Self Contained Specialty Horizontal Merchandiser
Contents
1. mounted on left side of access panel Be careful not to detach Safe NET III cable from display when removing access panel 7 Safe NET Ill Display SEALING MERCHANDISER TO FLOOR If required by local san tary codes or f the customer desires merchandisers may be sealed to the floor using a vinyl cove base tr m The size needed will depend on how much variation there is in the floor from one end of the mer chandiser to the other Sealing of the lower front and rear panels on self contained models may hamper their removal for servicing or maintenance of the condensing unit NOTE Do not allow trim to cover any intake or discharge grilles located in the lower front panel U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 www hussmann com P N 0515258 D 2 1 ELECTRICAL REFRIGERATION MERCHANDISER ELECTRICAL DATA Refer to Appendix A of this manual or the merchandiser s serial plate for electrical information FIELD WIRING Field wiring must be sized for component amperes stamped on the serial plate Actual ampere draw may be less than specified ALWAYS CHECK THE SERIAL PLATE FOR COMPONENT AMPERES ELECTRICAL CONNECTIONS All wiring must be in compliance with NEC and local codes All electrical connections for remote models are to be made in the electrical Handy Box located behind the removable base panel at the left end of the merchandiser when facing the discharge air2. HUSSMANM Vy 7 v LISTED SHM Medium Temperature Self Contained Specialty Horizontal Merchandiser Installation amp Service Manual NN wr oc P N 0515258 D February 2012 P N 0515258 D iii ATTENTION Merchandiser must operate for 24 hours before loading product Regularly check merchandiser temperatures Do not break the cold chain Keep products in cooler before loading into merchandiser These merchandisers are designed for pre chilled products only IMPORTANT KEEP IN STORE FOR FUTURE REFERENCE Quality that sets industry standards 12999 St Charles Rock Road Bridgeton MO 63044 2483 HuSSmmnnn U S amp Canada 1 800 922 1919 Mexico 01 800 890 2900 www hussmann com O 2012 Hussmann Corporation TABLE OF CONTENTS ANSI DEFINITIONS vi INSTALLATION Certification 53 33 9239708393 RO Raid Ros 1 1 sensor to Control Adjustment 3 6 Hussmann Product Control 1 1 Controls and Adjustments 3 7 3 8 een Shipping Damage 1 1 SULUD Location 229ewx du pus ESTA 196 ua d 1 1 Load Limits wu ban ee eG ee nn 3 8 Self Contained Location 1 2 OCS Sas 3 8 Model Description 1 3 Thermometer cesses 3 8 Unloading eese 1 3 Exterior Loading 1 3 Shipping Skid werds 1 3 M
3. Failsafe Defrost Cycle Terminates at 52 F Compressor uM GREEN REFRIGERATION YELLOW DEFROST RED ALARM DISPLAY 2 The compressor will start after a delay 30 seconds after the power is applied 3 The compressor will continue to run until it reaches its cut out temperature Pulldown 4 The refrigeration cycle will continue for the next subsequent scheduled 12 hours or demand defrost 5 The above process will repeat steps 3 and 4 until the power 1s interrupted The digital display will display the temperature reading for 50 minutes after defrost 6 If power stops the process will start over at step l and the time to subsequent defrost will reset SHM Merchandisers 3 4 START UP OPERATION TEMPERATURE ADJUSTMENT Rotate the adjustment knob counter clockwise for a warmer setpoint or clockwise for a colder setpoint While the temperature is being adjusted the optional display shows the setpoint cut out value A few seconds after the temper ature 1s set the display reverts to showing the sensed temperature in the merchandiser ALARMS AND CODES FLASHING TEMPERATURE OR SENSOR ALARM LED El or E2 If the Temperature or Sensor Alarm LED red on the controller and display 1s flashing a temperature sensor has failed The display shows El if the case sensor has failed or E2 if the evaporator sensor has failed If the merchandiser sensor fails refrigeration will run
4. merchandisers should be thoroughly cleaned all debris removed and the interiors washed down weekly Exterior Surfaces The exterior surfaces must be cleaned with a mild detergent and warm water to protect and maintain their attractive finish NEVER USE ABRASIVE CLEANSERS OR SCOURING PADS Interior Surfaces The interior surfaces may be cleaned with most domestic detergents ammonia based cleaners and sanitizing solutions with no harm to the surface Self contained models empty into a limited capacity evaporation pan which will overflow 1f excess water 1s used in cleaning Do NOT Use Abrasive cleansers and scouring pads as these will mar the finish Coarse paper towels on coated glass Ammonia based cleaners on acrylic parts eSolvent oil or acidic based cleaners on any interior surfaces Do not use high pressure water hoses N WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Do Remove the product and all loose debris to avoid clogging the waste outlet eStore product in a refrigerated area such as a cooler Remove only as much product as can be taken to the cooler in a timely manner Disconnect electrical power before cleaning Thoroughly 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 S
