Install Manuals
Contents
1. 6 1 Liquid Line sds 2 2 2 Replacing Fluorescent Lamps 6 2 Refrigeration Thermostat 2 3 Replacing Lamp holders and End Caps 6 2 Defrost Termination Thermostat 2 3 Replacing Electronic Ballasts 6 3 Defrost Sequences 23 464 usinas exe 2 3 Replacing Damaged Drain Fitting 6 3 Merchandiser Electrical Data 2 4 Repairing Aluminum Coils 6 4 Electrical Connections 2 4 Field Wit es sas ance as 2 4 WARRANTY Identification of Wiring 2 4 DRIP PIPING AND SPLASHGUARDS Waste Outlet and Water Seal 3 1 Installing Drip Piping 3 1 Installing Splashguards and Lower Front Panels 3 2 Sealing Splashguard to Floor 3 3 Installing Optional Stainless Steel Splashguards seserra bee ab areas 3 3 IMPORTANT KEEP IN STORE FOR FUTURE REFERENCE Quality that sets industry standards a LU G H m a n n 12999 St Charles Rock Road Bridgeton MO 63044 2483 U S amp Canada 1 800 922 1919 Mexico 1 800 890 2900 www hussmann com 2013 Hussmann Corporation REVISION HISTORY REVISION C October 2013 1 Added warning box page 1 1 2 Added Maintaining Fluorescent Lamps page 5 4 3 Revised Replacing Fluorescent Lamps page 6 2 REVISION B December 2012 1 Added Coil Cleaning Page 5 4 REVISION A November 2010 Original Issue OK OK CK OK OK OK CK kK OK OK kK CK2. P N 0518258 C U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C 5 1 MAINTENANCE WARNING Do NOT use HOT water on COLD glass CARE AND CLEANING Long hfe and satisfactory performance of any equipment s dependent upon the care 1t 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 Fan Plenum To facilitate cleaning the fan plenum is hinged After cleaning be sure the plenum 1s properly lowered into position OR PRODUCT LOSS WILL RESULT due to improper refrigeration WARNING SHUT FANS OFF DURING CLEANING PROCESS Removable Front Shelf Support and Return Air Grille The front shelf support may be removed to facilitate cleaning Simply lift a four foot section up and out as shown below Grilles Removable Front Shelf Support ie HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Removak Return surfaces This can cause the glass to shatter and could result in personal injury Allow glass fronts ends and service doors to warm before applying hot water 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 w
3. Air Grille Flexible Plastic Fits in Price Tag Moldings Suggested Mounting Locations in Multi deck Merchandisers Hussmann P N 0429971 C 10 2007 P N 0518258 C U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C 4 3 Important Please read This thermometer is provided in response to United States Food and Drug Administration US FDA Food Code http www fda gov and National Sanitation Foundation NSF ANSI Standard 7 http www nsf org Each installation will be different The thermometer may need to be depending on how the unit is moved several times to find the stocked shopping patterns in the warmest location Mounting options department and ambient conditions include flexible plsatic for price tag of the store The suggested locations molding application magnet provided herein are possible applied to back of flexible plastic for locations It is the responsibility of steel end wall and double stick the purchaser user to determine tape Tape must not be exposed the location with the food storage after installation area of the unit that best meets the code requirements above Questions about either code should be addressed to local agencies or other appropriate officals Keep with merchandiser or give to store manager DO NOT DESTROY HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A Medium Temperature 4 4 START UP OPERATION Notes
4. Hussmann representative 6S Please include the model and Se Gy serial number of the product KO 2 K Q K KA x i Bri ssouri A Hussmann Corporation Corporate Headquarters Bridgeton Missouri U S A 63044 2483 01 October 2012 es N N a s de L L L L L L L L L L L L L EE E E E LEE EEE E PE PAO E ET ST EEE ee SE RN EEN EIER Oo OE NLS EAN EAN EIER 52 s SAN EAN EIER CRIS x Hussmann Corporation 12999 St Charles Rock Road Bridgeton MO 63044 2483 www hussmann com
5. REPLACING FAN MOTORS AND BLADES See cross section for location of evaporator A CAUTI O N fans Should it ever be necessary to service or replace the fan motors or blades be certain LOCK OUT TAG OUT that the fan blades are re installed correctly To avoid serious injury or death from electrical shock always disconnect the electrical power For access to these fans at the main disconnect when servicing or replacing any electrical component This 1 Turn off power includes but is not limited to such items as doors lights fans heaters and thermostats 2 Remove bottom display pans 3 Disconnect fan from wiring harness 4 Remove fan blade Fan Assembly 5 Remove screws holding fan motor bracket assembly to plenum and remove assembly a Speed Nut 6 M H Replace fan motor bracket assembly and reinstall screws 7 Reinstall fan blade 8 Reconnect fan to wiring harness Fan Blade 9 Turn on power ae Airflow Direction 10 Verify that motor is working and blade is turning in the correct direction Ba ZN FR 11 Close air gaps under fan plenum Warmer air moving into refrigerated air reduces effective cooling If the plenum does not rest against the case bottom without gaps apply foam tape to the bottom of the fan plenum to reduce improper air movement Use silicone sealant to close other gaps Plenum 12 Replace display pans Bring merchandiser to operating temperature befo
