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1. HUSSMANN W c YL Jus v LISTED LBN Low lemperature Remote and Self Contained Ice Cream and Frozen Food Horizontal Merchandiser Installation amp Service Manual o N cos 1 P N 0514392_C xote October 2011 ev v IMI P N 0514392 C iii ATTENTION Merchandiser must operate for 24 hours before loading product Regularly check merchandiser temperatures Do not break the cold chain Keep products in cooler before loading into merchandiser These merchandisers are designed for pre frozen products only IMPORTANT KEEP IN STORE FOR FUTURE REFERENCE Quality that sets industry standards Hi i EE m n n n 12999 St Charles Rock Road Bridgeton MO 63044 2483 U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 www hussmann com 2011 Hussmann Corporation TABLE OF CONTENTS ANSI DEFINITIONS INSTALLATION Certification pasa Hussmann Product Control Shipping Damage Location iris carenza on oe Bh CNE A Self Contained Location Model Description Unloading Exterior Loading Shipping Skid Merchandiser Leveling Compressor Optional Legs serial Plate Location Refrigeration Unit Access Drain Irap M Sealing Merchandiser to Floor NOTES ELECTRICAL REFRIGERATION Merchandiser Electrical Data Field Wiring 0 ec cee Electrical Connections Power Switch Electrical Box Electrical Outlet Refrigeration Self Contained Refrigera
2. Bulb replacement may be necessary Check voltage New bulbs tend to flicker until used Novelty Basket For the storage and display of novelty ice cream items the novelty basket is ideal The basket 1s epoxy coated white and it is 10 in x 12 in x 6 2 inches high Basket dividers are also available Product Shelf Kit The interior of the LBN series a raised step over the condensing unit compartment The product shelf kit 1s a false bottom of the cabinet level with the raised step Stainless Steel Top Like the countertops the stainless steel top replaces the standard metal countertop for those who need a highly durable working surface Superstructure with Lighted Canopy The cabinet can be provided with a superstructure which has two shelves and a lighted canopy that attaches to the back of the cabinet The super structure allows for the storage of dry goods without the need for additional floor space Superstructure with Lighted Canopy The superstructure can also be provided without the lighted canopy It 1s still supplied with two shelves LBN Horizontal Merchandisers 5 8 SERVICE COMPRESSOR REPLACEMENT PROCEDURE Replacement compressors will not be shipped from the Hussmann factory They may be obtained from your nearest Copeland wholesaler Your wholesaler will replace free of charge any compressor found to be defective within 12 months of installation not to exceed 20 months from
3. a Light Switch ol Mester O E aaa SS Pr 3k LLL il Coil Heater EE Light Fixture o Nose eater ex a BK DO S CR Left End Heater i y Y po 26 R R HH 4 Front Glass 20 Heater Right End Heaters O O Anti Condensate E DO O Il Heater Thermostat 0 O T RT i maj Electrical Box J Temperature Control LO JR 9 Condenser Compresso 115 V 60HZ WARNING All components must have mechanical ground and the merchandiser must be grounded CIRCLED NUMBERS Parts List ITEM NUMBERS R Red Y Yellow G Green BL Blue BK Black W White B Brown 120V Power 120V NEUTRAL FieLD Grounp mm Case GROUND THESE ARE MARKER COLORS WIRES MAY VARY P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com APPENDIX A WIRING DIAGRAMS A 9 LBN 7 LBN 8 BK 9 BK BK LAMP Fw j A E Defrost Thermostat BK BK BL Q BK HL pattast MER dd BALLAST W B Light Switch INTE Coil Heater i appreso XS LE pg ped Light Fixture R E Left End Heater G R Y Leti 3 Front Glass L H Hight End Heate y n Heater Anti Condensate Heater Thermostat Electrical Box J Tem Sra ure ch 9 Condenser BK al JU Fan Compresso WARNING All components must have mechanical ground and the merchandiser must
4. Cut the steel band which holds down the compressor during shipment The compressor should now float freely on the mounting springs DO NOT LOOSEN NUTS c Replace electrical box cover and access panel d Turn on the electrical power power switch and start the merchandiser The merchan diser must pull down in temperature Allow merchandiser 24 hours to operate before loading product NOTE Failure to cut compressor shipment band may result 1n excessive noise or system damage which is not covered by warranty CONTROLS and ADJUSTMENTS Defrost Frequency per day Failsafe Type of Defrost Temp Termination Product Application Time Minutes LBN 4 6 7 8 Remote and Self Contained 1 Every Electric 48 Hours Low Temp Ice Cream Frozen Food LBN 10 Remote and Self Contained Low Temp Electric Ice Cream Frozen Food Defrosts are time initiated and temperature terminated for self contained and remote The defrost setting 1s factory set as shown above 1 The T stat controller controls refrigeration temperature This 1s factory installed in the control panel HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A LBN Horizontal Merchandisers 3 2 START UP OPERATION LOAD LIMITS THERMOMETER Each merchandiser has a load limit decal Shelf The cabinet has a thermometer located on the life of perishables will be short if load limit is left hand
5. contact your SQ CI Hussmann representative EX ee S Please include the model and 6 Cy serial number of the product W NC AS AS DR CI Hussmann Corporation Corporate Headquarters Bridgeton Missouri U S A 63044 2483 01 July 2005 Ne x SA Hussmann Corporation Ingersoll Rand Climate Solutions 12999 St Charles Rock Road Bridgeton MO 63044 www hussmann com
6. merchandiser is positioned for installation HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A EXTERIOR LOADING Do NOT walk on top of merchandisers or damage to the merchandisers and serious personal injury could occur MERCHANDISERS ARE NOT STRUCTURALLY DESIGNED TO SUPPORT EXTERNAL LOADING such as the weight of a person Do not place heavy objects on the merchandiser SHIPPING SKID Each merchandiser is shipped on a skid to protect the merchandiser s base and to make positioning the case easier Do not remove the shipping skid until the merchandiser is near its final location The skid provides protection for both the merchandiser and the floor Remove the skid by raising one end of the merchandiser approximately 6 inches Block the merchandiser securely and remove the two skid bolts from the raised end Replace the bolts with provided leg levelers Repeat this procedure at opposing end Once the leg levelers are secured in place the merchandiser may be slid off the skid and placed in its final location DO NOT TILT MERCHANDISER ON ITS SIDE OR END WHEN REMOVING SKID Once the skid 1s removed the merchandiser must be lifted NOT PUSHED to reposition Check floor where merchandisers are to be set to see if it is a level area Determine the highest part of the floor LBN Horizontal Merchandisers 1 4 INSTALLATION MERCHANDISER LEVELING BE SURE TO POSITION MERCHANDISERS PROPERLY Level the