5. 120V Power O 120V NEUTRAL 4 FieLD GROUND Case GROUND P N 0515154 D U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com NS OOS OS OS Tar OS FE p a A duod dura dura quM quida dura quM dua dura quM qui dee Con SNS AE A A AS NB POE NE AS NB PO FO e S de SA v EN PAX gt NAG se R K amp 7 ae BE 9 amp IS we Q EN e To obtain warranty information y x or other support contact your SA 9 Hussmann representative Q0 6S Please include the model and Se Gy serial number of the product 2 e K Q d 5 Hussmann Corporation Corporate Headquarters Bridgeton Missouri U S A 63044 2483 01 September 2011 Q0 9 ee amp NA ve wb ee amp XL tse ai a ah d ai di a a i a a di a FS Fa Fa Fa ur Par uh up SEE SER SEHE AA A AA A CAL OR NC NO Hussmann Corporation 12999 St Charles Rock Road Bridgeton MO 63044 www hussmann com
6. continuously Turn off or repeat a duty cycle of a few minutes on and a few minutes off P N 0515388_D DEFROST TERMINATION SWITCH Merchandisers may use a defrost termination switch instead of an evaporator sensor to terminate a defrost cycle The defrost termination switch 1s temperature activated and senses the completion of defrost Compressor Compressor Off Time If On Time If Sensor Failed Sensor Failed On Compressor or Refrigeration Off On Off On Status Off Time MANUAL DEFROST Note This procedure initiates a manual or forced defrost Z N Warm Cold 1 Note location of knob setting Warm Cold 9 Rotate knob fully counterclockwise until it stops full warm OFF position Warm Cold 3 After 10 seconds but before 20 seconds rotate knob fully clockwise until it stops full cold position IMPORTANT Return the control knob to its original setting Step 1 once the manual defrost has been initiated U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 www hussmann com P N 0515388 D o 4 Safe NET Ill Oi yj HUSSMANN O O 9 I OFF Position Safe NET III Control Set at Full Cold Position o 4 818 Ill yj Hussmann O S O 9 9 Safe NET IIl Control 4 1 Position TEMPERATURE ADJUSTMENT Rotate the adjustment knob counter clockwise for a warmer setpoint or clockwise for a colder setpoint While the temperature
7. evaporator fan remains ON when the adjustment knob is in the Off position DISPLAY The display includes three red LEDs and two digits for temperature defrost status and error codes The three display LEDs are red and their behavior matches the LEDs on the controller Compressor Powered On Defrost Cycle sl Temperature or Sensor Alarm A P N 0515388_D START UP 1 Plug in the merchandiser WARNING The OFF Position does not disconnect line voltage to the case refrigeration unit fan or heater 2 Wait for the self check to complete During the self check each LED flashes for one second then all LEDs turn on for two seconds If the LEDs do not flash make sure the adjustment knob is not in the Off position After the self check all LEDs turn off until the compressor starts There may be a delay before the compressor starts If the red Temperature or Sensor Alarm LED stays on after the self check The green Compressor Powered On LED turns on when the compressor starts NOTE Do NOT load product until AFTER merchandiser operates for 24 hours and reaches desired operating temperature WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 www hussmann com P N 0515388 D Compressor 3 3 Starts SEQUENCE OF OPERATION i SHM Time to Subsequent Defrost Initial Defrost
8. f Th l T 1 l iti Step Pan U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 www hussmann com P N 0515154 D 4 3 CLEANING THERMOMETER Remove the two screws holding the thermometer N W A R N N G to its mounting bracket Remove the sensing element from its clip Clean the element with SHUT FANS OFF DURING water and mild detergent solution Ensure the CLEANING PROCESS sensing element 1s wiped clean of any residue to ensure proper temperature readings A rflow blockage increases energy consump tion and reduces the merchandiser s ability to WA E N N G maintain operating temperature 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 to warm before applying hot water To clean the coils use a vacuum cleaner with a wand attachment and a soft non metallic brush to remove dirt and debris Do not bend coil fins Always wear gloves and protective eye wear when cleaning near sharp coil fins and dust particles CLEANING COILS Condenser coils should be cleaned at least once per month Additional cleaning may be needed depending on the operational environ ment A dirty condenser blocks normal airflow through the coils PCR HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A SHM Merchandisers 4 4 MAINTENANCE CLEANING EVAPORATION PAN SELF CONTAINED ONLY The condensate water
