Whirlpool Ice Maker 470 User's Manual
Contents
1. d PLENUM ASSEMBLY EVAPORATOR ASS DEFROST HEATER GROMMET FREEZER 27 CONTROL GASKET EVAP COVER BOTTOM 36 CONTROL BOX DRAIN CUP THERMOSTAT ASSY WIRE ASSY CONTROL BOX CONTROL DEFROST TIMER KNOB THERMOSTAT EX ASSY SOCK T LIGHT LENS BODY AIR DIFFUSER REAR BODY AIR DIFFUSER FRONT 37 TRAY EVAPORATING MATSHUSHITA COMP COMPRESSOR ERVICE DRIER CLIP COMPRESSOR MOUNTING ROMMET COMPRESSOR COMPRESSOR RELAY TERMINAL COVER 38 PARTS LIST S No PART CODE NAME OF PART QUANTITY lh 520000 9160 9161 9162 ug 12 Code x j 1 po Mode WBM470 WBM480 WBM 490 2 2 Description 220L Thailand 250L Thailand 285L Thailand 4G 4G 4G 14 1 1 1 2089480000 LOKRING HT LOOP DRIER LRANSI28 2 A211597000A GROMMET COMPRESSOR MODIFIED 3 A201378000A SOUND DDENING EVAPORATOR 4 A201435000B CLIP COMPRESSOR MOUNTING 5 A201475000D WEDGE EVAP MOUNTING RH 6 A2114410000 SUB ASSY WEDGE AL FOIL LH 7 A201612000B RING SOLDER 8 A201613000B RING SOLDER 9 A2116383800 COMPRESSOR SLEEVE GNF 10 201703000 EVAPORATOR ASSY PANASONIC 11 A2088730000 DRIER ASSEMBLY LOK RING 12 2035890000 COMPRESSOR PANASONIC QB66 13 211741000 DEFRO2. N 41 N P 132 A2084290000 133 208168000 134 A2081860000 135 A208171000A 136 A208172000A 137 A2087480000 138 A208666000B 139 A2086590000 140 A208685000A 141 1111000023 142 A2086950000 143 A201996000A 144 11153180000 145 A2119060000 146 21495450000 147 1111000024 148 2153908000 149 2018890000 150 2117300000 151 A208697000D 152 2118770000 153 215391 10000 154 84233900000 155 A201077550P 156 A211808550C 157 A201170000B 158 A201235000L 159 A201370000L 160 A201080000L 161 A211727000B 162 A211726000B 163 A211725000B 164 A2086680000 165 A2086690000 166 A2086700000 167 A2039575500 168 A2097025500 169 A2097005500 170 A201591000A 171 A2016465500 172 A203550000A 173 A211774000B 174 9836040000 175 A2080690000 176 A2089760000 177 A2089770000 178 A2089780000 ICE TWISTER SUB ASSY DOMESTIC amp EXPORT ICE TWISTER BRACKET SUPPORT BUSH ICE TWISTER ICE COLLECTOR HALF SHELF QUICK FREEZE SURROUND COOL HSG SUB ASSLY ROTOR 360 COOL G4G EXTENSION 360 COOL G4G EPS for 360 Cool Ext G4G FOAM PAD 30X10X10 AIR SEPARATOR ASSY with two hole PE FOAMSHEET SELF ADHESIVE CAB LINER ELECTRICAL SHIELD SUBASSY CONDENSER with foam Grommets INSULATION LIG
3. 11 13 14 qe If the evaporator is to be replaced do not put heat paste on the inlet or outlet joints Score the capillary tube with a file and snap it apart Cut the aluminum evaporator tubing approximately two inches below the Aluminum to copper transition at the outlet with a pair of diagonal cutters Remove the evaporator from the freezer compartment Carefully un braze the suction line from the transition Take the time to repack fresh heat trap paste on any areas where it may have dried out Heat trap paste is only effective when moist Insert the copper suction line tubing into the outlet of the new evaporator approximately one half inch Insert the capillary tube approximately one inch into the inlet of the new evaporator Hang the new evaporator on the flanges in the back wall of the freezer compartment Apply a generous amount of heat trap paste to the aluminum to copper transition of the inlet and outlet of the evaporator Braze the outlet joint Braze the inlet joint Inspect the newly brazed joints for black spots indicating potential leaks Braze again if necessary Do not remove the Flame Guard at this time RESTORING THE UNIT TO PROPER OPERATION Thoroughly leak check the newly brazed joints and correct any leaks oweep the sealed system Finally charge the sealed system and check that unit is operating properly Remove the Flame Guard Remove all heat trap paste from inside of freez
4. LOW SIDE LEAKS HIGH SIDE LEAKS amp EXCESSIVE MOISTURE R134a Systems MOISTURE RESTRICTED CAPILLARY TUBE OR FILTER DRIER CONTACT CONSUMER ASSISTANCE CENTER FOR APPROPRIATE ACTION YES NO REMOVE RESTRICTED LOW SIDE COMPONENT LEAK OR EXCESSIVE MOISTURE NO YES EET BACKFLUSH PROCEDURES FLOW CHART ISOLATE HIGH SIDE CONDENSER AND OR HEATLOOPTO BACKFLUSH CONTINUE WITH REPAIR PROCEDURE ON THIS REPLACE t FLOW CHART 8 __ RESTRICTED _ COMPONENT CONTINUE REPAIR PROCEDURE INSTALL NEW FILTER DRIER GET 1 ANOTHER COMPRESSOR INSTALL NEW COMPRESSOR PROCEED TO SWEEP AND FINAL CHARGE PROCEDURES FLOW CHART 10 3l IOCEDURE _ FLOW CHART gAcKFLUSHING PF Systems R12 R500 amp R134 0 M DIR BACKFLUSH us PROCEDURES 2 ATTACH i TAREPRIGERANT TANK 2 TO HIGH SIDE LOOP 5 OUTLET ATTACH EMPTY RECOVERY BAG 1 5 HiGH S DELOOP 5 BACKFLUSH V SM 20 OUNCES m E OF REFRIGERANT E CONTIRUE REPAIR PROCEDURE 32 SWEEP CHARGE and FINAL CHARGE PROCEDURES R12 amp R134a Systems CLEANAND REBRAZE JONT S PURGE REFRIGERA
5. 34 38 1 Cabinet BA ABAS 35 3 3 Freezer Compartment 4 Control Box 16 37 5 38 6 GNF Refrigerator Parts 8 7 Wiring Diagram 19 8 Sealed System Schematic Layout 24 Parts List 39 42 INTRODUCTION CFC Free Manufacturing of refrigerator includes certain operations like foaming gas charging of the sealed system etc This involves the use of certain refrigerants which are released in the atmosphere that contain chlorine These are termed as CFCs Chlorofluorocarbon CFC s when released in the atmosphere affect the ozone layer It leads to the depletion of the Ozone layer The ozone layer acts as shield against the ultra violet sun rays which are harmful to us and cause skin diseases Whirlpool has responded to this required change by introducing refrigeration products that use R134a a Hydroflorocarbon refrigerant that is chlorine free This refrigerant satisfies the challenge of producing an environmentally friendly refrigeration product while meeting current energy efficiency standards Whirlpool to continue their response to produce environmentally friendly refrigeration product in global level have started producing in India The Global No frost GNF refrigerator which is the first CFC FREE of its kind A new plant is set up at Pune to manufacture the envi
