VACUUBRAND PC 620 - Manual (Page 17)

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.: 999029 / 01/10/2009
page 17 of 48
Shutdown:
Short-term:
Has the pump been exposed to condensate?
☞ Allow the pump to continue to run at atmospheric pressure for a few minutes.
Has the pump been exposed to media which may damage the pump materials or forms
deposits?
☞ Check and clean pump heads if necessary.
Long-term:
➨ Take measures as described in section short-term shutdown.
➨ Separate pump from the apparatus.
➨ Drain catchpots.
➨ Close inlet and outlet port (e. g. with transport caps).
➨ Store the pump in dry conditions.
In case of condensation:
➨ Check liquid level in both catchpots during operation. Avoid overflowing of the catch-
pots.
☞ Do not overfill the catchpots. Maximum liquid level approx. 80%, to avoid problems
when removing the catchpots.
➨ Check liquid level in both catchpots regularely and drain catchpots in time.
Removing the catchpots:
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.