9. louver ELECTRICAL OUTLET Before the merchandiser is connected to any wall circuit use a voltmeter to check that the outlet is at 100 of the rated voltage The wall circuit must be dedicated for the merchandiser Failure to do so voids the warranty Do not use an extension cord Never plug in more than one merchandiser per electrical circuit Always use a dedicated circuit with the amperage stated on the unit Plug into an outlet designed for the plug Do not overload the circuit Do not use long or thin extension cords Never use adapters f 1n doubt call an electrician HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S 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 Self contained models have factory installed power cords NEMA 5 153 attached at the Receptacle electrical box SHM WARNING Risk of Electric Shock If cord or plug becomes damaged replace only with a cord and plug of the same type N WARNING Merchandiser must be grounded Do not remove the power supply cord ground REFRIGERATION Self Contained Models Each self contained model is equipped with its own condensing unit and control panel located beneat
10. mild detergent for the exterior only Do NOT use a chlorinated cleaner on any surface Do NOT use abrasives or steel wool scouring pads these will mar the finish 2 Clean area 3 Apply vinyl or car wax and polish surface for a smooth glossy finish P N 0515154 D U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com P N 0515154 D 5 1 SERVICE N WARNING LOCK OUT TAG OUT To avoid serious injury or death from electrical REPLACING FAN MOTORS AND BLADES Should it ever be necessary to service or replace the fan motors or blades be certain that the fan blades are reinstalled correctly THE BLADES MUST BE INSTALLED WITH RAISED EMBOSSING PART NUMBER ON PLASTIC BLADES POSITIONED AS INDICATED ON THE PARTS LIST For access to these fans Remove product and place in a refrigerated area Disconnect electrical power 2 Remove bottom step pan U2 Disconnect fan from wiring harness 4 If 1t 1s determined that fan motor needs to be replaced remove fan motor brackets from the fan plenum as shown 7 Replace fan motor and or blades Install brackets to fan motor and install motor and bracket to the plenum OO 9 Reconnect fan motor to wiring harness 10 Turn on power 1 Verify that motor is working and blade is turning in the correct direction 12 Reinstall display pans Bring merchandiser to operating temperature before re
11. screw driver compress the honeycomb and remove it from its retainer 2 Clean and dry the honeycomb 3 After cleaning replace in reverse order Damaged honeycomb must be replaced N CAUTION DO NOT FLOOD Use only enough water necessary to clean surface Water must not drip down the case Never use ammonia based cleansers abrasive cleansers or scouring pads P N 0515154 D CLEANING STAINLESS STEEL SURFACES Use non abrasive cleaning materials and always polish with grain of the steel Use warm water or add a mild detergent to the water and 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 CLEANING UNDER STEP PAN Remove all product from the merchandiser and place in cooler Always disconnect electrical power before cleaning l Place a small screw driver between the front grille and step pan Gently lift the step pan s front lip up Grasp the step pan with both hands to remove Always wear gloves when removing step pan 2 Use non abrasive cleaning materials and a mild detergent to clean the step pan 3 Wipe down the insides of the merchandiser with a mild detergent and replace step pan 111 MM u Tun j I i 7 HHH HH HH H I 7 IE
12. 12 Hour or Demand Defrost Ten Minutes After Start Up Pull down Compressor On Compressor runs continuously until it reaches its cut out setting Refrigeration Cycle Maximum Defrost Time 45 Minutes Failsafe Defrost cycle is temperature terminated Defrost initiates ten minutes after start Up Compressor When powered up there will Starts be a delay of 15 sec at start up before the compressor starts ON A SDN Start Up Off Cycle Safe HET Ill 4 GREEN REFRIGERATION YELLOW DEFROST RED ALARM OFF POSITION Safe Net III Controller 1 Apply power to the merchandiser Wait for the self check to complete During the self check each LED flashes for one second and then all LEDs turn on for two seconds If the LEDSs do not flash make sure the adjustment knob is not in the OFF position 1A The merchandiser temperature displays at startup The initial defrost will start after ten minutes 1f the coil 1s colder than 52 E The display will show the temperature before defrost This reading will remain displayed during defrost and for 50 minutes after defrost Even though the refrigeration mode has been initiated The green LED will be lit HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 5 HUSSmAnn 5 Time to Subsequent Defrost 12 Hour or Demand Defrost Refrigeration Pulldown After Defrost d Cycle Compressor ON Maximum Defrost Time 45 Minutes
