hussman P/N 0420057_B User's Manual
Contents
1. Insulation in this area to be notched Screw SM 8 18 x 3 8 as needed for wire harness routing Truss Head 3 required Connect after routing wiring through case Y Isolated Ground Sticker e fo N SS LH If required NC 3 4 Bushing LH Upright Convenience Outlet Wireway Harness C Receptacle Scale Stand Upright Cover Screw SM 28 18 x 2 9 Hex Head 9 2 required Rear Door Center Trim Install strain relief connector where Communication Cable exits scale stand assembly Use plug button if Communication Cable i not required Communication Cable Route cable with 12 in outside the strain relief connector in the scale stand HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A Service Merchandisers 1 12 INSTALLATION Case d Wireway Heceptacle AN oto KE Ak d BIC Harness Mount Junction Box at this location when scale stand is mounted at Center Mullion Route Communication Cable to Junction Box as shown Coil excess cable in Junction Box Communication Cable 6 NOTE RECEPTACLE HARNESS WIRING MUST HAVE INSULATION SLEEVE INSTALLED PRIOR TO ROUTING Leaving about 12 inches of harness hang out of case route receptacle harness wiring from the 3 4 in bushing down the LH upright wireway through hole and into case wireway NOTE COMMUNICATION CABLE WIRING CAN BE ROUTED SIMILARLY 7 Install the rear door center trim with 3 4 in bushing by routing wire2. HUSSMANN NSF I M PAC T merchandisers Service Merchandisers Fresh Meat Delicatessen and Seafood Merchandisers Includes Wedge Installation NSF Certified M eo e f Installation amp dX ui Operation Manual lt Shipped with Technical Data Sheets P N 0420057_B Impact Series July 2008 P N 0420057 B CONTENTS INSTALLATION Merchandiser Electrical Data 2 4 NSF Ceniication 2212 o2 36e RES ids 1 1 Electrical Connections 2 4 Location ue xe EG CEU RC Ro Eu URLs 1 1 Field Wiring NEEN RR RE 2 4 Front Glass Caution 1 1 Identification of Wiring 2 4 Shipping Damage 1 2 Wiring Color Code 2 cece cece eee 2 4 Apparent Loss or Damage 04 1 2 Concealed Loss or Damage 1 2 Exterior Loading aaan 1 2 DRIP PIPING AND SPLASHGUARDS Merchandisers Shipped with End Installed 1 2 Waste Outlet and Water Seal 3 Shippin Braces 23s pc REX E 1 2 Installing Drip Piping 3 1 Shipping Rider C a SE R E ER H A t 1 2 Installing Splashguards and Cage Leveling Lud EXER AERA 1 3 Lower Front Panels 3 2 Preparation iens a R T eek ead ds 1 3 Assembly Diagram 3 3 Leveler Adjustment 1 4 Installing Bottom Rear Panel 3 4 Glass Positioning nna 1 5 Adjustment Bolt llus 1 6 Joining Instructions aana 1 8 START UP OPERATION Installin
3. Field wiring from the refrigeration control panel to the merchandisers is required for defrost termi nation thermostats and for optional refrigeration thermostats When multiple merchandisers are on the same defrost circuit the defrost termina tion thermostats are wired in 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 raceway 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 REFRIG 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 CASE MUST BE GROUNDED P N 0420057_B U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 3 1 DRIP PIPING AND SPLASHGUARDS WASTE OUTLET AND WATER SEAL The waste outlet 1s located in front of the fan plenum 6 ft 1829 mm from the left hand of the merchandiser facing case front
4. T R Ta d E L ITSF H LOT re a ral P N 0420057 B ELECTRICAL SERVICE RECEPTACLES The receptacles located on the exterior back of the merchandisers are intended for scales and other light duty appliances that are found in meat and delicatessen departments The receptacles are not intended for large motors REPLACING FLUORESCENT LAMPS Fluorescent lamps are furnished with moisture resistant lamp holders and end caps Lamps on lighted shelves have plastic shields Whenever a fluorescent lamp is replaced be certain to re install the plastic shields and end caps Plastic Shield Fluorescent Lamp IND p SS de End Cap A CAUTION Fluorescent lamps contain mercury vapor Mercury exposure at high levels can harm the brain heart kidneys lungs and immune system of people of all ages Do not break or puncture fluorescent lamps Dispose of or store all fluorescent lamps in accordance with Federal 40 CFR 273 State and local hazardous waste requirements Refer to http www epa gov mercury about htm HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A 6 3 REPLACING LAMP HOLDERS AND END CAPS The Hussmann Impact lamp holder is 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 Groove Impact End Cap S gt Nub Hussmann Impact Lamp Holder IMPORTANT Alway
5. break between flood rim of the floor drain and outlet of drip pipe To meet code on low base merchandisers it may be necessary to install a field supplied drip pipe reducer An alternative 1s to cut the last section of drip pipe at an angle 6 Prevent drip pipes from freezing A Do NOT install drip pipes in contact with uninsulated suction lines Suction lines should be insulated with a non absorbent insulation material B Where drip pipes are located 1n dead air spaces such as between merchandisers or between a merchandiser and a store wall provide means to prevent freezing Note To prevent condensation problems the water seal should be insulated Service Merchandisers 3 2 DniP PIPING AND SPLASHGUARDS INSTALLING SPLASHGUARD AND LOWER FRONT PANEL Make certain that the end assemblies end splashguards and end panels have been installed according to the End Kit instruction The splashguard and lower front panel are shipped inside each case After merchandisers have been leveled and joined and all drip piping electrical and refrigeration work has been completed install the splashguard and lower front panel 1 At front of merchandiser attach a splashguard retainer bracket to each leg with sheet metal SCICWS 2 Position top of splashguard over the top edge of the retainer bracket as shown below Retainer Bracket Splashguard Splashguard P N 0420057_B 3 Push the lower edge o
6. doors lights fans heaters and thermostats STEP 4 Unplug shelves and close receptacle caps then STEP 2 Turn off refrigeration remove shelves STEP 3 Shut power off Note that refrigeration controls and power controls are not in the merchandiser Consult the store legend or facility manager P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 5 3 STEP 8 Lift out interior back panel L 5 d U R 8 STEP 5 Remove display pans LP II s W 2 STEP 6 Lift out display pan support STEP 9 Lift out upper shelf supports s mm m mmm mm a i a H LN m om momo PZ E E S L STEP 7 Lift out discharge air grille STEP 10 Lift out lower shelf supports HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A Service Merchandisers 5 4 MAINTENANCE STEP 11 Lift out return air grille from front SR THU LL LL Lud anunum OR Unplug fan harness STEP 12 Rotate fan plenum up and back hook chain at rear of liner Lift fan plenum up and back to remove view 1s from the back MEA Soran S rnd Pr Py ES ee bk GE P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B Ss STEP 13 Remove drip trays STEP 14 Clean inside the m
