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Maintenance
WARNING: Risk of Shock. Disconnect
equipment from main power before
attempting any maintenance to equipment
or its controls unless stated otherwise.
Cleaning the Cabinet
Interior
To clean the cabinet interior, remove the shelves or baskets
following the instructions in Shelves, Baskets. Use a
solution of water and a mild detergent for cleaning. Rinse
the interior storage components and wipe them dry with a
soft cloth.
Compatible cleaning agents include the following: Mild
detergent, Hydrogen Peroxide, Acetic Acid, Quaternary
ammonium cleaning solutions, and 70% Isopropyl alcohol.
Cleaning the Condenser
Filter
Clean the condenser filter every three months. There is
one condenser filter located in the back cage of the unit
that can be accessed without removing the back cage or
disconnecting the power.
To clean the filter, complete the following steps:
1. Remove the filter by pulling upwards through the slot in
the back cage.
2. Shake the filter to remove loose dust.
3. Rinse the filter in clean water.
4. Shake the excess water from the filter and let it dry.
5. Reinstall filter by pushing downwards through the slot
in the back cage.
CAUTION: Risk of Abrasion. Do not pull
the filter downwards from the bottom. The
condenser has sharp surfaces.
Cleaning the Condenser
CAUTION: Condensers should be cleaned
at least every six months; more often if the
laboratory area is dusty. In heavy traffic
areas, condensers load with dirt more
quickly. Failure to keep the condenser clean
can result in equipment warm-up or erratic
temperatures.
CAUTION: Risk of Abrasion. Never clean
around the condensers with your fingers.
Some surfaces are sharp.
The condenser is located in the top rear of the machine
compartment. To clean the condenser, complete the
following steps:
1. Disconnect the power.
2. Remove the filter.
3. Vacuum the condenser and clean up any loose dust.
4. Replace the filter.
5. Reconnect power.
Automatic Defrost
The defrosting process on all models is primarily
accomplished by air circulated during off-cycle periods.
This heat-free process ensures that the temperature is not
affected by the defrost cycle. The default defrost cycle runs
approximately once per hour and terminates once a preset
evaporator temperature or timer criteria is reached.
Defrost water is collected in a pan in the rear of the unit
and evaporated using system heat. No maintenance is
required.
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