Commercial Freezer/Refrigerator Reach-in Refrigerator And .

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KELVINATORCOMMERCIALCOMMERCIAL FREEZER/REFRIGERATORREACH-IN REFRIGERATOR AND FREEZERRefrigerator Model: KCBM23R, KCBM48R, KCBM72RFreezer Model: KCBM23F, KCBM48FTABLE OF CONTENTSProduct Registration . . 2Safety/Warning . . .2-3Installation . . 3Electrical .3-4Appliance Start-up. . .4Routine Maintenance 4Operation .4-5Energy Conservation Measures . . 5Temperature Control Manual . .6-8Troubleshooting Guide .9-10Warranty . 111

READ AND SAVE THESE INSTRUCTIONS 242230200 (January 2012)Product RegistrationRegister Your ProductThe self‐addressed PRODUCT REGISTRATION CARD(shown above) should be filled in completely,signed and returned to the address provided.These instructions include information which isintended to assure the operator of correctinstallation, operation and service. Beforeattempting installation, adjustment ormaintenance, be certain of the following:SAFETY / WARNING That you have read and fully understand theinstructions. That you have all the tools required and aretrained to use them. That you have met all installation and usagerestrictions and are familiar with the functionsand operations of the unit. That you follow all instructions exactly as given.ATTENTIONPlease pay close attention to the safety notices inthis section. Disregarding these notices may leadto serious injury and/or damage to the unit. To minimize shock and fire hazards, be sure notto overload outlet. Please designate one outletfor your unit. Do not use extension cords. Do not put your hands under the unit when theunit is required to be moved. When the unit is not in use for a long period oftime, please unplug the unit from the outlet. After unplugging the unit, wait at least 10minutes before re‐plugging it. Failure to do socould cause damage to the compressor.All the fittings, measurements, recommendationsand procedures are significant. Substitutions andapproximations must be avoided. Improperhandling, maintenance, installation and adjustment,or service attempted by anyone other than aqualified technician, may void the future warrantyclaims and cause damage to the unit and/or resultin injury to the operator and/or bystanders.UNPLUG CORD To minimize shock and fire hazards, please donot plug or unplug the cord with wet hands. During maintenance and cleaning, pleaseunplug the unit.Record your Model and Serial NumbersRecord the model number and serial number of thisappliance in the space provided below (the serialplate is located inside the cabinet compartment).PROPER GROUNDONG REQUIRED To minimize shock and fire hazards, make surethat the unit is properly grounded.2

Avoid direct sun rays. Make sure all accessories are installed (i.eshelves, shelf clips, casters) before plugging theunit in. Please read through the manual in its entirety.CABINET LOCATION GUIDELINES Install the unit on strong and leveled surfaces Unit may make unpleasant noises if surfaceis uneven Unit may malfunction if surface is uneven Install the unit in an indoor, well‐ventilatedarea Unit performs more efficiently in a well‐ventilated area For best performance, please maintainclearance of 4” on the back of the unit. Outdoor use may cause decreasedefficiency and damage to the unit. Avoid installation in a high humidity and/ordusty area Humidity could cause unit to rust anddecrease efficiency of the unit Dust collected on the condenser coil willcause unit to malfunction. Clean thecondenser at least once a month with abrush or a clean cloth. Select a location away from heat andmoisture‐generating equipment High ambient temperatures will cause thecompressor to overwork, leading to higherenergy bills and gradual breakdown of theunitPROHIBTION Do not attempt to remove or repair anycomponent unless instructed by factory. Make sure that the unit is not resting on oragainst the electrical cord and the plug. Do not store any flammable and explosive gasor liquids inside the unit. Do not attempt to alter or tamper with theelectrical cord.INSTALLATIONIMPORTANT!!! PLEASE READ BEFOREINSTALLATION The refrigeration system operates mostefficiently when installed in an area with cool,dry air circulation. There must be at least 6 inches of clearance onboth sides and the back of the cabinet. Select a location away from the heat andmoisture generating equipment such as stoves,ovens, etc.ELECTRICALPlease ensure that the required voltage of thecompressor is being supplied at all times. Low orhigh voltage can detrimentally affect therefrigeration unit. All units should be plugged into agrounded and properly sized electrical outlet withappropriate overcurrent protection. Please refer to3