6. S No SYMPTOMS REASON 1 If the refrigerator section is TOO WARM Door opened often Large amount of food added Room temperature too warm 2 If freezer section is TOO WARM Door opened often Large amount of food added Very cold room temperature If refrigerator section is TOO COLD Controls not set correctly for your conditions 10 4 3 If ICE isn t made fast enough Heavy ice usage Very cold room temperature If both sections are too warm Door opened often Large amount of food added Very warm or very cold room temperature R134a SERVICE CONSIDERATIONS R134a systems cannot tolerate compared to other refrigerants even trace amounts of foreign substances chemical contamination or moisture Examples of detrimental substances are wax or paraffin silicon greases oils rust preventatives lubricants leak detection dye or any other additives Do not use R12 or R22 servicing equipment to repair an R134a system Use new servicing equipment Old equipment hoses coupler valve seals and O rings are not compatible with R134a Oil in R134a compressors is very sensitive and capable of absorbing large quantities of moisture Moisture cannot be removed from the compressor oil in a service workshop Service replacement compressor should be checked to make sure the studs seals are in place and not tampered with Compressor studs should not remain open for more than ten minutes In any repair of R134a sealed system failure the filter d
7. and results in excessive frost build up WARM ROOM 1 A warm room or other large source of heat such as a cooking range heater hot air duct sunny window can affect performance 2 In general the warmer the room the greater the running time and power consumption EXTERIOR SWEATING Refrigerators are designed to prevent run off moisture at 90 deg F and 90 relative humidity ambient There may be a thin film of moisture on some areas at a lower temperature and relative humidity This is within design specifications and is not a fault of construction Relocating the refrigerator in a less humid better ventilated area will normally eliminate most moisture problems CHANGING THE CONTROL SETTINGS Allow several hours for the refrigerator and freezer compartments to reach their operating temperatures before adding food items If the milk or juices in the refrigerator section is as cold as desired then the thermostat is set correctly The freezer section is set correctly when ice cream remains firm If the refrigerator and the freezer temperatures need to be readjusted make sure that you Adjust the refrigerator compartment temperature first 2 Wait at least 24 hours before you make any further changes 3 When the refrigerator section is at the desired temperature adjust the freezer section as desired The reasons for certain temperature problems are given below accordingly set the refrigerator section and freezer section
8. can not tolerate moisture traces of other chlorine based refrigerants and other chemical substances Hence use only the tubing equipment which is compatible with R134a and maintained exclusive for R134a and do not mix it with the other equipment meant for R12 based systems The lubricant Easter oil used in R134a systems can absorb large amounts of moisture and cause contamination Hence never open the replacement compressor stubs ends to 12 vii moisture and keeps them plugged with the right plug till it is required to be used in the repair Do not use lubricating oil or refrigerant from chlorine based sealed system into R134a system Use sweep charging method explained in detail in the next section for charging of R134a based systems after repair as it is more effective in removing the contaminants from the sealed system Always replace the filter drier in all sealed system repairs of 3 42 based systems Do not use the replacement compressor if its stubs are not plugged properly and do not remove the plugs till it is time to braze the tubing to the stubs Do not use manifold gauges during purging and charging of system CAUTION If the above precautions are not followed it will result in the premature compressor failure or complete system failure SWEEP CHARGING PROCEDURE FOR SEALED SYSTEM REPAIR OF GNF REFRIGERATOR The following are the main steps in the sweep charging of GNF refrigerator sealed system One or two acc
9. lt gt Whirlpool Whirlpool of India Limited SERVICE AND PARTS MANUAL Document No WOI GNF GLOBAL NO FROST DOUBLE DOOR REFRIGERATORS Description 9160 220L Thailand 4G 9161 250L Thailand 4G 9162 285L Thailand 4G This document is intended only for qualified technicians who are aware of the respective safety regulations CONTENTS Introduction 3 Safety precautions amp warnings 4 5 Special Features 6 Technical Specifications 6 Care amp Cleaning 7 GNF Refrigerator Parts Identification 8 Energy Saving Tips 9 Refrigerator Sounds 9 10 Trouble shooting General 10 Changing Control Settings 10 1 RI 342 Service Consideration 11 Service Instructions 12 17 1 Procedure for R134a Sealed System 1 R134a Sealed System Service 2 Sweep Charging Procedure 3 Contaminated R134a Sealed System Repairs 4 Freezer Compartment 5 Refrigerator Compartment Sealed System Diagnosis Review 18 Wiring Diagram 19 Trouble diagnosis chart 20 23 Sealed System Schematic Layout 24 Trouble Check For Cooling Cycle 25 Diagnostics amp Flow Charts 26 33 1 Refrigerator Does Not Operate 2 Defrosting Mechanism Does Not Work 3 Purging The System 4 High Side Leaks amp Noisy Compressor 5 Burnouts amp Compressor Replacement 6 Restricted System High amp Low Side Leaks Excessive Moisture Back Flushing PF 8 Sweep Charging amp Final Charging Procedure Diagrams
