hussman Q1-DC User's Manual
Contents
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4. 10 Glass Replacement and Adjustment Instructions 10 Electrical Wiring Diagrams 11 Wiring Diagrams Appendices Appendix Temperature Guidelines Refrigerated 32 Appendix B Application Recommendations Refrigerated 32 Appendix Field Recommendations Refrigerated 32 Appendix D Recommendations to User Refrigerated 33 This Booklet Contains Information on Q1 DC refrigerated service deli merchandiser Shipping Damage equipment should be thoroughly examined for shipping damage before and during unloading This equipment has been carefully inspected at our factory and the carrier has assumed responsibility for safe arrival If damaged either apparent or concealed claim must be made to the carrier Apparent Loss or Damage If there is an obvious loss or damage it must be noted on the freight bill or express receipt and signed by the 5 agent otherwise carrier may refuse claim The carrier will supply necessary claim forms Concealed Loss or Damage When loss or damage is not apparent until after equipment is uncrated a claim for concealed damage is made Make request in writing to carrier for inspection within 15 days and retain all packaging The carrier will supply inspection report and required claim forms Shortag
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9. 6 Expansion Valve Adjustment 6 Measuring the Operating 6 Thermostat rain 6 Electrical iscenirao 6 Winng Color Code 6 Electrical Circuit 4 6 Field Wiring and Serial Plate Amperage 6 Ballast LOCatOm 6 Wiring and Serial Plate 7 Color Code 7 Finishing 2 222 7 Bumper Installation Tips 7 Installing SplasShQuard 7 User 7 LOCKING ila 7 Important rai 8 5 8 Cleaning Glass and Mirrors 8 Non Glare Gl SS nar rucice ari 9 Plexiglass and Acrylic 9 A 9 5 9 kiinan 10 Replacing Fluorescent Lamps 10 Evaporator 10 E li sla 10 Tips and Troubleshooting
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17. NOT USE ABRASIVES OR STEEL WOOL PADS AS THESE WILL MAR THE FINISH 0508 User Information Cont d Non Glare Glass The high optical clarity of this glass is possible due to special coatings on the glass surface itself To preserve this coating and the optical clarity keep the glass clean Water is the only solution recommended for use in cleaning non glare glass The damage to the glass from improper caustic solutions is irreparable In addition to cleaning the glass with the recommended product there are precautions that should be taken when working and cleaning the inside of the case When cleaning the inside of the cases we recommend that the glass be fully opened and covered to prevent solutions from splashing onto the glass and ruining the coating on the inside Plexiglass and Acrylic Care Improper cleaning not only accelerates the cleaning cycle but also degrades the quality of this surface Normal daily buffing motions can generated static cling attracting dust to the surface Incorrect cleaning agents or cleaning cloths can cause micro scratching of the surface causing the plastic to haze over time Cleaning Hussmann recommends using a clean damp chamois or a paper towel marked as dust and abrasive free with 2109 Plastic Cleaner and Polish available by calling Sumner Labs at 1 800 542 8656 Hard rough cloths or paper towels will scratch the acrylic and should not be used Antistatic Coating
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20. Product temperature should always be maintained at a constant and 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 life of the product Hussmann cases were not designed to heat up or cool down product but rather to maintain an item s proper temperature for maximum shelf life To achieve the protection required always 1 Minimize processing time to avoid damaging temperature rise to the product Product should be at proper temperature 2 Keep the airin and around the case area free of foreign gasses and fumes or food will rapidly deteriorate 3 Maintain the display merchandisers temperature controls as outlined in the refrigerator section of this manual 4 Donot place any product into these refrigerators until all controls have been adjusted and they are operating at the proper temperature Allow merchandiser to operate a minimum of six 6 hours before stocking with any product 5 When stocking never allow the product to extend beyond the recommended load limit Air discharge and return air flow must be unobstructed at all times to provide proper refrigeration 6 There are vents located at the base of the front of the glass just above the front rail These vents supply a continuous gentle flow of air across the front glass which inhibits condensation Do not place any signs or other r