6. S A STOCKING Product should NOT be placed n merchandisers until case 1s at proper operating temperature Proper rotation of product during stocking 1s necessary to prevent product loss Always bring the oldest product to the front and set the newest to the back AIR DISCHARGE AND RETURN FLUES MUST REMAIN OPEN AND FREE OF OBSTRUCTION AT ALL TIMES to provide proper refrigeration and air curtain performance Do not allow signs product packages etc to block these grilles Do not use non approved shelving baskets display racks or any accessory that could hamper air curtain performance INSTALLING FDA NSF REQUIRED THERMOMETER The following pages provide the same informa tion that ships with the thermometer This requirement does not apply to display refrigerators intended for bulk produce refer to page 1 1 Please note that the tape cannot be exposed after installation Medium Temperature 4 2 START UP OPERATION Th IS IS an NS F 7 amp Suggested Mounting Locations in Single Deck Glass Front US FDA Food Code Impact Merchandisers Req ul red Package Guard Thermometer engen Thermometer Hussmann Part TM 4911251 Hussmann Corporation s 12999 St Charles Rock Road Bridgeton MO 63044 2483 U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e www hussmann com O 2007 Hussmann Corporation S Double Stick Tape End Panel Shelf Price Tag Molding Return
7. When connecting drip piping the water seal must be used as part of the drip piping to prevent air leakage or insect entrance Never use two water seals in series in any one drip pipe DOUBLE WATER SEALS IN SERIES WILL CAUSE AN AIR LOCK AND PREVENT DRAINING 3 Pitch the drip piping in the direction of flow There should be a minimum pitch of 1 4 in per ft 20 mm per 1 m 4 Avoid long runs of drip piping Long runs make it impossible to provide the pitch necessary for good drainage HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 5 Provide a suitable air break between Splashguard brackets MUST be installed before piping case flood rim of the floor drain and outlet of drip pipe To meet code on low base merchandisers 1t may be necessary to install a field supplied drip pipe reducer An alternative is to cut the last section of drip pipe at an angle e Prevent drip pipes from freezing A Do NOT install drip pipes in contact with uninsulated suction lines Suction lines should be insulated with a nonabsorbent insulation material B Where drip pipes are located in dead air spaces such as between merchandisers or between a merchandiser and a store wall provide means to prevent freezing Medium Temperature 3 2 DRIP PIPING AND SPLASHGUARDS Produce Wide Island Merchandisers See the case data sheet set for dimensions Each waste outlet will be interconnected with factory insta
8. and insulated for a minimum of 30 ft 9144 mm from the merchandiser Additional insulation for the balance of the liquid and suction lines s recommended wherever condensation drippage is objectionable or lines are exposed to ambient conditions SUCTION LINE e Pitch in direction of flow e May be reduced by one size at one third of case run load and again after the second third Do not reduce below the case suction e Case suction lines should enter at the top of the branch line Suction Line Return LIQUID LINE e May be reduced by one size after one half the case run load Do not reduce below the case liquid line connection size e Take offs to case liquid lines should exit the bottom of the branch liquid line Provide an expansion loop for each evaporator take off minimum 3 in 76 mm loop Minimum Loop 3 in 76 mm Liquid Line Take Off Offtime Defrost line size 8 Ft Case 12 Ft Case 2438 mm 3658 mm 8 Ft Case 2438 mm 12 Ft Case 3658 mm cI Liquid Line 7 P N 0518258 C U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C REFRIGERATION THERMOSTAT The bulb for the optional refrigeration thermo stat s located approximately 12 in 305 mm above the coil and 6 ft 1829 mm from the left hand end facing front of the merchandis er The optional refrigeration thermostat is located 5 ft 1524 mm from the left hand end just p
9. ATCHES 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 or top rail 2 Clean area 3 Apply vinyl or car wax and polish surface for a smooth glossy finish P N 0518258 C MAINTAINING FLUORESCENT LAMPS Fluorescent lamps should not be allowed to run to failure If a re lamp schedule is not in place the tubes should be inspected for signs of degradation blackened ends Degraded or failed tubes should be replaced Allowing severely degraded lamps to operate may cause a ballast failure or could expose the lamp holder to excessive heat Replacing degraded bulbs is more cost effective than replacing ballast and lamp holders Traditional re lamp programs are 18 to 24 month intervals In the absence of a re lamp program a yearly inspection of the lightning system 1s recommended 1 Inspect all lamp sockets and plug recepta cle connections for signs of arcing Replace any component that shows signs of arcing 2 Make sure all unused receptacles have their close off covers securely installed 3 Make sure proper cleaning procedures are followed Lights and fans MUST be turned off when a case 1s cleaned and MUST be allowed to dry before turning power back on 4 Do not use a pressure nozzle to clean inside a case U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C 6 1 SERVICE
