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MID-LINE DESIGN

16 thru 22 cu. ft. Top-Mount

“MID-LINE DESIGN” 16 & 18 cu. ft. TOP-MOUNT

STRIP CIRCUITS

(Direct Neutral Path to Defrost Timer Motor)

COOLING CYCLE

Compressor Circuit (at instant of start)

Compressor Circuit (running)

Defrost Timer Motor Circuit

Evaporator Fan Motor Circuit

Condenser Fan Motor Circuit

Summary of Contents for MID-LINE DESIGN

Page 1: ...EDUCATION GROUP PRESENTS AM 4 ORPORATION APARTMENTMAINTENANCESERIES Job Aid Part No 4322309 OLD DESIGN 14 cu ft NEW DESIGN 14 cu ft MID LINE DESIGN 16 thru 22 cu ft MULLION EVAPORATOR DESIGN 12 cu ft TOP MOUNT REFRIGERATOR FREEZERS ...

Page 2: ...quipped with heat loops and forced air condensers There is an air tower located on the back wall of the freezer with a curved face and vertical louvers This Job Aid is not intended to replace or substitute for the Service Manuals Use and Care Guides or Tech Sheets associated with any of the models covered Particular attention should be given to the Tech Sheets provided with each individual unit fo...

Page 3: ...LATION CONSIDERATIONS 33 THEORY OF OPERATION 37 COMPONENT ACCESS 39 WIRING DIAGRAMS and STRIP CIRCUITS 46 SECTION FOUR SECTION FOUR SECTION FOUR SECTION FOUR SECTION FOUR Mid Line Design 16 22 cu ft Top Mount INSTALLATION CONSIDERATIONS 49 THEORY OF OPERATION 53 COMPONENT ACCESS 55 WIRING DIAGRAMS and STRIP CIRCUITS 64 SECTION FIVE TROUBLESHOOTING AND DIAGNOSIS SECTION FIVE TROUBLESHOOTING AND DIA...

Page 4: ...ate adequately fused and grounded circuit should be available for this appliance Do not remove any grounding wires from individual components while servicing unless the component is to be removed and replaced It is extremely important to replace all grounding wires when components are replaced To avoid the risk of electrical shock property damage personal injury or death WARNING Grounding Type Wal...

Page 5: ...el F designation Manufactured from 1993 to present 16 thru 22 cu ft Mid Line Design Distinguishing Characteristics Air tower at the rear of the freezer section with vertical louvers Has heat loop mullion and stile heat A forced air condenser at the bottom of the unit Manufactured from 1994 to present Four distinct series of top mount refrigerator freezers will be covered in the Job Aid Each series...

Page 6: ...VI NOTES ...

Page 7: ...d leave the shims in place 4 Place the unit in its installed position Leveling the Refrigerator Freezer INSTALLATION CONSIDERATIONS Measure the opening at the location in which the refrigerator freezer is to be installed and make sure the following minimum clearance dimensions are followed Top At least 3 7 5cm clearance between the overhead cabinet and the refrigerator freezer top Dimension A Fig ...

Page 8: ... wire grounding receptacle meeting all national and local electrical codes is required It is recommended that a separate circuit serving only this appliance be provided The power cord must be plugged into a 3 prong grounding type wall receptacle grounded in accordance with the National Electrical Code ANSI NFPA 70 latest edition and local codes and ordinances It is the personal responsibility of t...

Page 9: ...reinstall it 12 Set the refrigerator door on the bottom hinge and close the door to keep it in place 13 Reinstall the center hinge 14 Set the freezer door in the center hinge and close the door to keep it in place 15 Reinstall the top hinge 16 To align the refrigerator door a DO NOT ADJUST THE BOTTOM HINGE Use the bottom hinge as an establishing point b Loosen the center hinge Figs 5 and align the...

Page 10: ...tween the two sections DEFROST HEATER The defrost heat is provided by a quartz tube radiant heater Fig 7 lying underneath the evaporator coils in the divider mullion Fig 8 A coiled wire element is encased in a quartz tube Special care must be taken when handling this heater element to insure that the quartz tube does not come in contact with any contaminants such as skin oil perspiration or lubric...

Page 11: ...denser outlet up the right side of the cabinet to the right stile A It then loops through the mullion between the refrigerator and freezer sections B and up around the freezer section C D where it then returns to component compartment E and connects to the sealed system at the filter drier Fig 9 A B C D E Fig 9 ...

Page 12: ... COMPRESSOR DRIP PAN COMPRESSOR BASE EVAPORATOR FAN DEFROST HEATER CONDENSER THERMOSTAT BI METAL EVAPORATOR ELECTRIC SHOCK HAZARD Disconnect the electrical power before servicing any components Failure to do so can result in death or electrical shock WARNING Fig 10 ...

