Venting the vacuum pump, Electrical connection – Labconco FreeZone Triad Freeze Dry System 74000 Series User Manual
Page 13
Chapter 3: Getting Started
Product Service 816-333-8811 or 1-800-522-7658
9
Venting the Vacuum Pump
If any materials will be placed in the freeze dry system that can liberate
hazardous gases when heated, the vacuum pump exhaust must be vented to a
fume hood or other ventilation device.
Electrical Connection
Connect the power cord into the receptacle on the back of the freeze dry
system and connect the other end into a suitable power receptacle.
The freeze dry system is now installed and must be tested to make certain the
system is free of leaks. Close the door, turn on the freeze dry system
refrigeration and allow the collector temperature to reach –40° or lower, this
could take 20 to 30 minutes. Make sure the Stoppering Control is in the
“RAISED” position and the Vacuum Release control is in the “CLOSED”
position. Start the vacuum pump and monitor the vacuum gauge. The
vacuum on the freeze dry system should reach 0.133 mBar within 30 minutes
and should achieve an ultimate vacuum of 0.040 mBar or lower within 18
hours. If 0.040 mBar cannot be achieved, consult the troubleshooting section
of this manual.
Chemical Resistance of Freeze Dry System
Components
The FreeZone
Triad Freeze Dry System is designed to be chemically
resistant to most compounds that are commonly used in Freeze drying
processes. However, by necessity, the freeze dry system is comprised of a
number of different materials, some of which may be attacked and degraded
by certain chemicals. The degree of degradation is dependent on the
concentration and exposure duration.
Figure 1