13. 1s being adjusted the optional display shows the setpoint cut out value HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 3 5 Display at Full Cold Model SHM Display at 1 Position A few seconds after the temperature is set the display reverts to showing the sensed temperature in the merchandiser SHM Merchandisers 3 6 START UP OPERATION Typical Sensor to Control Configuration Black Air Yellow Sheath Evaporator Sensor Defrost Termination Black Evap a Black Sheath BE Air Sensor Display A di LZ p en A Common for GE Both Sensors Yellow Sensor Defrost Termination Evaporator Black Sensor Control Air Control Sensor Black Sheath Evaporator Sensor Defrost Term inserted into the Evaporator Fins or into the Suction Line Yellow Sheath Black Air Sensor 8 Black Evaporator Sensor 9 Q 11 Not Used White 7 Common N Both Sensors 10 _ Detail A P N 0515388_D U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com P N 0515388 D 3 7 CONTROLS and ADJUSTMENTS Refrigeration Controls Product Application Discharge Air Temperature SHM Remote and Self Contained Medium Temp 32 F 38 F Dairy Deli 1 The Safe NET III Controller controls refrig eration temperature This is factory installed in the control panel Adjust this control knob to maintain the discharge air tempe
14. A Frequency hr 12 OFFTIME Failsafe minutes 45 Defrost Termination Temperature 52 F PHYSICAL DATA Refrigerant Charge SHM 3 27 5 oz 1 36 kg SHM 4 30oz 0 85 kg SHM 4BW 320z 0 907 kg SHM Merchandisers A 4 APPENDIX A TECHNICAL DATA Electrical Data Note These are rated values for individual components and should not be added together to deter mine total merchandiser electrical load SHM Number of Fans SW 2 Amperes Watts Evaporator Fans 115V 60Hz Standard 0 6 10 Condensate Pan Heaters 208V 3 350 Condensing Unit 208 230V 1Ph 60Hz Standard SHM 3 Compressor LRA 39 0 Compressor RLA 7 9 SHM 4 Compressor LRA 48 0 Compressor RLA 9 5 Product Data ARI Total Display Area Sq FtlCase SHM 3 6 29 ft case 0 584 m case SHM 4 8 42 ft case 0 782 m case Computed using ARI 1200 standard methodology Total Display Area ft m Unit of Length ft m P N 0515154 D U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com APPENDIX A TECHNICAL DATA A 5 Nominal Refrigerant Hun Nema Fuse HP Type Volts Amps Plugs Amps 34048 ERES ZEN SHM 4BW Requires Field Wiring BW Condensing Unit Rotated 180 ESTIMATED SHIPPING WEIGHT Case SHM 3 SHM 4 End lb kg 350 158 310 140 Included Actual weights will vary according to optional kits included HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A SHM Merchandisers A 6 AP
15. AINTENANCE Merchandiser Leveling 1 4 Optional Legs 1 4 Care and Cleaning 4 serial Plate Location 1 4 DENOTUSE zur susanne 4 1 Refrigeration Unit Access 1 4 DO 10S LELE 4 1 Sealing Merchandiser to Floor 1 4 Removing Scratches from Bumper 4 2 Cleaning Under Step Pan 4 2 Cleaning Discharge Honeycomb 4 2 ELECTRICAL REFRIGERATION Cleaning Stainless Steel Surfaces 4 3 Cleaning Thermometer 4 3 Merchandiser Electrical Data 2 1 Cleaning Coils 4 3 Field Wiring 5440200 EUR 2 Cleaning Evaporation Pan 4 4 Electrical Connections 2 Removing Scratches from Bumber 4 4 Electrical Outlet 2 Refrigeration Self Contained 2 Refrigeration Remote 2 2 SERVICE Line Sizing Remote 2 2 Waste Outlet and Waterseal 2 2 Replacing Fan Motors and Blades 5 1 Replacing Lights 5 2 Replacing Ballast Power Supply 5 2 START UP OPERATION Safe NET III User Instructions 3 1 APPENDIX User Instructions 004 3 1 Display Lus pd E ea aO Ma d 3 2 Part Numbers A 1 SAUD esaer E 3 2 Plan View amp Dimensions A 2 Sequence of Operation Diagram 3 3 Cross S
16. EALING CAUSING LEAKS AND POOR PERFORMANCE Lift hinged fan plenum for cleaning Hook chain in rear panel to secure plenum during cleaning BE SURE TO REPOSITION THE FAN PLENUM AFTER CLEANING MERCHANDISER Take care to minimize direct contact between fan motors and cleaning or rinse water N WARNING Do NOT allow cleaning agent or cloth to contact food product Do NOT flood merchandiser with water NEVER INTRODUCE WATER FASTER THAN THE WASTE OUTLET CAN REMOVE IT SELF CONTAINED MODELS EMPTY INTO AN EVAPORATION PAN THAT WILL OVERFLOW IF TOO MUCH WATER IS INTRODUCED DURING CLEANING e Allow merchandisers to dry before resuming operation eAfter cleaning is completed turn on power to the merchandiser SHM Merchandisers 4 2 MAINTENANCE WARNING LOCK OUT TAG OUT To avoid serious injury or death from electrical shock always disconnect the electrical power at the main disconnect when servicing or replacing any electrical component This includes but is not limited to such items as doors lights fans heaters and thermostats CLEANING DISCHARGE HONEYCOMB Discharge honeycombs should be cleaned every six months Dirty honeycombs will cause merchandisers to perform poorly The honeycombs may be cleaned with a vacuum cleaner Soap and water may be used if all water 1s removed from the honeycomb cells before replacing Be careful not to damage the honeycomb l Using a flat object such as a