7. harness through 4 in bushing and attach with 8 truss head screws 8 Reposition top over rear door center trim and attach using 8 truss head screws 9 Reposition scale stand and attach using 8 truss head screws 10 Install scale stand upright cover with 8 blunt tip sheet metal screws 11 Connect wiring to power in wireway 12 Restore power Check for proper operation P N 0420057 B Some stores specify an isolated ground for scale stand convenience outlets If required apply the following solated ground sticker to scale stand solated ground tag to ground wire in case wireway U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 2 1 REFRIGERATION ELECTRICAL REFRIGERANT The correct type of refrigerant will be stamped on each serial plate The case refrigeration piping is factory sealed pressurized and leak tested Before making refrigeration hookups depress universal line valve to ensure that coils have maintained pressure during shipment A WARNING Refrigerant vapor is hazardous to your health and can cause death Avoid breathing refrigerant and lubrication vapor or mist Exposure may irritate eyes nose and throat If accidental system dis charge occurs ventilate work area before resuming service Always wear safety goggles and protective gloves when working with refrigerants Contact with refrigerant may cause injury Disconnect hoses
8. liner To do this the stainless steel trim and foam noted in Step 8 must be removed 8 Remove stainless steel trim pieces and foam insulation on each side of the door frame HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A 1 7 STAINLESS PHILLIPS TRUSS vp e JI S SCHTER HEAD STAINLESS STEEL J P SCREW TRIGA dee T INSULATION P IBIDER TRIM ha E d SS L EU i y K lt d 9 The set screw and adjusting bolt are now accessible The set screw must be backed out before turn ing the adjusting bolt 1 8 inch set screw The set screw serves as a positive stop The adjusting bolt should be turned no more than a half turn before inspecting glass posi tion and operation e Turning the adjusting bolt clockwise will raise the front glass s Turning the adjusting bolt counter clockwise will lower the front glass Once the glass position is set tighten the set screw positive stop ADJUSTING BOLT 10 Once glass is positioned and operating correctly re install components and hard ware removed Note the door frame is designed to have a tight fit A putty knife between the top of the frame and the insulated panel will help guide it into position Service Merchandisers 1 8 INSTALLATION 11 Re apply caulk or silicone as required 12 Verify glass is positioned and operating cor rectly SS Ir JOINING INSTRUCTIONS Sectional construction means that two or
9. 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 prevent formation of ice or condensation Refer to the detailed information provided in the separate Joining Instruction shipped with each case INSTALLING COIL COVER AND DRIP TRAY Each gravity coil in these service merchandisers has a 4 ft 1219 mm stainless steel coil cover and molded plastic drip tray A condensate drip tube is factory installed Pivot Support Adjusting Bolt Set Screw o Positive Stop Check the drip tray for obvious damage before installation Damaged or leaking drip trays must be replaced Remove any loose debris and clean the drip tray before installing Coil cover hooks and drip tray hooks are factory installed at the front and back in each gravity coil Hanging holes are formed in the cover and drip tray Coil Cover Drip Tube Connection P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B From the back of the case hang the coil cover from the top hooks then position the drip tray in the case with the drip tube connection to your right Hang drip tray on two back hooks and two front hooks Back Front Drip Tray Connect installed copper drip tube to drip tray using flexible connector supplied Ensure condensate flows freely from drip tray through drip tube Check the drip
10. personal fall arrest systems Do you have the appropriate personal protective equipment PPE for working at height safety harness lanyard Will you be working on roofs with unpro tected edges If yes make sure actions are taken to prevent a fall 1 e 1dentification of adequate anchor points for safety harnesses CONFINED SPACE WORK Will you be working in any confined spaces If yes have you received appropriate training A confined space has limited means of entry egress 1s not designed for human occupancy and is large enough for bodily entry Is permit required confined space entry required If yes have appropriate steps been taken for safe entry such as permit issuance If in doubt DO NOT ENTER and inform the client P N 0420057_B ELECTRICAL LOTO Does the project require you to work with live electricity If yes have you received appropriate training Do you have appropriate locks and tags to de energize or isolate the electrical supply REMOTE AND LIMITED USE LOCATIONS Is there the potential to contact poisonous plants ivy oak or sumac If yes make sure you wear proper PPE gloves long pants and long sleeves Check for snakes vermin and bees wasps If stung or bitten do you have reactions that require medical treatment such as Epinephrine EpiPen If yes inform the client prior to starting work Veo e ve we Ve X RR RR RR RR RR RR X de X X ESE ANSI Z535 5 DEFINITIONS DANGER Indic
11. to preceding paragraphs 2 Is the glass handle installed correctly Verify the glass is bottomed out the length of the handle A bowed handle indicates the glass may not be bottomed out at the center of the handle The handle must be removed before it can be repositioned The handle is held in place with silicone which must be completely removed from the handle and the glass Remove the handle by pulling it away from the glass do not use tools to pry this loose A damaged or bent handle must be replaced Apply new silicone into the handle and firmly press onto the glass GLASS MUST BE BOTTOMED OUT IN HANDLE 3 Is the glass seated in the clamp hardware correctly Verify glass is bottomed out in clamp hardware If the glass is not bottomed out in the clamp hardware it can be re positioned as follows HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A on GLASS MUST BE BOTTOMED OUT d __ IN CLAMP HARDWARE A Remove the glass and clamp hardware from the case by opening the glass and loosening set screws in hinge Metric 3 millimeter set Screws OPEN GLASS AND BOOSEN 2 SET SCREWS TO ALLOW GLASS AND CLAMP HARDWARE TO SLIDE T SRT SCREW AT EACH HINGE B Slide the glass and clamp hardware to the side out of the hinges and lay them on an appropriate work surface Note adjacent glass must be closed C Loosen the 8 set screws on the underside of the clamp hardware D Push the clam
