BMF FREEZER – USER MANUAL
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Chapter 6: Maintaining the Freezer
Note:
This manual cover operations and maintenance operations for the owners/users of the BMF
Premium Line. Complete certification procedures and specifications are published in a separate
publication Technical Manual: BMF Freezer Line Procedure Stations. This manual is available for
trained and service person authorized by B Science. A complete certifier service kit is available to
qualified certifiers from B Science.
Cleaning
Cleaning should be done when needed. When used in a dirty environment it might be necessary to remove
the compressor compartment top cover and clean the compressor compartment eventually with a vacuum
cleaner.
If the cleaning process is neglected there is a risk that the performance of the Freezer will be affected, and
even damage to the compressor could occur due to overheating.
Automatic Defrosting.
This BMF Freezer has Automatic Defrosting cycles every 6 hours, so the evaporator will have the best
performance. The evaporator will be heated up to +1°C, so there is no ice left, but the chamber will still
maintain the normally temperature as the setpoint, since the evaporator is in a closed metal box, with a fan
to circulate the air around in the chamber. During the defrost cycle, the fan will also be stopped.
NOTE!
Never use a sharp metal object which might will cause damage to the inner liner.
In case of loading the chamber with warm samples, or having any or long door openings, the ice will build
up faster, and may need a manually defrost cycle.
The manual defrosting frequency is determined mainly by two factors the usage pattern
(number of door openings) and the relative humidity.
