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Summary of Contents for Thermo Scientific DLT
- Page 1 Installation and Operation Manual ® Thermo Scientific Harris DLT, SLT, and ELT Ultra-Low Temperature Freezers...
- Page 2 © 2007 Thermo Fisher Scientific. All rights reserved. “Suva ® ” is a registered trademark of DuPont. ® Armaflex is a registered trademark of Armacell International GmBH. All other trademarks are the property of Thermo Fisher Scientific Inc. and its subsidiaries. 2007 Thermo Fisher Scientific.
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Page 3: Table Of Contents
5.2.4 Alarm Reset & Status Lights (Harris DLT and SLT Series Freezers) ......5 5.2.5... - Page 4 Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation 7 Operation (Harris ELT Freezers) ............9 7.1 Control Panel Features...
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Page 5: Safety Considerations
Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation 1 Safety Considerations 2.1 Initial Operation and Loading After reading and completing the Safety Considerations, Pre-Installation, Installation, and Operation sections of this WARNING! Do not modify or change system manual, turn the Key Switch to the POWER ON position and components. -
Page 6: Installation
The Voltage Safeguard helps protect electrical equipment from operate within the design limits noted on the dataplate. damage by boosting low voltage automatically. On Harris DLT and SLT models a panel light flashes to indicate when deficient 4.1 Location line voltage is being corrected (see Figure 3 on page 4). -
Page 7: Compressor Mounts
“hot surface” warning label. The port can get hot immediately after it is activated. Spring Figure 2. Compressor Mount Springs Some of the Harris DLT freezers require loosening the Note: compressor bolts. This is not necessary for all models. -
Page 8: Operation (Harris Dlt And Slt Series Freezers)
ALARM RESET VOLTAGE LOW SET POINT Figure 3. Harris DLT and SLT Control Panel with Optional Backup System Before the initial start up, take some time to become familiar 9. Alarm Battery Low Indicator. This indicator lights when the with the controls on your freezer. Figure 3 illustrates the Harris charge on the alarm battery is low. -
Page 9: Start Up
The temperature display shows the Warm 5.2.1 Turning the Power On Alarm value. To start up the Harris DLT and SLT Series Freezers, complete the 3. Press and hold to adjust the Warm Alarm Set Point. -
Page 10: Alarm Test (Harris Dlt And Slt Series Freezers)
Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation Harris ELT Series units and DLT chest models use Note: 5.2.5 Alarm Test (Harris DLT and SLT Freezers) free-standing, field installed Backup Systems. To test the cold and warm alarms, complete the following steps: 6.1 CO... -
Page 11: Operation
Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation 6.3 Operation To activate the optional backup system, complete the following Inlet Conn. Copper Tubing steps: Factory Supplied 1. Push the Power Switch to the ON position. The digital 0.25" O.D. - Page 12 Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation Table 1. Backup System Flow Rates Lbs/hr @ 75°F Lbs/hr @ 75°F Ambient Temperature Ambient Temperature (Flow Rate) (Flow Rate) Center Air Temperature -50°C -60°C -70°C Center Air Temperature -60°C -70°C -80°C...
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Page 13: Turning The Power On
Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation 7 Operation (ELT Freezers) 7.1 Control Panel Features Before the initial start up, take some time to become familiar with the controls on your freezer. Figure 6 illustrates the Harris ELT Series Chest and Upright Freezer control panel. -
Page 14: Maintenance And Troubleshooting
Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation 8 Maintenance and Troubleshooting 8.3 Defrosting the Freezer Defrost the freezer once or year or whenever the ice buildup exceeds 3/8”. WARNING! Unauthorized repair of your freezer will invalidate your warranty. Contact Technical Service at To defrost, complete the following steps: 1-800-438-4851 for additional information. -
Page 15: Optional Equipment
Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation 9 Optional Equipment 9.1.2 Liquid CO This system uses portable and locally refillable bottles that are The following equipment is available for some freezer models not vented and have a virtually unlimited standby life unless they either as factory-installed or as field-installed options. - Page 16 Thermo Scientific Harris Ultra-Low Temperature Freezers Installation and Operation Inventory Component Description, Ultra-Low Temperature Freezers Catalog Catalog Description Description For Upright Models For All Models Adjustable single stack, holds (12) 2 in. or (9) 3 in. boxes, Fiberboard boxes and grid dividers are packaged in lots of one dozen for 13.4 cu.ft upright models.
- Page 17 6183-5 Backup, built-in, panel mounted, factory installed. Temperature recorder, 6 in. circular chart, seven-day drive, Harris DLT and SLT freezers only. Low battery indicator free-standing, for all freezers -40°C to -90°C. lights when battery needs replacing. Empty cylinder Customer installed.
- Page 18 Stainless steel interior, 13.7 cu.ft chest. 6124 Stainless steel interior, 17.1 cu.ft chest. 6125 For use with Harris DLT and SLT models only. Monitors freezer set point, high and low limit set points and Stainless steel interior, 20.5 cu.ft chest. 6126 power supply.
- Page 19 Ulteriori informazioni sulla conformità di Thermo Fisher Scientific con queste Direttive, l’elenco delle ditte di riciclaggio nel Vostro paese e informazioni sui prodotti Thermo Scientific che possono essere utili alla rilevazione di sostanze soggette alla Direttiva RoHS sono disponibili sul sito www.thermo.com/ Conformité...
- Page 20 Important For your future reference and when contacting the factory, please have the following information readily available: Model Number: Serial Number: Date Purchased: The above information can be found on the dataplate attached to the equipment. If available, please provide the date purchased, the source of purchase (manufacturer or specific agent/rep organization), and purchase order number.
- Page 21 Thermo Fisher Scientific Inc. 275 Aiken Road Asheville, NC 28804 United States www.thermofisher.com 38257H01 Rev. J...
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