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the bag with the widest profile in the basket assembly compartment that
is towards the front of the unit. If the wider bag is placed in the back
compartment the front door will not close against the thinner bag.
*The metal basket assembly dividers located between each compartment
on the DH8 units may be removed to allow for large size bags to be held
in the basket assembly. Large size Overwraps are available from
Helmer to protect larger bags from water contamination.
4) Set the Cycle Time: Press the Time Set Button to advance through the pre-programmed times
until the desired cycle time is selected. The following are some general timing guidelines to work
from:
(minutes)
Bag Size Manner Frozen Timing Range
250ml random Fully Flat 8-12
300ml random Fully Flat 12-16
250ml random-thick plastic Fully Flat 14-18
250ml random Folded 14-20
Apheresis or "Jumbo" bag Flat 16-20
The above are common time ranges that have been experienced by other users. As a result of the
many various factors that effect the thawing time of frozen plasma, your thawing times may differ
from the above listed time ranges.
5) Start the Thawing Cycle: Press the Start/Stop Button to begin the thawing cycle. The basket
assembly will automatically lower into the chamber bath and begin agitating. The Cycle Time
Indicator(s) will begin to count down the minutes remaining in the thawing cycle for the
corresponding basket assembly.
6) Interrupting the Thawing Cycle:
You can raise and lower the basket assembly at any time
throughout the thawing cycle by two means:
1) Pressing the Basket Access Button will raise the basket assembly and the digital Cycle Time
Indicator will hold and flash. Press the Basket Access Button again and the basket assembly
will lower back into the chamber and continue the thawing cycle from where it was interrupted.
2) Pressing the Start/Stop Button will raise the basket assembly, stop the thawing cycle, and reset
the digital Cycle Time Indicator.
7) Completion of the Thawing Cycle: After the thawing cycle is completed the agitation will stop,
the basket assembly will automatically lift out of the chamber, a tone will sound five times, and the
cycle Time Indicator will reset itself in preparation for the next thawing cycle.
For maximum performance, the Helmer Plasma Thawing Systems are designed
to be used for one thawing cycle and then set idle until the bath water returns to
the set temperature. Running consecutive cycles will in no way damage the unit
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