10. 0 amp 250L CONTROL BOX 285L DOMESTIC SHIELD ELECTRICAL LIGHT SHIELD ELECTRICAL LIGHT THERMOSTAT ASSY 250 220L DOM THERMOSTAT WT ASSY250 285LG4G INVENSYS DEFROST TIMER 220V 50HZ BAT GIC WIRE ASSY CONTROL BOX BAT HOLE PLUG Dia 30mm FOIL LINER RS FOIL LHS FRAS FOIL LINER LS FOIL CONTROL BOX LABEL WARNING FIRE HAZARD LABEL EXTERIOR CABINET LABEL WIRING DIAGRAM Thailand G4G LABEL PROD DATA REGN BLK USE amp CARE GUIDE G4G THAILAND LABEL FOOD COVERING RATING LABEL 220L Indonesia 4G RATING LABEL 250L Indonesia 4G RATING LABEL 285L Indonesia 4G STICKER FIFO LOGO METALLIC WHIRLPOOL MP R 18 Dlx LABEL MODEL amp SERIAL NO BLK SCOTT LABEL MODEL amp SERIAL NO BLK SCOTT LABEL FC DOOR ENERGY LABEL G4G Thailand 220L ENERGY LABEL G4G Thailand 250L ENERGY LABEL G4G Thailand 285L BACK PANEL STICKER 220 4G THAI BACK PANEL STICKER 250 4G THAI BACK PANEL STICKER 285 4G THAI AIR DIFFUSER SUBASSY 220L MEPS AIR DIFFUSER SUBASSY G4G 285L EXTN BODY AIR DIFFUSER 285L L C EXTN COVER AIR DIFFUSER 285L FRAS AIR DEFLECTOR FRAS COVER AIR DIFFUSER DEO WITH GRAPHICS ASSY PLATE LEVELER 2G PHILIPS HD SCREW 5 5 1 8 SUB ASSY PLATE MOUNTING COMPRESSOR HINGE SUB ASSY BOTTOM 2G SUB ASSY EPS BOTTOM COMMON lt P
11. 2 Systems HIGH SIDE LEAKS AND NOISY RECIPROCATING COMPRESS RS INSTALL NEW FILTER DRIER 812 amp R134a ONLY GET ANOTHER COMPRESSOR PROCEED TO SWEEP AND FINAL CHARGE PROCEDURES FLOW CHART 10 20 BURNOUTS U oc HV FEOW CHART 4 and 4 BURNOUTS AND R12 MATSUSHITA ROTARY COMPRESSOR 2 REPLACEMENT ha R12 MATSUSHITA ROTARY COMPRESSOR REPLACEMENT se R12 R500 R134a COMPRESSOR T REMOVE OLD FILTER DRIER OR STRAINER FLUID N CONTROL VALVE IN SYSTEM PERMANENTLY REMOVE F UID CONTROL VALVE BACKFLUSH PROCEDURES FLOW CHART j ISOLATE HIGH SIDE CONDENSER AND OR HEAT LOOP TO BACKFLUSH YES V AFTER BACKFLUSHING CONTINUE WITH REPAIR PROCEDURE ON THIS NO L FLOW CHART 4 a 2 INSTALL NEW FILTER DRIER STRAINER CONTINUE REPAIR PROCEDURE RUBBER PLUGS CM 7 GET STIL FACTORY 5 No EN US ANOTHER INSTALLED 7 COMPRESSOR YES INSTALL NEW COMPRESSOR Sa MARGE AND FIN L CHARGE PROCEDURES FLOW CHART 10 30 FLOW CHART 8 RESTRICTED SYSTEM HIGH SIDE LEAKS
12. 4 A208856000A 55 A208689000A 56 A2087890000 57 A2087900000 58 A2087910000 59 A208687000B 60 A2088325500 61 A2088315400 62 211018000 63 A2110190000 64 A208673550A 65 A208728000A 66 A201356000B 67 A201358000E 68 A201670000A 69 A201361000B 70 06 71 A201354000D 72 A201356000B 7 A201354000D 74 0 7597918330000 76 201064000 77 211405000 78 2117510000 79 211379000 80 2116410000 81 2116420000 82 2116430000 83 201885000 SHELF RC PAN CHILLER 220 250L PAN CHILLER 285L TRIVET RC SHALLOW TRIVET RC DEEP TRIVET FC SLIDE HUMIDITY CONTROL BLUE DOOR TRIVET MIDDLE RC CLR DOOR BIN SHELF FLIP UP 65L GNF TRAY EGG TRAY ICE SHELF RC DOOR ASSY FC FIP B GREYG4G w o Printing DOOR ASSY RC 220L B GREY G4G EXPORT DOOR ASSY RC 250L B GREY G4G EXPORT DOOR ASSY RC 285L B GREY G4G EXPORT NEW CORNER POST FRONT Left amp Right G4G NEW CORNER POST RR G4G HANDLE EPS G4G SLEEVE FOAMED 220L G4G EXPORT SLEEVE FOAMED 250L G4G EXPORT SLEEVE FOAMED 285L G4G EXPORT PAD TOP G4G HANDLE COVER GAS MOULDED B GREY HANDLE BASE GAS MOULDED SILVER SUB ASSY CENTRE HINGE INTEGRATED SUB ASSY TOP HINGE GNF 2G HINGE COVER B GREY G4G REINFORCEMENT HANDLE G4G SCREW PHILIPS HD M4 8 x 16 PHILIPS HD SCREW 4 0 0 7 SCREW HEX WASHER HD SCREW PHILIPS PAN HD SCREW ST3 5X10 F SPAN STEEL PHILIPS HD SCREW M5 5X1 8 SCREW PHILIPS HD M4 8 x 16 PHILIPS HD SCREW M5 5X1 8 BULB APPL
13. EFRIGERATOR Both the refrigerator and freezer sections defrost automatically but both should be cleaned about once a month to help prevent odours from building up To clean the refrigerator turn the refrigerator control to OFF unplug it take out all removable parts and clean the refrigerator according to the following directions COMPONENT WHATTOUSE HOWTO CLEAN Removable parts Spongeorcloth Wash Shelves crisper Mild detergent Rinse and dry thoroughly etc Warm water Sponge cloth or paper Wash the outside of cabinet towel Donotuse abrasives or harsh cleaners Mild detergent Rinse and dry thoroughly Wax the painted metal surfaces at least twice a year Apply wax with a clean soft cloth Waxing painted metal surfaces provides rust protection Do not wax the plastic parts Warm water Appliance wax Wash with mixture of warm water and mild detergent Sponge soft cloth or paper towal Inside walls allow freezer to warms up so cloth won t Mild detergent Rinse and dry thoroughly Stick Warm water Door liners and Sponge soft cloth Wash gaskets orpapertowel Mild detergent Rinse and dry throughly Warm water Do not use cleaning waxes concentrated detergents bleaches or cleaners containing petroleum on the plastic parts Plastic parts Soft clean sponge or Wash softclean covers amp panels Cloth Rinseand dry t
14. HT SOCKET FOAM PAD 35X90X10 GROMMET HT EXCH SCREW ANCHOR DRAIN TUBE BOTTOM ASSY BARRIER SUB ASSLY BOTTOM FILLER GASKET CLIP HT LOOP GROMMET CLOSED END RAIL CENTRE GNF BGERY PREPAINTED CORNER FILLER GNF BLACKISH GREY PLATE SCREW CENTER HINGE HEAT LOOP ASSY with foam grommets 220L HEAT LOOP ASSY with foam Grommets 250L HEAT LOOP ASSY with foam Grommets 285L DRAIN TUBE ASSY 220L DRAIN ASSY 250L DRAIN TUBE ASSY 285L SURROUND COOL PIPE 220L G4G SURROUND COOL PIPE 250L G4G SURROUND COOL PIPE 285L G4G KIT CAB BODY ASSY 220LGNF EXPORT B GREY KIT CAB BODY ASSY 250L EXPORT B GREY KIT CAB BODYASSY 285 BGREY Prepaint Export SLING FLAP HOLE PLUG PRESSFIT B GREY SWITCH ROCKER ARM NC ESBEE CAB WRG HARNESS NBAT Non UL SCREW ANCHOR RETAINER FOR LOCK BRACKET OLP QB66 PTC RELAY QB66 PROTECTOR COVER N N NN N CO N N N N 00 N A 42 N N N amp G 43
15. IANCE SINDOO BI METAL CLIP DEFROST HTER CLIP DEFROST HTER SPIROTECH EVAP THERMAL FUSE WITH CONNECTOR WIRE ASSY UNIT INTMD GNF THAILAND EXP FOIL EVAPORATOR BACK FOIL EVAPORATOR LHS FOIL EVAPORATOR RHS INNER RTH ASSY S N N F N 02 N N G N nm N N S NN N N N N N 9 40 N N N N N S NN F N A N N CO 84 A2117520000 85 A201135000E 86 A201472000A 87 A2014490000 88 A201594000H 89 A201593000J 90 A201616000B 91 A201616000A 92 A2113990000 93 A2087720000 94 A211098000B 95 A211357000B 96 A2114390000 97 A2014280000 98 A208614000B 99 A201429000A 100 A201471000A 101 A2019250000 102 A201633000A 103 A2089840000 104 A2035020000 105 A2089850000 106 A2080070000 107 A2089600000 108 A2089610000 109 A2089620000 110 X01A41992K2 111 A2211090000 112 A203501000A 113 A203501000A 114 A201634000A 115 A2089950000 116 A2089940000 117 A2089930000 118 A2089830000 119 A2089820000 120 A2089810000 121 A2089070000 122 A2088520000 123 A2017080000 124 A208568000A 125 A2086080000 126 A2087630000 127 A201993000A 128 A201354000D 129 A211571000B 130 A201741000B 131 A2088890000 BIMETAL WITH CONNECTOR KNOB THERMOSTAT modified SCREW PHILLIPS PAN HD SOCKET ASSY LIGHT CONTROL BOX 22
