Table of Contents
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User
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Table of Contents
Summary of Contents for Esco Lexicon
- Page 1 Esco provides many other resources at our website, www.escoglobal.com, to complement this manual and help you enjoy many years of productive and safe use of your Esco products. User Manual Esco Technologies, Inc.
- Page 2 Esco makes no representations or warranties as to the accuracy of the information contained in this manual. In no event shall Esco be held liable for any damages, direct or consequential, arising out of or related to the use of this manual.”...
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Page 3: Table Of Contents
2. Safety Warning 3. Limitation of Liability 4. European Union Directives on WEEE and RoHS Declaration of Conformity Chapter 1 – Product Information 1.1 About Lexicon Ultra-Low Temperature Freezers 1.2 Labels 1.3 Quick View 1.3.1 Front Quick View 1.3.2 Back Quick View Chapter 2 –... - Page 4 Chapter 5 – Accessories Installation 5.1 LCO Backup System 5.2 Chart Recorder Chapter 6 – Troubleshooting Chapter 7 – Engineering Details 7.1 Engineering Drawing 7.2 General Specifications Appendix...
- Page 5 Esco that these parts were defective at the time of being sold, and that all defective parts shall be returned, properly identified with a Return Authorization.
- Page 6 3 years limited. 60 months on Compressor. The warranty period starts two months from the date your equipment is shipped from Esco facility for international distributors. This allows shipping time so the warranty will go into effect at approximately the same time the equipment is delivered to the user.
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Page 7: Products Covered
The disposal and / or emission of substances used in connection with this equipment may be governed by various local regulations. Familiarization and compliance with any such regulations are the sole responsibility of the users. Esco’s liability is limited with respect to user compliance with such regulations. 4. European Union Directive on WEEE and RoHS The European Union has issued two directives: •... - Page 9 Low Voltage : EN 61010-1:2010 : EN 61326-1:2006 Class B More information may be obtained from Esco’s authorized distributors located within the European Union. A list of these parties and their contact information is available on request from Esco _______________________________...
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Page 11: About Lexicon Ultra-Low Temperature Freezers
1.1 About Lexicon™ Ultra-Low Temperature Freezers Esco Lexicon™ ultra-low temperature freezers are designed to store critical biological samples, agents and general non-flammable laboratory materials at a temperature range of -50 C to -86 C. Among many features and characteristics, long term reliability of the freezers to sustain the required cold temperature, low sound level and low energy consumption are priorities. -
Page 12: Quick View
1.3 Quick View 1.3.1 Front Quick View 1. Main Handle 8. Control Panel 2. Vacuum Relief 9. Air Vents / Intakes 3. Inner Door 10. Caster Wheel with Adjustable Foot 4. Embedded Pulls 11. Cabinet Support 5. Inner Doors Magnet 12. -
Page 13: Back Quick View
1.3.2 Back Quick View 1. Main Switch 2. Power Inlet 3. Remote Alarm Contact 4. Power Protection Bracket Ultra-Low Temperature Freezer... - Page 15 – 2.1 General Requirement 2.1.1 Location Requirements Install the unit on a firm and level floor in an indoor environment. Allow at least 150 mm (6”) of open space on all sides from the sides, top and rear. The location should be sufficiently ventilated so the heat from the unit can be removed from the area to prevent any potential overheating condition of the ambient temperature.
