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NEW BRUNSWICK SCIENTIFIC CO., INC.
BOX 4005 • 44 TALMADGE ROAD • EDISON, NJ 08818-4005
Telephone: 1-732-287-1200 • 1-800-631-5417
Fax: 732-287-4222 • Telex: 4753012 NBSCO
Internet: http://www.nbsc.com • E-mail: bioinfo@nbsc.com
LN
Backup System
2
for Innova
Ultra Low Temperature Freezers
MANUAL NO: M1288-0056
®
& Premium
Revision J
October 29, 2007
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Related Manuals for NEW BRUNSWICK SCIENTIFIC LN2
Summary of Contents for NEW BRUNSWICK SCIENTIFIC LN2
- Page 1 Ultra Low Temperature Freezers MANUAL NO: M1288-0056 Revision J October 29, 2007 NEW BRUNSWICK SCIENTIFIC CO., INC. BOX 4005 • 44 TALMADGE ROAD • EDISON, NJ 08818-4005 Telephone: 1-732-287-1200 • 1-800-631-5417 Fax: 732-287-4222 • Telex: 4753012 NBSCO Internet: http://www.nbsc.com • E-mail: bioinfo@nbsc.com...
- Page 2 New Brunswick Scientific Co., Inc. User’s Guide...
- Page 3 Fax: 49 (0)7022 32486 E-mail: sales@nbsnv-sa.be E-mail: sales@nbsgmbh.de CHINA THE NETHERLANDS New Brunswick Scientific Co., Inc. New Brunswick Scientific BV A903, 904 Yin Hai Building Kerkenbos 1101, 6546 BC Nijmegen No. 250, Cao Xi Road P.O Box 6826, 6503 GH Nijmegen Shanghai 200235, P.R.
- Page 4 HEALTH AND SAFETY AT WORK ACT 1974 (For the United Kingdom) New Brunswick Scientific, as manufacturer and supplier of laboratory equipment, is obliged under the terms of the above act to provide our users with instructions on the safe installation, operation and maintenance of our equipment.
- Page 5 Do not use this equipment in a hazardous atmosphere or with hazardous materials for which the equipment was not designed. New Brunswick Scientific Co., Inc. (NBS) is not responsible for any damage to this equipment that may result from the use of an accessory not manufactured by NBS.
- Page 6 Reproduction, adaptation, or translation without prior written permission from New Brunswick Scientific is prohibited. Disclaimer Notice New Brunswick Scientific Co., Inc. reserves the right to change information in this document without notice. Updates to information in this document reflect our commitment to continuing product development and improvement.
- Page 7 W A R R A N T Y Every Instrument manufactured by the New Brunswick Scientific Co., Inc. is warranted to be free from defects in material and work- manship. This apparatus with the exception of glassware, lamps and electrodes (where supplied), is warranted for 1 year against faulty com-...
- Page 8 D J Minister, Executive Designer New Brunswick Scientific Co., Inc., 44 Talmadge Road, Edison, NJ 08818, USA New Brunswick Scientific (UK) Ltd, 17 Alban Park, St. Albans, Herts. AL4 0JJ UK New Brunswick Scientific BV, Kerkenbos 1101, Nijmegen 6546 BC, NL New Brunswick Scientific Co., Inc.
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Page 9: Table Of Contents
TABLE OF CONTENTS INTRODUCTION..............................1 .............................1 COPE OF ANUAL ........................1 ESCRIPTION OF QUIPMENT ..........................2 RODUCT PECIFICATIONS 1.3.1 Dimensions ............................2 1.3.2 Weight..............................2 1.3.3 Performance ............................2 1.3.4 Gas Consumption ..........................3 1.3.5 Supplies ............................4 1.3.6 Electrical Supply Requirements......................4 1.3.7 Fuses..............................4 1.3.8 Operating Environment .........................4 INSTALLATION ...............................5 ..............................5 NSPECTION... - Page 10 INSPECTION FORM .............................22 ....................22 ACKUP RESSURE YSTEM HECKLIST INDEX................................23 New Brunswick Scientific Co., Inc. User’s Guide...
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Page 11: Introduction
Scope of Manual This manual provides the user with the necessary information for the installation and ® operation of the LN backup system for New Brunswick Scientific’s Innova Premium ranges of Ultra Low Temperature Freezers. Description of Equipment The LN... -
Page 12: Product Specifications
The control unit weighs 5.6 kg / 12.3 lbs. 1.3.3 Performance The LN backup system is capable of maintaining a maximum internal temperature of –80º C in an ambient temperature of +32º C. New Brunswick Scientific Co., Inc. User’s Guide... -
Page 13: Gas Consumption
The LN backup unit can maintain the internal temperature of a 410-liter (14.5 cu ft) or smaller upright freezer at -85 C maximum in an ambient temperature of C, if it is switched on when the internal temperature of the freezer is already C or lower. -
Page 14: Ln Supplies
• Maximum relative humidity 80% for temperature up to 31 C, decreasing linearly to 50% relative humidity at 40 • Power supply voltage fluctuations not to exceed ± 10% of nominal voltage • Installation category II • Pollution degree 2 New Brunswick Scientific Co., Inc. User’s Guide... -
Page 15: Installation
Check that all the items listed on the packing list are present. Inspect all items for damage that may have occurred in shipping. Report any damage and/or deficiencies within 14 days to your nearest New Brunswick Scientific Company (using Customer Satisfaction Form 6300), or to the agent who supplied the equipment. Also report damage to the carriers within their specified time limit. - Page 16 ¼-inch or ~6mm metal rod or tube through the insulation to create a passage for the probe (be sure to keep the rod or tube perpendicular to the cabinet wall when you insert it through the insulation). New Brunswick Scientific Co., Inc. User’s Guide...
