Cascade Sciences CVO-5-EX Series, Руководство по установке и эксплуатации

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OPERATION
P
UMPING
D
OWN AND
B
ACKFILLING THE
O
VEN
Reminder:
Verify which valve control your process uses for backfilling the oven (Backfill or Vent).
End of Procedure
Pump Down the Oven Chamber
1.
Verify the Vacuum, Vent, and Backfill Valve controls are in the closed position.
•
This protects your vacuum pump from exposure to
streaming atmosphere.
2.
Turn on your vacuum pump.
•
If using a building supply system, verify it is providing
vacuum to the oven vacuum port.
3.
Open the oven Vacuum Valve.
Turn the control all the way counterclockwise.
•
The Vacuum level value on the homepage
display should show the chamber pressure
decreasing.
•
The achievable vacuum level is dependent on
altitude above sea level as well as the
vacuum supply efficiency and the volume of
outgassed byproducts.
Holding at Vacuum
Continue evacuating the chamber throughout the baking
application to vent outgassed byproducts.
Backfilling the Oven Chamber
4.
Close the Vacuum Valve.
Turn the Vacuum Valve control back to the closed position
(clockwise) to protect the vacuum pump from extended exposure
to streaming atmosphere.
•
The pump may remain on.
5.
Slowly open the Vent or Backfill valve per your SOP.
•
The chamber will return to room pressure.
VACUUM
VENT or Backfill
VACUUM