after the first defrost cycle.the electrical requirement on the nameplate. Pleasemake sure that your unit has its own dedicatedoutlet. Do not use an extension cord.Routine MaintenanceThe temperature controls are preset at the factoryto maintain an average temperature of 38 F inrefrigerators. To maintain a different temperature,simply adjust the control knob located inside theunit. Temperature ranges from 7 (coldest) to 1(warmest). Setting the temperature control to thecoldest setting may cause the evaporator coil tofreeze and ice up. This will eventually make thecabinet become warm, which is not recommended.Cleaning the InteriorBe sure to turn the temperature control to “OFF”and unplug the electrical cord. Wash the insidesurface of the storage area with warm water andbaking soda solution (about one tablespoon ofbaking soda per quart of warm water). Rinsethoroughly with clean, warm water and wipe dry.Cleaning the ExteriorOnce the appliance has been located in itspermanent location and the proper power andgrounding has been provided, the following itemsmust be checked or completed:Wipe the cabinet exterior occasionally with a clothdampened in mild detergent and water. Rinse andwipe dry with a soft cloth. Do not use razor bladesor other sharp instruments that can scratch theappliance surface when removing adhesive labels.Any glue left from the tape can be removed with amixture of warm water and mild detergent or touchthe residue with the sticky side of tape alreadyremoved. DO NOT REMOVE THE SERIAL PLATE.Cool Down PeriodCondensate PanAppliance Start‐upFor safe food storage, allow 24 hours for theappliance to cool down completely before loadingwith food. The appliance will run continuously forthe first several hours. Do not place any food in theappliance until after the first 24 hours of operation.Some models have a condensate pan in a fixedposition located behind the toe grill. This must notbe removed from under the cabinet. If the pan isremoved, condensate will drop onto the floor.Thermostat SettingThe appliance is shipped from the factory with thethermostat set at about the midpoint of theoperating range. Adjustments colder or warmer canbe made after the appliance has been running for atleast 8 hours. Allow at least 8 hours for temperaturestabilization before readjusting the thermostat.DO NOT open the appliance lid unnecessarily if theappliance is off for several hours. If a power failureoccurs, pack seven or eight pounds of dry ice intothe appliance every 24 hours. Look in the YellowPages under “Dry Ice”, “Dairies”, or “Ice CreamManufacturers” for local dry ice suppliers. Alwayswear gloves and use caution when handling dry ice.Defrost SettingOperationPOWER FAILUREThe appliance is designed to defrost automaticallyevery 12 hours. To set the time of defrost, wait untilthe desired time to defrost. With the notch on thetimer knob aligned with the line on the bracket (Fig.A), turn the defrost timer knob clockwise slowly.The timer will click several times, then once loudly,at which point the defrost cycle begins. The timerknob will advance through the defrost cycle, thenclick loudly at the end of the cycle (Fig. B). Theappliance will defrost automatically every 12 hours Run the unit for at least 24 hours beforeloading. When loading the unit: Be careful not to block the air duct locatedat the back and the fan on the ceiling of theunit with contents. Blocking the air flow may cause decrease inperformance.4