Page 13: ...se to the cabinet 4 When replacing the drain hose be sure to put a loop in it near the connection to the freezer The loop creates a trap which prevents warm air and moisture from migrating into the freezer compartment SERVICING THE COMPRESSOR 1 Remove the four 4 screws securing the component tray to the cabinet There are two screws on each side of the unit 2 Carefully slide the component tray out ...

Page 14: ...ease the left end from the cabinet 4 Carefully slide the freezer floor out of the freezer compartment 5 Lift the Styrofoam evaporator housing cover and aluminum heater shield from the bottom of the freezer compartment The evaporator is surrounded by Styrofoam insulation inside the compartment separator Servicing the Evaporator Fan Motor 1 Disconnect the two 2 wire connectors from the evaporator fa...

Page 15: ... tabs on the defrost heater mounting brackets up to release the defrost heater drip cover and remove the drip cover 4 Remove the defrost heater from the mounting brackets 5 Place the new defrost heater in the mounting brackets NOTE Do not touch the glass tube of the defrost heater with bare hands Body oils and other contaminants will cause the glass tube to break when it gets hot Wear a pair of cl...

Page 16: ...10 MULLION EVAPORATOR DESIGN 12 cu ft Top Mount WIRING DIAGRAM STRIP CIRCUITS COOLING CYCLE Compressor Circuit at instant of start ...

Page 17: ...ORATOR DESIGN 12 cu ft Top Mount Compressor Circuit running Defrost Timer Motor Circuit Evaporator Fan Motor Circuit DEFROST CYCLE Defrost Timer and Defrost Heater Circuit REFRIGERATOR LIGHT Refrigerator Light Circuit ...

Page 18: ...12 MULLION EVAPORATOR DESIGN 12 cu ft Top Mount NOTES ...

Page 19: ...hims in place 4 Place the unit in its installed position Leveling the Refrigerator Freezer INSTALLATION CONSIDERATIONS Measure the opening at the location in which the refrigerator freezer is to be installed and make sure the following minimum clearance dimensions are followed Top At least 3 7 5cm clearance between the overhead cabinet and the refrigerator freezer top Dimension A Fig 14 Sides At l...

Page 20: ...ire grounding receptacle meeting all national and local electrical codes is required It is recommended that a separate circuit serving only this appliance be provided The power cord must be plugged into a 3 prong grounding type wall receptacle grounded in accordance with the National Electrical Code ANSI NFPA 70 latest edition and local codes and ordinances It is the personal responsibility of the...

Page 21: ...efrigerator door with the cabinet edge c Tighten the center hinge 4 To align the freezer door a If the refrigerator door is properly aligned DO NOT ADJUST THE CENTER HINGE b Loosen the top hinge Fig 19 and align the top of the freezer door with the top of the cabinet c Tighten the top hinge 5 Check the door gasket gap on the hinged side of the door The gap should be straight and even and the prope...

Page 22: ... oppo site side of the door 9 Lay the refrigerator door on a flat protected surface and remove the door handle Fig 20 10 Reinstall the refrigerator door handle on the opposite side of the door 11 Move the bottom hinge to the opposite side of the cabinet and reinstall it 12 Set the refrigerator door on the bottom hinge and close the door to keep it in place 13 Reinstall the center hinge 14 Set the ...

Page 23: ...er and about 1 3 of the way down both sides Fig 22 Stile heaters are on 100 of the time the refrigerator is plugged in except during the defrost cycle or on models with power saver switches See the wiring diagrams for units with stile heaters at the end of this section Mullion Heaters Mullion heaters are foil wrapped resistance type heating elements in the 8 12 watt range These heating elements fi...

Page 24: ...tor section through the air duct at the rear of the freezer sec tion The cold air enters the refrigerator section through a diffuser Part of the air is forced forward where is passes through the front part of the com partment and the shelves in the door Part of the cold air is directed down the back of the compart ment to cool the lower portion of the refrigerator section The warmed air is then re...

Page 25: ...T ACCESS Component Location EVAPORATOR FAN EVAPORATOR CONDENSER COLLECTOR PAN COMPRESSOR ELECTRIC SHOCK HAZARD Disconnect the electrical power before servicing any components Failure to do so can result in death or electrical shock WARNING Fig 25 ...

Page 26: ...s to the defrost timer and the thermostat Servicing the Defrost Timer There are two different types of defrost timers depending on the model being serviced Figure 27 shows an Electronic Defrost Control Figure 28 shows a typical Electromechanical Defrost Timer Both types of defrost timers are secured in the control box with the same mounting screws as shown in Figure 28 COVER MOUNTING SCREW DEFROST...

Page 27: ...e fan shroud to the back wall of the freezer section and lift the shroud off Fig 31 3 Remove the two 2 screws securing the fan motor mounting bracket to the back wall of the freezer section and lift the fan motor assembly from its location Fig 31 4 Disconnect the wiring harness connector from the fan motor terminals SHROUD MOUNTING SCREW SHROUD MOUNTING SCREW SHROUD MOUNTING SCREW SHROUD MOUNTING ...

