The ULT-25 (Ultra Low Temperature, 25 liter volume) incorporates next generation Free-Piston Stirling Cooler (FPSC) technology. FPSCs differ from conventional compressor-based refrigeration in that they provide high efficiency, deep-temperature cooling in a lightweight package allowing true portable operation. Table of Contents: INTRODUCTION .
Safety Precautions To prevent personal injury, injury to others, or damage to property, read these safety precautions carefully before use. Do not • disassemble, modify or repair. There are no user serviceable parts inside the freezer unit. Do not • immerse in water or pour water on the unit.
Unpacking and Set-Up Remove the freezer and all accessories from the box. Carefully inspect the freezer and all accessories for any shipping damage. Check the packing list to verify that the shipment is complete. Place the freezer on a level surface. Make sure that the air inlets and outlets are not blocked.
FEATURES Freezer The Global Cooling ULT-25 FPSC freezer has the following features: 1. A freezer chamber which is protected by two lids — Inner lid has a tight fitting foam lid — Outer lid has a latching lid with a lock 2.
Control Panel A. Seven-Segment display — Shows all numerical displays; default display is chamber temperature. B. On/Off button and LED — Turns freezer on and off and shows state. C. Set T button and Set T LED — This must be pressed to adjust the Set Temperature. buttons —...
General Operating Principles Important changes to the freezer settings require sustained button pushes. This helps prevent accidental changes to the settings during transportation. Some sequences require a three-second button press and hold while other sequences require a five-second button press and hold. For example, Turning the freezer ON requires a three-second press and hold (two beeps).
Method B • To change the Set Point by — Press and hold the Set T button until the Set T LED glows. – The Set Point temperature will appear with the letter S in the first seven-segment display. — The buttons can be used to change the Set Point.
Error Conditions • Certain conditions will cause an Error Code to be displayed on the seven-segment display, and the Error LED will be lit. — The error code will be of the form E ##, where ## is the error code. —...
Maintenance With the exception of the filter, there are no user serviceable parts to maintain. Air Intake Filter Clean accumulated dust and dirt on the air intake filter every month. Pull the filter cover to the left as shown. Please note that it cannot be completely removed.
Troubleshooting Problem Possible Cause Solution Power is not getting to the Check the connections to the power supply freezer from the Power Supply Assure that the wall plug is firmly seated Freezer does not Reseat the connections to the accessory plug power on Power is not getting to the freezer Remove any dirt or burnt material inside the...
Warranty GLOBAL COOLING INC., as the Manufacturer warrants the quality of all parts used in the construction of the ULT-25 to be free from defects to the original purchaser. 1. This WARRANTY shall continue for one year from the original delivery date, i.e., one year from the time of delivery to the shipper (e.g., UPS, FedEx, etc.).
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