13
START-UP OF UNIT
Follow the procedures for the initial and consequent operations of the unit.
1.
Connect the power cord to the dedicated outlet with appropriate rating.
2.
Turn on the power switch.
3.
Turn on the battery switch. The alarm buzzer sometimes operates. In this case, stop the buzzer by
pressing the alarm buzzer stop key (BUZZER).
4.
Set the chamber temperature to the desired temperature.
5.
Allow the chamber temperature to fall to the desired temperature. Check the chamber temperature on
the digital temperature indicator.
6.
Press the alarm test key (ALARM TEST) and check that the alarm lamp blinks and alarm buzzer
activates. Also, the remote alarm is activates.
Note:
E09 is displayed on the digital temperature indicator when the battery switch is OFF.
7.
Begin slowly placing items into the chamber to minimize the temperature rise.
CHAMBER TEMPERATURE SETTING
Table 1 shows the basic procedure for setting the chamber temperature. Perform key operations in the
sequence indicated in the table. The example in the table is based on the assumption that the desired
temperature is -25
o
C.
Note:
Factory setting is the chamber temperature -30
o
C.
Table 1 Basic operation sequence (Example: Chamber temperature -25
o
C)
Description of operation Key operated Indication after operation
1
Connect the power cord to the
outlet. Turn the power switch ON.
----
The current chamber temperature is
displayed.
2 Press set key. SET
The second digit of the temperature
indicator flashes.
3
Set the temperature to 25 with the
digit shift key and the numerical
value shift key.
By pressing the key, settable digits
moves.
By pressing the key, the numerical
value of the settable digit increases.
4 Press set key. SET
The current chamber temperature is
displayed.
Although the value of the chamber temperature setting can range from -18
o
C to -35
o
C, the guaranteed
temperature when there is no load is -30
o
C when the external temperature is 30
o
C.
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