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22. solutions will not harm the interior bottom however these solutions should always be used according to the Hussmann s directions It is essential to establish and regulate cleaning procedures This will minimize bacteria causing discoloration which leads to degraded product appearance and significantly shortening product shelf life Soap and hot water are not enough to kill this bacteria A sanitizing solution must be included with each cleaning process to eliminate this bacteria 1 Scrub thoroughly cleaning all surfaces with soap and hot water 2 Rinse with hot water but do not flood 3 Apply the sanitizing solution according to Hussmann s directions 4 Rinse thoroughly 5 Dry completely before resuming operation Cleaning Glass and Mirrors Only use a soft cloth and mild glass cleaner for cleaning any glass or mirrored components Be sure to rinse and or dry completely Never use hot water on cold glass surfaces It may shatter and cause serious injury Allow glass surfaces to warm first PRECAUTION CLEANING PRECAUTIONS When cleaning Do not use high pressure water hoses Do not introduce water faster than waste outlet can drain NEVER USE CLEANING OR SANITIZING SOLUTION THAT HAS AN OIL BASE these will dissolve the butyl sealants or an AMMONIA BASE this will corrode the copper componets of the case TO PRESERVE THE ATTRACTIVE FINISH DO USE WATER AND A MILD DETERGENT FOR THE EXTERIOR ONLY
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25. HOSNIS IVNOILdO IVNOILdO 25 Q1 DC 0508 Wiring Diagrams Cont d LL 30 9 S Sd LO SZ OG LO 907709 0167 069 606 3115 01216 43040 A 2009 20 8 60 31 iva NOILdIHOSIO SO 7E00SLLM 59 JILIL 1 SONY 3559 _ SNOISIASY 55 VSL YSL dOW YZL VOW VOL VOW 09 OVA 0 1 ZH 09 OWA 021 FONVHI VSL dOW 01 LOarans VISI OWN ASWNINIT3Yd 09 OWA 021 aaa 2 ALON N 0L0 0 S2z VO SI OOW z 2 9 96 718 120 10 61 LINN m LOS HISWNOIL J FE avison
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28. b Receive perishables from transit equipment at the ideal temperature for the particular product Expedite perishables to the store s storage equipment to avoid unnecessary warm up and prolonged temperature recovery Food store refrigerators are not food chillers nor can they reclaim quality lost through previous mishandling d Care must be taken when cross merchandising products to ensure that potentially hazardous vegetable products are not placed in non refrigerated areas e Display and storage equipment doors should be kept closed during periods of inactivity f Minimize the transfer time of perishables from storage to display g Keep meat under refrigeration in meat cutting and processing area except for the few moments it is being handled in processing When a cut or tray of meat is not to be worked on immediately the procedure should call for returning it to refrigeration h Keep tools clean and sanitized Since mechanical equipment is used for fresh meat processing all such equipment should be cleaned at least daily and each time a different kind of meat product comes in contact with the tool or equipment i Make sure that all refrigeration equipment is installed and adjusted in strict accordance with the manufacturer s recommendations j See that all storage and refrigeration equipment is kept in proper working order by routine maintenance For further technical information please log on to http www
29. drains in contact with non insulated suction lines Suction lines should be insulated with a nonabsorbent insulation material such as Armstrong s Armaflex b Where condensate drains are located in dead air spaces between refrigerators or between refrigerator and a wall provide means to prevent freezing The water seal should be insulated to prevent condensation Refrigeration Refrigerant Type The standard refrigerant will be R 22 unless otherwise specified on the customer order Check the serial plate on the case for information Piping The refrigerant line outlets are located under the case Locate first the electrical box the outlets are then on the same side of the case but at the opposite end Insulate suction lines to prevent condensation drippage Refrigeration Lines Liquid Suction 3 8 O D 5 8 O D NOTE standard is piped at 7 2 suction however the store tie in may vary depending on the number of coils and the draw the case has Depending on the case setup the connecting point the store may be s 7 8 or 1 s Refer to the particular case you are hooking up Refrigerant lines should be sized as shown on the refrigeration legend furnished by the store Install P TRAPS oil traps at the base of all suction line vertical risers Pressure drop can rob the system of capacity To keep the pressure drop to a minimum keep refrigerant line run as short as possible u
30. service check the following 1 Checkelectrical power supply to the equipment for connection 2 Checkfixture loading Overstocking case will affect its proper operation 3 Iffrostis collecting on fixture and or product check that Humidity Control is working properly and that no outside doors or windows are open allowing moisture to enter store PRECAUTION CLEANING PRECAUTIONS When cleaning Do not use high pressure water hoses Do not introduce water faster than waste outlet can drain NEVER USE A CLEANING OR SANITIZING SOLUTION THAT HAS AN OIL BASE these will dissolve the butyl sealants or an AMMONIA BASE this will corrode the copper componets of the case TO PRESERVE THE ATTRACTIVE FINISH USE WATER AND A MILD DETERGENT FOR THE EXTERIOR ONLY 00 NOT USE ABRASIVES OR STEEL WOOL PADS AS THESE WILL MAR THE FINISH Glass Replacement and Adjustment Instructions In order to replace or adjust the glass the glass must be placed in the raised position The underside of the clamp is exposed revealing the tightening screws By turning these screws counterclockwise 1 4 turn each the glass will be loosened for either removal or adjustment Note Do not overtighten the screws since damage may occur 0508 Electrical Wiring Diagrams CES CI CO DT eee _ CS