Page 28: ...lling the two plastic retaining clips from the bosses that secure the evaporator to the heat shield 2 Gently pull the left end of the evaporator away from the heat shield Be careful not to kink the evaporator outlet tubing Fig 33 3 Gently slide the defrost heater by pulling it to the left and out of the retaining slots on the evaporator Fig 34 4 Disconnect the defrost heater wire connector from th...

Page 29: ...his section 2 Remove the two screws on the opposite side of the mullion from the hinges 3 Slide one end of the mullion rail cover to the left or right under the cabinet flange enough to free the other end of the cover 4 Slide the mullion in the opposite direction and remove it from the mullion rail Fig 35 5 Disconnect the mullion heater wire connector from the wiring harness plug MULLION RAIL COVE...

Page 30: ... DESIGN 12 14 cu ft Top Mount WIRING DIAGRAM Early Mullion Stile Heater Design STRIP CIRCUITS Early Mullion Stile Heater Design COOLING CYCLE Compressor Circuit at instant of start Compressor Circuit running ...

Page 31: ...25 OLD DESIGN 12 14 cu ft Top Mount Defrost Timer Motor Circuit Evaporator Fan Motor Circuit DEFROST CYCLE Defrost Heater Circuit Defrost Timer Motor Circuit ...

Page 32: ...26 OLD DESIGN 12 14 cu ft Top Mount REFRIGERATOR LIGHT CIRCUIT MULLION HEATER CIRCUIT ...

Page 33: ...27 OLD DESIGN 12 14 cu ft Top Mount OLD DESIGN 14 cu ft TOP MOUNT WIRING DIAGRAM Recent Mullion Stile Heater Design ...

Page 34: ... Top Mount OLD DESIGN 14 cu ft TOP MOUNT STRIP CIRCUITS Recent Mullion Stile Heater Design COOLING CYCLE Compressor Circuit at instant of start Compressor Circuit running Defrost Timer Motor Circuit Evaporator Fan Motor Circuit ...

Page 35: ...29 OLD DESIGN 12 14 cu ft Top Mount REFRIGERATOR LIGHT CIRCUIT MODULAR ICE MAKER CIRCUIT Defrost Timer Motor Circuit Mullion and Stile Heater Circuit DEFROST CYCLE Defrost Heater Circuit BR ...

Page 36: ...30 OLD DESIGN 12 14 cu ft Top Mount OLD DESIGN 14 cu ft TOP MOUNT WIRING DIAGRAM Adaptive Defrost Control with Current Mullion Stile Heater Design COOLING CYCLE Energizing Electronic Defrost Control ...

Page 37: ...Compressor Circuit at instant of start DEFROST CYCLE Defrost Heater Circuit Monitoring Compressor Run Time Monitoring Defrost Heater Run Time ELECTRONIC DEFROST CONTROL ELECTRONIC DEFROST CONTROL ELECTRONIC DEFROST CONTROL ELECTRONIC DEFROST CONTROL ELECTRONIC DEFROST CONTROL ...

Page 38: ...32 OLD DESIGN 12 14 cu ft Top Mount MULLION AND STILE HEATER CIRCUIT EVAPORATOR FAN MOTOR CIRCUIT REFRIGERATOR LIGHT CIRCUIT MODULAR ICE MAKER ELECTRONIC DEFROST CONTROL ELECTRONIC DEFROST CONTROL ...

Page 39: ...ms in place 4 Place the unit in its installed position Leveling the Refrigerator Freezer INSTALLATION CONSIDERATIONS Minimum Clearance Measure the opening at the location in which the refrigerator freezer is to be installed and make sure the following minimum clearance dimensions are followed Top At least 3 7 5cm clearance between the overhead cabinet and the refrigerator freezer top Dimension A F...

Page 40: ...re grounding receptacle meeting all national and local electrical codes is required It is recommended that a separate circuit serving only this appliance be provided The power cord must be plugged into a 3 prong grounding type wall receptacle grounded in accordance with the National Electrical Code ANSI NFPA 70 latest edition and local codes and ordinances It is the personal responsibility of the ...

Page 41: ...frigerator door with the cabinet edge c Tighten the center hinge 4 To align the freezer door a If the refrigerator door is properly aligned DO NOT ADJUST THE CENTER HINGE b Loosen the top hinge Fig 41 and align the top of the freezer door with the top of the cabinet c Tighten the top hinge 5 Check the door gasket gap on the hinged side of the door The gap should be straight and even and the proper...

Page 42: ... site side of the door 9 Lay the refrigerator door on a flat protected surface and remove the door handle Fig 42 10 Reinstall the refrigerator door handle on the opposite side of the door 11 Move the bottom hinge to the opposite side of the cabinet and reinstall it 12 Set the refrigerator door on the bottom hinge and close the door to keep it in place 13 Reinstall the center hinge 14 Set the freez...

