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Summary of Contents for Stirling ULT25NEU
- Page 1 25NEU -86˚C Portable Ultra-Low Temperature Freezer Operating Manual 7.15.19 6000 Poston Rd Athens, Ohio 45701, USA 740.274.7900 / 855.274.7900 740.274.7901 www.stirlingultracold.com...
- Page 2 T H I S PAG E I N T E N T I O N A L LY L E F T B L A N K Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 2 of 28...
- Page 3 When unit is first turned on, red Over Temp LED (I) will be on until temperature is within 10 º of setpoint. Panel cannot be locked until temperature is within 10 º of setpoint. Operating Manual: www.stirlingultracold.com ULT25NEU 3 of 28...
- Page 4 T H I S PAG E I N T E N T I O N A L LY L E F T B L A N K Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 4 of 28...
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Page 5: Table Of Contents
2. UNPACKING AND SET-UP ..........8-9 3. FEATURES OF THE ULT25NEU FREEZER....10-13 Pictorial Tour, Freezer . -
Page 6: Safety Precautions
Do not store flammable items such as gasoline, thinner or solvents in the freezer. • The freezer is NOT rated as an explosion-proof freezer. Do not use hard and/or sharp objects, such as knives, screwdrivers, etc. to remove any • Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 6 of 28... -
Page 7: Transportation Care
• 1.4 – Flammable Refrigerant Use ULT25NEU uses 10-12 grams of R-170 (Ethane) in a hermetically sealed thermosiphon tubing. It requires caution in use and repair. A. Danger – Risk of Fire or Explosion. Flammable Refrigerant Used. Do Not Drill or Puncture Inner Liner. -
Page 8: Unpacking And Set-Up
Press the male adapter firmly into the connection port and turn clockwise until an audible “click” indicates full connection. Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 8 of 28... - Page 9 If you unplug the freezer while it is on, you will hear a sudden noise as the free-piston Stirling engine shuts off. Power outages will also cause the same noise. This noise (described as a “bonk”) is not indicative of damage.
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Page 10: Features Of The Ult25Neu Freezer
3. Features of the 25NEU Freezer 3.1 – Pictorial Tour, Freezer The Stirling Ultracold ULT25NEU free-piston Stirling engine ultra-low temperature freezer has the following features: 1. A freezer chamber which is protected by two lids — Inner lid has a tight fitting foam lid. - Page 11 1” (25.4 mm). AC Power Connection. Power Cord Available DC Power Connection. Power Cord Available Separately. Separately. Temperature Probe Clip Remote Alarm Contacts (optional). (optional). Operating Manual: www.stirlingultracold.com ULT25NEU 11 of 28...
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Page 12: Pictorial Tour, Control Panel
— Indicates when there is an electrical, mechanical or similar error condition. I. Over Temp LED — Indicates when the chamber is over/under the setpoint. The audible beeper can be set to delay warning. J. Temperature Preset buttons Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 12 of 28... -
Page 13: Power Cords
3.4 – Intended Uses The ULT25NEU freezer provides ultra-low temperature storage for both medical and non-medical purposes. The ULT25NEU is registered with the FDA as a Class I medical device (Product Code JRM). The storage of blood or blood products intended for medical purposes is prohibited. -
Page 14: Operation
Method B - press/hold the Set Temp button until the Set Temp LED glows and then press (Methods A and B achieve the same effect. The user can use whichever method they prefer.) Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 14 of 28... - Page 15 – Release the buttons once the desired Setpoint is achieved. — Press the Set Temp button briefly (less than one second) to turn off the Set Temp LED. The display will return to chamber temperature. Operating Manual: www.stirlingultracold.com ULT25NEU 15 of 28...
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Page 16: Using Preset Temperatures
When the audible alarm is sounding it can be postponed. • Press the Temperature Preset - 3 button (located directly beneath the Over Temp LED) and the audible alarm will be turned off for 1 hour. Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 16 of 28... -
Page 17: Error Conditions
— Turn OFF the freezer (Press and hold the On/Off button). — Wait for the fr ee-piston Stirling engine to slow a nd stop (15 seconds). — Unplug the freezer from the current power source and plug into the new, approved power source. -
Page 18: Error Codes
5. Error Codes These are displayed in the LCD display as E ##. The free-piston Stirling engine is not maintaining a working temperature. This could arise from blocked filters, blocked air passages, unusually hot ambient temperatures (for example >45 º C), or a fan failure. Check air passages and clear any blockages for good air circulation. -
Page 19: Troubleshooting
Minimize opening and closing of lid closed too often Inadequate Clean filter and unblock air vents air circulation 12V plug Dirt or corrosion in Clean the socket becomes the DC socket unusually hot Operating Manual: www.stirlingultracold.com ULT25NEU 19 of 28... -
Page 20: Calibration Guide
8. Calibration Guide Calibrating the RTD with an Independent Temperature Indicator The ULT25NEU’s Resistance Temperature Device (RTD) is factory calibrated to display both setpoint and operating temperature from a single internal RTD. In the event that you must recalibrate the unit to match the reading of an independent temperature recording device or stand-alone electronic thermometer, please follow this process. - Page 21 8. Calibration Guide Thermocouple through Access Port & NIST Traceable Temperature Measuring Access Port Plug Device Filter Door Adjustment Tool Calibration Screw visible through filter Operating Manual: www.stirlingultracold.com ULT25NEU 21 of 28...
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Page 22: Specifications
280 watts (4 amps @120VAC, 2 amps @240VAC, 15 amps@ (Current) 12VDC) Electric Supply Rating 15 amp or greater grounded circuit Helium charged free-piston Stirling engine with Cooling Engine continuous modulation Refrigerant R-170 (Ethane), 10-12 grams -86 º C to -20 º C @ 32 º C (90 º F) ambient, uniformity ± 3°C at 80 º... -
Page 23: Freezer Dimensions
©2011 Stirling Ultracold, Global Cooling, Inc . All Rights Reserved. HUMM™ technology is manufactured under one or more of the following patents: U.S. 6,901,845; 7,075,292; and other U.S. and International patents. Stirling Ultracold, Shuttle™ and HUMM™ are trademarks of Global Cooling, Inc. -
Page 24: Warranty
10. Warranty The following Warranty applies to the ULT25NEU manufactured by Stirling Ultracold, a division of Global Cooling, Inc. Due to the nature and size of the ULT25NEU, a product exchange may be preferable to field-level service. In order to maintain maximum uptime and to optimize customer service, Global Cooling, Inc. - Page 25 The warranty period starts TWO MONTHS after the original date of shipment • from Global Cooling, Inc. The ULT25NEU is warranted for a period of ONE YEAR for materials only. • • If a service issue arises, contact the International Distributor from where the ULT25NEU was purchased.
- Page 26 T H I S PAG E I N T E N T I O N A L LY L E F T B L A N K Operating Manual: ULT25 NEU 7.15.19 ULT25NEU-LIT-OM-B 26 of 28...
- Page 27 T H I S PAG E I N T E N T I O N A L LY L E F T B L A N K Operating Manual: ULT25NEU www.stirlingultracold.com 27 of 28...
- Page 28 6000 Poston Road Athens, Ohio 45701, USA 740.274.7900 / 855.274.7900 740.274.7901 www.stirlingultracold.com ©2019 Stirling Ultracold, Global Cooling, Inc . All Rights Reserved. Global Cooling technology is manufactured under U.S. and International patents. Stirling Ultracold is a trademark of Global Cooling, Inc.
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