31. the return air Case controllers will be located in the electrical raceway or under the case Expansion Valve Adjustment Expansion valves must be adjusted to fully feed the evaporator Before attempting any adjustments make sure the evaporator is either clear or very lightly covered with frost and that the fixture is within 10 F of its expected operating temperature ATTENTION INSTALLER After case has been brought to running temperature verify screws along glass clamp aluminum extrusion are tight Measuring the Operating Superheat 1 Determine the suction pressure with an accurate pressure gauge at the evaporator outlet 2 From a refrigerant pressure temperature chart determine the saturation temperature at the observed suction pressure 3 Measure the temperature of the suction gas at the thermostatic remote bulb location 4 Subtract the saturation temperature obtained in step No 2 from the temperature measured in step No 3 5 The difference is superheat Set the superheat for 5 F 7 F Thermostat Location Thermostats are located in the electrical section behind the rear panel on the right hand side of the case facing the back of the case Electrical Wiring Color Code STANDARD CASE WIRE COLOR CODE CODIGO DE COLORES DE LOS ALAMBRES PARA LAS VITRINAS ESTANDAR CODE COULER POUR FILS DE BOITIER NORMALISE DESCRIPCION DESCRIPTION GROUND TIERRA MASA MASSE BE ANTI SWEAT ANTICONDENSACION ANTI SUIN
32. to make sure that defrosts are correctly programmed for all the refrigerators connected to each refrigeration system e Recording instruments should be used to check performance Appendix C Field Recommendations Refrigerated Recommendations for field evaluating the performance of retail food refrigerators and hot cases 1 0 The most consistent indicator of display refrigerator performance is temperature of the air entering the product zone see Appendix A In practical use the precise determination of return air temperature is extremely difficult Readings of return air temperatures will be variable and results will be inconsistent The product temperature alone is not an indicator of refrigerator performance NOTE Public Health will use the temperature of the product in determining if the refrigerator will be allowed to display potentially hazardous food For the purpose of this evaluation product temperature above the FDA Food Code 1993 temperature for potentially hazardous food will be the first indication that an evaluation should be performed It is expected that all refrigerators will keep food at the FDA Food Code 1993 temperature for potentially hazardous food 0508 Appendices Cont d 1 1 The following recommendations are made for the purpose of arriving at easily taken and understood data which coupled with other observations may be used to determine whether a display refrigerator is workin
33. 0061 AdONVO TYNOILdO IWNOILdO SLHOIT 39031 SLINIUIO MOHNMS LO 7 VZ0 LINOVIO LHOIT YOSNIS IVNOILdO IVNOILdO 31 Q1 DC 0508 Appendices Appendix A Temperature Guidelines Refrigerated The refrigerators should be operated according to the manufacturer s published engineering specifications for entering air temperatures for specific equipment applications Table 1 shows the typical temperature of the air entering the food zone one hour before the start of defrost and one hour after defrost for various categories of refrigerators Refer to Appendix C for Field Evaluation Guidelines Table 1 Typical Entering Air Temperature Type of Refrigerator I OPEN DISPLAY A Non frozen 1 Meat 28 F 2 Dairy Deli 3 Produce a Processed 36 b Unprocessed 45 B Frozen 0 Cream 5 II CLOSED DISPLAY A Non frozen 1 Meat 2 Dairy Deli 3 Produce a Processed 36 b Unprocessed 45 B Frozen 0 Cream 5 Single Deck Multi Deck I Open Display Styles Appendix B Application Recommendations Refrigerated 1 0 Temperature performance is critical for controlling bacteria growth Therefore the following recommendations are included in the standard They are based on confirmed field experience over many years 1 1 The installer is responsible for following the installation instructions and recomm
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40. 8 Installation REV 0508 HUSSMANNCHINO DELI SERVICE CASE HUSSsmann Q1 DC DELI SERVICE CASE Q1 DC 0508 INSTALLATION amp OPERATION GUIDE Q1 DC 0508 General Instructions Table of Contents General 2 Cut Plan 3 5 3 Location 3 3 Tighten Glass Screws 3 LOGGING 3 Setting JOMING 3 3 Q1 DC Refrigerated Wedges Standard 4 5 Waste Outlet 2 5 Installing Condensate 5 Refrigeration ii iii 5 Refrigerant e E 5 5 1 5 5 Access to TEV Valves and Drain Lines 5 Electronic Expansion Valve
