Labconco FreeZone Quick Installation Manual page 4

• Fill the pump with oil so the level is between the lines on the sight gauge on the end of
the pump housing.
• Verify that the vacuum pump voltage setting agrees with the Freeze Dryer voltage
shown on the serial number label. Reconfigure if necessary. See pump instructions.
• Turn the vacuum pump power switch ON.
• Set the gas
ballast to
closed or
minimum
position.
Step 4. Vacuum Pump Connections
• Benchtop models
o Position the vacuum pump within 2 feet
of the .75-inch diameter port on the
back of the cabinet.
o Attach one end of the vacuum hose to
the port on the Freeze Dryer and the
other end to the inlet port of the
vacuum pump. Clamp both ends
securely.
o Connect the vacuum pump power cord
into the receptacle on the back of the
Freeze Dryer.
• Console models
o CAUTION - Make sure that power to
the Freeze Dryer is disconnected.
o Remove the front lower panel from the
Freeze Dryer by inserting a screw
driver into the slot below the center of
the front panel. Pivot the screwdriver
handle downward while pulling the
bottom of the panel outward.
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Push down
Pull