Page 43: ...n angles up to the front of the cabinet 2 At the separator between the refrigerator and freezer compartments the loop turns right and travels across the mullion 3 then up the right stile 4 across the top mullion 5 and down the left stile 6 The loop then angles back toward the left rear corner of the cabinet 7 Finally it turns in 8 and down through a grommet Fig 44 Fig 44 ...

Page 44: ... the air tower Some of the air in the air tower travels down the chimney into the refrigerator compartment and is discharged through the front narrow slot and back wide slot of the diffuser Fig 45 INSET The fan draws circulating air from the refrigerator through two return air ducts at the back of the separator From there the air travels up behind the evaporator cover and across the evaporator coi...

Page 45: ...S Component Location ELECTRIC SHOCK HAZARD Disconnect the electrical power before servicing any components Failure to do so can result in death or electrical shock WARNING AIR TOWER EVAPORATOR FAN CONDENSER COLLECTOR PAN COMPRESSOR EVAPORATOR Fig 46 ...

Page 46: ...ock the tab and disconnect the control box plug from the wiring harness connector Servicing the Defrost Timer The defrost timer is held inside the control box by three clips The thermostat sensor tube rests in a slot at the back of the control box and must be removed from the slot and positioned out of the way when the defrost timer is removed 1 Unclip the sensor tube from the groove at the back o...

Page 47: ...ress the knob over the tabs ORANGE WIRE RED WIRE GREEN WIRE TAB TAB TAB TABS THERMOSTAT UNSNAP SENSOR TUBE FROM BACK OF UNIT KNOB WIDE SLOT NARROW SLOT Servicing the Freezer Section The Bi Metal Evaporator Fan and Defrost Heater can all be accessed in the Freezer Section after the Evaporator Cover has been removed Removing the Evaporator Cover 1 Open the freezer door and remove the ice cube trays ...

Page 48: ... the tab of the evaporator cover 8 Remove the two 2 hex head screws from the top of the evaporator cover and the two he head screws from the fan motor bracket and remove the evaporator cover Servicing the Evaporator Fan Motor 1 Remove the two 2 screws securing the fan motor bracket to the rear wall of the freezer section Fig 52 2 Disconnect the three wires from the fan motor terminals Fig 53 INSET...

Page 49: ...he Defrost Heater The Defrost Heater can be accessed once the evaporator cover is removed 1 Disconnect the defrost heater wiring connector from the wiring harness plug Fig 55 Inset 2 Cut the bottom of the left defrost heater bracket with a pair of metal cutting shears Fig 55 Inset 3 Bend the bottom of the bracket DOWN and remove the end of the heater Fig 55 Inset 4 Slide the other end of the heate...

Page 50: ...r tower settings the air tower must be removed from the evaporator cover at the back of the freezer section See Figure 56 page 45 1 Open the freezer door and remove all the contents 2 Remove the two 2 Phillips head screws or plastic canoe clips securing the front of the freezer s inner floor 3 Remove the two 2 Phillips head screws securing the rear of the freezer inner floor Re move the inner floo...

Page 51: ...e the top of the rear panel of the air tower just far enough to slide the tab out of the slot marked MID then slide the panel so that the slot marked WARMER is lined up with the tab Press firmly against the slot in the panel until the tab breaks through the plastic web REAR PANEL RAISE FRONT OF REAR PANEL AND SLIDE IN EITHER DIRECTION TO POSITION TAB OVER DESIRED SLOT COLDER SETTING INCREASES FREE...

Page 52: ...46 NEW DESIGN 14 cu ft Top Mount WIRING DIAGRAM STRIP CIRCUITS COOLING CYCLE Compressor Circuit at instant of start ...

Page 53: ...47 NEW DESIGN 14 cu ft Top Mount Compressor Circuit running Defrost Timer Motor Circuit Evaporator Fan Motor Circuit DEFROST CYCLE Defrost Heater Circuit PK ...

Page 54: ...48 NEW DESIGN 14 cu ft Top Mount Defrost Timer Motor Circuit REFRIGERATOR LIGHT CIRCUIT MODULAR ICE MAKER CIRCUIT ...

Page 55: ... sit to level the board 3 Remove the board and leave the shims in place 4 Place the unit in its installed position Leveling the Refrigerator Freezer INSTALLATION CONSIDERATIONS Minimum Clearance Measure the opening at the location in which the refrigerator freezer is to be installed and make sure the following minimum clearance dimensions are followed Top At least 3 7 5cm clearance between the ove...

Page 56: ...a 3 wire grounding receptacle meeting all national and local electrical codes is required It is recommended that a separate circuit serving only this appliance be provided The power cord must be plugged into a 3 prong grounding type wall receptacle grounded in accordance with the National Electrical Code ANSI NFPA 70 latest edition and local codes and ordinances It is the personal responsibility o...

