VACUUBRAND PC 620 NT - Manual (Page 21)

page 21 of 63
Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999188 / 19/05/2009
Shutdown
Short-term:
- Has the pump been exposed to condensate?
- Allow the pump to continue to run at atmospheric pressure for a few minutes
(continuous pumping at a setting of 60).
- Has the pump been exposed to media which may damage the pump materials or
forms deposits?
- Check and clean pump heads if necessary.
Has the pressure transducer been exposed to media which may form deposits?
- Clean pressure transducer if necessary.
Long-term:
- Take measures as described in section short-term shutdown.
- Separate pump from the apparatus.
- Close inlet and outlet port (e. g. with transport caps).
- Store the pump in dry conditions.
NOTICE
Removing the catchpots:
Stop process.
Catchpot at outlet:
Remove joint clip, remove catchpot and drain condensate.
Catchpot at inlet:
Admit air or inert gas (via inlet of pumping unit) to atmospheric pressure. Remove
joint clip, remove catchpot and drain condensate.
Reassemble drained catchpots.
Important: Comply with regulations when disposing solvents/condensates. Reuse if
possible, purify if contaminated.
To switch a pump directly on/off by the controller a VMS Module A is necessary with
adapter cable and mains cable (see accessories).