and removable panels are in place and secured.
The ambient conditions as described in Chapter "Installation and Operating Conditions" are met
1. Switch on the user's power supply isolating device.
2. Switch on the machine and wait for SIGMA CONTROL 2 to start.
The
voltage applied to controller LED
16
lights green.
3. Press the «On»
7
key.
The
On LED lights green.
If a power failure occurs, the machine is not prevented from re-starting automatically when
power is resumed.
The compressor motor / engine may automatically re-start as soon as power is restored (see
Result At the first switching-on after the power has been restored, the compressor starts as soon as net‐
work pressure is lower than the network nominal pressure.
9
Operation
9.1
Switching the machine on and off
176
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
No.: 9_9450 12 E