12. to Right Hand Side of Case Facing Front of Case Wrap Board Panel Screw 8 x 2 S PHIL AB SMS 3 required for each bracket Screw 4 20 x 0 75 in Flange Thread Cutting 8 required for each bracket Bracket Adj TEE 2 required C racket Spacer TR A 2 required Screw 4 20 x 0 5 in Hex Head Zinc Plate 2 required for each bracket N Mounting Holes Wrapping Board Assembly for Mounting to Center of 12 Ft Case or Mounting in Positions Other Than Left Right or Center of Case Facing Front of Case 9 Replace wireway cover 10 Restore power U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 WWW HUSSMANN COM P N 0420057 B Installing Optional Scale Stand MOA 0458960 1 Turn off power to case 2 Determine location by positioning the scale stand on the rear of the case between door frames 3 Using holes in scale stand bracket as a template mark hole locations on rear and top of case 4 Remove scale stand Drill s inch diameter pilot holes through metal liners at the marked locations Screw SM 8 18 x 3 8 Truss Head Case Wireway NOTE METAL LINERS ARE LESS THAN 1 8 INCH THICK DO NOT DRILL BEYOND METAL LINERS 5 Move top panel away from back of case Remove center rear door trim and remove LH Upright wireway cover to allow routing of receptacle harness
13. 429971 C 10 2007 HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A Service Merchandisers 4 4 START UP OPERATION Important Please read This thermometer is provided in response to United States Food and Drug Administration US FDA Food Code http www fda gov National Sanitation Foundation NSF ANSI Standard 7 http www nsf org Each installation will be different depending on how the unit is stocked shopping patterns in the department and ambient conditions of the store The suggested loca tions provided herein are possible locations It is the responsibility of the purchaser user to determine the location within the food storage area of the unit that best meets the code requirements above The thermometer may need to be moved several times to find the warmest location Mounting options include flexible plastic for price tag molding application magnet applied to back of flexible plastic for steel end wall and double stick tape Tape must not be exposed after installation Questions about either code should be addressed to local agencies or other appropriate officials Keep with merchandiser or give to store manager DO NOT DESTROY P N 0420057 B U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B o 1 MAINTENANCE A WARNING CARE AND CLEANING Long life and satisfactory performance of any equipment is dependent upon the care it
14. D SERVICE Replacing Fan Motors and Blades 6 1 Removing Polycarbonate Lamp Covers 6 2 Electrical Service Receptacles 6 3 Replacing Fluorescent Lamps 6 3 Replacing Lamp Holders and End Caps 6 3 Replacing Electronic Ballast 6 4 Replacing Cylinders Single Pane Glass 6 5 Replacing Single Pane Front Glass 6 6 Replacing Glass Hand Grip 6 7 Hinge Hardware sess 6 7 Repairing Aluminum Coils 6 8 Refrigerant Warning 6 8 WARRANTY REVISION HISTORY Revision B 1 Updated image pages 1 1 2 1 2 3 3 4 and 4 2 2 Updated flexible wiper gasket information page 1 6 3 Added section for removing protective film from bumper page 1 10 4 Added NSF Thermometer pages 4 4 and 4 5 5 Updated acceptable water temperature pages 5 1 and 5 5 6 Added information on cleaning anti reflective glass page 5 6 7 Updated WARNING CAUTION and NOTICE boxes through out 8 Added Optional Wrapping Board page 1 9 9 Added Optional Scale Stand page 1 11 10 Added Call Center telephone numbers to bottom of each page Revision A 1 Added leveling detail beginning on page 1 3 P N 0420057_B Veo Xe ve we Ve X RR RR RR RR RR RR X de X X de 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
15. N 0420057_B A WARNING Refrigerant vapor is hazardous to your health and can cause death Avoid breathing refrigerant and lubrication vapor or mist Exposure may irritate eyes nose and throat If accidental system dis charge occurs ventilate work area before resuming service Always wear safety goggles and protective gloves when working with refrigerants Contact with refrigerant may cause injury Disconnect hoses with extreme caution All hoses may contain liquid refrigerant under pressure Be sure that any room where you are working is thoroughly ventilated especially if a leak Is suspected Read all safety information regarding the safe handling of refrigerant and refrigerant oil includingthe Material Safety Data Sheet MSDS sheets can be obtained from your refrigerant supplier Refrigeration lines are under pressure and should be depressurized before attempting to make any connections When brazing pipes be sure to use the insulation blanket shipped with the merchandiser to prevent fire or damage to the plastic case bottom Ca amp 5 s LA To ob M RY M W warranty information Gi M er support contact your G u G Be NM representative SA PN ase include the model and Q serial number of th oe e product Gi te OG G PN E es a S E s SS eo we
16. ORPORATION Bridgeton MO 63044 2483 U S A A 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 reen Service Merchandisers 6 2 SERVICE For access to ambient fans 1 Turn off power 2 Remove lower front panel 3 Disconnect fan from wiring harness 4 Remove screws holding motor and grille 5 Replace fan motor and grille 6 Reconnect fan to wiring harness Turn power on 7 Verify that motor is working and blade is turning in the correct direction 8 Replace lower front panel er lep i s eg E 4 N E EL ee ie POS y uU ay bey p 0 n L m Me d P N 0420057 B REMOVING POLYCARBONATE LAMP COVERS The canopy and rail covers are removed without tools Apply pressure as shown in the photos until the cover clears the retainer then pivot out of the retainer Reinstall in reverse order Canopy Fixture From the front of the case grasp the cover with both hands Pull forward until the back of the cover clears the retainer then rotate down and out Rail Fixture From the front of the case grasp the cover with both hands Pull forward and up until the back of the cover clears the retainer Tie RPS aa d Wd d i i TI