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Page 16: Chapter 2 - Installation
2.1.2 Environmental Requirements Indoor use Altitudes of up to 2000 meters (6600’) Up to 90% relative humidity – non-condensing Temperature between 15 C - 32 C (59 F - 90 Note: Recommended operating temperature is 25 C (77 Must be installed in room with sufficient ventilation. The room ventilation should be a technical ventilation that is in accordance with the requirements of ZH 1/119 (Guidelines for laboratories) or some other suited ventilation system with appropriate capacity. -
Page 17: Shelves Installation
2.2.2 Shelves Installation To change the position of the shelves, remove and re-install the pilaster clips (front and back) at desired shelf level. 1. Open main door 2. Open all inner doors 3. Rotate shelf 45 vertically 4. Slide the shelf into the freezer chamber – on top of the pilasters 5. -
Page 18: Omega Brackets Installation
2.2.3 Omega Brackets Installation Omega brackets are used to ensure the required distance from the wall is maintained. Attach the bracket(1) to its place – sync the hole in the bracket(1) to the hole in the unit Screw the M6 bolts into the designated place (the holes on top and below the bracket(1)) Repeat the 2 steps above with the other bracket(1) 2.2.4 Remote Alarm Contacts Connection... -
Page 19: First Run
The unit continues to operate until it reaches the set temperature. Lexicon™ Ultra-Low Temperature freezers have an operating temperature of -50 °C to -86 °C, depending on the ambient temperature. The freezer is shipped from the factory with a temperature set point of -80 °C. Refer to section 3.2 to change temperature setting. -
Page 21: Freezer Control System
3.1 Freezer Control System K1 LED K2 LED UP button START/STOP button DOWN button PROGRAMMING (P) button LED K1, K2 LED K2 lit up when respective relay connected to high/low temperature alarm energized LED K1 lit up when the respective relay connected to 1 stage compressor energized START/STOP Button To start/stop the freezer operation... -
Page 22: Set Temperature & Hysteresis
ESCO ULTs are designed for long term storage. It is recommended that only pre-frozen products be placed in the unit as that will reduce the amount of heat load that must be absorbed by the freezer at one time. -
Page 23: Locking The Main Door
3.4.3 Locking the Main Door Main door can be locked with the standard key set provided. 3.5 Alarm 3.5.1 High/Low Temperature Alarm If ‘Set Point” is changed, the ‘Alarm High’ and ‘Alarm Low’ will also change. To modify the alarms: Display Show Step Action... -
Page 25: Scheduled Maintenance
4.1 Scheduled Maintenance Proper and timely maintenance is crucial for trouble free functioning of any device and your Esco ULTF is no exception to this rule. We strongly recommend that you follow the maintenance schedule suggested hereunder in order to obtain optimal performance from your Esco ULTF. -
Page 26: Door Gasket Cleaning
Turn off the power on the Esco unit, open the outer and inner doors to let the unit warm up. Place some towels or other absorbent material around the freezer to absorb any melted frost that might run out. Once the freezer is thawed, wipe off the condensation with a towel. -
Page 27: Chart Recorder
– 5.1 LCO2/LN2 Backup System The backup system will keep the freezer chamber temperature below the critical level in the event of a power or equipment failure. If power to the freezer fails, or the freezer warms above the user-defined set point, the Backup System injects a controlled amount of liquid CO or N into the chamber to keep the chamber... - Page 29 – Under no circumstances should the unit be disassembled, repaired, or converted by unqualified people. Failure to follow these instructions may cause personal injury and/or loss of property due to malfunctions, electric shocks or fire. Should the unit malfunction, stop the operation, and then pull out the power plug or turn off the power supply at source.
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Page 31: Engineering Drawing
– 7.1 Engineering Drawing PEP Cover 10. Stainless Steel Door Frame Temperature Controller 11. Inner Door hinge Door Handle 12. PEP Main Door (White) 13. Inner Door Main Door (Blue) 14. Embedded Pull Condenser Grille 15. Access Port Chart Recorder Box 16. -
Page 32: General Specifications
7.2 General Specifications LEXICON™ ULTRA-LOW TEMPERATURE FREEZER UUS-668A-1 Temperature Range C to -86 Ambient Temperature Range C to 32 C (59 F to 89 External Dimension (W x D x H) 1010 x 945 x 1980 mm (40.0” x 37.2” x 78.0”) Internal Dimension (W x D X H) 750 x 685 x 1304 mm (30.0”... - Page 33 APPENDIX...
- Page 35 Controller Parameter Description Value . ... . Set point – target value Hysteresis 0.2 … 99.9 . Low set point limit . High set point limit Controller type Switch on delay after power on . Minimum ON time (minimum time the unit is activated) ....
- Page 37 Freezer : _______________________________________________________________ Serial Number : _______________________________________________________________ Person in Charge : _______________________________________________________________ 1. This log record should be used by the operator to record any new agent that has been introduced to the freezer during its operation, problems encountered, etc. 2.
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i need help which means my Lexicon Ult Freezer have alarm 3C would you help me