Forma Scientific, Inc.________________________________________Enviro-Scan Monitor
3-2
3.2 Main Power Switch (mains disconnect)
The main power switch is located on the back of the refrigeration unit, directly
above the line cord.
Off
= (o)
On
= (|)
3.3 Key Functions Requiring No Access Code (Refer to Figure 3-1)
Battery
% Charge
Displays the Enviro-Scan Monitor backup battery's percent of charge. The
reading gives some indication of how long the monitor will operate on battery backup. The
Backup system is designed to maintain monitor operation for at least 72 hours. A reading of
50%, when on battery power, indicates that the monitor will run for approximately 36 hours.
The Battery % Charge display may not indicate the full number of hours of
monitor backup power. The % of charge can vary depending on the age, usage and
condition of the battery. For a consistent and dependable charge, replace the battery every
2-3 years.
Silence
Alarm
Silences all alarms for approximately 30 minutes and changes the display to
cabinet temperature.
Enter
Displays cabinet temperature.
This key is also used for functions requiring the access code.
Power
Line
Voltage
Displays the operating voltage of the freezer when both compressors are
running. A zero will be displayed on the LCD when the line voltage reading drops below
100 volts on a 208/220 volt circuit (50 volts on a 115 volt circuit).
Standby
The standby key silences the audible alarm after an alarm condition or a power
failure. The standby key will silence the audible alarm only. The alarm light will stay on
until the alarm condition has been corrected. A built-in ring-back feature audibly signals that
the unit has returned to normal setpoint limits. Press the STANDBY key to remove the
audible tone.
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