This appliance operates more efficiently in acooler ambient than in a hot ambient. Try tomaintain an ambient below 80ºF (27ºC) and65% RH (Relative Humidity) for maximumefficiency.For the best performance, maintain at least4 inches of clearance in between thecontents and the air duct. Set the shelves that come with the unit to fityour needs. Temperature controller: The controller is located at the right, frontcorner of the ceiling. Temperature is set as “4” at default. Do not leave the unit door open for a longperiod of time. For the most efficient operation,close the door immediately after use.Periods of Non‐use and Moving TipsLeave the appliance operating during periods ofnon‐use of less than three (3) weeks.Long Periods of Non‐useIf the appliance will not be used for several months: Remove all food and unplug the power cord. Clean and dry the interior thoroughly. Leave the appliance door open slightly, blockingit open if necessary, to prevent odor and moldgrowth.Energy Conservation MeasuresThis appliance is designed for efficiency with heavyfoam insulation. However, there are things that theuser can do to maintain the appliance in operatingcondition. Do not operate the appliance any colder thannecessary to maintain safe, product storagetemperatures. Make sure the appliance is located to preventdirect exposure to sunlight, air ducts, etc. Keep the door closed except for normal use.Inspect the door often to see that it self‐closesand the gaskets are in good condition. Do not overstock the product in the cabinetbecause it will block the normal air flow. Have at least annual inspections by a qualifiedservice company to see that the refrigerantcharge is correct.MovingWhen moving the appliance, follow these guidelinesto prevent damage: Disconnect the power cord plug from the walloutlet. Remove foods, then defrost, and clean theappliance. Secure all loose items such as base panel,baskets, and shelves by taping them securely inplace to prevent damage. In the moving vehicle, secure appliance in anupright position to prevent movement. Also,protect outside of appliance with a blanket orsimilar item.5

Temperature Controller Manual Feature of Function This temperature controller adopt world well‐known brand SCM. It is reliable and durable. Therelay is exclusively used for compressor loads whichmake it safer. The way of controlling temperature isreturn type and easy to operate.Indicator Mine‐sized and integrated intelligent control, it isapplicable to the compressor of one H.P. Suit for aventilated freezer. Main functions Temperature display (Celsius/Fahrenheitdegrees)Temperature controlEvaporator fan control (parallel withcompressor or continuous running changes)Manual, automatic defrost by electric heaterTime or temperature setting to end defrostThe cold‐room sensor temperature can lockduring defrostParameter lockingThe factor default resumptionOffset on sensor temperatureSelf testing Refrigerant: When the refrigerant LED is on, thecompressor is working.Constant temperature: When the refrigerantLED is off, the compressor has stopped.Delay: When the refrigerant LED flashes, thecompressor stops.Defrost: When the defrost LED is on, thecompressor and fan stop and the heater works.Evaporator fan: When the fan LED is on, the fanis working.Front Panel Operation Specification Output contact capacity for compressor: N.O.20A/250V ; 50/60Hz. The inrush current forcompressor control may be 20A instead of 8Aduring the period of 1s at start. (applicable to 1H.P. compressor if more connected to ACcontactor)Output contact capacity for Evap. Fan: N.O.20a/250V ; 50/60Hz.Main controller panel dimension 78X35X76mm.Mounting dimension: 71:29mmPower supple: 12V , 50/60Hz; Powerconsumption: 5WRange of temperature displayed:‐ 45 45 C(‐40 120 F)Range of set temperature: ‐45 45 C(‐40 120 F)Temperature sensor: NTC, double sensor.Set temperature: Press button, the settemperature is displayed; Press or button tomodify and store the displayed value, pressbutton to exit the adjustment and display thecold‐room temperature.Manual start/stop defrost: Pressbutton andhold for 6 seconds to defrost or stop defrost.Display the evaporator temperature: Pressbutton and hold for 6 seconds. The evaporatortemperature will be displayed. After 10seconds, the cold‐room temperature is resumedto be displayed.Parameter Setup 6Indication for setting parameter: The parametercan be adjusted only after correct PA has beenentered. All parameters can only be checked,

