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Agitation System
Basket Access Button - The basket assembly can be raised or lowered at any time by pressing
this button. If the basket assembly is in a thawing cycle, pressing this button will raise the
Basket Assembly and the Cycle Time Indicator will flash. To continue the thawing cycle press
the Basket Access Button again and the Basket Assembly will lower into the chamber and the
timing cycle will continue from where it was interrupted.
Caution:
Do not operate the Basket Access lift-out systems when the
Basket Assemblies have been removed. The weight of the
Basket Assembly helps to keep the internal lift-out rail and
cable assembly properly positioned during operation.
Cycle Time Indicator - The two digital timers display the agitation cycle time (minutes),
remaining cycle time, and error messages.
Time Set Button - Programmed time settings of 0, 3, 5, 8, 10, 12, 14, 16, 18, 20, and 25
minutes, as well as a hold (“HO”) setting, are preprogrammed into the timing system. Press the
Time Set Button to advance through each preprogrammed time setting. If you wish to extend a
thawing cycle that is in progress, press this button (the digital timer display will read “HL”)
and the thawing cycle will continue indefinitely. Press the Time Set Button again and the cycle
will finish its initial programmed time.
Cycle Start/Stop Button - This button starts or stops the thawing cycle. To start a thawing
cycle after the frozen bags have been loaded and the timing cycle has been selected, press this
button. The basket assembly will automatically lower into the chamber bath, the agitation
system will start, and the timing cycle will begin to count down. To cancel a thawing cycle
after it has been started, press the Cycle Button to raise the basket assembly. This will stop the
agitation system and cancel the timing cycle.
Temperature and Alarm Systems
Digital Temperature Controller - Your Helmer Plasma Thawer incorporates a state-of-the-art PID
digital controller system and RTD sensor to accurately control the temperature of the chamber. The
controller system provides visual readouts of the chamber operating temperature, alarm system, heater
output, and other pertinent functions. All temperature, calibration, and alarm settings are made
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