VACUUBRAND PC 3001 VARIOpro emission condenser Peltronic - Manual (Page 49)

page 49 of 120
+
Make sure that air/gas intake through the gas ballast
valve can never lead to hazardous, explosive or other-
wise dangerous mixtures. If in doubt, use inert gas.
To reduce condensation in the pump, do not pump vapor
before the pump has reached its operating temperature.
Open the gas ballast valve when pumping condensable
vapors. Turn gas ballast cap to open valve.
For condensable vapors (water vapor, sol-
vents, etc.):
- The gas ballast valve is open if the arrow on
the gas ballast cap is pointing towards the
pump.
- With gas ballast valve open, the ultimate
vacuum will be reduced.
- Use inert gas for gas ballast to avoid the formation of
explosive mixtures. Attention: maximum supply pres-
sure of inert gas: 17.5 psi (1.2 bar) absolute.
- Close the gas ballast valve by turning the cap 180°.
In case of low boiling solvents (when the formation of
condensate is unlikely), the use of gas ballast might be
unnecessary. Operating the pump without gas ballast in-
creases the solvent recovery rate at the exhaust waste
vapor condenser.
Important notes concerning the operation of
the exhaust waste vapor condenser
➨
Connect the exhaust to a suitable treatment system to
prevent the discharge of dangerous gases and vapors
to the surrounding atmosphere.
+
Never block the gas outlet ((6) hose nozzle for tubing
I.D. 3/8” (10 mm)). The exhaust hose must always be
unobstructed and without back-pressure to enable an
unhindered discharge of gases.
+
Check the overpressure safety relief device (17) at the
NOTICE
gas
ballast