Chapter 4: Using Your Freeze Dryer
Product Service 816-333-8811 or 1-800-522-7658
23
LED to turn OFF the refrigeration system. Turn OFF the Main Power Switch on
the right hand side of the cabinet.
Defrosting
The following procedure should be followed when defrosting the collector coil:
1.
Pull the collector chamber drain hose out from the left hand side of the Freeze
Dryer and remove the drain plug. Place the drain hose in a suitable container
to collect the condensate that will melt off the collector coil.
2.
Remove the collector chamber lid and allow ambient room air to melt the ice.
Dispose of the liquid appropriately.
3.
Flush the collector chamber with water and wipe chamber dry.
4.
If rapid defrost is desired, pour warm water over the collector coil.
Do not
allow the liquid to enter the vacuum port on the upper rear of the chamber.
5.
Reinstall the drain hose plug and slide drain hose back into the side of the
cabinet. Dispose of the liquid appropriately.
Utilization of acid requires immediate cleaning and
neutralization after defrost or physical damage to the collector
chamber and collector coil will result.
Do not attempt to chip ice from the collector coil as damage
may occur to the coil.
Never attempt to start the vacuum pump when there is liquid in
the collector chamber. This could result in damage to the
vacuum pump.
Alarms
A number of unusual events may occur during a lyophilization procedure that can
adversely effect the operation of the Freeze Dryer. If an event occurs, the alarm
indicator will flash and the beeper will sound.
The beeper will automatically mute itself after one minute. The specific alarm can
be identified by pressing MENU. Pressing MENU multiple times will display
multiple alarms if they have occurred. The following “out of specification”
conditions will initiate an alarm:
Power Failure
If a power failure occurs during a Freeze Dry process, the vacuum control valve
will allow air to bleed into the Freeze Dryer System. If the failure is of a short
duration and the collector does not warm up excessively, when power is restored
the Freeze Dryer will restart and resume operation of the refrigeration and vacuum
systems. If the power failure lasts for a longer duration and the collector warms
above safe limits, when the power is restored, the Freeze Dryer will not
!
Summary of Contents for FreeZone 76700 Series
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Page 65: ...Appendix D Freeze Dryer Accessories Product Service 816 333 8811 or 1 800 522 7658 60 Ampules...
