14
START-UP OF UNIT
Use the following procedure to start trial operation or actual operation of the unit.
1.
Confirm that all switches (power switch, battery switch, remote alarm switch and backup switch) are off.
2.
Set liquid N
2
cylinder.
3.
Put the inner lid, close the door, and connect a power supply cord to the power supply outlet.
4.
Turn on the power switch. The chamber temperature is indicated.
5.
Set up the temperature with the temperature control knob when using a backup cooling kit.
6.
Turn on the battery switch, remote alarm switch and backup switch.
7.
Push the alarm buzzer stop key (BUZZER) for about 5 seconds, and confirm the flashing of the alarm
lamp and a buzzer sound. When it is pushed again, an alarm test movement is finished.
8.
Push the backup test switch, and confirm that liquid N
2
flows into the freezer chamber.
9.
Put the sample to cryopreserve into the freezer chamber.
Turn off the remote alarm switch and the
backup switch when temperature of the sample is high. Then, turn on these switches under the
condition that a sample is refrigerated again.
Operation after power failure
The set value is memorized by nonvolatile memory. Accordingly, the freezer resumes the operation with
setting before power failure. During the power failure, the clock function is operating.
■
When this product operates at the first start-up or after no use for long period, the built-in battery
capacity may be lowered or completely zero because of discharge of the battery. After installation the
product, the freezer should operate for more than three days (72 hours) to charge the battery.
Summary of Contents for MDF-C2156VAN Series
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