17. ED MERCHANDISERS PROPERLY SELF CONTAINED models have vented base panels to allow air circulation through the condensing unit See illustrations for clearances distances from walls merchandisers and any other large objects near the merchandiser s vented base panels Blocking or restricting air flow will adversely affect performance and may damage the refrigeration system SHM 4BW Condensing Unit Rotated 180 6 in lt Air Exhaust ba Zero Clearance at w Maintain 6 in Clearance at Front of Merchandiser SHM 3 and SHM 4 in 24 Air Exhaust Air Intake SS Maintain 24 in Clearance at Front of Merchandiser Maintain 1 in Clearance around Sides and Rear of Merchandiser P N 0515258 D U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com P N 0515258 D MODEL DESCRIPTION SHM merchandisers offer versatility for the display of food items such as fresh fruit vegetables cheeses and other delicatessen items Carefully read and follow the instructions prior to operating the merchandiser UNLOADING Unloading from Trailer Lever Bar also known as a Mule Johnson Bar J bar Lever Dolly or Pry Lever Move the merchandiser as close as possible to its permanent location and remove all packaging Check for damage before discarding packaging Remove all separately packed accessories such as kits and shelves N CAUTION Do not walk or put h
18. PENDIX A WIRING DIAGRAM SHM 3 SHM 4 SHM 4BW SELF CONTAINED Use this equipment on a ground system only using copper clad or aluminum conductors only Use minimum 75 C wire for ampacity determination crankcase heaters must be connected only to its rated voltage WARNING Unplug merchandiser before attempting For 115 volt connect neutral to terminal R Over current protection device rating and type must be in accordance with regulatory agency end product approvals See System Nameplate to make any electrical connections Protector u 00 00 BK 111111 C m S R Condenser 1 2 Fan M FAN Compressor BK en BK Relay an N W U LS W sarim Condensate BK C3 PAN Pan W EVAPORATOR OPTION KIT R LED OPTION FAN u qw amp BL z EP E H ZR BL gk 3 OF g W 7 SWITCH Bil A BK W W rR CAP END MAIN SWITCH Electrical Specifications H BK u Voltage 115 V Frequency 60 HZ 15V Phase 1 WARNING All components must have mechanical ground and the merchandiser must be grounded CIRCLED NUMBERS PARTS List ITEM NUMBERS R Red Y Yellow G Green BL Blue BK Black W White e
19. U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com P N 0515258 D 1 1 INSTALLATION CERTIFICATION These merchandisers are manufactured to meet ANSI National Sanitation Foundation NSF Standard 7 requirements Proper installation 1s 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 ANSI NSF 7 Display Refrigerator Intended for Bulk Produce HUSSMANN PRODUCT CONTROL The serial number and shipping date of all equipment is recorded in Hussmanns files for warranty and replacement part purposes All correspondence pertaining to warranty or parts ordering must include the serial number of each piece of equipment involved This 1s to ensure the customer s provided with the correct parts SHIPPING DAMAGE All equipment should be thoroughly examined for shipping damage before and during unloading This equipment has been carefully inspected at our factory Any claim for loss or damage must be made to the carrier The car rier will provide any necessary inspection reports and or claim forms HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Apparent Loss or Damage If there is an obvious
20. andisers are to be set to see if it is a level area Determine the highest part of the floor N WARNING Do NOT remove shipping crate until the merchandiser is positioned SHM Merchandisers 1 4 INSTALLATION MERCHANDISER LEVELING BE SURE TO POSITION MERCHANDISERS PROPERLY Level the merchandiser by all four corners Merchandiser s must be installed level to ensure proper operation of the refrigeration system and to ensure proper drainage of defrost water Optional leg levelers can be provided for this purpose OPTIONAL LEGS NSF approved legs replace the leg levelers if required by local health codes The legs raise the case 6 inches for cleaning purposes An optional skirt kit can be provided to snap on the legs SERIAL PLATE LOCATION The serial plate 1s located on the interior left wall of the merchandiser It contains all pertinent information such as model serial number amperage rating refrigerant type and charge This information will be needed to install service or order parts for the merchandiser Te P N 0515258 D REFRIGERATION UNIT ACCESS The lower access panel may be removed by lifting the panel straight upward and over the screws on which it 1s hanging The panel is installed by reversing the above procedure Ensure lower access panel s flat against the floor when installed to prevent air circulation problems on self contained merchandisers Lift up and out to remove access panel