17. RT UP See the specific merchandiser s Data Sheet Set for refrigerant settings and defrost requirements Bring merchandisers down to the operating temperatures listed on the data sheet Each 4 ft 1219 mm section has its own evapo rator coil and pre set non adjustable thermostatic expansion valve TEV No adjustment 19 required DO NOT REMOVE THE CAP ON THE TEVs This cap is to be removed only for valve disassembly A 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 NOTICE Do not put heavy objects on case STOCKING Product should NOT be placed in merchandisers until case 1s at proper operating temperature Proper rotation of product during stocking 1s necessary to prevent product loss 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 product packages signs etc to block these grilles Do not use non approved shelving baskets display racks or any accessory that could hamper air curtain performance LOAD LIMITS Each merchandiser has a load limit decal LOAD LIMIT Recommended load limit profiles are shown on the next page Shelf life of perishables will be short if load limit is violat
18. allowing drip piping to be run under the fixture lengthwise A 11 2 in 38 mm water seal is supplied with each fixture The water seal must be installed to prevent air leakage and insect entrance into the fixture A tee adapter ell and plug have been shipped to allow field installation to determine direction of drain NOTES Water seal outlet must clear front skid rail PVC DWV solvent cement is recommended Follow the manufacturer s instructions INSTALLING DRIP PIPING Poorly or improperly installed drip pipes can seriously interfere with the operation of these merchandisers and result in costly maintenance and product losses Please follow the recommen dations 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 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 s in per foot 3 mm per 300 mm HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A 4 Avoid long runs of drip piping Long runs make it impossible to provide the pitch necessary for good drainage 5 Provide a suitable air
19. ate s a hazardous situation which if not avoided will result in death or serious injury WARNING Indicate s a haz ardous situation which if not avoided could result in death or serious injury CAUTION Indicate s a hazardous A situation which if not avoided could result in minor or moderate injury NOTICE Not related to personal injury Indicates s situations which if not avoided could result in damage to equipment U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 1 1 INSTALLATION 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 certi fied 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 LOCATION These merchandisers are designed for displaying products in air conditioned stores where tempera ture is maintained at or below the ANSI NSF 7 specified level and relative humidity 1s main tained at or below 55 Placing refrigerated merchandisers in direct sun light near hot tables or near o
20. ator during defrost periods U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 2 3 Offtime Defrost 8 Ft Case 12 Ft Case 2438 mm 3658 mm 8 Ft Case 12 Ft Case 2438 mm 3658 mm li ET Liquid Line REFRIGERATION THERMOSTAT The optional refrigeration thermostat bulb 19 located in the discharge air of the evaporator The optional refrigeration thermostat 1s located behind the exterior rear panel DEFROST TERMINATION THERMOSTAT The standard disc type defrost termination thermostat 1s not adjustable This thermostat is clamped to the inlet of the coil on the left hand facing front end of the case HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A S Thermostat Standard Defrost Termination Service Merchandisers 2 4 REFRIGERATION ELECTRICAL MERCHANDISER ELECTRICAL DATA Merchandiser data sheets are shipped with this manual The data sheets provide case electrical 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 in the electrical raceway or Handy Box FIELD WIRING Field wiring must be sized for component amperes stamped on the serial plate Actual ampere draw may be less than specified
21. djustment Position the first case at the highest point Set a long level 4 ft 1220 mm or more on the upper front panel of the case Use an open end wrench to turn leg levelers until the case 1s level from end to end and from front to back Check all 6 legs on 8 ft 2438 mm cases or 8 legs on 12 ft 3658 mm cases Level on Upper Front Note To avoid removing concrete flooring begin lineup leveling from the highest point of the store floor MINIMUM HEIGHT Adjustable 7 _ Maximum Leg Leveler HAC HEIGHT Fe Attention to glass position is critical during the leveling process Adjusting leg levelers will affect the position of the glass Make certain that the glass is square with the case avoiding interference with other glass and case ends N C TI CE Do not adjust glass until case is level In many instances proper leveling will align glass without further adjustment If the glass 1s still out of alignment refer to the following G ass Positioning instructions CAUTION To prevent injury from falling glass during adjustment one Leg person must support glass 1 L3 while a second person makes adjustments P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B GLASS POSITIONING Check the following to improve opening or clos ing of the case front glass 1 Has the case been leveled according
22. e product and all loose debris to avoid clogging the waste outlet e Store 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 Turn off refrigeration then disconnect electrical power e Thoroughly clean all surfaces with mild detergent and water 105 to 140 F 40 to 60 C DO NOT USE STEAM OR HIGH WATER PRESSURE HOSES TO WASH THE INTERIOR THESE WILL DESTROY THE MERCHANDISER S LINER AND SEALS CAUSING LEAKS AND POOR PERFORMANCE e Lift or remove fan plenum for cleaning Hook chain in rear panel to secure plenum during cleaning Be sure to reposition the fan plenum after cleaning merchandiser e Take care to minimize direct contact between fan motors and cleaning or rinse water e Rinse with water but do NOT flood NEVER INTRODUCE WATER FASTER THAN THE WASTE OUTLET CAN REMOVE IT e Allow merchandisers to dry before resuming operation e After cleaning is completed turn on power to the merchandiser Service Merchandisers 5 2 MAINTENANCE INTERIOR CLEANING STEPS NOTICE LOCK OUT TAG OUT To avoid serious injury or death from electri Product will be degraded and may spoil if allowed to sit in a non refrigerated area cal 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 STEP 1 Remove product to cooler