41. A SLI i 9 N 1 A 14 LINOMIO 1151 8ZE L0 SZL ISNA 2020 10 922 T 1 1 T 2826 10 52 8 ISNA SL 8 _ 85 1150 10 92 1 ma So E TT TT 2026 10 922 HOLIMS GION310S 1 5 DE 35 35 35 2 2 2 25 25 25 29 25 cu Ds es ex 01918 58 ER ER ER 8 N 52 8 Pg Pg 8 VESTITO i 401 00 10 1 sg Mo i x 9 1 2102 10 921 7 d33MS e 265010 401 90 10 9226 10 522 8202 10 922 BE 7H 0 ANADO 1092009106 SSO4NVG 808845 LSNIN 3SVO F3LON sosnas 51 9 aalen an SLIE LO SZL LSNW 3570 3 LON 95 25 95 21 PE 79 1039 28128 38 8 ASI 17 58 ge sani SERE 2020 10 921 ASL 88155 8252 53594 5452 0020 10 921 3 9 55 55 3 55 55 amp L LINQUIO MOVE MUOMLIN 2385 8389 pap YOSNIS YOSNIS YOSNIS FI INON 5 3 GNVIS 37705 IVNOLLdO 9 401 90 10 IVNOLLdO 39037 390317 401 90 10 LSNIN 4
42. AA 24 0508 Wiring Diagrams LL 30 39Vd S9 S0 10 S9 90 L0 90779 0167 069 606 37115 0116 WO LLL 2010116 gt 20 8 0 31 iva 70 7 005 5 10 30101 1 5014 35537 _ UUBWISSNHA VSL dOW VEL VOW ZH 09 OWA 021 dOW dOW NOMI Linozio VON VOL VOW LINOUIO LINN 4 _ ZH 09 OWA 061 ZH 09 OWA 061 F9NVYO CEREA 5 5 3n79 LINOUIO 5 _ 313971 LINOMIO A
43. IS NECESSARY TO INSURE PROPER OPERATION WATER DRAINAGE GLASS ALIGNMENT AND OPERATION OF THE HINGES SUPPORTING THE GLASS LEVELING THE CASE CORRECTLY WILL SOLVE ALL HINGE OPERATION AND GLASS PROBLEMS NOTE To avoid removing concrete flooring begin lineup leveling from the highest point of the store floor B When wedges are involved in a lineup set them first All cases were leveled and joined prior to shipment to insure the closest possible fit when cases are joined in the field When joining use a carpenters level and adjust legs accordingly The legs on the Q1 DC are adjustable and do not require shims Simply screw the leg up or down to adjust height 1 Using case blueprints measure off and mark on the floor the exact dimensions of where the cases will sit Snap chalk line for front and back positions of base rail or pedestal Mark the location of each joint front and back Find the highest point throughout the lineup FLOORS ARE NORMALLY NOT LEVEL Determine the highest point of the floor cases will be set off this point All cases in the entire lineup must be brought up to the highest level of the case sitting at the highest point in the lineup This may be done a few different ways a Walk the floor looking for any mounds or dips b Use a string level c Use a transit If a wedge is used in the middle of a lineup the wedge must be set on the highest point on the floor FIRST with the rest if the lineup being lev
44. TEMENT E LIGHTS LUCES ECLAIRAGE E RECEPTACLES ENCHUFES PRISE DE COURANT T STAT SOLENOID 230VAC TERMOSTATO SOLENOIDE 230VAC SOUPAPE SOLENOID 230 VAC AT STAT SOLENOID 115VAC TERMOSTATO SOLENOIDE 115VAC SOUPAPE SOLENOID 115 VAC TERMOSTATO SOLENOIDE 24VAC SOUPAPE A SOLENOID 24 VAC VENTILADORES VENTILATEUR UNIDAD DE CONDENSACION UNITE DE CONDENSATION USE COPPER CONDUCTORS ONLY UTILISEZ LES CONDUCTEURS DE CUIVRE SEULEMENT UTILICE LOS CONDUCTORES DE COBRE SOLAMENTE 430 01 0338 R101003 COLOR DESCRIPTION T STAT SOLENOID 24VAC FAN MOTORS BLUE CONDENSING UNIT CASE MUST BE GROUNDED Refer to label affixed to case to determine the actual configuration as checked in the TYPE INSTALLED boxes Electrical Circuit Identification Standard lighting for all models will be full length fluorescent lamps located within the case at the top The switch controlling the lights the plug provided for digital scale and the thermometer are located at the rear of the case mullion NOTE The receptacle that is provided on the exterior back of these models is intended for computerized scales with a five amp maximum load not for large motors or other high wattage appliances It should be wired to a dedicated circuit DANGER BEFORE SERVICING ALWAYS DISCONNECT ELECTRICAL POWER AT THE MAIN DISCONNECT WHEN SERVICING OR REPLACING ANY ELECTRICAL COMPONENT This includes but not limited to Fans Heaters T
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48. akage and insect entrance into the fixture NOTE PVC DWV solvent cement is recommended Follow the Hussmann s instructions Installing Condensate Drain Poorly or improperly installed condensate drains can seriously interfere with the operation of this refrigerator and result in costly maintenance and product losses Please follow the recommendations listed below when installing condensate drains to insure a proper installation 1 Never use pipe for condensate drains smaller than the nominal diameter of the pipe or P TRAP supplied with the case 2 When connecting condensate drains the P TRAP must be used as part of the condensate drain to prevent air leakage or insect entrance Store plumbing system floor drains should be at least 14 off the center of the case to allow use of the P TRAP pipe section Never use two water seals in series in any one line Double P TRAPS in series will cause lock and prevent draining 3 Always provide as much down hill slope fall as possible 1 8 per foot is the preferred minimum PVC pipe when used must be supported to maintain the 1 8 pitch and to prevent warping 4 Avoid long runs of condensate drains Long runs make it impossible to provide the fall necessary for good drainage 5 Provide a suitable air break between the flood rim of the floor drain and outlet of condensate drain 1 is ideal 6 Prevent condensate drains from freezing a Do not install condensate