21. defrost water in the pan may overflow CAUTION When brazing pipes be sure to use the insulation blanket shipped with the merchandiser to prevent damage to the metal merchandiser bottom U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 www hussmann com P N 0515388 D START UP OPERATION TY gen INSTALLER It is the contractor s responsibility to install merchandiser s in accordance with all local building and health codes Safe NET II TEMPERATURE AND DEFROST CONTROLLER SAFE NET III V USER INSTRUCTIONS Your refrigerated case uses a Hussmann Safe NET TI temperature and defrost controller to precisely maintain the tempera ture and prevent frost buildup on the cooling coil LEDs indicate when the compressor or refrigeration 1s on when the case is in a defrost cycle if the temperature is outside the desired range or if there 1s a sensor failure An adjustment knob allows the temperature to be set within the configured range and can power off the controller and compressor Your controller has been custom configured to pro vide the best temperature and defrost control for your chilled or frozen food Adjustment Knob Compressor Powered On green Defrost Cycle yellow Temperature or Sensor Alarm red Warm Off Position Position Cold Position HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A The front of the controller has an adjustment knob and s
22. eavy objects on case Improper handling may cause damage to the merchandiser when unloading To avoid damage l Do not drag the merchandiser out of the trailer Use a Johnson bar mule 2 Usea forklift or dolly to remove the merchandiser from the trailer EXTERIOR LOADING Do NOT walk on top of merchandisers or damage to the merchandisers and serious personal injury could occur MERCHANDISERS ARE NOT STRUCTURALLY DESIGNED TO SUPPORT EXCESSIVE EXTERNAL LOADING such as the weight of a person Do not place heavy objects on the merchandiser HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A SHIPPING SKID Each merchandiser is shipped on a skid to protect the merchandiser s base and to make positioning the case easier Do not remove the shipping skid until the merchandiser is near its final location The skid provides protection for both the merchandiser and the floor Remove the skid by raising one end of the merchandiser approximately 6 inches Block the merchandiser securely and remove the two skid bolts from the raised end Replace the bolts with provided leg levelers Repeat this procedure at opposing end Once the leg levelers are secured in place the merchandiser may be slid off the skid and placed in its final location DO NOT TILT MERCHANDISER ON ITS SIDE OR END WHEN REMOVING SKID Once the skid is removed the merchandiser must be lifted NOT PUSHED to reposition Check floor where merch
23. ection View amp Data A 3 Temperature Adjustment 3 4 Electrical Data amp Product Data A 4 Alarms and Codes 3 4 Electrical Cont amp Shipping Weight A 5 Defrost Termination Switch 3 4 SHM Self Contained Case Wiring A 6 Manual Defrost wo acorn 6 44 45 40 eae kis 3 4 Full Cold and 1 Position 3 5 WARRANTY HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A SHM Merchandisers vi REVISION HISTORY REVISION D FEBRUARY 2012 l Changed NEMA plug 2 Removed Remote Case setup instructions REVISION C JANUARY 2012 1 Added LED Light Bars 2 Removed Remote Models 3 New Wiring Diagram SHM 3 SHM 4 REVISION B DECEMBER 2010 1 Revised defrost settings Page 3 3 2 Changed Defrost Frequency 2 Page 3 7 3 Revised defrost settings Page A 3 ORIGINAL ISSUE NOVEMBER 2010 Wow woe 4e we we wo Ww Ww wow www www vewe ANSI Z535 5 DEFINITIONS DANGER Indicate s a hazardous situation which if not avoided will result in death or serious injury WARNING Indicate s a hazardous situation which if not avoided could result in death or serious injury CAUTION Indicate s a hazardous A situation which f 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 P N 0515258 D
24. erchandisers A 2 APPENDIX A TECHNICAL DATA sm DRAIN REFRIGERATION OUTLET ELECTRICAL OUTLET 26 5 s 30 5 8 c 676 778 LU TEN n Z 1 3 8 Z 13 s g 39 2 340 E 3 76 3 76 3 5 e 92 3 5 e 92 B MODEL A B SHM300 SHM400 General Case Length Note Includes One Pair Ends Sft 68 5 8 1737 10ft 3353 Optional End Bumpers One Pair 2 51 2 51 Maximum O S dimension of case back to front 43 1 2 1105 87 2210 Note Includes bumper Width of skid rail 9 5 s 244 19 1 4 488 Waste Outlet LH end of case from outside of End Assembly 33 1 2 851 67 1702 to center of waste outlet P N 0515154 D U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com APPENDIX A TECHNICAL DATA Dimensions shown as inches and mm 42 7 g 1089 7 178 2 1 2 64 25 635 1 30 5 s 778 25 17 3 s 635 441 HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A REFRIGERATION DATA Note This data is based on store tempera ture and humidity that does not exceed 75 F and 55 R H unless otherwise stat ed Schedule defrost at night while lights are off SHM SHM 3 SHM 4 Thermostat Setting CIJCO F Position 1 37 30 37130 Position 7 37 14 37 14 Condensing Unit hp 1 3 1 2 Condensing Unit Capacity 2300 355 Btu hr at std rating conditions DEFROST DAT