7. with a 40 minute failsafe The timer must be adjusted to the proper time of day when the cabinet 1s started The timer 1s adjusted by turning the knurled adjustment knob in the center of the dial face counter clockwise until the time indicator corresponds with the correct time of day The defrost pins should be checked for tightness The timer will require re adjusting after a power failure or the cabinet supply is turned off for extended periods of time If an addi tional defrost 1s required due to ambient or cabinet usage conditions do not start a defrost during the middle of the day Put any additional defrosts during the night or at a time when the cabinet has the lowest usage Defrost 1s time initiated and temperature terminated The timer has a failsafe if the thermostat fails The failsafe is set at 40 minutes and will allow defrost to terminate on time Allow merchandiser 24 hours to operate before loading product Always load with pre frozen product N WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area P N 0514392 C CRANKCASE PRESSURE REGULATOR The LBN series employ a crankcase pressure regulator in the suction line and 1s considered part of the heat exchanger The CPR is set to 10 psig The purpose of the value is to main tain a low suction pressure on start up so that the compressor will start properly On start up the valve will hold the suction pressure
8. 3 Apply vinyl or car wax and polish surface for a smooth glossy finish PRECAUTION CLEANING PRECAUTIONS When Cleaning e Do not use high pressure water hoses e Do not introduce water faster than waste outlet can drain e NEVER INTRODUCE WATER ON SELF CONTAINED UNIT WITH AN EVAPORATION PAN e NEVER USE A CLEANING OR SANITIZING SOLUTION THAT HAS OIL BASE these will dissolve the butyl sealants or an AMMONIA BASE this will corrode the copper components of the merchandiser e TO PRESERVE THE ATTRACTIVE FINISH e Use a water and a mild detergent for the exterior only e Do NOT use a chlorinated cleaner on any surface e Do NOT use abrasives or steel wool scouring pads these will mar the finish P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C 5 1 SERVICE DEFROST THERMOSTAT REPLACEMENT The defrost thermostat 1s located on its mounting plate at the right end of the evaporator coil attached to the air scoop The air scoop is a right angle piece of metal running in front of the evaporator behind the nose screen The thermostat 1s a bi metal thermostat that 1s tied in series with the defrost time clock solenoid to end defrost when the temperature has been satisfied 85 F To Replace Defrost Thermostat 1 If it 1s determined that the defrost thermostat needs to be replaced disconnect electrical power to the merchandiser 2 Remove the nose sc
9. CO 25S040 Condenser LBN 4 LBN 6 LBN 8 MO 4410827 Condenser Fan Motor TP 4916574 Lids Assembly LBN 7 MO 4410274 Condenser Fan Blade TP 4915676 Lids Assembly RC 4671479 Capillary Tube Assembly LBN 10 FI 4611347 Filter Drier LAMPS AND BALLASTS BA 44808 66 Ballast LBN 4 6 BA 4480870 Ballast LBN 7 8 BA 4483076 Ballast 35W LBN 10 BA 3383077 Ballast 28W LBN 10 Fluorescent Lamp Replace with like fixtures SW 4440541 Light Switch LTH all models HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A LBN Horizontal Merchandisers A 4 APPENDIX A TECHNICAL DATA LBN REFRIGERATION OUTLET LBN 8 Shown MODEL L LBN 4 LBN 4R 48 1 2 LBN 6 LBN 6R 72 LBN 7 LBN 7H 84 1 4 LBN 8 LBN 8R 95 5 8 LBN 10 LBN 10R 118 7 8 P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com APPENDIX A TECHNICAL DATA REFRIGERATION DATA LBN 4 LBN 6 LBN 7 LBN 8 LBN 10 Thermostat Setting CIJCO F All Models 2 00 to 3 00 positions 4 F 12 F Compressor hp LBN 4 LBN 6 1 2 hp LBN 7 3 4 hp LBN 8 LBN 10 Lhp Condensing Unit Capacity LBN 4 LBN 6 3330 LBN 7 3600 LBN 8 LBN 10 5400 at 25 F evaporator and 110 F condenser temperature Btu hr at standard ASHRAE LBP rating conditions Note This data 1s based on store temperature and humidity that does not exceed 75 F and 55 R H unless otherwise stated Schedule defrost at
10. Heater Limit HE 19S626 Defrost Heater Thermostat HE 4850924 Nose Heater CT 4482440 Anti Sweat Heaters Limit Thermostat GL 4990291 Front Glass Pack with Heater LBN 4 HE 4850853 Defrost Heater HE 4850944 Nose Heater GL 4990294 Front Glass Pack with LBN Horizontal Merchandisers A 2 APPENDIX A TECHNICAL DATA Item Part Description LBN 4 LBN 6 LBN 7 LBN 8 LBN 10 REFRIGERATION LBN 4 CU 4200694 CO 4671497 MO 4410274 FB 4780788 PC 4613912 FI 4613665 LBN 6 CU 8420115 CO4671497 MO 4410274 FB 4780788 PC 4613912 FI 4613665 P N 0514392 C Compressor Condenser Condenser Fan Motor Condenser Fan Blade Capillary Tube Assembly Filter Drier Compressor Condenser Condenser Fan Motor Condenser Fan Blade Capillary Tube Assembly Filter Drier Item Part LBN 7 CU 028444 CO 4671192 MO 4410274 FB 4780788 RC 4671066 FI 4611347 LBN 8 CU 028444 CO 4671192 MO 4410274 FB 4780788 RC 4671066 FI 4611347 Description Compressor Condenser Condenser Fan Motor Condenser Fan Blade Capillary Tube Assembly Filter Drier Compressor Condenser Condenser Fan Motor Condenser Fan Blade Capillary Tube Assembly Filter Drier U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com APPENDIX A TECHNICAL DATA A 3 Item Part Description Item Part Description LBN 10 Lips ASSEMBLY CU 8420119 Compressor TP 4916574 Lids Assembly
11. Lights won t start Check to see if bulbs are inserted properly in sockets Check voltage Check voltage Ballast hums Replace ballast P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0515275 C PROBLEM Lights flicker LBN ACCESSORIES AND OPTIONS The following 1s a description of the various accessories available for the LBN Bag Rack A big rack can be provided to store various size checkout bags The rack attaches to the back of the cabinet Caster Kit If the cabinet needs to be moved quite often or for additional health code regulations the caster kit raises the cabinet approximately 4 2 inches The wheel of the caster 1s 3 inches Counter Top The metal countertop is stan dard and a 16 in and 20 1n wooden counter top can be provided The 16 in wooden coun tertop mounts flush with the back of the cabi net Dial Thermometer The cabinet can be pro vided with a two inch dial thermometer rather than the standard pencil type thermometer THIS MUST BE FACTORY INSTALLED It is located in the left end of the upper stainless steel reflector above the light fixture Lid Lock Kit For product security a lid lock kit cab be provided Each kit secures two lids HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 5 7 SOLUTION Allow lamps to warm up Check lamp sleeves for cracks Check sockets for moisture and proper contact