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Page 17: Installing The Insulated Transfer Hose
3. After creating the new hole, push the probe through the hole and pull enough probe cable through the hole to reach the freezer temperature probe, located approximately halfway down the front right corner, inside the freezer cabinet. 4. Remove the freezer probe cover inside the freezer cabinet and position the two sensors side by side. -
Page 18: Installing The Ln Supply
½ and ⅜ inch NPT, to adapt the transfer line to the supplied Dewar if necessary. Before installation, verify, with your local gas supply company, the correct adaptor to use with the supplied Dewar. New Brunswick Scientific Co., Inc. User’s Guide... -
Page 19: Testing For Gas Leaks
2.2.5 Testing for Gas Leaks 1. Test the assembled joints for leaks: be sure all fittings are tight before continuing. 2. Turn on the LN supply and test each joint (including the LN Dewar connection) for leaks by using a liquid soap solution. Bubbling or foaming will identify a leak. - Page 20 4. If the gap is greater than 3 mm (0.12 inch) or less than 1 mm (0.04 inch), loosen the screws and adjust the magnet in the slots provided until the gap is correct, then retighten the screws. New Brunswick Scientific Co., Inc. User’s Guide...
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Page 21: Installing The Control Unit
2.2.7 Installing the Control Unit Place the control unit (a) on the top of the Upright freezer, or (b) on the compressor compartment of the Chest freezer. Plug the cables from the LN injector valve, temperature probe and magnetic safety switch into the appropriate sockets on the rear of the control unit, as identified in Figure 2 below. - Page 22 The control unit is capable of operating within a wide voltage range: 100- 240VAC, 50/60Hz. Attach the appropriate power cord for your needs by POWER INPUT connecting the cord to its receptacle ( ) on the back panel. New Brunswick Scientific Co., Inc. User’s Guide...
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Page 23: Operation
Getting Started Plug the power cord into an appropriate power supply. The green Power On light will illuminate. Turn the System On switch to the On position. The control unit will beep. If the control unit has not been switched on for some time, the alarm may sound to indicate that the battery is low. -
Page 24: Testing Injector Valve & Led Operation
Temperature Warning and Valve Open lights should be off and the power light on. Upon successful completion of all of the above tests, your LN backup unit has now been installed and set-up, and is operating normally. New Brunswick Scientific Co., Inc. User’s Guide... -
Page 25: Battery Backup
NOTES: (1) When you install the backup system, note the weight or liquid level of the LN Dewar and the date of installation. At the intervals recommended by the gas supplier, check the weight or liquid level of the Dewar. LN Dewars can lose gas over time (through the pressure relief valve), even when they are not in use;... - Page 26 Pin 1 (E) Closed Circuit Closed Circuit Pin 2 (L) OPEN Pin 3 (N) OPEN Closed Circuit The provided plug can be connected to either a central monitoring system or a remote alarm. New Brunswick Scientific Co., Inc. User’s Guide...
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Page 27: Maintenance
Supplies We recommend that a record sheet be placed on or near the freezer, and that a routine check of the liquid nitrogen remaining in the Dewar be allocated to a staff member. Record the measurements on the record sheet. All gas supplies can leak away with time. The majority of LN backup system failures are not equipment failures;... -
Page 28: Control Unit & Electrical Connections
No returned material or equipment will be accepted unless it has a Return Authorization Number issued by the service department at the location to which the material or equipment is being returned. This Return Authorization Number must appear on the outside of all cartons and/or packages. New Brunswick Scientific Co., Inc. User’s Guide... - Page 29 For return authorization, call your NBS service department. When you do return any material or equipment, be sure to quote both the model/part number and its serial number, which you will find labeled on the bottom of the control unit. M1288-0056 Backup Units for Innova &...
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Page 30: Spare Parts
Power Cord, 120V, 60 Hz, NEMA 5-15P P0625-0191 Power Cord, 208-220V, 60 Hz, NEMA 6-15P (non-locking) P0625-0560 Requires Door Switch Magnet K0400-0631 to operate. Requires Magnetic Door Switch Sensor Assembly K0400-0630 to operate. New Brunswick Scientific Co., Inc. User’s Guide... -
Page 31: Schematics
Circuit Diagram/Schematic M1288-0056 Backup Units for Innova & Premium Freezers User’s Guide... - Page 32 Inspect transfer line connection to the Dewar. There should be no damage or corrosion. Inspect LN solenoid and transfer line connection. There should be no damage or corrosion. New Brunswick Scientific Co., Inc. User’s Guide...
- Page 33 Gas Supply Check, 17 Alarm Monitoring Socket & Plug, 16 Alarm Socket, 15 Health & Safety Act 1974, iv Alarm System Monitoring, 15 Altitude Limit, 4 Ambient Temperature Range, 4 Injector Test, 13 Inspection, 5 Inspection Form, 22 Battery, 13, 15, 18 International Offices Battery Low Light, 15 List of, iii...
- Page 34 Table of Contents, ix Temperature Range, 1 Temperature Warning Light, 13, 14 Transfer Lines, 17 Valve Open Light, 14 Valve Test Button, 13 Voltage, 4 WARNING Symbol for, vi Warranty, vii Weight, 2 New Brunswick Scientific Co., Inc. User’s Guide...