23. ed Overstocking will adversely affect product temperature and merchandiser efficiency DO NOT BLOCK AIR GRILLE A CAUTION At no time should merchandisers be stocked beyond the load limits indicated Improper stocking can cause poor because it could lead to structural damage HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A performace that results in spoiled food Service Merchandisers 4 2 START UP OPERATION LOAD LIMIT PROFILES INSTALLING FDA NSF REQUIRED THERMOMETER This requirement does not apply to display The following pages provide the same informa refrigerators intended for bulk produce refer tion that ships with the thermometer to page 1 1 Please note that the tape cannot be exposed after installation P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 4 3 TUN Ma NEN KEEN US FDA Food Code Impact Merchandisers Required Thermometer Acrylic Package Guard Facing Out Thermometer Hussmann Part TM 4911251 Hussmann Corporation 12999 St Charles Rock Road Bridgeton MO 63044 2483 U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e www hussmann com 2007 Hussmann Corporation Double Stick Tape ke Come End Panel C Shelf Price Tag Molding Return Air Grille Flexible Plastic Fits in Price Tag Moldings Suggested Mounting Locations in Multi deck Merchandisers Hussmann P N 0
24. erchandiser Separate lower end of flexible connector from Once interior parts have been removed collect drip tube see page 1 4 Lift and rotate tray as loose debris for removal Do not clog waste necessary to clear front and back hooks outlet STEP 15 Clean and sanitize according to Hand wash drip trays Sanitize drip trays and Health Code requirements drip tubes Use paper toweling to dry inside and outside of trays before reinstalling 105 140 F 40 60 C HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A Service Merchandisers 5 6 MAINTENANCE STEP 16 Reassemble in reverse order REMOVING SCRATCHES FROM BUMPER Turn on power then refrigeration Make certain merchandiser has cooled to operating temperature before restocking Most scratches and dings can be removed using the following procedure Use steel wool to smooth out the surface area of the bumper 2 Clean area 3 Apply vinyl or car wax and polish surface for a smooth glossy finish CLEANING ANTI REFLECTIVE GLASS Anti Reflective Glass While the anti reflective coatings are durable they are susceptible to scratching if abrasive materials are used for cleaning Once the glass surfaces are scratched it is impossible to restore the original finish Special care must be taken to prevent damage when cleaning the glass Anti reflective glass can be cleaned with clear water or any non alkaline detergent However it is ver
25. ess on the front glass Leveling and adjustment procedures begin on Page 1 3 Service Merchandisers 1 2 INSTALLATION NOTICE Do NOT remove shipping braces until the merchandisers are positioned for installation Frames may be damaged SHIPPING DAMAGE All equipment should be thoroughly examined for shipping damage before and during unload ing 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 1s 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 19 not apparent until after equipment is uncrated retain all packing materi als and submit a written request to the carrier for inspection within 15 days A WARNING Do not stand or walk on top of case because falling off could cause serious personal injury EXTERIOR LOADING Do NOT walk on top of merchandisers or damage to the merchandisers and serious person al injury could occur Merchandisers ARE NOT STRUCTURALLY DESIGNED TO SUPPORT EXCESSIVE EXTERNAL LOADING such as the weight of a person Do not place heavy objects on the case P N 0420057 B MERCHANDISERS SHIPPED WITH END INSTALLED If the case was shipped with the end ins
26. f 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 in the illustration Tabs extending from the upper front assembly are designed to fit into the slots on the top of the lower front panel 2 Once the top is positioned lift the panel up and drop it into the groove at the top of the splashguard Do not use additional fasteners or sealant to hold splashguards or panels in place To meet NSF cleanability requirements splashguards and panels must be removable without tools Lower Front Panel U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 3 3 RH End Panel End Bracket End Retainer RH End Splashguard and Corners Front Splashguard Retainer Bracket End Kit 3 for 8 ft 4 for 12 ft Splashguard 620 om d COO tre O Od A o Z E OO E O CO Sa Ss ug us TL Q T X JA 0 HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A Service Merchandisers 3 4 DniP PIPING AND SPLASHGUARDS INSTALLING BOTTOM REAR PANEL For fixed installation 1 Align slots in bottom rear panel with center of legs 2 Drive a hex head sheetmetal screw through each slot into each leg P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 4 1 START UP OPERATION STA
27. g Coil Cover and Drip Tray 1 8 Slate ID deus d iade deb ceases 4 Removing Protective Film from Bumper 1 9 ree eA PI 4 Installing Optional Wrap Board 1 9 Load E 2cveis RS oe rSn nonen ces 4 Installing Optional Scale Stand 1 11 Load Limit Profiles 4 2 Installing FDA NSF Required Thermometer 4 2 REFRIGERATION ELECTRICAL e EE 2 Refrigerant Piping 2 1 MAINTENANCE Connection Location 22 roodo eis e AS 2 1 Care and Cleaning uuo coo Rege 5 I EH ste dece U ev ER VE des d 2 EE SUIACES ouis Sale REI eC EE 5 Ee EE 2 2 Int rtor Surfaces EE e Ee ERR 5 Tte S EEN 2 2 DoNOMOSE 55 22 act SEES RUE MED 5 OI TEADS tegmas Rodos 5 ee AEN 2 2 DO USE Auson temas Note Bas eee 5 Press re Diop eege 2 2 Interior Cleaning Steps 5 2 INSULATION adiac de ok Back Bees 2 2 Removable Parts 5 3 SUCHOD ING xu Drehen 2 2 Fan Plenum 5 4 Liquid Line danse eae cae ge 2 2 Dip ay ERIS QUT OE 5 5 Control Settings 24 csse ERR RET 2 2 Removing Scratches from Bumper 5 6 Refrigeration Thermostat 2 3 Defrost Termination Thermostat 2 3 CONTINUED ON PAGE Iv IMPORTANT KEEP IN STORE FOR FUTURE REFERENCE Quality that sets industry standards This merchandiser is NSF certified HUSSMmAnN 12999 St Charles Rock Road e Bridgeton MO 63044 U S A s 314 291 2000 FAX 314 298 4767 iV CONTENTS CONTENTS CONTINUE
28. if not avoided could result in death or serious injury 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 U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B SAFETY There are two main hazard areas that service technicians may encounter on a day to day basis They are working within close proximi ty to the public and personal safety Before starting work review these hazards by com pleting the following checklist WORKING NEAR THE PUBLIC KEEPING THE PUBLIC OUT The following techniques reduce the risk of injury to third parties shoppers store employees etc Cordon off all work areas with cones cau tion tape warning signs and or barricades Maintain a work area of at least five feet from the public Is a second person required to prevent the public from entering the work area when the work area cannot be adequately cordoned off HAZARDOUS MATERIALS Can the public be exposed to any chemi cals refrigerants or fumes If yes can steps be taken to eliminate or reduce the risk of expo sure to guard against accidental release of refrigerants make sure the work area 19 ade quately cordoned off instead of posting a WET FLOOR sign use CAUTION tape to prevent the public fr