16. NT FROM THE SYSTEM INTRODUCE 4 OZ NE SWEEP EN CHARGE LEAK CHECK HIGH SIDE WHILE SWEEPING THE SYSTEM ARE SWEEP SYSTEM LEAKS FOR 3 MINUTES PP SWEEP AND FINAL CHARGE PROCEDURES CAREFULLY INSPECT JOINTS AND REPAIRED LEAKS _ START COMPRESSOR AND RUN TO END OF PROCEDURE PURGE NITROGEN CHARGE FROM NEW COMPRESSOR HEAT COMPRESOR FOR 5 MINUTES INTRODUCE 4 OZ U SWEEP CHARGE CONTINUE HEATING COMPRESSOR THROUGHOUT SWEEP PURGE SYSTEM FOR amp MINUTES amp HEAT EVAPORATOR FINAL CHARGE amp SYSTEM CHECK REPAIR IS COMPLETE CLEAN UP CLEAN UP WORK AREA WORK AREA FLOW CHART 10 33 ASSEMBLY DRAWINGS COVER HHG TOP TOP HINGE CABINET TOE or PLATE AME PLATE HP CFC LIGHT 47 THD CAP FC TOP DOOR ASST HHG GASEET FC CENTER THD CAF TOP TE TOP END CAP FC T RC ASSY RC TIN GE ASSY BOTTOM CAP RC LEVELER 34 SHELVES DOOR CHILL CRIS PE HELF QUICK FREEZE TRIVET RC SHALLOW TRIVET DEEP TTEL BIN DOOR RC 35 FREEZER COMPARTMENT ASSEMBLY Bi M TAL GLIP SOUND DEADNING FWP WEDGE EVAPORATOR 3 Q MOUNTING RIGHT DEFROST HEATER EVAPORATOR m MOTOR WEDGE T oM ami _ CE AEE BLADE EVAPORATOR FAN s E T zs I
17. ST WATER TRAY SUBASSY New 14 A211762000A DISCHARGE TUBE SUBASSY QB51 QB66 AQAw 5 15 A2088900000 TUBE RESTRICTOR 0 65x1 93x2800mm 16 A2117700000 GROMMET CAPILLARY 17 2088170000 LOKRING COPPER TO STEEL 4NST19 18 2088160000 LOKRING STEEL TO STEEL 4NST37 19 2089420000 LOKRING DRIER CAPILLARY LR1NSt1 4 20 A201166000C FOIL EVAP COVER 21 A2017130000 BLADE FAN EVAPORATOR DIA 100 22 A2013550000 SCREW HEX HD HI LO SEMS 23 A201361000B SCREW PHILIPS PAN HD 24 A201437000A PUSHNUT 25 A208641000A PLENUM BACK ASSY 26 A2087670000 SUB ASSLY PLENUM FRONT G4G 2 A201495000C KNOB FREEZER CONTROL 28 A2087430000 DAMPER FREEZER CONTROL G4G 220L 29 201637000 GROMMET SOUND DDENING FRONT 30 A2118010000 FAN MOTOR ASSLY MI 31 2016380000 GROMMET SOUND DDENING BACK 32 A201207000H COVER CRISPER 33 A201206000H CRISPER PAN 34 A201037000A LIGHT LENS 35 A208546000C FC GRILLE FRAS P RPE FPE N RP p 39 36 A201084000E 37 A201224000E 38 A201012000A 39 A201001000F 40 A201008000G 41 A201034000E 42 A201178000B 43 A201232000E 44 A201021000F 45 201391000 46 A201139000A 47 A201331000G 48 A201084000E 49 A208690550A 50 A208691550A 51 A208692550A 52 A208693550A 53 A208857000A 5
18. be away for less than four weeks LONG VACATIONS Remove all the food if you are going for a month or more Unplug the refrigerator and clean it rinse well and dry Tape rubber or wood blocks to the top of both doors keeping them open far enough for air to get in This will keep odor and mold from building up MOVING Remove all food Pack frozen food in dry ice Unplug the refrigerator and clean it thoroughly Take out all removable parts Wrap all parts well and tape them together so they don t shift and rattle Screw in the leveling rollers and foot Tape the doors shut and tape the electric cord to the cabinet When you get to your new home put everything back Reconnect the water supply line if you have an ice maker POWER INTERRUPTIONS If electricity goes off call the electricity dept Ask how long will be off If service is to be interrupted 24 hours or less keep both doors closed This will help frozen food stay frozen If service is to be interrupted longer than 24 hours remove all frozen food and store in frozen food locker A full freezer will stay cold longer than a partly filled one A freezer full of meat will stay cold longer than a freezer full of baked goods If food contains ice crystals it may be safely refrozen although the quality and flavor may be affected If the condition of the food is poor or if you feel it is unsafe dispose of it REFRIGERATOR SOUNDS Your new refrigerator may make sounds that yo
19. cessary They are Incorrect amount of refrigerant Restriction of refrigerant flow Refrigerant leak Compressor not operating correctly INCORRECT AMOUNT OF REFRIGERANT 1 ooop p Low Charge Or No Charge Symptoms Long or continuous running Partial frost or no frost on evaporator c Low wattage Starts readily after stopping without pressure equalizing wait period Intermittent hissing where cap tube enters evaporator Condenser and pre cooler than normal Comments Low charge or no charge is probably due to a leak Find leak and repair Overcharge Symptoms Frosting or sweating suction line High freezer temperatures High wattage Noisy compressor Long or continuous running Condenser cool at outlet end hotter than normal at inlet end Compressor and pre cooler hotter than normal Comments the system has ever operated properly it isn t likely that it is overcharged unless it has been recharged or refrigerant added If overcharge is suspected evacuate an recharge the system with type and amount of refrigerant RESTRICTION OF REFRIGERANT FLOW zz Complete Restriction Symptoms Continuous running No cooling of evaporator No sound of refrigerant flow at cap tube outlet Low wattage Condenser same temperature top to bottom Partial Restriction Symptoms Partial frosted evaporator slow progress of frost at start up Lower than normal evaporat
20. e Clean compressor studs with plugs still in them Install into system last Braze into system within ten minutes 13 CONTAMINATED R134a SEALED SYSTEM REPAIRS NOTE Always replace the filter drier during ANY repair on R134a sealed system COMPRESSOR BURN OUT mE Purge refrigerant from the system Flush the system Replace the filter drier Replace the compressor Leak check sweep and recharge the system RESTRICTION IN THE SYSTEM Qe Purge refrigerant from the Determine location of restriction and repair if possible Flush the system Replace the filter drier Replace the compressor if required Leak check sweep and recharge the system FREEZER COMPARTMENT E The freezer compartment comprises of the following parts Evaporator Tube and Fin type Evaporator fan motor which is mounted on the evaporator cover assy Defrost heater Bi metal switch Evaporator cover assembly Quick freezer shelf and cover Ice tray Now let us see the replacement procedure for the above mentioned parts For any part replacement in the freezer compartment first remove the part mentioned above of S No 5 to Replacing The Bimetal 3 4 5 The bimetal is clipped to a small section of the evaporator inlet tube that has a coating on it This coating prevents galvanic action from occurring between the dissimilar metals of the bimetal clip and