25. h the display area The merchandiser refrigeration piping is leak tested The unit is charged with refrigerant and shipped from the factory with all service valves open SHM Merchandisers 2 2 INSTALLATION REFRIGERATION Self Contained Models Continued SHM 3 self contained merchandisers use R 404a refrigerant SHM 4 self contained merchandisers use R 134a refrigerant All models have a hermetic compressor The systems employ capillary tubes for refrigerant flow control The capillary tube 1s soldered to the suction line pull out coil for proper heat exchange If the capillary should become plugged or damaged it is best to replace the heat exchanger N WARNING Refrigeration lines are under pressure Refrigerant must be recovered before attempting any connection or repair P N 0515258_D WATER OUTLET AND WATER SEAL The condensate water outlet is located in the center of the merchandiser The outlet has a factory installed external water seal For self contained models this water seal drains into the condensate evaporator pan located beneath the merchandiser The pan uses a thermistor that senses water in the pan and adjusts the amount of heat required to evaporate the water Ensure the drain hose is properly trapped and the drain area is not clogged NOTE All lower base panels must be in place when the refrigerator is operating If not air flow from the condenser will be directed over the evaporator pan and
26. il merchandisers are at proper operating temperature Allow merchandiser 24 hours to operate before loading product P N 0515388 D WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area 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 prod uct 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 Do not allow product to be placed outside of the designated load limits in the illustration THERMOMETER A solar powered thermometer 1s provided with each merchandiser Temperature display in Fahrenheit degrees 1s standard Celsius display is available as an option The thermometer is located in the cabinet interior in the top left hand rear corner Do not allow product to block return air grille U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 www hussmann com P N 0515154 D 4 1 MAINTENANCE CARE AND CLEANING Long life and satisfactory performance of any equipment is dependent upon the care it receives To ensure long life proper sanitation and minimum maintenance costs these
27. loss or damage it must be noted on the freight bill or express receipt and signed by the carrier s agent otherwise carrier may refuse claim Concealed Loss or Damage When loss or damage is not apparent until after equipment is uncrated retain all packing materials and submit a written response to the carrier for inspection within 15 days LOCATION These merchandisers are designed for displaying products in air conditioned stores where temperature 1s maintained at or below the ANSI NSF 7 specified level and relative humidity is maintained at or below 55 Recommended operating ambient temperature is between 65 F 18 C to 75 F 23 9 C Maximum relative humidity is 55 Placing refrigerated merchandisers in direct sunlight near hot tables or near other heat sources could impair their efficiency Like other merchandisers these merchandisers are sensitive to air disturbances Air currents passing around merchandisers will seriously impair their operation Do NOT allow air conditioning electric fans open doors or windows etc to create air currents around the merchandiser SHM Merchandisers 1 2 INSTALLATION SELF CONTAINED LOCATION Product should always be maintained at proper temperature This means that from the time the product is received through storage preparation and display the temperature of the product must be controlled to maximize the life of the product BE SURE TO POSITION SELF CONTAIN
28. outlet for self contained models empties into a limited N CAUTI O N capacity evaporation pan Evaporation Pan is Hot Debris or dirt accumulation inside the condensate evaporation pan or on the heater coil will reduce the pan s evaporation capacity and cause premature heater failure The evaporation pan waste water will overflow and spill onto the floor if the heater is not properly operating and poses risk of bodily injury Always Wear gloves and protective eye wear when servicing Turn off evaporation pan heater and allow pan to cool Remove accumulated debris from the evapora tion pan Wipe down heater coil with a cloth and warm water Be sure to remove any dirt debris or liquids from the heater coil c Water introduced during cleaning will cause UOS the evaporation pan to overflow REMOVING SCRATCHES FROM BUMPER Most scratches and dings can be removed using the following procedure 1 Use steel wool to smooth out the surface area of the bumper PRECAUTION CLEANING PRECAUTIONS When Cleaning Do not use high pressure water hoses Do not introduce water faster than waste outlet can drain NEVER INTRODUCE WATER ON SELF CONTAINED UNIT WITH AN EVAPORATION PAN NEVER USE A CLEANING OR SANITIZING SOLUTION THAT HAS OIL BASE these will dissolve the butyl sealants or an AMMONIA BASE this will corrode the copper components of the merchandiser TO PRESERVE THE ATTRACTIVE FINISH Use a water and a
