MAX
MIN
2
1
3
Fig. 7:
Filling the operating fluid
1 Filler screw
3
Sight glass
2 O-ring
Filling the operating fluid
1. Unscrew the filler screw.
2. Fill the operating fluid according to the sight glass.
– The correct fill level is between the MIN/MAX markings or within the ring mark on the sight
glass.
3. Screw in the filler screw.
– Be careful with the O-ring.
4. Shut off the vacuum connection or the intake port valve, if fitted.
5. Start the vacuum pump.
6. Operate the vacuum pump for approx. 5 minutes.
7. Switch off the vacuum pump.
8. Wait approx. 1 minute until the operating fluid has accumulated in the operating fluid separator.
9. Check the fill level on the sight glass.
– The correct fill level is between the MIN/MAX markings or within the ring mark on the sight
glass.
10. If necessary, fill more operating fluid in case the fill level is incorrect.
11. Open the intake port valve, if fitted.
5.5 Establishing mains connection
DANGER
Danger to life from electric shock
Touching exposed and voltage-bearing elements causes an electric shock. Improper connection of
the mains supply leads to the risk of touchable live housing parts. There is a risk to life.
► Before the installation, check that the connection leads are voltage-free.
► Make sure that electrical installations are only carried out by qualified electricians.
► Provide adequate grounding for the device.
► After connection work, carry out an earthed conductor check.
Installation
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