12. air flows through the front condensing unit compartment LBN 10 24 in RE SN o AI Air Ar l Sw Intake Exhaust E SS Maintain 24 in Clearance at Front of Merchandiser Zero Clearance 2 in Clearance around Sides at Rear of Merchandiser U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C MODEL DESCRIPTION The LBN series are low temperature self contained cabinets designed for pre packaged ice cream ice cream novelties and frozen food at below freezing temperatures Design features include non heated glass lids foamed in place non CFC insulation interior mirrors reflectors front air discharge condensing unit except LBN 10 and a balanced refrigeration system for energy saving performance UNLOADING Unloading from Trailer Use a Lever Bar also known as a Mule Johnson Bar J bar Lever Dolly or Pry Lever Move the merchandiser as close as possible to its permanent location and remove all packaging Check for damage before discarding packaging Remove all separately packed accessories such as kits and shelves N CAUTION Do not walk or put heavy objects on case Improper handling may cause damage to the merchandiser when unloading To avoid damage 1 Do not drag the merchandiser out of the trailer Use a Johnson bar mule 2 Use a forklift or dolly to remove the merchandiser from the trailer N CAUTION Do NOT remove shipping crate until the
13. at the desired setting until the suction pressure has dropped below the setting then the valve will open If it becomes necessary to check or reset the setting the cabinet must be warm such as after a defrost cycle or from an initial warm cabinet condition Put a suction compound gauge on the com pressor suction valve Start the compressor If the pressure needs to be reduced turn the adjustment screw clockwise to raise the pres sure Do not set the valve based on the serial plate amperage rating because the pressure setting will be too high and the compressor will not Start properly N WARNING LOCK OUT TAG OUT To avoid serious injury or death from electrical shock always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component This includes but is not limited to such items as doors lights fans heaters and thermostats U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C START UP OPERATION START UP Follow the electromechanical controls start up procedures as detailed 1n Section 2 of this manual Each self contained merchandiser has its own evaporator coil LBN models have capillary tubes a Check the interior cabinet thoroughly for b loose nuts bolts and electrical connections Inspect the refrigeration lines for visible damage or chafing T ATTENTION INSTALLER COMPRESSOR
14. damage to the unit The cabinet should be supplied with its OWN service WARNING Merchandiser must be grounded Do not remove the power supply cord ground HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A POWER SWITCH The power switch 1s located at the electrical box that 1s behind the front louvered access panel A slot in one of the louvers allows access to the switch The switch will shut off all power to the cabinet on the LBN 4 6 7 and 8 The power switch will shut off the 208 230V circuit on the LBN 10 1 800 922 1919 01 800 522 1900 i x ag x ES sd d 4 ind other information visit T www hussmann com i select Worldwide L atior ELECTRICAL BOX The electrical box contains the defrost time clock terminal boards and power switch The box is capable of sliding out for servicing convenience Access is gained by removing the cover on the side of the box above See the diagram below concerning a 3 wire system Cabinet Wiring y x Supply Wiring 115 V a N B 115V N N di P d 230V p Y 230 V d SE Re 7 Color will vary with electrical installer LBN Horizontal Merchandisers 2 2 ELECTRICAL REFRIGERATION ELECTRICAL OUTLET Before the merchandiser is connected to any wall circuit use a voltmeter to check that the outlet is at 100 of the rated voltage The wall circuit must be dedicated for the merchandiser Failure to do so voids the warran
15. end of the nose screen that is just violated below the upper mirror reflector and light fix ture The thermometer is a pencil type and reads from 40 F to 80 F on 2 increments LOAD LIMIT To replace remove the two screws and install the replacement AT NO TIME SHOULD MERCHANDISERS BE N W A R N N G STOCKED BEYOND THE LOAD LIMITS INDICATED Product will be degraded and may spoll if DO NOT BLOCK AIR GRILLE allowed to sit in a non refrigerated area STOCKING Product should NOT be placed inside the merchandisers until merchandisers are at proper operating temperature Allow merchandiser 24 hours to operate before loading product Proper rotation of product during stocking 1s Eoy Vo BB necessary to prevent product loss Always bring the oldest product to the front and set the newest to the back AIR DISCHARGE FLUES MUST REMAIN OPEN AND FREE OF OBSTRUCTION AT ALL TIMES to provide Electrical Condensing proper refrigeration and air curtain perfor Box Sn mance Do not allow product packages signs etc to block the grille Do not use non approved shelving baskets display racks or any accessory that could hamper air curtain performance Do not load merchandiser with product above load limit Do not allow product to be placed outside of the designated load limits in the illustration at right P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C
16. maintain certification Near the serial plate each case carries a label identifying the type of application for which the case was certified ANSI NSF 7 Type I Display Refrigerator Freezer Intended for 75 F 55 RH Ambient Application ANSI NSF 7 Type II Display Refrigerator Freezer Intended for 80 F 55 RH Ambient Application ANSI NSF 7 Display Refrigerator Intended for Bulk Produce HUSSMANN PRODUCT CONTROL The serial number and shipping date of all equipment is recorded in Hussmanns files for warranty and replacement part purposes All correspondence pertaining to warranty or parts ordering must include the serial number of each piece of equipment involved This 1s to ensure the customer 1s provided with the correct parts SHIPPING DAMAGE All equipment should be thoroughly examined for shipping damage before and during unloading This equipment has been carefully inspected at our factory Any claim for loss or damage must be made to the carrier The car rier will provide any necessary inspection reports and or claim forms HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Apparent Loss or Damage If there is an obvious loss or damage it must be noted on the freight bill or express receipt and signed by the carrier s agent otherwise carrier may refuse claim Concealed Loss or Damage When loss or damage is not apparent until after equipment is uncrated retain all packing materials and submit