29. in a raised position have the cylinders replaced Each front curved glass section weighs special hand tool about 40 Ib 18 kg To prevent glass l Ng Cylinder from falling during installation use or Removal maintenance and causing injury to Tool customers or personnel Hussmann recommends one person hold the glass in a raised position while the other P N 0425326 person performs cylinder replacement Support the front glass at all times until cylinder is replaced or the glass is low ered NOTICE Cylinders are a wear item They are designed e to support the glass when fully open e to allow the glass to come down or close slowly Have your Service Contractor replace the cylinders when required When cylinders need to be replaced the lifting force of the cylinder must be known The lifting force can be determined by the data printed on the cylinder being replaced The following shows the part number for the 300N and 400N cylinders 300N Cylinder P N 0412539 AN CAUTIO N 400N Cylinder P N 0406925 Removing a Cylinder Cylinder rods must point down so oil will lubricate the rod and seals Failure to lubricate will severely shorten cylinder life HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A Service Merchandisers 6 6 SERVICE REPLACING SINGLE PANE FRONT GLASS Requires more than one person N WARNING Once set screws are loose the glass and glass clamp have NO suppo
30. inside the merchandiser must be located as shown below to allow room for lifting the hinged fan plenums and for clear ance beneath the display pans The intercon necting piping may be run outside the case Display Pan Service Merchandisers 2 2 REFRIGERATION ELECTRICAL Line Sizing Refrigerant lines should be sized as shown on the refrigeration legend that 1s furnished for the store or according to ASHRAE guidelines 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 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 and insulated for a minimum of 30 ft 9144 mm from the merchandiser Additional insulation for the balance of the liquid and suction lines is recommended wher ever 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 line size e Case suction lines should enter at the top of the branch line A S
31. nd four fastening points P N 0412538 Used on 90 inside wedge 45 outside and inside wedge 30 inside wedge Note This hinge assembly when used on the 90 and 45 inside wedge uses only two cylinders Type Four cylinders and five fastening points P N 0413170 Used On 90 outside wedge Service Merchandisers 6 8 SERVICE REPAIRING ALUMINUM COIL The aluminum coils used in Hussmann merchan disers 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 in 1 rod at 732 F 389 C X Ergon Acid core at 455 F 235 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 ALUMINUM 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 P
32. o raise or lower the glass This allows for improvements in the glass operation and sealing The following outlines how to access the adjustment bolt The top must be free to move as the adjustment bolt is turned 1 Loosen joining or end bolts at top of case 2 at each end of case LOOSEN END OR CASE JOINING BOLT LOOSEN END OR CASE JOINING BOLT 2 If caulk or silicone has been applied between case joints or ends in the top area it must be removed 3 Remove rear doors P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 4 Remove screws at top of rear door frame The bottom screws do not need to be removed REMOVE 2 SCREWS AT TOP OF DOOR FRAME T IN DOOR TRACKS 2 3 E p Lun vm se ll T 5 Pull back the top of the door frame approxi mately 2 inches This will allow clearance for removal of the stainless steel top liner and trim pieces PULL TOP OF DOOR FRAME BACK ANDREMOVE TOR STAINLESS STEEL LINER mw 6 Some models have a Phillips truss head screw holding the stainless steel liner to the trim These screws are visible from the rear of the case to the side of the door frame These must be removed 7 Remove stainless steel top liner by grabbing the rear flange and pulling back Note It 1s possible to access the adjusting bolt by using a small swivel socket without removing the stainless top
33. om entering the area Are wet floors going to create a slip haz ard for pedestrians If yes be sure to post WET FLOOR signs and establish a schedule for clean up as soon as the work 1s complete 2008 HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A ELECTRICAL HAZARDS Are all live electrical hazards protected from public access 1 e de energized locked out or cordoned off Is proper signage in place Do light bulbs need to be replaced If yes will high work be conducted from a ladder or a scissor lift Make sure the work area 1s cor doned off as shown below A CAUTION Fluorescent lamps contain mercury vapor Mercury exposure at high levels can harm the brain heart kidneys lungs and immune system of people of all ages Do not break or puncture fluorescent lamps Dispose of or Store all fluorescent lamps in accordance with Federal 40 CFR 273 State and local hazardous waste requirements Refer to http www epa gov mercury about htm Service Merchandisers U S amp CANADA 1 800 922 1919 e MEXICO 1 800 522 1900 e WWW HUSSMANN COM vi CONTENTS PERSONAL SAFETY Over 909 of accidents are due to human error or from complacency about the job This checklist 1s provided to remind you of the potentially hazardous conditions at the job site WORKING AT HEIGHT Will you be working more than six feet off the ground If yes have you received appro priate training 1 e ladder scissor lifts and
34. p hardware onto the glass until bottomed out E The clamp hardware must overhang the glass by an equal amount on each side F Tighten set screws and re install on case Service Merchandisers 1 6 INSTALLATION 4 Is the glass hitting the end or adjacent glass Slowly open and close the glass to inspect If the glass 1s hitting the end or adjacent glass it may not be positioned correctly from left to right This can be adjusted as follows CLAMP HARDWARE Loosen the 2 screws holding the hinge to the clamp hardware Metric 3 millimeter screws e Slide the clamp hardware to either side as needed Tighten the screws and check glass for proper operation 5 Is the glass still hitting adjacent glass Slowly open and close the glass to inspect Optional Flexible Wiper Gasket There may be an optional flexible wiper gasket that is attached to each side These are designed to overlap each other sealing the gap between the glass and allowing side to side glass adjust ment After all glass has been adjusted as defined in Step 4 the flexible portion of one gasket at a joint may be trimmed with a razor knife Be sure that the remaining wiper gasket seals the gap Verify proper operation Optional Flexible Wiper Gasket Glass ADJUSTMENT BOLT If the glass still does not open or close correctly adjustment of the top frame may be necessary This case is equipped with an adjustment bolt at the top rear of the case t