10. BOLTS PROVIDED NSF requires any bolt or screw in the product area be capped or cut off if it has more than three exposed threads NOTE Be careful not to damage the factory installed end while moving the case Make sure that tools are positioned past the end and beneath the merchandiser s support bar SHIPPING BRACES Move the merchandiser as close as possible to its permanent location and then remove all packaging Check for damage before discard ing packaging Remove all separately packed accessories such as kits and shelves P N 0518258 C LEVELING Merchandisers must be installed level to ensure proper operation of the refrigeration system and to ensure proper drainage of defrost water When leveling merchandisers use a carpenter s level as shown Leveling shims are provided with each merchandiser for use if needed The shims are big enough so that you can level adjoining merchandisers at the same time using one shim NOTES e BEGIN LINEUP LEVELING FROM THE HIGHEST POINT OF THE STORE FLOOR e If shimming two corners check to see if a shim is needed n the center of the merchandiser If a gap exists between the support rail of the merchandiser and the floor a shim should be placed in the center JOINING INSTRUCTIONS Sectional construction means that two or more merchandisers may be joined in line yielding one long continuous display requiring only one pair of ends ALL JOINTS MUST BE AIR TIGHT TO PREVE
11. ER INTRODUCE WATER FASTER THAN THE WASTE OUTLET CAN REMOVE IT Allow merchandisers to dry before resuming operation After cleaning is completed turn on power to the merchandiser U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C CLEANING HONEYCOMB ASSEMBLIES Honeycombs should be cleaned every six months Dirty honeycombs will cause merchandisers to perform poorly The honey combs may be cleaned with a vacuum cleaner Soap and water may be used 1f all water 1s removed from the honeycomb cells before replacing Be careful not to damage the honey combs Single Deck Cases 1 Using a flat object such as a screw driver compress the honeycomb and remove 1t from its retainer 2 Clean and dry the honeycomb 3 After cleaning replace in reverse order Retainer Honeycomb HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 9 3 CLEANING STAINLESS STEEL RAILS Use non abrasive clean ng materials and always polish with grain of the steel Use warm water or add a mild detergent to the water and apply with a cloth Always wipe rails dry after wetting 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 Clean frequently to avoid build up of hard stubborn stains A stainless steel
12. FRIG THERMOSTAT Low TEMP LIGHT BLUE REFRIG THERMOSTAT NORM TEMP DARK BLUE DEFROST TERM THERMOSTAT PURPLE CONDENSATE HEATERS BROWN FAN MOTORS GREEN GROUND ORANGE OR LIGHTS MAROON RECEPTACLES YELLOW DEFROST HEATERS 120V DEFROST HEATERS 208V EITHER COLORED SLEEVE OR COLORED INSULATION ELECTRICIAN NOTE Use copper conductor wire only MERCHANDISER MUST BE GROUNDED THESE ARE MARKER COLORS WIRES MAY VARY P N 0518258 C U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C DRIP PIPING AND SPLASHGUARDS N CAUTION WASTE OUTLET AND WATER SEAL The waste outlet is located in front of the fan plenum 6 ft 1829 mm from the left hand end of the merchandiser facing case front A water seal is supplied with each fixture The water seal must be installed to the waste outlet to prevent air leakage and insect entrance into the fixture NOTE Water seal outlet must clear front skid rail A Tee adapter plug and street ell are also supplied with each merchandiser INSTALLING DRIP PIPING Poorly or improperly installed drip pipes can seriously interfere with the merchandiser s operation and result in costly maintenance and product losses Please follow the recommendations listed below when installing drip pipes to ensure proper installation 1 Never use drip piping smaller than the nominal diameter of the pipe or water seal supplied with the merchandiser 2
13. HUSSMANN Excel Medium Temperature Bulk Produce and Bakery Merchandisers Installation amp Service Manual Shipped With Case Data Sheets P N 0518258 C M PO RTANT October 2013 Keep in store for English P N 0518258 Spanish P N 0538840 future reference French P N 0538841 P N 0518258 C TABLE OF CONTENTS INSTALLATION START UP OPERATION NSF Certification 00005 1 1 4 1 LOCATON sagas pesada Gd aes 1 1 Eoad area gas ac ads 4 1 Shipping Damage 1 1 SHOCKING ee nie bs A os eae eer Ga ea 4 Exterior LOAdINO eier 1 2 Installing FDA NSF Merchandisers Shipped with End Installed 1 2 Required Thermometer 4 Shipping Braces 1 2 EA E OTE 1 2 MAINTENANCE Joining Instructions 1 2 Care and Cleaning A 5 gas us 5 1 Splashguard Bracket and Joint Support 1 6 Cleaning Honeycomb Assemblies 5 3 Offsetting Bumpers and Top Rail 1 6 Cleaning Stainless Steel Top Rails 5 3 Installing Partitions 1 8 Removing Interior Back Panels 5 3 Cleaning Under Merchandisers 5 4 REFRIGERATION ELECTRICAL Removing Scratches from Bumper 5 4 Reiniperant sia gata dered ates eo ants 2 1 Maintaining Fluorescent Lamps 5 4 Refrigerant Piping 2 1 o 2 2 SERVICE LIRE ais whe aes Be ate ih BI 2 2 Replacing Fan Motors and Blades
