13
TEMPERATURE SETTING
Table 1 shows the basic operation method. Perform key operations in the sequence indicated in the
table. The example in the table is based on the assumption that the freezer temperature is -20
o
C.
Note: The unit is set at the factory that 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 source and turn
on the power switch.
----
The current chamber temperature is
displayed. Chamber temperature
higher than 1
o
C to be displayed ”HI”
lower than -41
o
C to be displayed “LO”.
2 Press set key. SET
The first digit of the temperature
indicator flashes.
3
Set the temperature to -25 with the
digit shift key and the numerical
value shift key.
Pressing the digit shift key leads the
flash of the second digit.
Pressing the numerical value shifts
key down the figure of the current
digit to 2.
4 Press set key. SET
The value is stored in memory and
the current chamber temperature
is displayed.
Note:
￭ The setting mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation. In this case, any setting before pressing the set key (SET) is not memorized.
￭ The freezer temperature can be set in the range between -18 and -35
o
C. Remember that the
guaranteed temperature with no load at an ambient temperature of 35
o
C is -30
o
C
KEY LOCK FUNCTION
This unit is provided with the key lock function. When the key lock is ON, change of temperature setting
through the key pad is not available. The key lock is set in OFF at the factory.
Display Mode Function
L o 0 Key lock is OFF Enable to change of temperature setting
L o 1 Key lock is ON Disable to change of temperature setting
Table 2 Procedure for key lock setting (change from key lock OFF to key lock ON)
Description of operation Key operated Indication after operation
1
----
The current chamber temperature is
displayed.
2 Press digit shift key for 5 seconds.
The right digit is flashed.
3
Press numerical value shift key and
scroll the figure to 1.
When pressed, the figure of settable
digit increases.
4 Press set key. SET
The key lock is set to ON.
The current chamber temperature is
displayed.
Note:
The key lock only works with the chamber temperature setting and the defrost key (DEF).