Page 57: ...he refrigerator door with the cabinet edge c Tighten the center hinge 4 To align the freezer door a If the refrigerator door is properly aligned DO NOT ADJUST THE CENTER HINGE b Loosen the top hinge Fig 61 and align the top of the freezer door with the top of the cabinet c Tighten the top hinge 5 Check the door gasket gap on the hinged side of the door The gap should be straight and even and the p...

Page 58: ...he oppo site side of the door 9 Lay the refrigerator door on a flat protected surface and remove the door handle Fig 62 10 Reinstall the refrigerator door handle on the opposite side of the door 11 Move the bottom hinge to the opposite side of the cabinet and reinstall it 12 Set the refrigerator door on the bottom hinge and close the door to keep it in place 13 Reinstall the center hinge 14 Set th...

Page 59: ... the separator between the refrigerator and freezer compartments the loop turns straight up traveling behind the left front flange 3 then across the top front flange 4 down the right front flange 5 and across the separator mullion 6 The loop then angles back toward the left rear corner of the cabinet 7 Finally it turns in 8 and down through a grommet Fig 64 HEAT LOOP INLET HEAT EXCHANGER HEAT LOOP...

Page 60: ...els between the floor and the liner where it joins other return air at the back flowing beneath the evaporator cover and up through the evaporator coil Some of the air from the evaporator fan travels down the air tower into the refrigerator compartment and is discharged through the diffuser The amount of air entering the refrigerator compartment through the diffuser is determined by the position o...

Page 61: ...ion ELECTRIC SHOCK HAZARD Disconnect the electrical power before servicing any components Failure to do so can result in death or electrical shock WARNING AIR TOWER DEFROST TIMER EVAPORATOR CONTROL BOX THERMOSTAT AIR DAMPER COLLECTOR PAN COMPRESSOR CONDENSER FAN CONDENSER Fig 66 ...

Page 62: ...ecuring the control box to the top of the refrigerator section Lower the front of the control box slightly 4 Disconnect the light connector from the wiring harness plug 5 Disconnect the main wiring harness plug from the receptacle mounting in the top of the refrigerator section 6 Pull the control box forward to release the two 2 tabs securing the back of the control box to the tabs in the refriger...

Page 63: ...l remain in position when the control box is reinstalled in the refrigerator Fig 69 PUSH ON LOCKING ARM TO REMOVE DEFROST TIMER DEFROST TIMER CONNECTOR HOLDING TABS Fig 70 DEFROST TIMER CONNECTOR DEFROST TIMER IF NECESSARY CLIP OFF TOPS OF PINS PIN CLIP Servicing the Thermostat 1 Disconnect the Red Orange and Green wires from the thermostat terminals Fig 71 2 Unclip the right end of the thermostat...

Page 64: ...per ated electronic light switching system If the unit being serviced does NOT have a rocker switch on the freezer light assembly follow these instructions Door Magnet The door magnet may be attached to the door with only an adhesive or it may have a mounting screw Replacement door magnets are supplied with a pre drilled hole and a self tapping screw 1 If the door magnet does not have a mount ing ...

Page 65: ...emain attached at this point 3 Slide the electrical shield from the back of the assembly 4 Both the electronic light switch board and the light socket can be unsnapped from the back of the assembly Disconnect the wiring connectors from the terminals on the electronic light switch circuit board or light socket FREEZER LIGHT SOCKET FREEZER LIGHT ASSEMBLY MOUNTING SCREW COVER ELECTRONIC LIGHT SWITCH ...

Page 66: ... inside the assembly The wiring harness will remain attached at this point 2 Slide the electrical shield from the back of the assembly 3 The rocker switch and light socket can now be unsnapped from the freezer light assembly and the wiring harness connectors can be removed from the switch and socket terminals SHOWN ROTATED 90 FREEZER LIGHT SOCKET WIRING FREEZER LIGHT ASSEMBLY ROCKER SWITCH WIRING ...

Page 67: ...move the two 2 Phillips screws from the top of the Evaporator Cover on both sides of the Air Tower 3 Pull the top of the Evaporator cover forward and carefully lift the base of the Air Tower out of the freezer liner cutout and remove the Evaporator Cover Removing the Air Return Covers Each Air Return Cover consists of two 2 sections When lifting the Air Return Covers out of the freezer liner hold ...

Page 68: ... remove the Bi Metal Fig 76 Inset 2 NOTE When installing a new Bi Metal it will be necessary to strip approximately 3 8 of the insulation from the wiring harness leads as well as the replacement Bi Metal pigtails Wire nuts are supplied with the replacement Bi Metal to complete this repair WHITE WIRE GREEN WIRE RED WIRE HEX WASHER HEAD SCREW HEX WASHER HEAD SCREW INSET 1 HEATER BI METAL WIRE CLIPS ...