14. IRING ALUMINUM COIL The aluminum coils used in Hussmann mer chandisers may be easily repaired in the field Materials are available from local refrigeration wholesalers Hussmann recommends the following solders and technique Solders Aladdin Welding Products Inc P O Box 7188 1300 Burton St Grand Rapids MI 49507 Phone 1 800 645 3413 Fax 1 800 645 3414 X Ergon 1570 E Northgate P O Box 2102 Irving TX 75062 Phone 1 800 527 9916 NOTE Hussmann Aluminum melts at 1125 F 607 C Aladdin 3 1n 1 rod at 732 F 389 C X Ergon Acid core at 455 F 235 C P N 0518258 C Technique 1 Locate Leak 2 REMOVE ALL PRESSURE 3 Brush area UNDER HEAT 4 Use PRESTOLITE TORCH ONLY Number 6 tip 5 Maintain separate set of stainless steel brushes and USE ONLY ON ALU MINUM 6 Tin surface around area 7 Brush tinned surface UNDER HEAT thoroughly filling the open pores around leak 8 Repair leak Let aluminum melt solder NOT the torch 9 Don t repair for looks Go for thickness 10 Perform a leak check 11 Wash with water 12 Cover with a good flexible sealant U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com SASS IOS ADS ADIADA DADA DDD ADS ADO Con SO SOF ITI I IOI IOI ESTE NE N a Ke KOTA BE KA amp 4 K KOTA BE KA amp 4 A amp A 49 amp L te x 4 SS To obtain warranty information Gy or other support contact your 3 9
15. NT FORMATION OF ICE OR CONDENSATION U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C Prep Case 1 Check to be sure that merchan disers are level and that the factory installed nut retainers and alignment pins are in place Locate Joint Kit and check contents against parts list Remove shelves if installed display racks pans front shelf supports and front air grilles from the right end Remove the rear panel s from the right end On multi deck cases remove the lower back panel first To remove a panel lift it up from its bottom edge and out No tools are required Apply Gaskets 1 Apply in 13 mm gasket in the horizontal recess across the bottom and up the front of the merchandiser as shown Gasket should cover slots Apply the 1 in 41 mm gas ket to cover foam to metal gap at rear of case and across the top as shown Be sure to over lap gaskets as shown Check to be sure that there are no gaps between gasket and merchan diser HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Leveling Wide Island Merchandisers Levels N Be I IS NOTE Do not place levels on Display Pans or on Shelves Levels Leveling Single Deck Merchandisers Medium Temperature 1 4 INSTALLATION Fasten Cases 1 P N 0518258 C Move the second merchandiser into posi tion against the first Match the alignment pins with the corres
16. ast the wireway On wide island models the thermostat body is located on the serial plate side front of the merchandiser DEFROST TERMINATION THERMOSTAT The standard disc type defrost termination thermostat is not adjustable This thermostat is clamped to the suction line of the coil on the left hand facing front end of the case DEFROST SEQUENCES These merchandisers require defrost cycles for proper operation Refer to the data sheets for application data Standard De HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A E S SE Termination Thermostat 2 3 The Time Clock initiates defrost The evaporator fans continue to circulate air across the evapo rator coil melting any frost build up Defrost can be terminated by either temperature or time Temperature Termination Temperature termination should be used for the following types of installations 1 Parallel systems with EPRs or suction stop solenoids 2 Single compressor units without pump down cycle Time Termination Should be used for the following types of installations 1 Parallel systems with thermostat and liquid solenoid 2 Single compressor units with pump down To use time termination simply do not wire the termination thermostat Optional Refrigeration 4 Thermostat Bulb m W W W P P al Optional Refrigeration Thermostat Medium Temperature 2 4 REFRIGERATION ELECTRICAL MERCHANDISER ELECTRICAL DATA Merc
17. cleaning solution may be used periodically to minimize scratching and remove stains Rinse and wipe dry immediately after cleaning Never use hydrochloric acid muriatic acid on stainless steel REMOVING INTERIOR BACK PANELS The interior back panels may be removed for cleaning and to gain access to the evaporator coils Remove the rear interior back panels as follows 1 DISCONNECT THE ELECTRICAL POWER TO THE MERCHANDISER 2 Lift the panel up then pull forward and out 3 Replace panels in reverse order starting with the top panel 4 After cleaning or servicing the merchandiser reconnect the electrical power Medium Temperature 5 4 MAINTENANCE CLEANING COILS NEVER USE SHARP OBJECTS AROUND COILS Use a soft brush or vacuum brush to clean debris from coils Do not puncture coils Do not bend fins Contact an authorized ser vice technician if a coil is punctured cracked or otherwise damaged ICE in or on the coil indicates the refrigeration and defrost cycle 1s not operating properly Contact an authorized service technician to determine the cause of icing and to make adjustments as necessary To maintain product integrity move all product to a cooler until unit has returned to normal operating temperatures CLEANING UNDER MERCHANDISERS Remove splashguards not sealed to floor Use a vacuum with a long wand attachment to remove accumulated dust and debris from under the merchandiser REMOVING SCR
