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Chapter 4: Using Your Freeze Dryer
Defrosting
The following procedure should be followed when
defrosting the collector coil:
1. Pull the collector chamber drain hose out from
the front panel of the unit 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. Flush the collector chamber with water and
wipe chamber dry.
3. If rapid defrost is desired, pour warm water
over the collector coil. Do not fill the
chamber above the collector coil as water
will enter the vacuum stand pipe and drain
into the vacuum pump.
4. Reinstall the drain hose plug and slide drain
hose back into cabinet through the front panel.
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.
!
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