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LTX108 • 5/12/09

Explosion-Proof, Flammable Materials

Storage & General Purpose Laboratory

Refrigerators,

Refrigerator-Freezers and Freezers

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Summary of Contents for LTX108

Page 1: ...LTX108 5 12 09 Explosion Proof Flammable Materials Storage General Purpose Laboratory Refrigerators Refrigerator Freezers and Freezers ...

Page 2: ...tions 6 Environmental Operating Conditions 6 Unpacking and Installation 7 Shipping Carton 7 Location 7 Clearance 7 Leveling 7 Be Advised 7 Electrical 8 Explosion Proof Installation 9 Operation 12 Start Up Procedure 12 Restart Procedure 12 Manual Defrosting 12 How to Save Energy 13 Safety Tips 14 Troubleshooting 15 Maintenance 16 Cleaning of Units Before Beginning 16 Cleaning Interior Exterior Door...

Page 3: ...NTRAP MENT BEFORE YOU THROW AWAY YOUR OLD REFRIGERATOR OR FREEZER TAKE OFF DOORS LEAVE THE SHELVES IN THE PLACE SO THAT CHILDREN MAY NOT EASILY CLIMB INSIDE 3 Safety Information Thank you for selecting Thermo Scientific for your equip ment needs These instructions contain important operat ing and safety information The user must carefully read and understand these instructions before using the uni...

Page 4: ...ddition the wires inside the conduit must be sealed Flammable Materials Storage Refrigerators and Freezers These Thermo Scientific units will prevent potentially destructive explosions in any facility by meeting the stan dards established by Underwriters Laboratory Inc OSHA and National Fire Protection Association for stor age of hazardous materials They also are designed to comply with National F...

Page 5: ...s and Refrigerator Freezers Features can include white textured steel cabinet seam less ABS plastic liner magnetic door latch s polyurethane insulation rust proof shelving Depending upon the model required additional features are available 5 OVERVIEW ...

Page 6: ...LATION CATEGORY II ALTITUDE 2000 Meters MSL Mean Sea Level HUMIDITY 80 maximum non condensing ELECTRICAL SUPPLY 120VAC or 240VAC VOLTAGE TOLERANCE 10 of normal rated line TEMPERATURE 15ºC to 40ºC PRODUCT USAGE This product is intended for use indoors only Refer to IEC 664 1 6 ...

Page 7: ...ommended that even more space be left at the back of the unit in case maintenance is required Leveling This unit must be level Rotate the leveling screws locat ed under the front corners of the unit until the unit is level If the floor is seriously out of level you may need to shim the corners with thin sheets of metal Unpacking and Installation Warning Unless unit is specifically designed for com...

Page 8: ...ngs from the 3 prong power cord sup plied with all units Caution DO NOT USE electrical extension cords that may result in voltage loss and possible hazardous operation Warning Explosion proof units do not come with line cords They require rigid con duit to be run directly in order to seal off the fitting on thermostat housing This should be done by a licensed electrician and follow all local and e...

Page 9: ...rk box and a resulting serious explosion After the unit wires have been pulled through the horizontal conduit the following procedure is required Turn power off at the circuit breaker before proceed ing Place a small amount of sealing compound gran ules enclosed into a clean mixing vessel Add small amounts of water while stirring until a thick paste is formed then carefully continue adding smaller...

Page 10: ... blocking this end of the horizontal conduit INSTALLATION Left Hub Right Hub Wiring Figure 2 Horizontal Conduit Cutaway Insert fiber rope material down into horizontal conduit opening Pressing down firmly work the material into the right hub and most importantly being sure the material COMPLETELY SURROUNDS THE WIRING from the top to the bottom completely blocking this end of the horizontal conduit...

Page 11: ...ubbles Immediately wipe off any spilled sealing compound Screw conduit domed cover back onto conduit opening NOTE INITIAL SETUP OF SEALING COMPOUND WILL OCCUR IN APPROXIMATELY 30 MINUTES HOW EVER THE SEALING COMPOUND REQUIRES A MINIMUM OF 8 HOURS ABOVE 32ºF TO DEVELOP SUFFICIENT STRENGTH TO WITHSTAND EXPLOSIONS Explosion Proof Installation Continued ...

Page 12: ... temperature If the room thermostat is turned below 60ºF at night con sider setting the temperature control one step colder It should be left at this setting for the nighttime period return temperature control to original setting when the room ther mostat is returned to its normal setting Restart Procedure If unit is unplugged or turned off allow 3 minutes before restarting or plugging it back in ...

Page 13: ...warm water inside the chamber Wipe out the interior Replace contents Reconnect power cord to outlet and set temper ature control to desired operating temperature How to Save Energy Be sure to follow location suggestions as men tioned in the previous INSTALLATION section Wipe moisture from glassware or other materials before placing them in a unit Don t overcrowd the unit Too many items can increas...

Page 14: ...peration do not touch the cold surfaces particularly when hands are damp Skin may adhere to the extremely cold surfaces Never disconnect your unit by pulling on the power cord Always grip the plug securely and pull straight out from the outlet Do not use a power cord that shows cracks or abrasions Have a qualified electrician repair or replace damaged cords immediately 14 OPERATION ...

Page 15: ... u s e s u a c s i h T n r o w f i t e k s a g e h t e c a l p e r r o t a e s e R s e r u t a r e p m e t d l o c o t t i n u e s u a c y a m s i h t d l o c o o t t e s e r u t a r e p m e t e v a h u o y f I e h t s I e r u t a r e p m e t g n i n n u r m u m i t p o k c e h C y l s u o u n i t n o c n u r o t e s o l c d e t a c o l s t i n u e h t r o F º 9 0 1 C º 3 4 r e v o r i a t n e i b...

Page 16: ...etergents or cleansers containing petroleum products on the surfaces of units Cleaning Interior Exterior Door Gaskets A solution of mild soap and water can be used for clean ing the interior exterior and door gaskets with a soft clean cloth Rinse with clean water and dry thoroughly before reconnecting and turning on the unit Condenser With forced fan vented units remove the screws that mount the g...

Page 17: ...on and pricing please call the Thermo Scientific Customer Relations Department at 1 800 446 6060 and have the unit s model serial and code numbers available This information is located on data plates on the rear of the unit Replacement Parts ...

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Page 20: ... misuse including use inconsistent with written operating instructions for the product mishandling contamination overheating modification or alteration of the product by any customer or third party or iii use of replacement parts that are obtained from a party who is not an authorized dealer of Thermo Scientific prod ucts Heating elements because of their susceptibility to overheating and contamin...

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