18. e To Install Lower Front Panel 1 Position the lower front panel with the top angled as shown 1n the illustration below 2 The tabs extending from the upper front panel assembly are designed to fit into the slots on the top of the lower front panel 3 Once the top 1s positioned lift the panel up and drop it into the grove at the top of the splashguard SEALING SPLASHGUARD TO FLOOR IF REQUIRED by local sanitation codes or if desired by the customer plastic splashguards may be sealed to the floor using silicone type sealer The amount needed will depend on how much the floor is out of level 1 Remove all dirt wax and grease from the area of the splashguard where adhesion will be necessary to ensure a secure installation 2 Apply a good silicone type sealer along the bottom of the splashguard Sealant must be removed and replaced when servicing INSTALLING OPTIONAL STAINLESS STEEL SPLASHGUARDS The OPTIONAL Stainless steel splashguard 19 also shipped inside the merchandiser AFTER all the merchandisers have been leveled and joined and all drip piping electrical and refrigeration work has been completed install the OPTIONAL Stainless steel splashguard and if appropriate the lower front panel HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Base of Case Splashguard 3 Splashguard 5 1 amp 2 Tab Front Panel 2 Lower Front Panel Lower Front Panel Splashguard Silicone typ
19. e sealer Bracket Medium Temperature 3 4 DRIP PIPING AND SPLASHGUARDS To Install Splashguards 1 Check to be sure that all splashguard brackets are level with the floor 2 Position top of splashguard over the top edge of the bracket as shown below 3 Push the lower edge of the splashguard toward the bottom of the bracket until it snaps into place To Install Lower Front Panel 1 Position the lower front panel with the top angled as shown 1n the illustration below 2 The tabs extending from the upper front panel assembly are designed to fit into the slots on the top of the lower front panel 3 Once the top 1s positioned lift the panel up and drop it into the grove at the top of the splashguard OPTIONAL Stainless steel splashguards may be sealed to the floor using a vinyl cove base trim The size of trim needed will depend on how much the floor is out of level To install the trim to the splashguard 1 Remove all dirt wax and grease from the area of the splashguard where adhesion will be necessary to ensure a secure installation 2 Apply a good contact cement to the cove trim and allow proper drying time accord ing to the directions supplied with the cement 3 Install the trim to the splashguard so that it is lying flush with the floor DO NOT SEAL THE TRIM TO THE FLOOR 4 If required by local health codes the Cove Trim may be sealed to the floor using a silicone type sealer Sealant must be removed a
20. en the front support brackets Silicone Field Supplied Front Detail SPLASHGUARD BRACKET AND JOINT SUPPORT Install Splashguard Bracket Position splashguard brackets to the merchan diser and level to the floor Each bracket has a UL in 38 mm slot at the rear of the bracket where it attaches to the merchandiser Tighten screws to secure the brackets Bracket Base of Case P N 0518258 C Install Splashguard Joint Support Position the joint support across the brackets as shown above Fasten with hex head sheet metal screws OFFSETTING BUMPERS AND TOP RAIL Offsetting the bumpers and top rails helps to disguise the joint locations giving the lineup a smoother look 1 Locate starter bumpers and top rail They are shipped with the left end kit 2 Remove factory installed top rails and bumpers from cases as follows U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C a To remove top rails push rail toward the back of the case with one hand while lifting the top edge off the light channel with the other hand See drawing below b Starting at one end carefully peel bottom of top rail free of color panel and set the rail inside the case c Remove upper and lower bumpers by pulling bumper away from bumper retainers Be careful not to lose the internal joint trims on the upper bumpers 3 Starting at the left end of the line up install the up
21. handiser data sheets are included with this manual The data sheets provide case elec trical data electrical schematics parts lists and performance data Refer to the merchandiser data sheets and case serial plate for electrical information ELECTRICAL CONNECTIONS All wiring must be in compliance with NEC and local codes All electrical connections are to be made n the electrical wireway or Handy Box A CAUTION Optional T8 rail lights and optional Quick Connect spray hose or field installed misting system shall not be used together FIELD WIRING Field wiring must be sized for component amperes stamped on the serial plate Actual ampere draw may be less than specified Field wiring from the refrigeration control panel to the merchandisers 1s required for defrost termination thermostats and for optional refrigeration thermostats When multiple merchandisers are on the same defrost circuit the defrost termination thermostats are wired n series ALWAYS CHECK THE SERIAL PLATE FOR COMPONENT AMPERES IDENTIFICATION OF WIRING Leads for all electrical circuits are identified by colored plastic bands These bands correspond to the color code sticker shown below located inside the merchandiser s wireway WIRING COLOR CODE Leads for all electrical circuits are identified by a colored plastic band neutral wire for each circuit has either White insulation or a White plastic sleeve in addition to the color band RE
