© Global Cooling, 2009
10/29/2009
Version 1.2u
2
INTRODUCTION
The ULT25 (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 ..................................................................................................................... 2
TABLE OF CONTENTS.......................................................................................................... 2
SAFETY PRECAUTIONS ....................................................................................................... 3
UNPACKING AND SET-UP ................................................................................................... 4
FEATURES................................................................................................................................ 5
Freezer ..................................................................................................................................... 5
Control panel ........................................................................................................................... 6
OPERATION QUICK GUIDE ................................................................................................ 7
OPERATION............................................................................................................................. 8
General Operating Principles .................................................................................................. 8
How to Turn the Freezer On/Off............................................................................................. 8
Changing the set temperature .................................................................................................. 8
To see the current set temperature
................................................................................................... 8
Change the Set Point to a new value
............................................................................................... 8
Using Preset Temperature
s.............................................................................................................. 9
Changing the preset values.................................................................................................... 10
Min and Max Temperature.................................................................................................... 10
Over Temperature Alarm ...................................................................................................... 10
How to silence the audible Temperature Alarm
............................................................................ 10
To postpone an Alarm
.................................................................................................................... 11
How to change the Over (Under) Temperature Allowance
........................................................... 11
To Silence the Temperature Alarm
................................................................................................ 11
Error conditions..................................................................................................................... 12
Locking the Panel.................................................................................................................. 12
To Lock the freezer panel
............................................................................................................... 12
To Unlock the freezer panel
........................................................................................................... 12
How to switch between power supplies ................................................................................ 12
Error Codes ........................................................................................................................... 13
MAINTENANCE .................................................................................................................... 14
Air Intake Filter ..................................................................................................................... 14
Storage................................................................................................................................... 14
Cleaning ................................................................................................................................ 14
TROUBLESHOOTING.......................................................................................................... 15
SPECIFICATIONS ................................................................................................................. 16
WARRANTY ........................................................................................................................... 17