49. eled from it The Q1 DC case has adjustable legs to allow for leveling 2 Set first case over the highest part of the floor and adjust legs so that case is level Remove side and back leg braces after case is set and joined 3 Setsecond case within one foot 17 of the first case and remove leg skids Keep the supports along the length of the case and far end of case Level case to the first using the instructions in step one 4 Apply masking tape 1 8 in from end of case on inside and outside rear mullion and body work on both cases to be joined Q1 DC 0508 Installation Cont d 5 Apply liberal bead of case joint sealant butyl to first case Sealant area is shown using a dotted line in illustration in Step 8 Apply heavy amount to cover entire shaded area DO NOT USE PERMAGUM ATTENTION INSTALLER It is the contractor s responsibility to install case s according to local construction and health codes 6 Slide second case up to first case snugly Then level second case to the first case so glass front bumper and top are flush GAUTION Do not use bolts to pull cases together LINE UP PLATE INSERT INTO VERTICAL SLOT LINE UP TAB AT BACK OF BUMPER FRONT CASE BOLT UPPER 3 8 HOLE FRONT BODY PANEL REMOVED FOR ACCESS TO FRONT CASE BOLTING 7 compress butyl at joint use two Jurgenson wood clamps Make sure case is level from front to back and side to side on inside bulkheads at j
50. endations provided by Hussmann for the installation of each individual type refrigerator 1 2 Refrigeration piping should be sized according to the equipment manufacturer s recommendations and installed in accordance with normal refrigeration practices Refrigeration piping should be insulated according to Hussmann s recommendations Service Case Reach In Closed Display Styles 1 3 A clogged waste outlet blocks refrigeration The installer is responsible for the proper installation of the system which dispenses condensate waste through an air gap into the building indirect waste system 1 4 The installer should perform a complete start up evaluation prior to the loading of food into the refrigerator which includes such items as a Initial temperature performance Coils should be properly fed with a refrigerant according to manufacturer s recommendations b Observation of outside influences such as drafts radiant heating from the ceiling and from lamps Such influence should be properly corrected or compensated for c At the same time checks should be made of the store dry bulb and wet bulb temperatures to ascertain that they are within the limits prescribed by Hussmann d Complete start up procedures should include checking through a defrost to make certain of its adequate frequency and length without substantially exceeding the actual needs This should include checking the electrical or refrigerant circuits
51. es Check your shipment for any possible shortages of material If a shortage should exist and is found to be the responsibility of Hussmann Chino notify Hussmann Chino If such a shortage involves the carrier notify the carrier immediately and request an inspection Hussmann Chino will acknowledge shortages within ten days from receipt of equipment Hussmann Chino Product Control The serial number and shipping date of all equipment has been recorded in Hussmann s files for warranty and replacement part purposes correspondence pertaining to warranty or parts ordering must include the serial number of each piece of equipment involved in order to provide the customer with the correct parts Keep this booklet with the case at all times for future reference HUSSMANH CHINO A publication of HJSSMANN Chino 13770 Ramona Avenue Chino California 91710 909 628 8942 FAX 909 590 4910 800 395 9229 This equipment is to be installed to comply with the applicable NEC Federal State and Local Plumbing and Construction DESS Code having jurisdiction 0508 Cut and Plan Views 8 2 LL 8 L u9L EL 17 1 8 11 29 3 8 4 3 8 Q1 DC Single Deck Deli Curved Glass Scale 1 2 4 Drain 5 from Center Line Plan View Straight plan view with Inside and Outside Wedges Scale 1 2 Installation Locat