35. receives To ensure long life proper sanitation and minimum maintenance costs these mer chandisers should be thoroughly cleaned all debris removed and the interiors washed down at least weekly Exterior Surfaces The exterior surfaces must be cleaned with a mild domestic detergent and warm water to protect and maintain their attractive finish NEVER USE ABRASIVE CLEANERS OR SCOURING PADS Do NOT USE AMMONIA BASED CLEANERS ON ACRYLIC PARTS Interior Surfaces The interior surfaces may be cleaned with most domestic detergents ammonia based cleaners and sanitizing solutions with no harm to the surface Removable parts are labeled REMOVE FOR CLEANING Removable stainless steel parts may be cleaned and sanitized in dishwasher See next page for detailed direction NOTICE Product will be degraded and may spoil if allowed to sit in a non refrigerated area N CAUTION Do NOT use HOT water on COLD glass 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 HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A Prevent injury ALWAYS SHUT POWER OFF during cleaning process Do Not Use Abrasive cleansers and scouring pads as these will mar the finish A hose on lighted shelves or submerge the shelves in water e Solvent oil or acidic based cleaners on any interior surfaces Do e Remove th
36. remove the rider remove screws attaching each leg to rider Remove screws holding rider cross members then slide cross members out from between sides Once cross members are out slide the sides out CASE LEVELING Merchandisers must be installed level to ensure proper operation of the refrigeration system and to ensure proper drainage of defrost water During all steps of setting joining and leveling cases close attention to glass position and operation must be maintained Please review all steps and photos before making any adjust ments DO NOT make any glass adjustments until individual case is set and level Preparation Using store blueprints measure off and mark on floor the exact dimensions locations of the case footprint HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A 4 Leg Snap a chalk line for the front and rear positions of the base legs Mark the location of each joint from front to back lines FLOORS ARE NOT LEVEL When working with two or more cases to be joined the whole lineup must be leveled on the same plane left to right and front to back This means that the entire lineup must be brought up to the level of the highest case in the lineup Along the lines previously marked find the highest point of the floor by e Walking the floor and noticing any dips or mounds Using a string level and Using a transit Service Merchandisers 1 4 INSTALLATION Leveler A
37. rt or retain ers Support the front glass at all times until the top glass clamp and set screws are secured or glass is removed 1 Raise the front glass to open completely 2 Loosen all set screws along the inside bottom of the glass clamp Note All cylinders do not have to be removed to remove the glass IMPORTANT When reinstalling glass be certain that 1 Gasket is on glass evenly 2 Glass bottom is fully in retainer 3 When set screws are tightened glass is firmly held in place by the glass clamps P N 0420057_B Fully Engage Glass in Clamp Gasket P N 0420057 B REPLACING GLASS HAND GRIP The hand grip 1s fastened to the curved glass as shown below A 2 inch 51 mm bead of silicone needs to be placed 3 inches 76 mm from each end and in the center of the hand grip The duct tape 1s placed on the glass to provide a tight fit 3 3 in 10 mm of Duct Tape on Each Side of Bottom Duct Tape Edge of Glass Glass 3 3 in 10 mm Start 2 in 51 mm Silicone Bead 3 in 76 mm 3 in From Each End 76 mm lt Glass Grip HINGE HARDWARE Type Two cylinders and one fastening point P N 0401884 Used on 8 ft and 12 ft 2438 mm and 3658 mm parent cases and as a joining bracket HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A 6 7 Type Two cylinders and three fastening points P N 0407352 Used on 30 outside wedge Type Three cylinders a
38. ructural members 7 Securely fasten brackets to case 8 Adjust wrapping board as needed The attach points for hinging brackets on wrapping board is determined by which position the assembly is to be mounted Refer to figures for LH RH or Center mounting positions P N 0420057 B 8 969 for 36 in Board 8 656 for 48 in Board 8 969 for 36 in Board 8 656 for 48 in Board REF REF 3 25 0 125 in REF Diameter Drill 6 additional holes 0 5 in deep if not already existing in wrapping board Bottom View of Wrap Board Panel Screw 8 x 2 PHIL AB SMS 3 required for each bracket Screw 4 20 x 0 75 in Flange Thread Cutting 8 required for each bracket Bracket Adj 2 required S Bracket Spacer Screw 1 4 20 x 0 5 in Ni a Hex Head Zinc Plate Mounting Holes 2 required for each bracket Wrapping Board Assembly for Mounting to Left Hand Side of Case Facing Front of Case Wrap Board Panel Screw 8 x1 2 PHIL AB SMS 3 required for each bracket oN x M gt KID it Screw 4 20 x 0 75 in Flange Thread Cutting L 8 required for each bracket Bracket Adj i 2 required Bracket Spacer 2 required Screw 1 4 20 x 0 5 in Hex Head Zinc Plate 2 required for each bracket Mounting Holes Wrapping Board Assembly for Mounting
39. s 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 Service Merchandisers 6 4 SERVICE REPLACING ELECTRONIC BALLAST Lamp Ballast The lamp ballast are located in the raceway behind the back lower panel at the left hand end of the merchandiser facing rear of case NOTE The switch for the lamp 1s located in this panel To gain access 1 Disconnect the electrical power to the mer chandiser 2 Remove the left lower rear panel 3 Service or replace ballast as required Reassemble items as they were originally installed 4 Reconnect the electrical power Light Switch Below P N 0420057 B A 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 Ballast Located Behind This Panel P N 0420057 B 6 5 REPLACING CYLINDERS SINGLE PANE GLASS Raise the front glass to open completely A WARN NG 2 Use special hand tool shown in photo to compress and remove cylinder Check each glass section monthly to determine if support cylinders are worn Note Cylinders cannot be removed without and need to be replaced If the glass does not stay