17. 0 e www hussmann com P N 0514392 C The condenser 1s of bare tube construction on the LBN 4 6 7 and 8 to reduce the amount of required maintenance required and fin and tube construction on the LBN 10 To ease in the cleaning of the bare tube con denser the top of the condenser shroud is removable Slit the upper corners of the gasket on the front of the condenser Remove the screws holding the shroud top into the shroud ends and remove the top to gain full access to the condenser Remove Screws to Access Condenser The glass lids are made of tempered non heated glass The lids slide up to open and can be locked open for product loading The lids are not self closing The lids will close easily by hand and with the assistance of gravity There is a nylon glide on the edge of the glass to assist 1n closing The lid tracks must be cleaned periodically to allow the lids to close freely N WARNING SHUT FANS OFF DURING CLEANING PROCESS HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 4 3 Manually defrost cabinet as usage dictates The LBN series are gravity cooled cabinets The sidewalls have refrigeration tubing in them to cool the lower portion of the interior and there is an upper evaporator that drops cold air down onto the product The upper coil is equipped with defrost heaters that defrost the coil The side walls of the cabinet will build up frost and ice on them over time and do need to be manu
18. 4 1 MAINTENANCE CARE AND CLEANING Long life and satisfactory performance of any equipment is dependent upon the care it receives To ensure long life proper sanitation and minimum maintenance costs these merchandisers should be thoroughly cleaned all debris removed and the interiors washed down weekly Exterior Surfaces The exterior surfaces must be cleaned with a mild detergent and warm water to protect and maintain their attractive finish NEVER USE ABRASIVE CLEANSERS OR SCOURING PADS Interior Surfaces The interior surfaces may be cleaned with most domestic detergents ammonia based cleaners and sanitizing solutions with no harm to the surface Self contained models empty into a limited capacity evaporation pan which will overflow 1f excess water 1s used in cleaning Do NOT Use Abrasive cleansers and scouring pads as these will mar the finish Coarse paper towels on coated glass Ammonia based cleaners on acrylic parts Solvent oil or acidic based cleaners on any interior surfaces Do not use high pressure water hoses WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Do Disconnect electrical power before cleaning Remove the product and all loose debris to avoid clogging the waste outlet eStore product in a refrigerated area such as a cooler Remove only as much product as can
19. CTROMECHANICAL CONTROLS These merchandisers require defrost cycles for proper operation Refer to the technical data Section for application data Defrosts are time initiated and temperature terminated The defrost timer duration 1s factory set HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A DEFROST TIME CLOCK To access the defrost time clock remove the front access panel and remove the electrical box cover Defrost Time Start Screw The clock has screws that initiate defrost according to the time of day The failsafe setting sets the length of defrost from two minutes to 110 minutes To ensure a thorough defrost it may be neces sary to increase the failsafe time in high ambi ent conditions The time arrow must be set to the correct time of day Turn the knob until the appropriate time on the wheel lines up with the time arrow N WARNING LOCK OUT TAG OUT To avoid serious injury or death from electrical shock always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component This includes but is not limited to such items as doors lights fans heaters and thermostats LBN Horizontal Merchandisers 2 4 ELECTRICAL REFRIGERATION SETTING DEFROST TIME CLOCK The timer 1s factory pre set for one defrost cycle per 48 hours for LBN 4 6 7 and 8 The LBN 10 timer is factory pre set for one defrost cycle per 24 hours starting at 12 00 a m
20. N 6R R 115 115 hardwired 15 60 1 478 LBNTR Raa 15 120 hardwired 15 eos 50 LLBN 8R Raa 115 120 hadwred 15 Gy 601 115 2 7 LBN 10 1 R 404A 6 15P 15 60 1 967 208 230 1 1 115 2 7 LBN 10R R 404A hard wired 15 60 1 710 208 230 LI field hard wired LBN 10has rear air discharge 15 Amp time delay breaker or fuse required P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com APPENDIX A TECHNICAL DATA A 7 LBN 4 Defrost Thermostat ws UI Light Switch Coil Heater Left End Heater Right End Heater tft Light Fixture lll ed H gt Heater DD D D lt I lt E I I I Anti Condensate Heater Thermostat ee R4 LIIL Bic BK B NN Electrical Box J mE Temperatura oo C 1 3 Control 42 O Condenser d n 2 i Fan geo WARNING All components must have mechanical ground and the merchandiser must be grounded CIRCLED NUMBERS Parts List ITEM NUMBERS R Red Y Yellow G Green BL Blue BK Black W White B Brown 120V Power O 120V NEUTRAL FieLp Grounp mm Case GROUND THESE ARE MARKER COLORS WIRES MAY VARY HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A LBN Horizontal Merchandisers A 8 APPENDIX A WIRING DIAGRAMS LBN 6 Defrost Thermostat BK Nf 16 W SE
21. a written response to the carrier for inspection within 15 days LOCATION These merchandisers are designed for displaying products in air conditioned stores where temperature 1s maintained at or below the ANSI NSF 7 specified level and relative humidity is maintained at or below 55 Recommended operating ambient temperature is between 65 F 18 C to 75 F 23 9 C Maximum relative humidity is 55 Placing refrigerated merchandisers in direct sunlight near hot tables or near other heat sources could impair their efficiency Like other merchandisers these merchandisers are sensitive to air disturbances Air currents passing around merchandisers will seriously impair their operation Do NOT allow air conditioning electric fans open doors or windows etc to create air currents around the merchandiser LBN Horizontal Merchandisers 1 2 INSTALLATION SELF CONTAINED LOCATION LBN 4 6 7 and 8 each have front condenser air intake and discharge Maintain a minimum clearance distance of two feet in front of the merchandiser so that air discharge and air intake is not obstructed LBN 4 6 7 8 re 24 in Intake Air S Exhaust KS SS Ne Maintain 24 in Clearance at Front of Merchandiser Zero Clearance around Sides and Rear of Merchandiser P N 0514392 C LBN 10 requires a 2 inch minimum clearance behind the merchandiser A 24 in clearance must be maintained in front of the merchandiser because