Page 69: ...nector from the wiring harness plug at the terminal block 2 Unclip the Defrost heater lead from the clips that are along the top of the fan motor bracket 3 Bend the bottom tabs up on the left and right defrost heater brackets with a pair of pliers and remove the heater element from the brackets Fig 77 Inset 1 4 Spread the bottom of the center support clip and remove the heater from the freezer Fig...

Page 70: ... LINE DESIGN 16 thru 22 cu ft Top Mount WIRING DIAGRAM Neutral Path To Defrost Timer Motor through Defrost Heater and Compressor Run Winding STRIP CIRCUITS COOLING CYCLE Compressor Circuit at instant of start ...

Page 71: ...65 MID LINE DESIGN 16 thru 22 cu ft Top Mount Condenser Fan Motor Circuit Defrost Timer Motor Circuit Evaporator Fan Motor Circuit Compressor Circuit running ...

Page 72: ...66 MID LINE DESIGN 16 thru 22 cu ft Top Mount DEFROST CYCLE Defrost Heater Circuit Defrost Timer Motor Circuit REFRIGERATOR LIGHT CIRCUIT MODULAR ICE MAKER CIRCUIT PK ...

Page 73: ...67 MID LINE DESIGN 16 thru 22 cu ft Top Mount WIRING DIAGRAM Direct Neutral Path to Defrost Timer Motor ...

Page 74: ...NE DESIGN 16 18 cu ft TOP MOUNT STRIP CIRCUITS Direct Neutral Path to Defrost Timer Motor COOLING CYCLE Compressor Circuit at instant of start Compressor Circuit running Defrost Timer Motor Circuit Evaporator Fan Motor Circuit Condenser Fan Motor Circuit ...

Page 75: ...69 MID LINE DESIGN 16 thru 22 cu ft Top Mount DEFROST CYCLE Defrost Timer and Defrost Heater Circuit REFRIGERATOR LIGHT CIRCUIT MODULAR ICE MAKER ...

Page 76: ...70 MID LINE DESIGN 16 thru 22 cu ft Top Mount NOTES ...

Page 77: ... that came with the refrigerator GENERAL WARM ROOM 1 A warm room or other large source of heat such as a range heater hot air duct sunny window can affect the performance of the re frigerator If the room ambient temperature exceeds 100 F running time will approach 100 2 At temperatures approaching 120 F the re frigerator may cycle on the overload 3 In general the warmer the room the greater the ru...

Page 78: ...re four conditions that make entering the sealed system necessary 1 Incorrect amount of refrigerant 2 Restriction of refrigerant flow 3 Refrigerant leak 4 Compressor not operating correctly Current U S Environmental Protection Agency regulations require specific procedures and equip ment for the collection and disposal of any refrigerant used in the sealed system of a domestic refrig erator freeze...

Page 79: ...technician 5 Check circuit from power source to com pressor 6 Check capacitor and replace if defective 7 Check winding with ohmmeter See wir ing diagram for resistance values Re place compressor if motor is defective 8 a Timer may be in defrost cycle Turn clockwise past 2 o clock b Wired wrong c Check timer and replace if defective 9 Try starting with starting cord If compres sor won t start call ...

Page 80: ...more of free air space above the cabinet 5 Check each component and replace defective part 6 Check motor winding with ohmmeter Replace compressor if motor is defective Call for a qualified service technician 7 Call for a qualified service technician 8 Call for a qualified service technician Freezer compartment too warm Parts of this diagnosis and service procedure must be performed by a qualified ...

Page 81: ...efrigerator compartment too warm Parts of this diagnosis and service procedure must be performed by a qualified refrigeration system service technician 1 Thermostat a Set too warm b Sensing tube not properly located c Out of calibration or not functioning 2 Air control closed 3 Abnormal use 4 Bad door seal or door not closing 5 High ambient temperature 6 Cabinet light s 7 Excessive frost on evapor...

Page 82: ...cessible area fill with fiberglass Internal sweating 1 Abnormal Use 2 Door seal 3 Insufficient air circulation 1 Instruct customer to cover foods and liquids 2 Check door seal and adjust door Instruct customer to be sure door closes completely 3 a Make sure return air flow is not restricted b Increase cold air flow by operating refrigerator compartment as cold as possible without freezing food Inc...

Page 83: ...er and manually turn the timer clockwise until you hear it click This will place the timer in the defrost posi tion If the refrigerator was running the compressor and fan s will turn off 2 Unplug the unit 3 Disconnect the 4 wire connector from the timer 4 Set the ohmmeter to the Rx10K scale 5 Zero the meter CHECKING THE MOTOR 1 Paragon Timer The motor windings have a capacitor connected in series ...

Page 84: ...h the meter probes to timer terminals PK and BK 3 Touch the meter probes to timer terminals PK and OR COOLING MODE 1 Use the screwdriver and manually advance the timer turn 2 Touch the meter probes to timer terminals BK and OR 3 Touch the meter probes to timer terminals PK and BK Touch the meter probes to the overload terminals The PTC relay cannot be tested To determine its reliability unplug it ...