52. estrictive objects on the front of the refrigerator that will block these vents Q1 DC 0508 User Information Cont d 7 Keeptheservice doors closed when applicable Refrigeration performance will be seriously affected if left open for a prolonged period of time 8 Avoid the use of supplemental flood or spot lighting Display light intensity has been designed for maximum visibility and product life at the factory The use of higher output fluorescent lamps H O and V H O will shorten the shelf life of the product 9 Inthe Deli Meat and Fish cases completely cover the product each night with a clean damp cloth or butcher paper never use plastic as it does not allow for proper circulation Make sure the cloth or paper is in direct contact with the product 10 Turn and rotate the meat fairly often The blood which gives the pink color works its way downward with time 11 Cold coils remove heat and moisture from the case and deposit this as frost onto the coil Thus a defrost is required Our humidity system induces moisture into the case and helps slow down the dehydration process The only other moisture within the case is that in the product itself A single level of meat will dry out faster than a fully loaded case of 3 4 levels of meat Important Steps 1 Do not set temperature too cold as this causes product dehydration Product Temperature 33 35 F Set thermostat to cut in at 28 F discharge air Meat holdi
53. g air ducts blocked 5 Is a dumped display causing turbulent air flow and mixing with room air 6 Are spotlights or other high intensity lighting directed onto the product 33 and recommendations for proper periodic cleaning The user will be responsible for such cleaning including the cleaning of low temperature equipment within the compartment and the cooling coil area s Cleaning practices particularly with respect to proper refrigerator unloading and warm up must be in accordance with applicable recommendations 11 1 2 1 3 Q1 DC 0508 Appendices Cont d Cleaning of non frozen food equipment should include a weekly cleaning of the food compartment as a minimum to prevent bacteria growth from accumulating Actual use and products may dictate more frequent cleaning Circumstances of use and equipment design must also dictate the frequency of cleaning the display areas Weekly washing down of the storage compartment is also recommended especially for equipment subject to drippage of milk or other liquids or the collection of vegetable meat crumbs etc or other debris or litter Daily cleaning of the external areas surrounding the storage or display compartments with detergent and water will keep the equipment presentable and prevent grime buildup Load levels as defined by the manufacturer must be observed The best preservation is achieved by following these rules a Buy quality products
54. g as intended a INSTRUMENT A stainless steel stem type thermometer is recommended and it should have a dial a minimum of 1 inch internal diameter A test thermometer scaled only in Celsius or dually scaled in Celsius and Fahrenheit shall be accurate to 1 C 1 8 F Temperature measuring devices that are scaled only in Fahrenheit shall be accurate to 2 F The thermometer should be checked for proper calibration It should read 32 F when the stem is immersed in an ice water bath LOCATION The probe or sensing element of the thermometer should be located in the airstream where the air first enters the display or storage area and not more than 1 inch away from the surface and in the center of the discharge opening c READING It should first be determined that the refrigerator is refrigerating and has operated at least one hour since the end of the last defrost period The thermometer reading should be made only after it has been allowed to stabilize maintain a constant reading 7 Are there unusual draft conditions from heating air conditioning ducts open doors etc 8 1 there exposure to direct sunlight 9 Are display signs blocking or diverting airflow 10 Are the coils of the refrigerator iced up 11 1 the store ambient over 75 F 55 as set forth in ASHRAE Standard 72 and ASHRAE Standard 117 12 Are the shelf positions number and size other than recommended by Hussma
55. hermostats and Lights Field Wiring and Serial Plate Amperage Field Wiring must be sized for component amperes printed on the serial plate Actual ampere draw may be less than specified Field wiring from the refrigeration control panel to the merchandisers is required for refrigeration thermostats Case amperes are listed on the wiring diagram but always check the serial plate Ballast Location Ballasts are located within the access panel that runs the length of the rear of the case 0508 Electrical Cont d Wiring and Serial Plate Amperage Field Wiring must be sized for component amperes stamped on the serial plate Actual ampere draw may be less than specified Field wiring from the refrigeration control panel to the merchandisers is required for refrigeration thermostats Case amperes are listed on the wiring diagram but always check the serial plate ASHRAE Color Code NOTE All other manufacturers have no standard sensor codes CPC Coil Inlet Blue 225 01 1755 225 01 3255 Red 225 01 1757 225 01 3123 CARS 225 01 1756 225 01 3260 Purple 228 White Defrost Term 225 01 0650 White 225 01 0650 225 01 3254 225 01 3260 225 01 3255 Liquid Line Finishing Touches Bumper Installation Tips 1 Start to attach the bumper at one end of the lineup preferably on a straight case 2 Push the end of the bumper into the bumper channel fi