22. ith most domestic detergents ammonia based cleaners and sanitizing solutions with no harm to the surface N WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area Medium Temperature 5 2 MAINTENANCE 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 hose on rail lights canopy lights or any other electrical connection N WARNING Do NOT allow cleaning agent or cloth to contact food product P N 0518258_C Do eRemove 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 be taken to the cooler in a timely manner eFirst turn off refrigeration then disconnect electrical power eThoroughly 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 eLift 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 Rinse with hot water but do NOT flood NEV
23. kK OK kK CK kK OK OK CK OOK OK OK K X ANSI Z535 5 DEFINITIONS e DANGER Indicate s a hazardous situation which if not avoided will result in death or serious injury e WARNING Indicate s a hazardous T situation which f not avoided could result in death or serious injury e CAUTION Indicate s a hazardous situation which 1f not avoided could result in minor or moderate injury e NOTICE Not related to personal injury Indicates s situations which if not avoided could result in damage to equipment P N 0518258 C U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C INSTALLATION CAUTION NSF CERTIFICATION These merchandisers are manufactured to meet ANSI National Sanitation Foundation NSF Standard 7 requirements Proper installation is required to 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 ANSUNSF 7 Display Refrigerator Intended for Bulk Produce LOCATION These merchandisers are designed for display ing products in air conditioned stores where temperature 1s maintained at or below the ANSI NSF 7 specified level and relative humidity 1
24. lled drip piping When a 6 ft 1829 mm end merchandiser 1s ordered to be joined to a center case at the factory its waste outlet can also be interconnected as shown A drain piping connect kit 1s required Each merchandiser 1s supplied with a 2 in 51 mm water seal an adapter a plug and a street ell The street ell and water seal must be installed to prevent air leakage and insect entrance into the merchandiser They should be installed as shown below End Case ss O INSTALLING SPLASHGUARDS amp LOWER FRONT PANELS The splashguard and lower front panel are shipped inside each merchandiser AFTER merchandisers have been leveled and joined and all drip piping electrical and refrigeration work has been completed install the splash guard and lower front panel NOTE Merchandisers with low bases do not have lower front panels and require only the installation of splashguards Cleanout Adapter and Plug Standard 6 8or 12 Ft Case 1829 2438 or 3658 mm case NOTE Water seal outlet must clear front skid rail P N 0518258 C U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C To Install Splashguards 1 Check to be sure that all splashguard brackets are level with the floor 2 Position top of splashguard over the top edge of the bracket as shown below 3 Push the lower edge of the splashguard toward the bottom of the bracket until it snaps into plac
25. nd replaced when servicing Cove Trim Base of Case Splashguard Splashguard Lower Front Panel LE Lower Front Panel er Lower Front Panel Splashguard A Cement Base of Case Bracket P N 0518258 C U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C 4 1 START UP OPERATION START UP See the merchandiser s Data Sheet Set for refrigerant settings and defrost requirements Bring merchandisers down to the operating temperatures listed on the data sheet Each four foot section has its own evaporator coil and pre set non adjustable thermostatic expansion valve TEV No adjustment 1s required Do NOT REMOVE THE CAP ON THE TEVS This cap 1s to be removed only for valve disassembly Removal of this cap during case maintenance will result in refrigerant loss unless the system is first isolated and the refrigerant recovered CAUTION REMOVAL OF THE TEV CAP WILL RESULT IN REFRIGERANT LOSS UNLESS THE SYSTEM IS FIRST ISOLATED AND THE REFRIGERANT RECOVERED The TEV has been factory set to provide the recommended performance settings as specified on the merchandiser data sheets LOAD LIMITS Each merchandiser has a load limit decal Shelf life of perishables will be short if load limit is violated AT NO TIME SHOULD MERCHANDISERS BE STOCKED BEYOND THE LOAD LIMITS INDICATED DO NOT BLOCK HONEYCOMB HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U
26. ng of merchandisers operating on the same refrigeration system may be run from case to case DO NOT RUN REFRIGERANT LINES THROUGH MERCHANDISERS THAT ARE NOT ON THE SAME REFRIGERATION SYSTEM BRANCH as this may result in poor refrigeration control and compressor failure HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A N CAUTION When brazing pipes be sure to use the insulation blanket shipped with the merchandiser to prevent damage to the plastic case bottom Interconnecting piping inside the merchandiser must be located as shown below to allow room for lifting the hinged fan plenums and for clearance beneath the display pans Or the interconnecting piping may be run outside the case in the wireway area shown Line Sizing Refrigerant lines should be sized as shown on the refrigeration legend that is furnished for the store or according to ASHRAE guide lines Refer to the information on the next page for branch line piping of Hussmann Equipment Oil Traps P traps oil traps must be installed at the base of all suction line vertical risers Medium Temperature 2 2 REFRIGERATION ELECTRICAL Pressure Drop Pressure drop can rob the system of capacity To keep the pressure drop to a minimum keep the refrigerant line run as short as possible using a minimum number of elbows Where elbows are required USE LONG RADIUS ELBOWS ONLY INSULATION The suction and liquid lines should be clamped or taped together
