1.9 ALARM BATTERY TESTING
If applicable, the alarm switch has a test position that can be used anytime to see if the
battery is charged or if the buzzer is working properly.
OPTIONAL EQUIPMENT – DRY CONTACT ALARM RELAY
Located on the back of the freezer is a terminal strip marked ALARM RELAY CONTACTS.
Rating of this connection:
ALARM RELAY CONTACTS CONNECTION RATING
RED – NORMALLY CLOSED
WHITE – COMMON
BLUE – NORMALLY OPEN
CAUTION! IF IT IS NECESSARY TO REMOVE METAL COVER SCREEN ON
BACK OF FREEZER TO MAKE CONNECTIONS TO ALARM RELAY, COVER
MUST BE REPLACED BEFORE FREEZER IS PUT INTO OPERATION
2.0 TEMPERATURE CONTROL
This freezer includes a digital temperature control which displays the setpoint and actual
temperature of the unit on the display screen.
The temperature control is manually adjustable to the desired temperature in 1° C
increments within the limits of the control range.
WARNING
Unauthorized entry into this control will void warranty.
SO-LOW CONTROL MODELS
SO-LOW
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FDC 4000
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