56. hussmann com products Q1 DC htm 34 Last service date By HUSSMANN Chino Additional copies of this publication may be obtained by contacting Hussmann Chino 13770 Ramona Avenue Chino California 91710 909 628 8942 FAX 909 590 4910 800 395 9229 Q1 DC 0508 The MODEL NAME and SERIAL NUMBER is required in order to provide you with the correct parts and information for your particular unit They can be found on a small metal plate on the unit Please note them below for future reference MODEL SERIAL NUMBER
57. ion The refrigerated merchandisers have been designed for use only in air conditioned stores where temperature and humidity are maintained at or below 75 F and 55 relative humidity DO NOT allow air conditioning electric fans ovens open doors or windows etc to create air currents around the merchandiser as this will impair its correct operation Product temperature should always be maintained at a constant and 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 life of the product Uncrating the Stand Place the fixture as close to its permanent position as possible Keep in place attached case until ready to set bolt to adjoining case Tighten Glass Screws Tighten screws along clamshell located on the underside of glass before placing unit into operation Exterior Loading These models have not been structurally designed to support excessive external loading Do not walk on their tops This could cause serious personal injury and damage to the fixture Setting and Joining The sectional construction of these models enable them to be joined in line to give the effect of one continuous display An Alignment pin kit is supplied with every case and must be used in alignment Leveling IMPORTANT IT IS IMPERATIVE THAT CASES BE LEVELED FROM FRONT TO BACK AND SIDE TO SIDE PRIOR TO JOINING A LEVEL CASE
58. ng box 32 F Meat prep room 55 F Meat bloom box 36 F Process the meat to enter case at 40 F or below Product deterioration is very rapid above 40 F 2 Temperature control should be by means ofa T STAT and Suction Stop Solenoid at each case Do not use EPR valves Liquid line solenoids or electronic control devices of any kind as these allow temperature swings causing dehydration and excessive energy consumption 3 Product should be worked and rotated on a regular basis not to exceed a 4 hour period 4 Atnight turn off case lights and cover the product with a damp not wet cloth similar to cheese cloth etc This should be washed out in the morning and kept in a walk in box during the day so that it is cool and moist when covering the product 5 Discharge air temperature should be approximately 26 F with between 150 200 FPM air velocity Do not display product directly within the air discharge 6 Clean humidity system a minimum of every 90 days for proper system operation Case Cleaning Long life and satisfactory performance of any equipment are dependent upon the care given to it To insure long life proper sanitation and minimum maintenance costs the refrigerator should be thoroughly cleaned frequently SHUT OFF FAN DURING CLEANING PROCESS It can be unplugged within the case or shut off entire case at the source The interior bottom may be cleaned with any domestic soap or detergent based cleaners Sanitizing
59. nn 13 15 there an improper application or control system 14 15 the evaporator fan motor blade inoperative 15 15 the defrost time excessive 16 15 the defrost termination thermostat if used set too high 17 Are the refrigerant controls incorrectly adjusted 18 15 the air entering the condenser above design conditions Are the condenser fins clear of dirt dust etc 19 15 there a shortage of refrigerant 20 Has the equipment been modified to use replacements for CFC 12 CFC 502 or other refrigerant If so have the modifications been made in accordance with the recommendations d OTHER OBSERVATIONS Other of the equipment manufacturer Is the observations should be made which may refrigerator charged with the proper indicate operating problems such as refrigerant and lubricant Does the system unsatisfactory product feel appearance use the recommended compressor CONCLUSIONS In the absence of any Appendix D Recommendations to User apparent undesirable conditions the refrigerator should be judged to be operating Refrigerated 1 0 Hussmann Corporation provides instructions properly If it is determined that such condition is undesirable i e the product is above proper temperature checks should be made for the following 1 Has the refrigerator been loaded with warm product 2 15 the product loaded beyond the Safe Load Line markers 3 Are the return air ducts blocked 4 Are the enterin
