Thermo Technologies Thermo Alarm - Manual (Page 3)

Thermo Technologies
August 2002
switch. The large amber LED will blink if the power is connected
correctly and the temperature of monitored room is outside the range.
A small green light comes on showing operation mode of the unit.
Wiring the Alarm
While the large amber LED blinks, the internal relay is on (Black and
White wires). This contact is dry and potential free. It is designed to
give a signal to alarm devices such as auto-dialer or a Piezo
Siren/Alarm.
Calibrations
ThermoAlarm is delivered in Fresh Produce Mode and calibrated at
the factory as follows:
•
Frozen Food –20 F to +10 F
•
Fresh Food +33 F to +45 F