EDOC00092 –ULT RFID Freezer User Manual, REV6 –8/16/2023 10
Initial Loading
Allow the device to operate at the desired temperature for a minimum of 12 hours before loading with
inventory. Load the device one shelf at a time, beginning with the top shelf. After stocking each shelf
allow the device to recover to desired temperature set point before loading the next shelf. Repeat this
process until the device is fully loaded.
Access Verification
Present access pass to the pass reader located next to the LCD display on the front panel. Once
presented, the display should indicate the door is unlocked. The door will automatically relock and scan
inventory when closed. This can be verified by gently pulling on the door handle.
Remote Alarm Contacts
Alarm contacts on the back of the device are available to wire the device into an alarm system. Contacts
can alarm on high/low temperature, power outages, and control probe failures. Additionally, a 4-20 mA
output is available for remote temperature monitoring.
Backup System Installation
The installation of the backup system should be performed by a qualified representative. Reference
Appendix A and B for details about the dangers and proper handling of LN2and CO2.
OPERATING INSTRUCTIONS
Basic Access Process
User will present an access pass to the pass reader on the device. The LCD display will indicate granted
access when a valid access pass has been presented.
The user will now be able to open the device door to interact with products. The device will unlock for five
seconds, if it is not opened within this time the user will have to present their access pass again. The
device will give an audible alarm if the door is left open for one minute or other predetermined time.
Once products have been added or retrieved, firmly close the device door. The door will automatically
lock, and the inventory process will begin. The inventory process will take about a minute to complete.
Resulting updated inventory will then be sent to Terso Solutions for processing. The device will not be
accessible during the inventory process. Access is restored after completion of the inventory scan and the
process can be repeated.
Alarms
All device alarms are automatically sent to Terso Solutions. Terso Solutions staff may contact on-site
personnel to assist in correcting any potential problem.
Alarm Types
Door Open
When the device door is left open for longer 2 minutes (may vary from device to device as it is dependent
on preconfigured device settings), an audible alarm will sound, and the LCD display will show “Please
close door” until the door is closed. If the door appears to be closed, verify nothing is obstructing the door
and attempt to re-close.
Power Outage
In the event of a power outage, an audible alarm will sound, the LCD display will show “AC power fail,”
and the freezer display will show “E04”. The alarm will continue until AC power has been restored or the
onboard UPS system runs out of power. Once power has been restored, the device will perform an
inventory scan and return to normal function.