60. oint 8 Attach sections together via the bolts pictured in the illustration below 9 Apply bead of butyl to top of bulkheads and slip on stainless steel bulkhead cap Also apply silicone to seam between overhead light tubes 10 Use finger to smooth silicone as thin as possible at masking tape on inside and outside of rear mullion apply additional silicone if necessary Remove tape applied on line 4 11 Remove front back and end shipping braces Q1 DC Refrigerated Wedges and Standard Cases Line up taper pins and line up plates with holes on adjoining case Bolting is located at the rear of the case behind the air discharge wall and behind the front body panel The cases are bolted together in front by means of a bracket located behind the front panel Remove the front panel by unscrewing these bottom screws LINE UP PLATE INSERT INTO ALUMINUM PROFILE CASE BOLTING USE 1 4 20 X 1 1 2 SCREW AT TOP LINE UP PIN INSERT INTO OUTER 1 2 HOLE CASE BOLTING UPPER EXTERIOR FRAME USE 3 8 X 5 1 2 BOLTS OR 3 8 ALLTHREAD CASE BOLTING MULTIPLE 3 8 HOLES ACCESS BEHIND AIR DISCHARGE WALL Q SERIES CASE JOINING GUIDE 0508 Plumbing Waste Outlet and P TRAP The waste outlet is located off the center of the case on one side allowing drip piping to be run lengthwise under the fixture A 1 1 2 P TRAP threaded adapter are supplied with each fixture The P TRAP must be installed to prevent air le
61. rmly This may be difficult if bumper is cold 3 Bend the bumper backwards to open and guide it forward onto the bumper channel 4 Aninside bumper miter must be cut on wedges 5 Loose ends on miters must be anchored with screws on the bottom edge 6 The top and bottom edges of the bumper must be firmly seated into the retainer by applying with a rubber mallet not by hand 7 The bumper should be struck by the mallet ata slight angle that forces the bumper back into itself to prevent stretching The installation can be made easier by applying a paraffin block to the retainer grooves Installing Splashguard After merchandisers have been leveled and joined and all drip piping electrical and refrigeration work has been completed install the splashguards Splashguards may be sealed to the floor using a vinyl cove base trim The size of trim needed will depend on how much the floor is out of level NOTE splashguard must be removable to allow access to components behind it 1 Remove all dirt wax debris etc from the area of the splashguard to ensure a secure adhesion 2 Apply a good contact cement to the trim allowing a proper dry time 3 Install trim to the splashguard so that it is flush with the floor User Information Stocking Improper temperature and lighting will cause serious product loss Discoloration dehydration and spoilage can be controlled with proper use of the equipment and handling of product
62. s 210 has proven to be very effective in not only cleaning and polishing the Plexiglass surface but also providing antistatic and anti fog capabilities This product also seals pores and provides a protective coating Q1 DC 0508 Maintenance IMPORTANT INFORMATION FOR PROMPT SERVICEHave case Model and Serial Numberready This information is located on thenameplate of the unit 5 DANGER BEFORE SERVICING ALWAYS DISCONNECT ELECTRICAL POWER AT THE MAIN DISCONNECT WHEN SERVICING OR REPLACING ANY ELECTRICAL COMPONENT This includes but not limited to Fans Heaters Thermostats and Lights Replacing Fluorescent Lamps Fluorescent lamps are furnished with a shatterproof protective coating The same type of lamp with protective coating must be used if replaced Complies with FDA USDA amp OSHA Regulations HUSSMANnH ENCAPSULITE for replacement call 1 800 395 9229 SHATTERPROOF COATING SA 10645 10 Evaporator Fans The evaporator fans are located at the center front of these merchandisers directly beneath the display pans Should fans or blades need servicing always replace fan blades with the raised embossed side ofthe blade TOWARD THE MOTOR Coils The copper coils used in Hussmann merchandisers may be repaired in the field Materials are available from local refrigeration wholesalers Hussmann recommends using 15 Sil Fos for repairs Tips and Troubleshooting Before calling for
63. sing the minimum number of elbows Where elbows are required use long radius elbows only Control Settings See Q1 DC technical data sheet for the appropriate settings for your merchandiser Maintain these parameters to achieve near constant product temperatures Product temperature should first be measured in the morning after having been refrigerated overnight For all multiplexing defrost should be time terminated Defrost length and frequency should be as directed in the Q1 DC technical data sheet The number of defrosts per day should never change The duration of the defrost cycle may be adjusted to meet conditions present at your location Access to TEV Valves and Drain Lines MECHANICAL Remove product from case Remove pans TX valve mechanical only and drain are located under the pans within the case ELECTRONIC The electronic expansion valve master and slave cylinder s are located within the electrical access panel s in the rear of case Rear panels lift up and out NOTE Duplex receptacles must be detached before removing rear panels Q1 DC 0508 Refrigeration Cont d Electronic Expansion Valve Optional A wide variety of electronic expansion valves and case controllers can be utilized Please refer to EEV and controller Hussmann s information sheet Sensors for electronic expansion valves will be installed on the coil inlet coil outlet and in the discharge air Some supermarkets require a 4th sensor in
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