21. er compartment before reassembling 16 CONTROL BOX ASSEMBLY THERMOSTAT ASSY WIRE ASSY CONTROL BOX CONTROL BOX KNOB THERMOSTAT ASSY DRAIN CUP BODY AIR DIFFUSER REAR BODY AIR DIFFUSER aus FRONT COVER AIR DIFFUSER LIGHT BULB SOCKET ASSY LIGHT REFRIGERATOR COMPARTMENT The refrigerator compartment comprises of the following parts Shelves and crisper Thermostat Bulb holder and bulb Timer motor IM All the shelves and trays come out by carefully pulling outwards The electrical parts like thermostat bulb holder bulb and timer motor are fixed to a common control box which is fixed on top back of the refrigerator compartment For replacement of the parts in the control box the procedure is as follows Remove the shelves for easy accessibility of the control box Remove the screws fastening the control box Disconnect the wiring harness connector of the refrigerator compartment Now you have the control box in hand and can replace the parts by removing the respective screws and fix it back Remount the parts in the reverse order pp e 17 SEALED SYSTEM DIAGNOSIS REVIEW Entering and properly processing the sealed refrigeration system requires special equipment and time consuming therefore a system should not be entered until it is determined that it is at fault There are four conditions that make entering the sealed system ne
22. ess valves are attached to the sealed system The number of valves depend on whether the compressor is operational or not The existing refrigerant charge is purged from sealed system in to a recovery bag Repairs are made to the sealed system taking all the precautions as required in repair of a R134a refrigerant based sealed system The filter drier is replaced by a new filter drier The brazed joints on the high side are visually inspected for leaks The high side components are back flushed Four ounces of liquid refrigerant are metered into the sealed system A leak check is performed on the newly brazed joints in the high side of the system The compressor is run to circulate the sweep charge throughout the system The refrigerant containing the contaminants is purged form the high side access valve in to a recovery bag The system is finally charged with the prescribed amount of new refrigerant The sweep charging method is superior to other charging methods in removing the contaminants moisture and non condensable matter from the sealed system The details of the sweep charging procedure is given in the flow charts No 1 to 10 REPLACING R134a COMPRESSORS 1 2 CAUTION Never open replacement compressor studs to the air for longer than 10 minutes Carefully inspect rubber plugs in the service replacement compressor studs If the plug appears to have been removed or tampered with DO NOT USE THE COMPRESSOR Get another on
23. he interior Do not install the lam of the refrigerator refrigerator in a humid with condensation If earthling is not done it will location or an cause break down and electric unstable surface shock It may cause electric shock 0 x 2 05 Do not store bottled food or drinks in the freezing compartment Bottles may explode causing personal injury 3 s Q 3 Prohibition Do not put on top of the refrigerator Opening or closing the door may trigger the loose items to slip amp cause injury Prohibitio Please wipe out foreign materials of the metal option of power plug cleanly Use of it as it is may cause fire N Caution Do not store food unstable manner Opening the door trigger loose items to slip amp cause injury When replacing electric components be sure to use rated components Check the model rated voltage rated current operating temperature etc of the component After servicing the refrigerator be sure to check the components are reassembled in a correct manner The service unit should be resembled amp return to its original assembly state Do not store anything other than food in the refrigerator Medical supplies which need to be under strict temperature control should not be stored in the refrigerator 6 d Prohibition When servicing the refrigerator completely remove dus
24. horoughly Mild detergent Do not use paper towels window sprays Warm water scouring cleaners or flammable fluids These can scratch or damage the material GNF REFRIGERATOR PARTS IDENTIFICATION KIT CABINET BODY ASSY TOP HINGE ASSY CENTER HINGE ASSY SHELF FLIP UP DOOR ASSY FC FIP VINYL CLAD DOOR QUICK FREEZE COMPONENT TRIVET FC SHELF QUICK FREEZE GASKET COMPONENT DOOR FC WHITE FREEZER FLOOR DOOR TRIVET SHALLOW RC SHELF FLIP UP CHILLER PAN DOOR ASSY RC FIP VINYL CLAD ISHELF RC THREE POSITION BIN DOOR SHELF ASSY COVER CRISPER GASKET DOOR RC CRISPER WHITE BOTTOM HINGE DOOR TRIVET i ASSY DEEP RC ENERGY SAVING TIPS You can help your refrigerator use less electricity by Making sure the gaskets are clean and are making good contact with the cabinet Opening the refrigerator and freezer doors as little as possible Keep food well organized and remove all of what you need at one time Not overfilling the compartments so that air cannot circulate properly Not setting the refrigerator and freezer sections to at temperature higher than necessary If ice cream is firm and drinks are as cold as you like them which is cold enough Keeping the refrigerator away from heat sources such as a cooking range water heater furnace radiator or direct sunlight VACATION AND MOVING CARE SHORT VACATIONS No need to shut off refrigerator if you will