22. ally defrosted as usage and build up demands CLEANING EVAPORATION PAN The condensate water outlet for self contained models empties into a limited capacity evapo ration pan Debris or dirt accumulation inside the condensate evaporation pan will reduce the pan s evaporation capacity Remove accumulated debris from the evaporation pan Water introduced during cleaning will cause the evaporation pan to overflow LY CAUTION Always Wear gloves and protective eye wear when servicing Turn off evaporation pan heater and allow pan to cool LBN Horizontal Merchandisers 4 4 MAINTENANCE CLEANING STAINLESS STEEL SURFACES Use non abrasive cleaning materials and always polish with grain of the steel Use warm water or add a mild detergent to the water and Do NOT use HOT water on Cold glass Surfaces apply with a cloth Always wipe rails dry after This can cause the glass to shatter and could wetting result in personal injury Allow glass fronts to warm before applying hot water N WARNING Use alkaline chlorinated or non chlorine containing cleaners such as window cleaners and mild detergents Do not use cleaners containing salts as this may cause pitting and rusting of the stainless steel finish Do not use bleach REMOVING SCRATCHES FROM BUMPER Most scratches and dings can be removed using the following procedure 1 Use steel wool to smooth out the surface area of the bumper 2 Clean area
23. be grounded CIRCLED NUMBERS Parts List ITEM NUMBERS R Red Y Yellow G Green BL Blue BK Black W White B Brown 120V Power O 120V NEUTRAL FieLD Grounp mm Case GROUND THESE ARE MARKER COLORS WIRES MAY VARY HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A LBN Horizontal Merchandisers A 10 APPENDIX A WIRING DIAGRAMS LBN 10 BALLAST Use Copper Copper Clad Alluminum or Alluminum Conductors Light Fixture Nose Heater Left Breaker Heater 115 V Circuit OQ OG 3 Right Breaker Heater Front Glass Heater Anti Condensate Heater Thermostat R Sig siglo Electrical E B Box BK 115 V s 60 HZ i BK LBN 10 445 V Supply Box Light Fixture Defrost Thermostat Coil Heater Condenser Fan Motor tn Compressor 208 230 V Circuit DO OOO Coil Heater Electrical B Temperature OX 115V Control 60HZ a Supply Box WARNING All components must have mechanical ground and the merchandiser must be grounded CIRCLED NUMBERS Parts List Item NUMBERS R Red Y Yellow G Green BL Blue BK Black W White B Brown e 120V Power O 120V NEUTRAL FieLD GROUND CASE Grounp P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com SO PODODODONSDON ONIONS RO RO ROI c Ne WS 3 aN we S O DE DR 2 SEN R x i SA To obtain warranty information CI SG or other support
24. be taken to the cooler in a timely manner horoughly clean all surfaces with soap and hot water DO NOT USE STEAM OR HIGH WATER PRESSURE HOSES TO WASH THE INTERIOR THESE WILL DESTROY THE MERCHANDISERS SEALING CAUSING LEAKS AND POOR PERFORMANCE Lift hinged fan plenum for cleaning Hook chain in rear panel to secure plenum during cleaning BE SURE TO REPOSITION THE FAN PLENUM AFTER CLEANING MERCHANDISER Take care to minimize direct contact between fan motors and cleaning or rinse water WARNING Do NOT allow cleaning agent or cloth to contact food product Do NOT flood merchandiser with water NEVER INTRODUCE WATER FASTER THAN THE WASTE OUTLET CAN REMOVE IT SELF CONTAINED MODELS EMPTY INTO AN EVAPORATION PAN THAT WILL OVERFLOW IF TOO MUCH WATER IS INTRODUCED DURING CLEANING Allow merchandisers to dry before resuming operation After cleaning is completed turn on power to the merchandiser LBN Horizontal Merchandisers 4 2 MAINTENANCE WARNING LOCK OUT TAG OUT To avoid serious injury or death from electrical shock always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component This includes but ts not limited to such items as doors lights fans heaters and thermostats CLEANING DISCHARGE AIR GRILLE Discharge air air grilles should be cleaned every six months Dirty air grilles will cause merchandisers to perform po
25. icing or replacing any electrical component This includes but is not limited to such items as doors lights fans heaters and thermostats HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A LBN Horizontal Merchandisers 1 6 INSTALLATION NOTES P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 www hussmann com P N 0514392 C 2 1 ELECTRICAL REFRIGERATION MERCHANDISER ELECTRICAL DATA Refer to Appendix A of this manual or the merchandiser s serial plate for electrical information FIELD WIRING Field wiring must be sized for component amperes stamped on the serial plate Actual ampere draw may be less than specified ALWAYS CHECK THE SERIAL PLATE FOR COMPONENT AMPERES ELECTRICAL CONNECTIONS LBN 4 6 7 and 8 models have a power cord attached to the unit with a ground prong The cord 1s rated 115V 15 Amp The LBN 7 and 8 also require a circuit breaker or a time delay fuse rated at 15 Amps for the circuit being run to them LBN 10 requires conduit connections of both 115V and 208V with an amperage rat ing of 15 amps for each circuit Marked leads are provided for these connections in the field If wiring the LBN 10 to a 3 wire system is preferred a 20 Amp 208 230V circuit needs to be provided All of these models are 60 hz 1 ph Connecting this unit to any electrical supply other than specified on the serial plate will void the warranty and may result in serious
26. lenoid valve not provided with the merchandiser The thermostat energizes the valve as the temperature rises A pump down system 1s recommended for outdoor condensing units N CAUTION Refrigeration lines are under pressure Refrigerant must be recovered before attempting any connection or repair U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C LINE SIZING Remote Models Refrigerant line connections are made at the right end of merchandiser facing front beneath the refrigerated display area The refrigerant line connection size is 3 8 in The suction line is s in Refrigerant lines should be sized as shown on the refrigeration legend that is furnished for the store or according to ASHRAE guidelines WATER OUTLET AND WATER SEAL The condensate water outlet is located on the right side of the merchandiser The outlet has a factory installed external water seal For self contained models like this water seal drains into the condensate evaporator pan located beneath the merchandiser Ensure the drain hose is properly trapped and the drain area is not clogged For remote models connect the drain hose to a floor drain Ensure that the drain hose 1s properly trapped NOTE All lower base panels must be in place when the refrigerator 1s operating If not air flow from the condenser will be directed over the evaporator pan and defrost water in the pan may overflow ELE