(F3), the heater will switch on and the defrostwill start.After a defrost interval, it begins the automaticdefrost function. e.g.: When the evaporator sensortemperature defrost termination temperature(F3), the defrost LED will turn on, the compressorand fan will stop, and the heater will start. Whenthe evaporator sensor temperature defrosttermination temperature or defrost duration (F1)ends, the heater and defrost will stop after thedraining time (F6). The cold‐room temperature(set temperature hysteresis), the compressor willstarts and go back to refrigeration status.When the defrost interval time (f2) is set”00”, thefunction of the automatics defrost will be cancelled.Temperature displayed when defrost: If F4 is set“01”, it displays the temperature when the defroststarts. After defrost, It will continue to display thistemp for 20 min and the defrost LED will beginflashing. It will then come back to normaltemperature. Controlling the evaporator fan after defrost:Controlling by time: When F7 is set “00” afterdefrost, the compressor works for F8 and thenthe fan restarts. After defrost and the firstworking mode, the fan will follow the mode ofF5.Controlling by temperature: When F7 is set “01”after defrost, when the evaporator temperaturereaches F9, the fan restarts. After defrost andthe first working mode, the fan will follow themode of F5. Sensor failure work mode: If the cold‐roomsensor is short circuited or overheated, “HH”will be displayed. If the cold‐room sensor is inan open circuit or the temperature is too lowthen “LL” is displayed. At that time thecompressor will automatically go to a cycle of45 min on and 15 min off. When the evaporatorsensor fails or surpasses the displayed range,the defrost termination will be just controlledby the defrost duration.not adjusted; however, it is available fortemperature controlling.Setting Parameter: Pressfor 6 seconds. Startparameter menu and PA (menu password)flashing. Enter the password by pressing or. Pressagain to choose the parameter.Pressorthen the parameter can bedisplayed and adjusted. After the adjustment, ifno button has been pressed after 30 seconds,the system will restore the new parameter andgo back to normal operations.Changing menu password (CPA): The CPA canbe checked or changed only after the correctmenu password has been entered. When itshows CPA, pressorthen the presentpassword is displayed and can be changed to anew password. Pressto confirm the newpassword. (Please memorize the new passwordor you can never adjust other parameters.)The factory default resumption: Pressbutton for 1 second and then pressbuttonsimultaneously for 6 seconds. The indicator willflash and then all parameters will be restored toback to the factory defaults. After 10 seconds, itwill return to normal operation.Parameter details Temperature controlling: After turning on forthe delay time (e4), the compressor startsoperating when cold‐room temperature (settemperature hysteresis), and will off whencold‐room temperature set temperature. Toprotect the compressor it can be re‐started,unless the time when the compressor stopsevery time is longer than the delay time (E4). Evaporator fan operating function:F5 is set “00”, parallel with compressor.F5 is set “01”, continuous running (except defrost). Electric heater defrost: evaporator sensortemperature defrost termination temperature7

Circuit Diagram Note:Conductor of at least 0.75mm2 shall be used forwiring of defrost and evaporator fan controlload.Conductor of at least 1.0mm2 shall be used forwiring of compressor control load.The inrush current for compressor may be 20Ainstead of 8A during the 1 second period at thestart. Notes for Installation Before wiring, please read the instructionscarefully and be sure to understand thefunction of every contact so that you canmake correct wire connections. Controlloads cannot exceed the ratings.The temperature controller cannot beinstalled in an area where water flows, adirty area, an area of high moisture, or in anarea with high temperatures. Please payattention to EMC problems and prevent the 8temperature controller from collisions withother objects.The sensor cable leads must be kept awayfrom the main supply in order to avoid highfrequency noise. 0.75‐1.5mm2 flexible cordsshould be used for wiring control loadterminals.The evaporator sensor must be installedbetween the fins of the evaporator in thearea where ice is the thickest. Do not placethe evaporator sensor near the electricheater.If the temperature controller is disturbed,please cut off the power supply and reset.The software of this product belongs tograde A, and it does not apply to safecontrol.Please don’t dismantle the controller. If youneed repairing or you have any problems inusing the controller, please do not hesitateto contact our company.

