BioLife Stirling Ultracold ULT25NEU User manual

U LT 25NEU
O perating
M anual 86ºC
Ultra-Low
Temperature
Freezer

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U LT 25NEU Quick Guide
INITIAL SETUP
Port Stopper/
Sealant !The Port Stopper/Sealant must be in place during operation
Power Indicator AThe unit is ON when lit
Power ON BPress and hold for two beeps
Power OFF BPress and hold for three beeps
LCD Display CDisplays chamber temperature
Display Setpoint FPress/Release to display current setpoint, S ## displayed
Return to Temp
Display FPress/Release or wait eight seconds
Change Setpoint FPress and hold until Set T LED Eglows, S ## displayed,
then ^or vD
ADVANCED FUNCTIONS
Change
to Preset Press and hold Set Funtil Set T LED Eglows,
S ## displayed, then select Preset 1, 2 or 3 J
Postpone
Over Temperature
Alarm
When Over Temp LED Iglows, press Preset 3 J
until time shows (1.0 h) (If Over Temp LED is not glowing,
then Preset 3 acts as a Temp Preset)
Return to
Temp Display Wait eight seconds, press Preset 3 to return to temperature display
See Error
Code Again If Error LED His glowing, press Preset 2 Jbriefly
(If Error LED is not glowing, then Preset 2 becomes Temp Preset)
Lock Panel Press and hold Preset 1 AND 2 AND 3 Juntil Locked
LED Gturns off (~five seconds)
Unlock Panel Press and hold Preset 1 AND 2 AND 3 Juntil Locked
LED Gturns off (~five seconds)
LCD Display
Codes P ## – Preset Temp, ## h – Alarm Silenced, E ## – Error Code (see operating manual)

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TABLE OF CONTENTS
A
B D F
C E G H I
J
NOTICE:
When unit is first turned on red Over Temp LED Iwill be on until temperature
is within° of setpoint
Panel cannot be locked until temperature is within ° of setpointPanel cannot
be locked until temperature is within º of set point
ULT25NEU QUICK GUIDE (Continued)

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TABLE OF CONTENTS
U LT25NEU
86C PORTABLE ULTRALOW TEMPERATURE FREEZER
The ULTNEU (UltraLow Temperature  liter volume) incorporates next
generation freepiston Stirling engine technology Freepiston Stirling engine
technology differs from conventional compressorbased refrigeration in
that it provides high efficiency deeptemperature cooling in a lightweight
package allowing true portable operation
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS 6
1.1 Injury Prevention 
1.2 Damage Prevention 
1.3 Transportation Care 
1.4 Flammable Refrigerant Use 
2. UNPACKING AND SETUP 9
3.1 Pictorial Tour Freezer 
3. FEATURES OF THE
ULT25NEU FREEZER 11
3.2 Pictorial Tour Control Panel 
3.3 Power Cords 
3.4 Intended Uses 
4. OPERATION 15
4.1 How to Turn the Freezer On/Off 
4.1.1 To Turn the Freezer On 
4.1.2 To Turn the Freezer Off 
4.2 Changing the Set Temperature 
4.2.1 To See the Current
Set Temperature 
4.2.2 Change the Setpoint
to a New Value 
4.3 Using Preset Temperatures 
4.4 OverTemperature Alarm 
4.4.1 How to Silence the Audible
Temperature Alarm 
4.4.2 To Postpone an Alarm 
4.5 Error Conditions 
4.6 Locking the Control Panel 
4.7 How to Switch Between
Power Supplies 
5. ERROR CODES 20
6. MAINTENANCE 21
6.1 Caring for Your Freezer Gasket 
6.2 Air Intake Filter 
6.3 Storage 
6.4 Cleaning 
7. TROUBLESHOOTING 22
8. CALIBRATION GUIDE 23
9. SPECIFICATIONS 26
9.1 Freezer Specifications 
10. WARRANTY 30