Page 85: ...r is cold enough to close the bi metal contacts 32 F closed 55 F open Place the probes on the Brown and Pink leads in the control box 12 cu ft Mullion Heater Design Timer in the Defroat Mode Thermostat closed Touch one probe the the Blue terminal of the Test Plug and the other probe to any White terminal Meter should read 0Ω Disconnect the wire connec tors from the evaporator fan motor and touch t...

Page 86: ...am until it clicks a second time Just a few degrees back to the cooling cycle 6 Place the probes of a VOM on the 1 and 4 terminals The VOM should read continuity To Test the Timer Motor 1 Set volt ohm meter on Rx10K scale 2 Place the probes of a VOM on the 2 and 3 terminals a On Mallory timers the VOM should read between 6K and 9K ohms b Set volt ohm meter to highest setting On Paragon timers the ...

Page 87: ...e volt ohm meter to the Rx1 scale 4 Place the probes of a VOM on the two terminals The VOM should read continuity 5 Set it to the OFF position 6 Place the probes of a VOM on the two terminals The VOM should read infinity open circuit NOTE This check only varifies continuity through the thermostat switch not the accuracy of the temperature sensing mechanism Testing Thermostat Switch ...

Page 88: ... motor terminals 2 Place the probes on the two outer terminals of the fan motor 4 The VOM should read approximately 1 100 ohms 5 Set the VOM to the highest scale to check for shorted windings Place one probe on one of the outer terminals and the other probe on the motor housing Then touch the probe to the other outside terminal In both cases the meter should show an open circuit ...

Page 89: ...section is at operating tem perature cold 4 Place the probes of a VOM in the two terminals of the test lead plug The VOM should read continuity Brown Wire Pink Wire Bi Metal To Test the Bi Metal Mullion Evaporator Design 1 Follow the procedure for removing the control box on the specific unit being serviced 2 Locate the test leads a black and a blue wire located with the defrost timer 3 Set the vo...

Page 90: ...rown Wire Any White Wire Connector NOTE In Mullion Evaporator Models the test lead wire color is blue Compressor The Compressor can be tested with an Ohmmeter To Test the Compressor 1 Remove the PTC Start Relay and Overload Protector from the terminals of the compressor 2 Place the probes of a VOM Rx1 scale on terminals C and S The VOM should read between 6 and 22 ohms 3 Place the probes of a VOM ...

Page 91: ...85 Testing Start Winding Testing Run Winding Testing for Short to Ground M Compressor Terminal Configurations C S M R S S M R M R C C ...

Page 92: ...ther probe in the start pin receptacle left side a In the upright position the VOM should show infinity open circuit b In the inverted position the VOM should show continuity Overload The Overload can be tested with an ohmmeter set on the Rx1 scale To Test the Overload 1 Locate the overload mounted to the compressor and remove it Disconnect all wire leads 2 Set the volt ohm meter to the Rx1 scale ...

Page 93: ...w infinity open circuit If the meter does not deflect or the meter shows continuity the capacitor is defective To Test the PTC Type Start Relay Test the compressor and overload before performing this test 1 Locate the start relay connected to the terminals of the compressor Pull the relay from the compressor terminals and disconnect all wires 2 Set the volt ohm meter to the Rx1K scale 3 Place the ...

Page 94: ...___ C Thermostat set too cold ____ D Void in insulation 4 If you are testing the main winding of the compressor what should the meter reading be ____ A 1Ω to 5Ω ____ B 7Ω to 10Ω ____ C 12Ω to 14Ω ____ D 50Ω to 75 Ω Place an X in the blank next to the correct answer s to the following servicing situations 5 If you are testing the start winding of the compressor what should the meter reading be ____...

Page 95: ... it in the unit The replacement timer terminals are numbered ALWAYS CONNECT THE CABINET LEADS TO THE SAME NUMBERED TERMI NALS AS THE DEFECTIVE TIMER Check the wiring diagram label on the back of the cabinet or on the Tech Sheet located in the unit compartment If the wiring schematic looks like the one below the timer motor circuit is routed directly to neutral The black jumper wire on the timer sh...

Page 96: ...bly of these doors gasket replacement procedures are quite different than doors assembled with screws Follow these instructions carefully Before Starting 1 Check to make sure the correct size gasket is on hand 2 Remove the door from the refrigerator freezer and place it outer panel down on a protected surface Removing the Old Gasket 1 Start from the middle of one of the longer sides and carefully ...

Page 97: ...ife to clean any debris from between the lip of the inner liner and outer panel Do not insert the putty knife more than Installing a New Gasket 1 To install the service replacement gasket place the hard lower section of the gasket under the lip of the inner liner at one corner Then repeat the process at an opposite corner Use corners 1 2 or 3 4 INSERT KNIFE TO CLEAN OUT DEBRIS 3 1 4 2 FLANGE LIP ...

