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OPERATING INSTRUCTIONS
Key lock operation
This unit incorporates a key lock feature which can inhibit the tampering using the keys on the control
panel.
The key lock is set to OFF at the factory.
Display Mode Function
L 0 Key lock OFF Temperature change enabled
L 1 Key lock ON Temperature change disabled
Table 2 Key lock setup procedure (Example: Key lock OFF Key lock ON)
Operation Key operated Indication after operation
The current refrigerator or freezer
temperature is displayed.
1
Press and hold the digit shift
key for about 5 seconds.
The first digit of the temperature
display blinks.
2
Set the first digit to 1 with
the numerical value shift key.
Pressing the key shifts up the figure
of the digit.
3 Press the set key. SET
Key lock is set to ON and the current
refrigerator or freezer temperature is
displayed.
Note:
Key lock can be set any time when the current refrigerator or freezer temperature is displayed.
Remote alarm terminal
The terminal of the remote alarm is installed at the left
bottom of the unit. The alarm is outputted from this
terminal.
Contact capacity is DC 30V, 2 A.
Contact output: At normal condition “Open”
At abnormal condition “Close”
Note:
The alarm is actuated when the power cord is
disconnected from the outlet and the power switch is
OFF.
Terminal