25. ive If compressor doesn t start replace compressor Loose connections Check circuit from power source to compressor Motor winding Check winding resistance for proper values If found defective replace Timer may be in defrost cycle Turn clockwise past 2 o clock Compressor stuck Wired wrong Check timer and replace if defective Try starting with starting cord If compressor won t start change compressor Compressor Moisture restriction runs but no or insufficient Cooling Characterized by heavy frost around evaproator inlet Heat frosted area If frost line moves farther along coil after heating restriction was propably caused by moisture freeze up Discharge unit evacuate using system procedure and recharge Permanent restriction First check for moisture restriction Check for crimped or damaged tubing Repair or replace leaking component Low charge or no Check for leak Add leak charge if charge necessary to get internal pressure Repair leak or replace leaking component 20 Compressor kicks out on overload High ambient and or abnormal usage Oninitial pull down in high ambient the compressor may cut off on overload Instruct customer Low or high voltage Check voltage with voltmeter Voltage at outlet should be 160V to 260 V AC at the moment of start Low voltage may cause false starts High voltage may cause compressor to
26. k defrost heater with ohmmeter Inoperative defrost heater will result in frost and ice acumulation on evaporator Replace if defective Defrost heater 22 Drain clogged Clogged drain may result in ice buildup in evaporator Clear drain system Keep food covered Clean refrigerator and freezer with solution of baking soda and water Explain to customer how odour and taste of food in refrigerator can be absorbed by ice cubes in freezer due to internal air circulation Check for a heater in contact with plastic Taste and odour Odorous food or sealing compound which may be au causing odour Gasket binding Adjust hinges add shims if necessary Lubricate face of gasket on hinge side Door warped Loosen retainer screws and rack door to fit cabinet Cabinet racked Level cabinet make sure cabinet is setting solidly at all four corners Door will not close or will not seal 25 SEALED SYSTEM SCHEMATIC LAYOUT 24 25 ls the interior light on when the door swit is pushed ch Does the Ec 60100 69507 operate The compressor operated for more than cooling pressoris defective The freezing cycle has a problem i E T S os Condensor electrically connected E defrost timer 30 Min andthere is MM _PTG relay The co
27. mpressor js defective Replace the defective if the fan operates when you push the door switch it is normal Replace if it is Check the Replace the defective Check the part heck thie overload protector 27 Check the electr cal connection Check for abnormalities LE 5 5 euo 3 3 522 E E Eros 8 7 4 7 ey 7 2 0 T E l 3 vits 3 5 1 1 E 26 DEFROSTING MECHANISM DOES NOT WORK Check that the defrost timer No neg operates properly fx Replace the defrost timer Yes Wo Replace the temperature fuse Yes P oc Check the defrost heater pe Replace the defrost heater DEFROSTING MECHANISM DOES NOT WORK e Check the cooling fan motor ie Check the door switch Does not cooling fan operate Yes e timer Temperature fuse Bimetal thermometer Defrost heater Is the freezer defrosted normal ly Check the door gasket is properly sealed check for the damage gasket s the door close properly Correct or readjust the door stopper hinge Tightly cover stored ice cubes Tightly cover stored frozen food Distribute food evenly in the compartme
28. mpressor runs but no refrigeration or insufficient refrigeration Freezer Refrigerator compartment too cold Thermostat a Set too cold b Sensing tube not properly positioned c Out of caliberation or not functioning External sweating Adjust door for proper door seal Void in insulation Voids are not likely to occur within cabinet walls If in acessible area fill it with fiberglass Abnormal usage Instruct customer to cover foods and liquids Door seal Check door seal and adjust door if necessary Instruct customer to be sure door closes completely Turn knob to lower number Ensure proper positioning of the sensing tube Replace if necessary Internal sweating Make sure return air flow is not restricted Increase cold air flow by operating refrigerator compartment as cold as possible without freezing food Insufficient air circulation Incomplete Limit switch defrosting or high temperatures during defrosting Check bimetal defrost control 11 bimetal opens too soon defrost will be incomplete and frost will accumulate If bimetal is struck closed or opens too late high cabinet temperatures will result A loose bimetal may cause the defrost heater to stay on too long Change bimetal if defective Check timer for proper operation Timer should initiate 21 minute defrost cycle every 10 houres Replace if defective Chec
29. nt Ts too much food stored in 18 freezer compartment No Replace the bimetal thermometer 27 PURGING THE SYSTEM R12 R500 amp R134a Systems PREPARE WORK AREA ATTACH PIERCING gt TOOL TO BODY OF FILTER DRIER 51 EVAPORATOR SHOULD BE AT ROOM TEMPERATURE BEFORE STARTING PURGE ROTARY YES ATTACH PIERCING TOOL SUCTION PURGE SYSTEM FOR 8 MINUTES BEGIN PURGE 2 TURN COMPRESSOR ON 3 RUN COMPRESSOR FOR ENTIRE PURGE CYCLE 1 HEAT COMPRESSOR amp PURGE SYSTEM FOR 12 MINUTES RAP COMPRESSOR SEVERAL TIMES HEAT COMPRESSOR amp PURGE SYSTEM FOR S MINUTES MORE GET ADDITIONAL TOOLS amp EQUIPMENT FROM SERVICE VEHICLE BEGIN WARMING THE REFRIGERANT TANK CHECK OIL FOR CONTAMINATION IN RECOVERY BAG R12 R500 R134a ALL R12 R500 FLOW CHART 3 ATTACH PIERCING TOOL R12 R500 HIGH SIDE LEAKS BURNOUTS AND R12 LOW SIDE LEAKS RESTRICTED AND NOISY MATSUSHITA ROTARY AND MIGH SIDE OR RECIPROCATING COMPRESSOR EXCESSIVE C PICECARY COMPRESSORS REPLACEMENT TUBE FLOW CHART 7 FLOW CHART 1 DNE TO COMPRESSOR PROCESS STUB R134a RESTRICTED SYSTEM LOW SIDE LEAKS HIGH SIDE LEAKS amp EXCESSIVE MOISTURE FLOW CHART 8 28 HIGH SIDE LEAKS FLOW CHART and NOISY RECIPROCATING COMPRESSORS 222