27. per bumper starter section first To install a Position internal joint trims so that the first is flush to the left end panel and the second 1s centered between the starter bumper and the full length bumper as shown below b Install full length bumpers and internal trims offset across joints Make sure that no gaps exist between sections Continue installing the upper bumpers the length of the Starter line up Do NOT install ZA the last upper bumper sec tion at this time This sec tion will be installed in the last step Rd 4 Install lower bumper starter and full length lower bumpers by simply pushing them into place There are no internal joint trims on the lower bumpers HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Lift f t a vie Step 2 b Pull Upper Bumper Internal Joint Trim Step 2 c Merchandiser Length Bumper Internal Joint Trims 5 Return to the left end of L the line up and position 5 the starter section of the top rail as shown NOTE The top rail should not be installed until the upper bumper is securely in place Medium Temperature 1 8 INSTALLATION 6 Push the bottom portion of the short top rail section down over the color panel It helps if you lift the top with your other hand as shown You will hear and feel the trim snap into place duat t Rii Snap 5 7 Use one hand to push the top rail toward the rear of
28. ponding holes Fasten fronts together using cap screws flat washers lock washers and nuts Tighten only until front panels touch Do not tighten fully Use the cap screws flat washers and lock washers provided in the joint kit to draw the merchandisers together at rear Do not tighten fully Draw canopies of multi deck wall mer chandisers together by inserting threaded rod through top shoe as shown Fasten each end with washers and nuts Tighten only until canopies touch Tighten joints in the order shown A B C D until gaskets are compressed and cases join smoothly PW amp MWG Models 1 2 8 in Gasket 41 mm RD 1 2 in Gasket 13 mm A Ma N U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C 1 5 IMPORTANT e Do not stretch gasket especially around corners e Do not butt gaskets always overlap them as shown Tighten in Order Shown Remove paper backing after gasket has been applied 1 5 8 in Gasket 41 mm SR 1 2 in Gasket PERA Glass Front Detail HUSSMANN CORPORATION BRIDGETON MO 63044 2483 U S A Medium Temperature 1 6 INSTALLATION Seal Merchandisers 1 Apply butyl tape across the bottom joint Be sure to extend the tape up the back and front of the case Butyl Tape N N N N N N N 2 Use field supplied silicone to fill any gaps betwe
29. py and shelf lighting The rail lamp switch 1s located on the rail To gain access 1 DISCONNECT THE ELECTRICAL POWER TO THE MERCHANDISER 2 Remove the lower front panel by lifting it up and out 3 Remove screws attaching the wireway cover then remove cover 4 Service or replace ballast as required Reassemble items as they were originally installed 5 Reconnect the electrical power Lower Front Panel Ballast located inside wireway NU HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A REPLACING DAMAGED DRAIN FITTING The following procedure is for the field repair of a broken drain fitting 1 Usea drill with a 2 in 51 mm hole saw to drill out the bottom of the drain fitting Be sure to drill completely through fitting and bottom liner Drain Fitting Viewed from Inside Merchandiser 2 Apply an ABS and PVC compatible primer sealer to outside of PVC coupling and inside of drain Insert coupling into drain fitting 3 Install a PVC adapter on the drip trap Apply primer sealer to a stub piece of PVC pipe and insert between coupling and adapter Foam Bottom Assembly E a at Modified E Drain Fitting 7 PVC Adapter Stub 1 1 2 x 1 1 4 in Pipe 38 x 32 mm obtained at local building PVC Coupling supply store slip fit 2 in OD 51mm 1 1 4 in ID 82 mm Drip obtained at local Trap building supply store Medium Temperature 6 4 SERVICE REPA
30. re restocking HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Medium Temperature 6 2 SERVICE REPLACING FLUORESCENT LAMPS Fluorescent lamps are furnished with moisture resistant lamp holders shields and end caps Whenever a fluorescent lamp 1s replaced be certain to reinstall the lamp shields and end caps The rail lamp switch is located on the rail Inspect all lamp sockets and plug receptacle connections for signs of arcing Replace any component that shows signs of arcing Make sure all unused receptacles have their close off covers securely attached Plastic Shield Fluorescent SS nn I End Cap P N 0518258_C REPLACING LAMP HOLDERS AND END CAPS The lamp holder s designed to snap into the sheet metal of the case The lamp holder has a locking nub which fits inside the groove of specially designed end caps Hussmann End Cap Groove Nub Hussmann Lamp Holder IMPORTANT Always replace lamp holders and end caps with Hussmann lamp holders and end caps Use of non Hussmann parts may result in poor electrical contact and short lamp life U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C REPLACING ELECTRONIC BALLASTS Rail Lamp Ballast The rail lamp ballast 1s located n the w reway behind the lower front panel at the left hand end of the merchandiser NOTE The switch for the rail lamp 1s separate from the cano