TROUBLESHOOTINGGUIDEBefore calling for service, review this list. It may save you time and expense. This list includescommon occurrences that are not the result of defective workmanship or materials in thisappliance.PROBLEMCAUSECORRECTION* Appliance is plugged into a circuitthat has a ground fault* Use another circuit. If you are unsure about theoutlet, have it checked by a certified technician.* Temperature control is in the"OFF" position.* See Thermostat Setting.* Appliance may not be plugged in,or plug may be loose.* Ensure plug is tightly pushed into outlet.* House fuse blown or tripped circuitbreaker.* Check/replace fuse with a 15 amp time delay fuse.Reset circuit breaker.* Power outage* Room or outside weather is hot.* Check house lights. Call local Electric Company.* It's normal for the appliance to work harder underthese conditions.* Appliance has recently beendisconnected for a period of time.* It takes 24 hours for the appliance to cool downcompletely.* Large amount of warm or hot foodhave been stored recently.* Warm food will cause appliance to run more until thedesired temperature is reached.* Door is opened too frequently orkept open too long.* Warm air entering the appliance causes it to runmore. Open the door less often.* Appliance door may be slightly* Temperature control is set too low.* See "Door Problems".* Turn control knob to a warmer setting. Allow severalhours for the temperature to stabilize.* Appliance gaskets are dirty, worn,cracked or poorly fitted.* Clean or change gasket. Leaks in the lid seal willcause appliance to run longer in order to maintaindesired temperature.Interior appliancetemperature is too cold.* Temperature control is set too low.* Turn control knob to a warmer setting. Allow severalhours for the temperature to stabilize.Interior appliancetemperature is too warm.* Temperature control is set toowarm.* Turn control knob to a colder setting. Allow severalhours for the temperature to stabilize.* Door is opened too frequently orkept open too long.* Warm air entering the appliance causes it to runmore. Open the door less often.* Appliance door may be slightly* Large amount of warm or hot foodhave been stored recently.* See "Door Problems".* Wait until the appliance has had a chance to reachits selected temperature.* Appliance has recently beendisconnected for a period of time.* Appliance requires 24 hours to cool downcompletely.* The external appliance walls canbe as much as 30ºF warmer thanroom temperature.* This is normal while the compressor works totransfer heat from inside the appliance cabinet.Louder sound levelswhenever appliance is on.* Modern appliances have increasedstorage capacity and more stabletemperatures. They require heavyduty compressors.* This is normal. When the surrounding noise level islow, you might hear the compressor running while itcools the interior.Louder sound levelswhen compressor comeson.* Appliance operates at higherpressures during the start of the ONcycle.* This is normal. Sound will level off or disappear asappliance continues to run.Popping or crackingsound when compressorcomes on.* Metal parts undergo expansionand contraction, as in hot waterpipes.* This is normal. Sound will level off or disappear asappliance continues to run.APPLIANCE OPERATIONAppliance does not run.Appliance runs too muchor too long.Appliance externalsurface temperature iswarm.SOUND AND NOISE9

PROBLEMCAUSECORRECTIONSOUND AND NOISE (Cont.)Bubbling or gurglingsound* Refrigerant (used to coolappliance) is circulating* This is normal.Vibrating or rattling noise.* Appliance is not level. It rocks onthe floor when it is moved* Level the appliance by putting wood or metal shimsunder part of the appliance.* Floor is uneven or weak.* Ensure floor can adequately support appliance.Level the appliance by putting wood or metal shimsunder part of the appliance.* Appliance is touching the wall.WATER / MOISTURE / FROST INSIDE APPLIANCEMoisture forms on insideappliance walls.* Re-level appliance or move appliance slightly.* Weather is hot and humid, whichincreases internal rate of frost buildup.* This is normal.* Door is slightly open.* Door is kept open too long or isopened too frequently.* See "Door Problems".* Open the door less often.* Interior needs to be cleaned.* Clean interior with sponge, warm water, and bakingsoda.* Foods with strong odors are in theappliance.* Cover the food tightly.* Appliance is not level. It rocks onthe floor when it is moved slightly.* Level the appliance by putting wood or metal shimsunder part of the appliance.* Floor is uneven or weak.* Ensure floor can adequately support appliance.Level the appliance by putting wood or metal shimsunder part of the appliance.* The fluorescent lamp or light bulbis burned out.* See "Fluorescent Lamp" or "Interior Light" onFeatures Section.* No electric current is reaching theappliance.* See "appliance Does Not Run".ODOR IN APPLIANCEOdors in appliance.DOOR PROBLEMSDoor will not close.LIGHTING PROBLEMSLight bulb is not on.10


kelvinator . c o m m e r c i a l . commercial freezer/refrigerator . reach-in refrigerator and freezer . refrigerator model: kcbm23r, kcbm48r, kcbm72r

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