15
Operation
6 Operation
6.1 Commissioning
The following important settings are programmed in the electronic drive unit ex
factory.
• Control max. run-up time: 8 min
• Gas mode: 0 = heavy gases
• Rotation speed switchpoint: 80% of the nominal roation speed
• Venting rotation speed at delayed venting: 50% of the nominal rotation speed
• Venting time: 3600 s
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Loosen the transportation lock before first-time starting.
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When water cooling is used: Open cooling water supply and check the flow.
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When sealing gas is used: Open the sealing gas supply and check the flow.
Transportation lock
Turbo pumping stations of the HiCube Classic line are equipped with transporta-
tion lock for the backing pumps (see label). The transportation lock consists of two
opposing knurled screws with spring suspension which fasten the backing pump's
bottom plate.
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Lift the carrying handle.
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Loosen two retaining screws each from a side panel.
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Remove the side panel:
– Lift the side panel approx. 2-3 cm from its adjustment and tilt it outwards.
– Disconnect the earthing cable from the terminal socket of the side panel.
– Remove the side panel from the pumping station.
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Loosen the knurled screw of the transportation lock.
CAUTION
Danger of the pump being destroyed
Pumping of gases with the molecular mass> 39 in the wrong gas mode can lead to
destruction of the pump.
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Ensure the gas mode is correctly set.
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Contact Pfeiffer Vacuum before using gases with a greater molecular mass (> 80).
Fig. 7: Transportation lock for HiCube Classic
78
Side panel
84
Handle
93
Transportation lock
78
84
9
3
3
4
1
2