30. or temperatures Low wattage Long or continuous running Comments Look for complete restriction at entrance to cap tube drier Also check newly made joints For partial restrictions look for kinked or mashed tubing or a clogged screen drier Remove the restriction 18 WIRING DIAGRAM THERMAL DEFROST HEATER Lr BH Bl RD 8 THERMOSTAT CODE im CONNECTOR SCREW Ol CONNECTOR CLOSED END DISCONNECT TERMINAL PERMANENT CONNELL TI GRI PLUG CONHECTOR c E GROUND CHASS 0 OVEALOAG COMPRESSOR TEST TERM _ BI METAL RUN CAP PTC RELAY BPTIONAL ALARM 2 REFR LISHT SWITCH L IGHT WIFE COLOR CODE BM GREEN Bl BLUE BK BLACHE RD RED WH WHITE YL YELLOW BR BROWH PINK FOYER RED BROWH TRACER BROK BROWNS ELACK TRACER 19 TROUBLE DIAGNOSTIC CHART PROBLEM POSSIBLE CAUSE REMEDY Compressor Service cord Plug in electrical outlet will not start unplugged No power at outlet Thermostat a Turned off b Points not closing Check proper voltage avilability with multimeter Turn knob clockwise Place jumper between terminals If compressor starts thermostat is defective and should be replaced Relay amp OLP Using starting cord check compressor directly If compressor starts check relay and OLP individually with mutimeter and replace one found to be defet
31. overheat Relay and or OLP Replace the defective part Compressor motor Check for winding resistance Replace winding Shorted compressor if found defective Overcharge Check for high wattage and frosted suction line Evacuate and recharge Compressor stuck with correct charge Change compressor Thermostat a Set too warm Turn knob to higher number b Sensing tube not Seethat sensing tube is preperly located properly located c Out of caliberation or not functioning Freezer refrigerator compartment too warm Check thermostat for cut in and cutout temperatures Interior Air Circulation a Evaporator fan Check evaporator fan Replace if defective Check for and remove obstruction in ducts b Restriction in ducts c Air control open too wide Bad door seal or door not closing Instruct customer Adjust door to obtain proper door seal Instruct customer to make sure door closes completely Locate in area out of direct rays of sun and away form heat registers or other sources of heat Cabinet lights Check to make sure door switch is closed Replace if necessary Excessive frost on Check items under complaint evaportor Incomplete defrosting High ambient Compressor won t run Check items under complaint Compressor won t Compressor runs Check items under complaint Continuously co
32. parts are foamed in they become non serviceable parts Great care on quality is taken to make these parts free from failure as any failure on the above parts may lead for the unit replacement as a whole The other parts in the freezer compartment refrigerator compartment and the door assemblies except the liners are serviceable and the procedures for the same are given in the following pages Procedure for repair of sealed system failures of H134a systems This section has been specially introduced to explain in detail the precautions and care to be taken in repair of refrigerators which use R134a as the refrigerant as in the GNF refrigerator It also explains in detail the SWEEP CHARGING PROCEDURE which is the recommended procedure for repair of sealed system failures R134a sealed system service R134a is used as a refrigerant in the Global No Frost refrigerators to make it more environments friendly and comply with Environmental Protection Agency rules 21342 is a Hydroflorocarbon refrigerant Non CFC which is chlorine free and it makes it non ozone layer depleting unlike other refrigerants like R12 which is Chloroflorocarbon H134a is in some way similar to R12 in refrigerating properties but there are some important and critical differences that should be always remembered The main Points to be remembered while servicing a R134a refrigerant based refrigerator are 342 is more sensitive to contamination and it
33. r heat exchanger entrance Purge the refrigerant from the system Unplug the unit from the wall receptacle Remove all contents of the freezer 15 10 11 12 13 14 Remove the bottom cover of the freezer compartment Hemove the evaporator cover with fan motor Remove the defrost heater and the bimetal switch from the evaporator Disconnect the main wiring harness plug from the cabinet connector Unwrap the sound deadening material from the evaporator inlet Keep it in one piece It will need to be reinstalled later Cut away the foam stop material even with the plastic freezer compartment liner where the heat exchanger emerges from the cabinet Remove the foam blocks on each side of the evaporator do not break Cut and fold the Flame Guard material according to locate in the freezer compartment Place the heat trap paste on the back wall of the freezer compartment to hold the Flame Guard in place during repairs Seal the corners and the slots cut for the heat exchanger with heat trap paste Cover the plastic liner with heat trap paste anywhere it may be exposed to an open torch flame EVAPORATOR REPAIRS 1 If leaks in the inlet or outlet joints of the evaporator are to be repaired in place apply a generous amount of heat trap paste to the aluminum to copper transition of the inlet or outlet of the evaporator Repair the leaking joint EVAPORATOR REPLACEMENTS 1 2 3
34. rier should always be replaced And in any compressor failure in R134 a system always replace with a new compressor 11 SERVICE INSTRUCTIONS The GNF refrigerators 285L 250L and 220L all are clean back refrigerators A clean back refrigerator incorporates the following parts foamed between the main liner and the cabinet The skin condenser The condenser assembly is placed on the three sides of the cabinet Heat loop The heat loop is placed along the front side of the cabinet Suction amp Capillary The suction amp capillary is placed on the backside of the cabinet The serviceable joints are available one for the Evaporator assembly in the Freezer compartment and the other to the compressor and the drier Water drainage system The defrost water drainage gets collected on the tray kept over the compressor through the tube which is again formed at the backside of the cabinet Wiring Harness Assembly The wiring assembly is foamed at the back side of the refrigerator in such a way providing serviceable wiring connector in three places such as 1 in the freezer compartment for the fan motor defrost heater and bi metal 2 in the refrigerator compartment for the thermostat bulb holder timer motor and 3 in the back side dome area for the compressor relay overload protection and power cord Each compartment will have small wiring assembly for connecting the electrical parts available as mentioned As these above mentioned