29. rature shown Measure discharge air temperatures at the center of the discharge honeycomb HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Defrost Controls Failsafe Time Minutes Temp Termination Defrost Frequency per day Type of Defrost Defrosts are time initiated and temperature terminated for self contained and remote The defrost setting is factory set as shown above To ensure a thorough defrost defrost must be terminated by the temperature termination setting not by time SHM Merchandisers 3 8 START UP OPERATION START UP Follow the Sate NET III start up procedures as detailed in Section 3 of this manual A thorough inspection should be made prior to start up to ensure there are no loose nuts bolts electrical connections or refrigeration lines rubbing or chaffing Turn the power switch to the ON position Allow the system to reach normal operating temperature prior to loading any product The merchandiser cabinet has a forced air curtain that flows over the top of the product Air flows out of the honeycomb diffuser across the product and into the return air duct LOAD LIMITS Each merchandiser has a load limit decal Shelf life of perishables will be short 1f load limit is violated LOAD LIMIT AT NO TIME SHOULD MERCHANDISERS BE STOCKED BEYOND THE LOAD LIMITS INDICATED DO NOT BLOCK HONEYCOMB STOCKING Product should NOT be placed inside the merchandisers unt
30. stocking WARNING Product will be degraded and may spoil if allowed to sit in a non refrigerated area HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A 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 Fan Motor 4 Bracket SHM Merchandisers 5 2 SERVICE REPLACING LIGHTS There 1s a convenient ON OFF switch located on the light bar This switch only controls the lights ALWAYS disconnect electrical power when replacing lights or lighting parts A WARNING Fluorescent lamps contain mercury vapor Mercury exposure at high levels can harm SHM merchandisers are available with optional the brain heart kidneys lungs and immune LED lights The bulb 1s sleeved to protect the lights from damage If these bulbs need to be replaced slide the prongs clear of the lamp system of people of all ages Do not break or puncture fluorescent lamps Dispose of or store all fluorescent lamps in accordance holder Ensure that the prongs on the replace with Federal 40 CFR 273 State and local ment bulb twist and lock into place hazardous waste requirements Refer to http www epa gov mercury about htm REPLACING BALLAST POWER SUPPLY LED fixture replacement follows the same steps as fluorescent bulbs However LED fix
31. tatus LEDs The back of the controller has connections for sensors and switched equipment The Safe NET III controller includes the following features and connections Adjustment knob Adjusts the temperature setpoint Turn adjustment knob to OFF to turn off refrigeration system Unplug merchandiser from power before servicing the unit Case Temperature Sensor Evaporator Temperature Sensor Sensor and Switch Common E _ Defrost Termination Switch optional Interface Box and Copy Card TTL Connector Compressor Heater E72R only Fan E72R only Controller LEDs 3 Compressor Powered On LED green Lights while the compressor is running or the refrigeration valve 1s open Defrost Cycle LED yellow Lights while the refrigeration coil 1s defrosting 9 Temperature or Sensor Alarm red Lights if the temperature is too warm or too cold Flashes if a sensor fails SHM Merchandisers 3 2 START UP OPERATION Rear connections Case temperature sensor Typically senses the temperature of the air in the case Used by the controller to determine when to power on or power off the compressor or refrigeration Evaporator temperature sensor e Senses the temperature of the refrigeration coil Terminates a defrost cycle when refrigeration coil ice melts Compressor or refrigeration relay e Switches on the compressor or refrigeration valve for cooling WARNING The optional
32. tures have the sleeve built in as a single assembly The LED power supply is also located in the condensing unit electrical box P N 0515154 D U S amp Canada 1 800 922 1919 e Mexico 01 800 890 2900 e www hussmann com APPENDIX A TECHNICAL DATA A 1 DOE 2012 Hussmann refrigerated merchandisers configured for sale for use in the United States meet or Energy Efficiency surpass the requirements of the DOE 2012 energy efficiency standards Compliant Item Part Description FAN ASSEMBLIES AND THERMOSTATS 5W Standard Fan Assembly MO 4410828 Fan Assembly 115V FB 4780800 Fan Blade CT 4483051 Safe Net III Controller CC 448299 Defrost Sensor Yellow CC 4482992 Air Sensor Black CC 4482540 Safe Net III Display F EP 4482541 Safe Net III Harness EP 19S216 Power Cord HEATERS HE 19S678 Condensate Pan Heater 350W 115V HE 19S678 Condensate Pan OPTIONAL LIGHT BAR TP 4482388 Light Bar Fluorescent SHM 3 TP 4482391 Light Bar Fluorescent SHM 4 BU 4441801 LED Fixture for Light Bar SHM 3 BU 4441800 LED Fixture for Light Bar SHM 4 HUSSMANN CORPORATION e BRIDGETON MO 63044 2483 U S A Item Part CONTROL PANEL SW 4440546 CC 4481520 SW 4441070 REFRIGERATION EQ 4671186 EQ 4671183 FI 4611347 TM 4910245 Description Disconnect Switch 25Amps Compressor Relay Pressure Control Condensing Unit Assembly SHM 3 Condensing Unit Assembly SHM 4 Drier Solar Thermometer SHM M
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