Page 98: ...the door and the cabinet should be 11 16 or about the diameter of an American dime Check the gap in several places along each side of the door REATTACHING PRODUCTION GASKET Repair of Loose Service Replacement Gasket Should the edge of the inner liner pull away from the outer panel flange or not properly secure the gasket a service screw kit part No 4318172 is available for repairing this problem F...

Page 99: ...ll be used to locate where the screws will be installed 3 Drill 1 8 pilot holes at the dimples NOTE More than one 1 screw may be needed CAUTION Do not let the drill chuck hit the inner panel as it may scratch the inner panel CAUTION Do not over drive the screw as it may crack the plastic inner liner edge 4 Install the screws supplied in the FIP Door Gasket Repair Kit Part No 4318172 5 Roll the gas...

Page 100: ...reezer is already in defrost Test Mode can be terminated by unplugging the refrigerator freezer from the wall outlet and waiting 30 seconds before plugging it back in The refrigerator freezer should immediately go into cooling mode if the thermostat is closed If this first test procedure fails to make the ADC initiate a defrost cycle try the following procedure to make the ADC begin the Test Mode ...

Page 101: ... resistor marked R17 by cutting in two places with wire cutters as shown below CUT AND REMOVE THIS SECTION SERIAL NUMBER MANUFACTURER LOCATION E Evansville VS Vitro Supermatic EW W C Wood I Inglis Ltd YEAR OF MANUFACTURE WEEK OF MANUFACTURE PRODUCT SEQUENCE NUMBER SERIAL and MODEL NUMBER DESIGNATORS WHIRLPOOL SERIAL NUMBERS E E 03 10003 YEAR CODE 0 1980 2010 E 1995 2025 1 1981 2011 F 1996 2026 2 1...

Page 102: ...No Frost N Deluxe No Frost X Variation O Promotion Special Z Variation Promo FEATURE CODE C Conventional Ice Tray K Ice Maker Optional ENERGY POWER DESIGNATOR Numeric X Original 1 One etc YEAR OF INTRODUCTION K 1982 2001 V 1989 2008 D 1995 2014 L 1983 2002 W 1990 2009 E 1996 2015 M 1984 2003 X 1991 2010 F 1997 2016 P 1985 2004 Y 1992 2011 G 1998 2017 R 1986 2005 A 1993 2012 H 1999 2018 S 1987 2006...

Page 103: ...iation I Wire Powder J Custom No Frost Y Promo Spec FIP Door FEATURE CODE C Conventional Ice Tray M Factory Installed Ice Maker K Ice Maker Adaptable F FIP Door DOOR SWING YEAR OF INTRODUCTION K 1982 2001 V 1989 2008 D 1995 2014 L 1983 2002 W 1990 2009 E 1996 2015 M 1984 2003 X 1991 2010 F 1997 2016 P 1985 2004 Y 1992 2011 G 1998 2017 R 1986 2005 A 1993 2012 H 1999 2018 S 1987 2006 B 1994 2013 J 2...

Page 104: ...1995 W 1990 E 1996 X 1991 F 1997 Y 1992 G 1998 A 1993 H 1999 COLOR CODE W White N Almond ENERGY POWER DESIGNATOR Numeric 0 Original 1 One etc ENGINEERING CHANGE Numeric R T 14 C K D V W 0 0 SERIAL NUMBER MANUFACTURER LOCATION E Evansville VS Vitro Supermatic EW W C Wood YEAR OF MANUFACTURE WEEK OF MANUFACTURE PRODUCT SEQUENCE NUMBER E E 03 10003 YEAR CODE 0 1980 2010 E 1995 2025 1 1981 2011 F 1996...

Page 105: ... 2000 C Constant D 1995 COLOR CODE W White N Almond ENERGY POWER DESIGNATOR Numeric 0 Original 1 One etc ENGINEERING CHANGE Numeric T T 14 C K R D W 0 0 SERIAL NUMBER MANUFACTURER LOCATION E Evansville VS Vitro Supermatic EW W C Wood YEAR OF MANUFACTURE WEEK OF MANUFACTURE PRODUCT SEQUENCE NUMBER E E 03 10003 YEAR CODE 0 1980 2010 E 1995 2025 1 1981 2011 F 1996 2026 2 1982 2012 G 1997 2027 3 1983 ...

Page 106: ... the problem ____ A Defective Bi Metal ____ B Condensate drain clogged ____ C Thermostat set too cold _X__ D Void in insulation 4 If you are testing the main winding of the compressor what should the meter reading be _X__ A 1Ω to 5Ω ____ B 7Ω to 10Ω ____ C 12Ω to 14Ω ____ D 50Ω to 75 Ω 5 If you are testing the start winding of the compressor what should the meter reading be ____ A 1Ω to 5Ω _X__ B ...

Page 107: ...VII ...

Page 108: ...VIII CORPORATION ...

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