35. ronmentally friendly refrigerators in India by Whirlpool All the refrigerators manufactured in this plant will use refrigerant R134a which is a CFC FREE refrigerant R134a refrigerant is in some ways similar to R12 There are some very important and critical differences that must be recognized These differences require changes to some sealed system repair procedures which we will see further in this manual Safety Precautions amp Warnings Read all instructions before using this appliance in order to avoid risk of accident or possible damage Warning Caution Description of symbols This symbol is intended to alert the user to the possible death or injury Indicates prohibition Do not disassembie Do not contact This symbol is intended Adhere the instruction strictly to alert the user to the So Unplug from the electrical outlet possible injury or damage Earth the appliance to avoid the r sk of an electric shock Warning Do not plug multiple Do not disassemble Do not bend the power cord electric appliances repair or alter with excessive force or do into the same outlet not have the power cord This may cause abnormal It may cause fire or abnormal pressure by heavy article heating or fire hazard operation which leads to injury This may cause fire S Prohibition Do not disassemble Check the operatinq Be sure to earth Pull the power plug out for environment exchanging t
36. t or foreign substances from the housing electric connections etc This can protect against the risk of fire hazard caused by tracking and short circuit Check electrical ports for the trace of moisture penetration When the trace of moisture penetration is detected insulation tapping SPECIAL FEATURES The special features of these refrigerators compared to the existing refrigerators are as follows Clean back refrigerator CFC Free No frost Double door Quick freeze compartment Quick chiller compartment in refrigerator compartment Heat loop for anti condensation Easy to handle crisper tray Foamed in gasket and liners Energy efficient compressor Wheels for easy mobility Galvanized and painted Steel body IUD I co Ie TECHNICAL SPECIFICATIONS WBM 470 WBM 480 WBM 490 12NC DESIGN SPECS Capacity L total Net 220L 250L 285L Capacity L total gross 240L 280L 320L Refrigerator Freezer 150 0 L 180 0 L 215 70 L Tropicalized YES YES YES ELECTRICAL Voltage Hz 220 240V 50 60Hz 220 240V 50 60Hz 220 240V 50 60Hz Voltage Range 160 260V 160 260V 160 260V Power Consumption 245W 245W 245W REFRIGERANT Type R134a R134a R134a Quantity 96 gms 96 gms 96 gms COMPRESSOR Type Reciprocating Reciprocating Reciprocating Motor Type RSIR RSIR RSIR Compressor Cooling Static Static Static CARING FORTHE REFRIGERATOR CLEANINGTHE R
37. the evaporator tubing and thus burning a hole in the tubing When you install the new bimetal clip make sure to install in the same location as the old one Hemove the evaporator cover and remove wires from mounting clip located on evaporator COVer Unclip the bimetal from the evaporator inlet tubing and unplug it from the wiring harness connector Plug the connector of the new bimetal into the wiring harness Locate the evaporator inlet tube and clip the bimetal over it Now proceed remounting the evaporator cover Replacing The Defrost Heater 1 2 Remove the evaporator cover and wire clips Unplug the defrost heater connector from the wiring harness 14 WEDGE MOUNTING DEFROST HEATEH EVAPORATOR 7 ASY FREEZER COMPARTMENT ASSEMBLY Bi METAL CLIP WEDGE EVAPORATOR MOUNTING RIGHT DEFROST HEATER EVAPORATOR FAN s MOTOR BLADE EVAPORAT URA E GROMMET 7 9 28 FREEZER CONTROL 2 GASKET COVER A7 BOTTOM Pull out the defrost heater from the evaporator clips holding the heater Install the new heater to the clips Make sure that the defrost heater leads are routed properly and plug the connector into the wiring harness Now proceed mounting the evaporator cover Repairing Replacing Evaporator NOTE It may be helpful to remove the freezer door if it is hinged on the same side as the evaporato
38. ur old one didn t Because these sounds are new you may become concerned However these new sounds are normal Hard surfaces can make the sounds seem even louder Some of the sounds you may hear are RUNNING SOUNDS caused by the high efficiency compressor and motor A SLIGHT HUM OR A SOFT HISS caused by the refrigerator s fan motor and moving air CLICKING OR SNAPPING caused by thermostat when the refrigerator stops on starts operating The defrost timer will click when the defrost cycle begins and ends WATER SOUNDS GURGLING NOISE caused by liquid settling the tubing when the refrigerator stops operating You may also hear defrost water dripping into the defrost water pan TROUBLE SHOOTING GENERAL HEAVY WARM LOAD The amount of warm food placed in the refrigerator affects running time and power consumption Ordinarily when a supply of food is placed in a refrigerator it will operate continuously until the food is down to the desired storage temperature This continuous operation is normal In high ambient an excessive warm load may cause overload cycles EXCESSIVE DOOR OPENINGS The length of time the door is left open and the number of times the door is opened should be held to a minimum Excessive door openings will greatly increase running time power consumption and frost build up IMPROPER STORAGE Uncovered foods and improper packaging materials and methods cause food to dry out This reduces the flavor of foods
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