27. merchandiser by all four corners Merchandiser s must be installed level to ensure proper operation of the refrigeration system and to ensure proper drainage of defrost water A slight pitch from front to back is desirable The cabinet back should never be higher than the front COMPRESSOR The compressor 1s banded for shipping Remove the two bolts holding the compressor bar in place Pull out the condensing unit Cut the steel band which holds down the compressor during shipment The compressor should now float freely on the mounting springs DO NOT LOOSEN NUTS Compressor Band FY Compressor Band Must Be Cut P N 0514392 C OPTIONAL LEGS NSF approved legs replace the leg levelers if required by local health codes The legs raise the case 6 inches for cleaning purposes An optional skirt kit can be provided to snap on the legs SERIAL PLATE LOCATION The serial plate 1s located on the left hand end of the case interior and a second one in the condensing unit compartment The serial plate contains all pertinent refrigeration and electrical information The serial plate should not be removed for any reason U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C 1 5 REFRIGERATION UNIT ACCESS DRAIN TRAP The louvered access panel on the lower right Drain Trap may be accessed by removing the front of the cabinet provides access to the rear access panel that covers the rea
28. move the screws holding the backs of the lid tracks to the galvanized sub top and the screws holding the center tracks to the aluminum rail on top of the front glass 5 Remove the plastic arm trim breakers in the end aluminum trim pieces to expose the screws in them Remove screws and remove end trim HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 5 3 6 Remove the trim from the top of the front glass 7 Pull the front glass up and out exposing the wires at the right hand end of the glass and disconnect 8 Replace the glass assembly 9 Reverse procedure to reassemble NOSE HEATER REPLACEMENT The nose heater 1s located behind the nose screen that 1s in front of the evaporator Remove the nose screen replace heater CONDENSATE HEATER LIMIT THERMOSTAT The condensate heater limit thermostat 1s a safety feature that will shut off the condensate heaters just discussed when the thermostat senses 101 F The thermostat 1s located on the defrost thermostat mounting bracket which 1s on the air scoop behind the nose screen in front of the evaporator LBN Horizontal Merchandisers 5 4 SERVICE TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION Leak check change drier evacuate and recharge Short of refrigerant Inefficient compressor Replace Compressor runs continuously product too warm Clean Dirty condenser Blow oil out of evaporat
29. night while lights are off HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A DEFROST DATA Frequency hr LBN 4 6 7 8 48 LBN 10 24 OFFTIME Failsafe minutes All models 40 Defrost Termination Time Terminated PHYSICAL DATA Refrigerant Charge 30 oz 0 851 kg 36 oz 1 020 kg 38 oz 1 077 kg 35 oz 0 992 kg uH 15 3 4 400 Bi 38 3 4 984 30 1 8 765 30 7 8 784 32 7 8 835 Dimensions shown as inches and mm LBN Horizontal Merchandisers A 6 APPENDIX A TECHNICAL DATA Electrical Data Note These are rated values for individual components and should not be added together to determine total merchandiser electrical load Condensing Unit 115V 1Ph 60Hz Standard LBN 4 LBN 6 LBN 7 LBN 8 LBN 10 Compressor LRA 56 45 59 8 59 8 40 Compressor RLA 10 5 10 2 12 12 7 7 Product Data LBN 4 ARI Total Display Area Sq FtlCase 360 76 ft case 12 74 m case LBN 6 ARI Total Display Area Sq FtlCase 623 82 ft case 22 03 nv case LBN 7 ARI Total Display Area Sq FtlCase 757 48 ft case 26 75 m case LBN 8 ARI Total Display Area Sq FtlCase 887 17 ft case 31 33 m case LBN 10 ARI Total Display Area Sq FtlCase 1146 27 ft case 40 48 m case Computed using ARI 1200 standard methodology Total Display Area ft m Unit of Length ft m Refrigerant ni NPS Volts Run Amps NEMAPlug fuse Amps Ha Ph LBN4R RAM 115 102 hardwired 15 60 1 455 LLB
30. ontents Continued on Next Page LBN Horizontal Merchandisers vi TABLE OF CONTENTS CONTINUED APPENDIX Part NUMDErS sornione A 1 Plan View Mr A 4 Cross Section and Refrigeration Data A 5 Electrical Data 40 98s iena A 6 Wiring Diagram LBN 4 A 7 Wiring Diagram LBN 6 A 8 Wiring Diagram LBN 7 8 A 9 Wiring Diagram LBN 10 A 10 REVISION HISTORY REVISION C Revised incorrect part number for LBN 4 Compressor Page A 2 OCTOBER 2011 REVISION B Changed for Windchill purposes ORIGINAL ISSUE DECEMBER 2010 Veo Xe ve we ve owe ve owe Ve owe Ve de RR RR RR RRR RSE ANSI Z535 5 DEFINITIONS DANGER Indicate s a hazardous situation which if not avoided will result in death or serious injury WARNING Indicate s a hazardous situation which if not avoided could result in death or serious injury gt gt CAUTION Indicate s a hazardous situation which if not avoided could result in minor or moderate injury A NOTICE Not related to personal injury Indicates s situations which if not avoided could result in damage to equipment P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C 1 1 INSTALLATION CERTIFICATION These merchandisers are manufactured to meet ANSI National Sanitation Foundation NSF Standard 7 requirements Proper installation 1s required to
31. or Evaporator oil logged Cabinet location too warm 1 Relocate cabinet Restricted condenser air 2 Clean condenser to remove air flow flow restriction High head pressure Defective condenser fan 3 Replace motor 4 Leak check change drier Air or non condensable gases evacuate and recharge in system Temperature control not Reset control set properly Leak check replace drier Short of refrigerant evacuate and recharge Warm storage temperature Cabinet location too warm Relocate Too much refrigerant Change drier evacuate and recharge Low voltage compressor cycling on overload Check power Condenser dirty Clean Defective control Replace Compressor runs continuously Control feeler not in tube Assure proper length in product too cold properly tube Short on refrigerant Leak check change drier evacuate and recharge P N 0514392 C U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0515275 C 5 5 PROBLEM PROBABLE CAUSE SOLUTION 1 Defective control Replace Compressor runs continuously product too cold 2 Control feeler not in tube Assure proper length in properly tube 3 Short on refrigerant Leak check change drier Compressor will not start no noise Blown fuse or breaker Defective or broken wiring Defective overload Defective temperature control Power disconnected evacuate and recharge Replace f
