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6
CAUTIONS FOR USAGE
1. If the unit is unplugged or the power to the unit is interrupted, do not restart the unit for at least 5
minutes. This protects the compressor.
2. This inner cabinet is refrigerated by the forced circulation of cooled air inside the chamber. Ensure
that the intake and exhaust vents are not blocked. Adequate space should be provided between the
items inside the unit to allow air circulation. Too much stock will result in temperature of about -2
o
C
around the exhaust vent when the set temperature is 2
o
C. It is recommended to set the temperature to
4
o
C or 5
o
C when a large quantity of articles that should not be frozen are stored.
3. Never store corrosive materials such as acid or alkali unless the container is completely sealed up.
Corrosion may lead to failure of the unit in time.
4. If the ambient temperature is fairly high, the alarm lamp is flashed, temperature display is flashed, and
the buzzer sounds at the time of initial start up. The alarm is canceled automatically when the chamber
temperature is decreased.
5. Once the chamber temperature has stabilized, put the items into the chamber in small batches to
minimize the temperature increase.
6. Fix the shelves securely. Place items on the shelves and leave a space between the walls of the
cabinet and the contents to allow air circulation. Do not place items on the floor of the chamber.
7. Always close the door firmly. The door check lamp is lit when the door is open. The alarm buzzer
sounds two minutes after door opening. The buzzer can be canceled automatically when the door is
closed.
8. Always open and close the door gently. Rough operation may lead fall down of stocked items,
incomplete closing, or damage of door gasket.
9. In the refrigerator compartment, put the items on the shelves and do not contact the items with wall.
10. The cooling pipe is routed in the rear of the freezer. Never use a knife or a screw driver, etc. to
remove the frost. They may cause damage of chamber wall or improper operation of the unit. And do
not drop any heavy items or sharp edge materials onto the freezer floor.
11. Stop the freezer operation by following the procedure on page 19 “Defrosting” when the freezer is not
used or at the time of defrosting of freezer. Under such condition, the freezer is not cooled down at all.
12. If an instrument requiring a power source is to be placed inside the cabinet, the cable can be lead
through the access port on the back side of the cabinet. After using of the port, a rubber cap and
insulation should be replaced to seal the access port. Failure to do this can affect the temperature
uniformity inside the cabinet and lead to condensation on the outside of the access port.