40. talled two long bolts were used to hold the shipping brace to the end If the shipping bolts are re inserted after removing the brace they will extend into the product area Therefore be sure to replace these bolts with the shorter bolts provided Refer to the detailed 1nformation provided in the separate End Kit Instruction shipped with each end 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 fixture as close as possible to its per manent location and then remove all packaging and shipping braces Check for damage before discarding packaging Remove all separately packed accessories such as kits and shelves Remove all nut retainers used with shipping braces NSF certification requires the use of ANSI Standard nuts and bolts with not more than two 2 threads showing after installation SHIPPING RIDER Each case is shipped on a rider to protect factory installed legs and to make positioning the case easier Remove the rider after the case has been positioned Note Once the rider is removed the case must be lifted NOT PUSHED to reposition U S amp Canada 1 800 922 1919 Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 1 3 Cross Members Sides Screws each leg Screws Shipping Rider two each end for 8 ft Case of each cross member To
41. ther heat sources could impair their efficiency Like other merchandisers these are sensitive to air disturbances Air currents passing around merchandisers will seriously impair their opera tion 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 Bridgeton MO 63044 2483 U S A CAUTION Read before raising front glass to prevent injury from broken or falling glass The top cylinders which allow the raising and lowering of this glass have been carefully installed and tested for the proper tension before shipment However during shipment and stor age the lubricant inside the cylinders may have settled This settling can cause excessive or uneven tension on the glass to the point of breakage To avoid any damage please do the follow ing before completely raising the front glass 1 Slowly raise and lower each glass section 6 times to a height of 6 in 152 mm 2 Increase the height to about 12 in 305 mm and raise and lower the glass 6 times 3 Then raise the glass to the full extension and lower This should release any settled lubricant in the cylinders and prevent any str
42. tube connec tion for leaks before stocking Drip Tray Connector HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A 1 9 REMOVING PROTECTIVE FILM FROM BUMPER Remove protective film from bumper once installation is complete Installing Optional Wrap Board MOA 0470438 1 Turn off power to case 2 Determine location by positioning the wrap board on the rear of the case between door frames Rear View of Case Location of Backups 7 562 7 874 7 874 7 562 12 Ft 36 717 40 193 36 717 8 Ft 36 668 36 668 6 Ft 24 656 24 656 4 Ft 33 125 Notes 1 All dimensions given in inches 2 For location of Backups on cases with add on wedge start measuring from the square end of the case opposite the wedge end Use corresponding case size dimensions 3 For location of Backups on 7 Ft cases facing rear of case use 6 Ft case dimensions on the left and 8 Ft case dimensions on the right Service Merchandisers 1 10 INSTALLATION 3 Align the assembly on the back of the case as shown below 4 Using holes in wrapping board bracket as a template mark hole locations on rear of case 5 Remove wireway cover make sure there are no wires behind hole locations 6 Drill s inch 0 1875 diameter holes for three 4 20 thread cutting screws through stain less steel and st
43. uction Line Return P N 0420057 B 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 SE Liquid Line Take Off CONTROL SETTINGS Merchandiser Technical Data Sheets TDS are shipped with this manual The TDS provide case control settings and defrost data An evaporator pressure regulator or EPR primary control and a 3 5 F 1 7 2 7 C differential thermostat secondary control must control refrigeration temperature The EPR must be set to maintain the proper saturated evaporator temperature as listed in the data sheets The thermostat must be set a couple degrees colder than the discharge air tempera ture specified in the data sheets The thermostat will prevent product freezing should the EPR temperature drift downward during reduced load periods lights off lower ambient The thermostat will be wired to control the com pressor motor contactor single compressor or a liquid line solenoid valve parallel compressor systems Defrost is Off Time Defrost control settings are listed 1n the data sheets When these merchan disers are connected to parallel compressor systems a suction stop valve must be used to isolate the evapor
44. with extreme caution AII hoses may contain liquid refrigerant under pressure Be sure that any room where you are working is thoroughly ventilated especially if a leak Is suspected Read all safety information regarding the safe handling of refrigerant and refrigerant oil including the Material Safety Data Sheet MSDS sheets can be obtained from your refrigerant supplier Refrigeration lines are under pressure and should be depressurized before attempting to make any connections When brazing pipes be sure to use the insulation blanket shipped with the merchandiser to prevent fire or damage to the plastic case bottom HUSSMANN CORPORATION Bridgeton MO 63044 2483 U S A 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 Piping of cases operating on the same refrigera tion system may be run from case to case Do NOT RUN REFRIGERANT LINES THROUGH CASES THAT ARE NOT ON THE SAME REFRIGERATION SYSTEM BRANCH as this may result in poor refrigeration control and compressor failure Interconnecting piping
45. y important to use a soft cloth a micro fiber cleaning cloth or a wet sponge Never use the following types of materials to clean glass with anti reflective coatings Coarse Paper Towels e Scouring Pads or Powders e Steel Wool or Steel Fiber Materials e Blades e Acidic or highly Alkaline detergents s Fluorine based detergents P N 0420057 B U S amp Canada 1 800 922 1919 e Mexico 1 800 522 1900 e WWW HUSSMANN COM P N 0420057 B 6 1 SERVICE REPLACING FAN MOTORS AND BLADES See cross section for location of evaporator fans Should it ever be necessary to service or replace the fan motors or blades be certain that the fan blades are re installed correctly THE BLADES MUST BE INSTALLED WITH RAISED EMBOSSING PART NUMBER ON PLASTIC BLADES POSITIONED AS INDICATED ON THE PARTS LIST Refer to the case data sheet for each model For access to evaporator fans 10 Turn off power Remove bottom display pans Disconnect fan from wiring harness Lift fan plenum out of case Place on stable work surface Remove screws holding fan basket to plenum Fan blade may be removed after fan assembly is removed from plenum Remove screws holding bottom of motor to fan basket Replace fan motor and blade in fan basket Reinstall fan basket in plenum and reinstall plenum in case Reconnect fan to wiring harness Turn power on Verify that motor is working and blade is turning in the correct direction HUSSMANN C
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