32. orly The air grilles may be cleaned with a vacuum cleaner Soap and water may be used if all water 1s removed from the air grilles cells before replacing Be careful not to damage the air grilles CLEANING SOLAR THERMOMETER LBN models have solar thermometers The thermometer is located at the top front center of the merchandiser s cabinet interior To clean the thermometer 1 Remove the two screws securing the ther mometer to its mounting bracket Remove the sensing element from the clip 2 Use non abrasive cleaning materials and a mild detergent to clean thermometer 3 Be sure to wipe the element clean of any residues P N 0514392 C N CAUTION DO NOT FLOOD Use only enough water necessary to clean surface Water must not drip down the case Never use ammonia based cleansers abrasive cleansers or scouring pads CLEANING COILS Condenser coils should be cleaned at least once per month Additional cleaning may be needed depending on the operational environment or FIN COILS TUBE Airflow blockage increases energy consumption and reduces the merchandiser s ability to main tain operating temperature To clean fin coils use a vacuum cleaner with a wand attachment and a soft non metallic brush to remove dirt and debris Do not bend coil fins Always wear gloves and protective eye wear when cleaning near sharp fins and dust particles U S amp Canada 1 800 922 1919 e Mexico 1 800 522 190
33. r of the condensing unit and electrical box compressor compartment The drain trap should be filled with water This prevents warm air from migrating back through the drain to the evaporator coil Failure to fill the trap with water could result in excessive frosting of the evaporator coil For the LBN 10 the back panel is a wire grille which allows discharge air to flow through the condensing unit compartment Before removing this panel make sure the power supply to the cabinet is disconnected There is alo a rear access panel that covers the rear of the condensing unit compartment This panel can be removed to gain access to the SEALING MERCHANDISER TO FLOOR back compartment ln E i M TTE YN SP AS If required by local sanitary codes or if the customer desires merchandisers may be sealed to the floor using a vinyl cove base trim The size needed will depend on how much variation there 1s in the floor from one end of the merchandiser to the other Sealing of the lower front and rear panels on self contained models may hamper their removal for servicing or maintenance of the condensing unit T NOTE Do not allow trim to cover any intake Rear Access Panel Removed or discharge grilles located in the lower front panel WARNING LOCK OUT TAG OUT To avoid serious injury or death from electrical shock always disconnect the electrical power at the main disconnect when serv
34. reen from in front of the evaporator 3 Remove the stainless steel mirror reflector over the light fixture 4 Refer to the wiring diagram for thermostat wiring terminations and disconnect 5 Remove the air scoop located in front of the evaporator coil and the defrost thermo stat mounting plate attached to it Remove the thermostat and disconnect wires 6 Reverse this procedure to reinstall the new thermostat WARNING LOCK OUT TAG OUT To avoid serious injury or death from electrical shock always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component This includes but is not limited to such items as doors lights fans heaters and thermostats HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A DEFROST HEATER REPLACEMENT The cabinet 1s equipped with two defrost heaters which are wired in parallel except for the LBN 4 6 7 and 8 220V which are wired in series Wiring them this way allows for lower wattage which increases the life of the heater The drain pan does not have to be removed to replace the heaters The heaters are equipped with plug in connec tions that plug into the underside of the light fixture Disconnect electrical power supply Remove the stainless steel reflector Remove the nose screen in front of the evaporator area The heaters are held up against the evaporator by spring clips Press heaters down and pull
35. the bulb for maximum light intensity and to protect the bulb in case of breakage The tubes can be replaced without removing the doors To replace twist the bulb and slide the prongs clear of the lamp holder When reinstalling this type of bulb be sure the prongs on the bulb twist and lock into place There 1s a convenient ON OFF switch located at the right end of the case cabinet behind the mirror reflector This switch only controls the lights The lights should always be left ON to prevent moisture from forming on the mirror reflector This 1s especially important for high humidity environments The light ballast is located in the light fixture Remove the mirror reflector to access the ballast J Protective Shield Bulb VA End Cap Remove Plastic Pins Attaching Display Lamp U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com P N 0514392 C FRONT GLASS HEATER REPLACEMENT The front glass heater 1s built as part of the glass assembly The purpose of the heater 1s to keep the aluminum trim surrounding the glass free of condensation If the cabinet 1s located in a high humidity environment the center of the glass may have a trace of condensation across it To replace the glass assembly 1 Disconnect power to the cabinet Remove the cabinet top by removing the screws that hold it into the back of the cabinet and on each end 2 Lift the top off the cabinet 3 Remove the lids 4 Re
36. the date of manufacture as determined by the compressor serial number on the compressor serial plate For any defective compressor beyond the 12 month or 20 month time period a salvage value credit will be given to partially offset the invoice for replacement After March 16 1991 when all cases have the five year warranty as standard the following proce dure applies FORWARD TO YOUR NEAREST HUSSMANN DISTRIBUTOR 1 The cabinet model and serial number 2 A copy of the wholesalers invoice along with a copy of the salvage value credit INTERNAL LEAK WARRANTY POLICY The LBN series are warranted from the date of factory shipment for five years for an internal leak An internal leak not only includes the cold wall tubing but the upper evaporator as well on these models If it is felt that there is an internal leak in the cabinet care should be taken to actually determine that there is a leak P N 0514392 C To do this properly the cabinet s evaporator section must be isolated from the condenser section Unbraze the tubes going into the back of the cabinet at the end of the heat exchanger Pinch or cap the larger tube and braze shut Add a schrader valve to the smaller tube Attach the high side gauge of a compound gauge to the valve and pressurize the cabinet with nitrogen or otherwise suitable gas There should be at least 300 psi on the system Mark the pressure on the gauge and leave it returning 24 ho