31. re 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 carrier will provide any necessary inspection reports and or claim forms Apparent Loss Or Damage If there s an obvious loss or damage t 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 1s not apparent until after equipment is uncrated retain all packing mate rials and submit a written request to the carrier for inspection within 15 days Medium Temperature 1 2 INSTALLATION A CAUTION Do not store items or flammable materials atop the unit Do not walk on case WARNING Do NOT remove shipping braces until the merchandisers are positioned for installation EXTERIOR LOADING Do NOT walk on top of merchandisers or damage to the merchandisers and serious personal injury could occur THEY ARE NOT STRUCTURALLY DESIGNED TO SUPPORT EXCESSIVE EXTERNAL LOADING such as the weight of a person Do not place heavy objects on the case MERCHANDISERS SHIPPED WITH END INSTALLED If the case was shipped with the end installed two long bolts were used to hold the shipping brace to the end If the shipping bolts are reinserted after removing the brace they will extend into the product area THEREFORE BE SURE TO REPLACE THESE BOLTS WITH THE SHORT ER
32. s maintained at or below 55 Placing refrigerated merchandisers in direct sunlight near hot tables or near other heat sources could impair their efficiency Like other merchandisers these 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 merchandisers Product should always be maintained at proper temperature This means that from the time the product 1s received through storage preparation and display the temperature of the product must be controlled to maximize the life of the product HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Do not walk or put heavy objects on case The exterior frames on these cases provide space for air circulation However in high ambient conditions sweating may still occur If this happens install a method of forced ventilation such as a fan ventilation kit Wide Island Fronts BE SURE TO POSITION WIDE ISLAND MERCHANDISER FRONTS PROPERLY The front of wide island merchandisers 1s readily identified by the location of the serial plate see leveling drawing on next page Since all electrical and refrigeration connections will be made at the front side the fronts will need to be positioned according to the store plan layout SHIPPING DAMAGE All equipment should be thoroughly examined for shipping damage befo
33. supplied silicone sealant to underside of end trim and press firmly in place INSTALLING PARTITIONS To join same temperature fixtures on different defrost cycles an acrylic partition kit 1s required To join unlike fixtures or like fixtures operat ing at different temperatures a 1 in 38 mm partition kit is required Instructions for installing these partitions are included with the kits U S amp Canada 1 800 922 1919 e Mexico 1 800 890 2900 e www hussmann com P N 0518258 C 2 1 REFRIGERATION ELECTRICAL REFRIGERANT The correct type of refrigerant will be stamped on each merchandiser s serial plate The case refrigeration piping is leak tested factory sealed and pressurized Before making refrigeration hookups depress the universal line valve to ensure that coils have maintained pressure during shipment WARNING Refrigeration lines are under pressure and should be depressurized before attempting to make any connections REFRIGERANT PIPING Connection Location The refrigerant line connections are at the right hand end of the merchandiser as viewed from the front beneath the display pans A sticker marks the location of the connection pod The installer must saw a hole through the pod to exit the case After connections have been made seal this outlet thoroughly Seal both the inside and the outside We recommend using an expanding polyurethane foam insulation Multiplexing Pipi
34. the case while using the other hand to snap the top section down over the edge of the light channel as shown vo Snap NOTE The trim must snap to be properly positioned Again be sure it snaps into place gt Push 8 Install full length top rails using the same procedures Continue installing the top rails the length of the line up Do NOT install last section at this time 9 Once all except the last sections of upper bumper and top rail have been installed refrigerate the case line up for at least six 6 hours The last sections of upper bumper and top rail should be kept inside a refrigerated case or cooler during this time This will allow the bumpers and top rails to contract 10 Go to the right end of the line up and tap the top rail and bumpers to close any gaps P N 0518258 C 11 Measure and cut last sections of top rail and bumpers Use a miter box and fine tooth saw to cut last bumpers and top rail to length Install the last sections x Miter Box Note If part of plastic top rail pops loose remove that section of top rail and re install according to Steps 6 and 7 above Trying to reinstall only the popped part may not secure the top rail and may damage the top rail color panel and light channel 12 Remove protective film from bumper and top rail once installation is complete LI 1 11 1 3 GLASS FRONT CASE ONLY Apply field
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