37. tion Remote Line SIZING ode ce oad pipe oe EEE Waste Outlet and Water Seal Electromechanical Controls Defrost Time Clock Setting Defrost Times Crankcase Pressure Regulator HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A V START UP OPERATION vica d nek oa we ee ese ds oe ed oe 3 1 Controls and Adjustments 3 1 Load Mims grani 3 2 Stocking TL 3 2 Thermometer 4 25 4 044 vuv Sew eae s 3 2 MAINTENANCE Care and Cleaning 4 Do NOT Use 5465442454648864544535 4 1 Di 7 4 1 Cleaning Discharge Air Grille 4 2 Cleaning Solar Thermometer 4 2 Cleaning Coils iius erem ERE 4 2 Cleaning Under Display Pan 4 2 Cleaning Evaporator Pan 4 3 Cleaning Stainless Steel Surfaces 4 3 Removing Scratches from Bumper 4 4 SERVICE Defrost Thermostat Replacement 5 1 Defrost Heater Replacement 5 1 Condensate Heaters 5 2 End Panel Heaters 2s aa se bh 5 2 Replacing Fluorescent Lamps Ballasts 5 2 Front Glass Heater Replacement 5 3 Nose Heater Replacement 5 3 Condensate Heater Limit Thermostat 5 3 Troubleshooting Guide 5 4 Light Problem Solution 5 6 LBN Accessories and Options 5 7 Compressor Replacement Procedure 5 8 Internal Leak Warranty Policy 5 8 Table of C
38. ty Do not use an extension cord Never plug in more than one merchandiser per electrical circuit Always use a dedicated circuit with the amperage stated on the unit Plug into an outlet designed for the plug Do not overload the circuit Do not use long or thin extension cords Never use adapters f 1n doubt call an electrician NEMA 5 15P Receptacle All Models Except LBN 10 N WARNING Risk of Electric Shock If cord or plug becomes damaged replace only with a cord and plug of the same type P N 0514392 C REFRIGERATION Self Contained Models Each self contained model is equipped with its own condensing unit and control panel located beneath the display area The correct type of refrigerant will be stamped on each merchandiser s serial plate The merchandiser refrigeration piping is leak tested The unit 1s charged with refrigerant and shipped from the factory with all service valves open LBN 6 7 8 and 10 models have a refrigeration system that uses a semi hermetic compressor LBN 4 uses a hermetic compressor LBN systems use a capillary tube for refrigerant control The capillary tube is soldered to the suction line pull out coil for proper heat exchange If the capillary should become plugged or damaged it is best to replace the heat exchanger REFRIGERATION Remote Models Refrigeration temperature 1s controlled by a factory installed thermostat The thermostat controls a liquid line so
39. up on the front edge of the heater clips The heaters can be fulled forward When replacing be sure the back pass of the rear defrost heater goes into the retaining clip at the back of the drain pan This 1s necessary to prevent ice build up in the drain pan Spring Clip Defrost Heaters E The last length to go under Spring Clip on rear Drain Pan Coil Heater Bracket End View LBN Horizontal Merchandisers 5 2 SERVICE REPLACEMENTS OF CONDENSATE HEATERS There are condensate heaters behind the stain less steel end panels around the front glass and behind the nose screen These heaters are thermostatically controlled in case the cabinet malfunctions and thermostat senses above 101 F at which time the heaters will shut off REPLACEMENT OF END PANEL HEATERS The end panel heaters are located behind the end panel stainless steel reflectors They can be removed by removing the screws on the bottom edge of the panel and pulling down on the bottom edge The heater is on adhesive foil on the backside of the panel End Panel Heater WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area P N 0514392 C REPLACING FLUORESCENT LAMPS AND BALLASTS Cool white fluorescent bulbs located on the underside of the stainless steel mirror reflector provide interior lighting for the merchandiser The bulbs are sleeved to maintain proper heat around
40. urs later Note the pressure If it has fallen more than 150 200 psi then the system may have an internal leak If 1t only drops a small amount this does not mean that you have an internal leak but that the gas 1n the cabinet 1s cooler and has reduced its pressure because of this If the cabinet has an internal leak contact the nearest Hussmann distributor or the factory to receive authorization to return the cabinet to the factory NO MERCHANDISER WILL BE ACCEPTED AT THE FACTORY WITHOUT A LETTER OF AUTHORIZATION FOR RETURN U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com APPENDIX A TECHNICAL DATA A 1 Heater HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Item Part Description Item Part Description LBN 4 LBN 6 LBN 7 LBN 8 LBN 10 THERMOSTATS amp POWER PLUG LBN 6 HE 4850855 Defrost Heater CT 048035 Refrigeration Thermostat HE 4850914 Nose Heater SW 4440541 Switch GL 4990293 Front Glass Pack with EP 4481948 Power Cord all models Heater except LBN 10 LBN 7 TC 038269 Defrost Timer 48 Hours HE 4850849 Defrost Heater All models except LBN 10 HE 4850959 Nose Heater 1C 038072 Defrost Timer 24 Hours LBN 10 GL 4990304 Front Glass Pack with Heater HEATERS LBN 8 HE 19S470 Defrost Heater ALL MODELS HE 4850897 Heater End Breaker HE 4850911 Nose Heater Right Side GL 4990291 Front Glass Pack with HE 4850910 Heater End Breaker Heater End Side LBN 10 CT 4480283 Defrost
41. use or reset breaker Repair or replace Replace Replace Check service cords or wiring connections Low voltage 1 Contact electrician Defective compressor 2 Replace Defective relay 3 Replace Compressor will not start cuts out on overload Restriction or moisture 4 Leak check replace drier evacuate and recharge Inadequate air condenser Clean condenser Defective condenser fan motor Replace CRO not set properly Reset to 10 psi Low suction pressure Low head pressure CPR not set properly Reset to 10 psi HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A LBN Horizontal Merchandisers 5 6 SERVICE PROBLEM PROBABLE CAUSE SOLUTION Low voltage Check voltage at compressor Cabinet not level Check front to rear leveling Icing condition in drain pan under evaporator Defective defrost heater Replace Drain trap does not have Pour water down drain water in it CPR not set properly Replace to 10 psi Replace Defective CPR Low suction pressure Change drier evacuate and Low head pressure Capillary tube blocked due recharge to water or dirt Leak check change drier Short of refrigerant evacuate and recharge Top coil blocked with frost Check defrost system Pressures normal cabinet warm Evaporator oil logged7 Blow oil out of evaporator LIGHT PROBLEM SOLUTION PROBLEM SOLUTION Check light switch Check continuity to ballast

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