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2. Compensation circuit for temperature at freezer

•

This circuit allows adjustment of the set temperature for compensation by changing jumpers at locations JCR1~JCR4.

Compensation

for weak-cold

for over-cold

Temperature compensation value

Remarks

JCR3

JCR4

JCR1

JCR2

at refrigerator

0 °C (In shipment from factory)

CUT

-1 °C [-1.8 °F]

CUT

-1 °C [-1.8 °F]

CUT

+1 °C [+1.8 °F]

CUT

+1 °C [+1.8 °F]

CUT

-2 °C [-3.6 °F]

CUT

+2 °C [+3.6 °F]

CUT

0 °C [0 °F]

CUT

0 °C [0 °F]

CUT

0 °C [0 °F]

CUT

0 °C [0 °F]

CUT

-1 °C [-1.8 °F]

CUT

+1 °C [+1.8 °F]

CUT

0 °C [0 °F]

Temperature compensation in CUT

JCR1

+1 °C [+1.8 °F]

+2 °C [+3.6 °F]

JCR2

+1 °C [+1.8 °F]

JCR3

-1 °C [-1.8 °F]

-2 °C [-3.6 °F]

JCR4

-1 °C [-1.8 °F]

- 25 -

Содержание 795.58822.900

Страница 1: ...AL Sears Roebuck and Co Hoffman Estates IL60179 U S A www sears com CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODELS 795 58822 900 795 58823 900 795 58826 900 795 58829 900 SXS REFRIGERATOR R ...

Страница 2: ...3 HOW TO INSTALL REFRIGERATOR 4 MICOM FUNCTION 6 EXPLANATION FOR MICOM CIRCUIT 7 ICEMAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 8 TROUBLE DIAGNOSIS 9 HOW TO DISASSEMBLE AND ASSEMBLE 10 EXPLODED VIEW AND 5 CIRCUIT 795 58822 58823 58826 58829 900 3 4 5 6 9 15 17 28 31 69 74 80 2 ...

Страница 3: ...gaged Remove dust and foreign materials from the housing and connecting parts 8 Do not fray damage run over kink bend pull out or twist the power cord 9 Please check for evidence of moisture intrusion in the electrical components Replace the parts or mask with insulation tape if moisture intrusion was confirmed 10 Do not touch the icemaker with hands or tools to confirm the operation of geared mot...

Страница 4: ...liability in connection with its use 1 2 IMPORTANT NOTICE Temperature Control Position MID 6 F to 8 F Defrost Control Automatic Defrost Thermostat 50 F Electrical Rating 115VAC 60Hz 1 7 A Maximum Current Leakage 0 5mA Maximum Ground Path Resistance 0 1 Ohms Energy Consumption 27 cu ft 590kWh yr Energy Star And ambient of 70 F 90 F Fresh Food F 33 F to 41 F 33 F to 41 F Frozen Food F 4 F to 4 F 45 ...

Страница 5: ...er Filter Lamp Shelf steel Lamp Shelf steel Drawer Lower Cover Shelf Snack Drawer Automatic Ice maker Door Rack Door Rack Vegetable Drawer Door Rack Vegetable Drawer If you find some parts missing from your unit they may be parts only used in other models Wire Plastic Lamp Door Rack Door Rack Door Rack Humidity control ...

Страница 6: ...he narrow side of the tool for adjustment turn the adjustment hinge pin 1 clockwise or counterclockwise to level the refrigerator and freezer door 2 After setting the level of the door turn the keeper nut counterclockwise to tighten Do not force too hard to level the height The hinge pin can be pulled out Adjustable range of height is a maximum of 0 2 0 508 cm The refrigerator door will close smoo...

Страница 7: ...ach the sticker Insert the upper part of the filter after aligning with the guideline marked on the control box and fasten it by turning it clockwise by 90 degrees Note Check that the guideline and the fastening indication line are aligned 2 Replacement of water filter While holding the lower part of the filter turn it counterclockwise by 90 degrees and pull it down Note Check that the guideline a...

Страница 8: ...st mode 2 T est the operation of the operating part of the icemaker 3 If there is no problem with the operation water is supplied through the water tube up to the selected lebel of water 4 The test mode is completed after the water is supplied Note When using the test mode more than twice consecutively water can overflow When the water overflows wipe the ice storage bin It is acceptable if the adj...

Страница 9: ... for Refrigerator and 0 F for freezer You can adjust the Refrigerator and the Freezer control temperature by pressing the ADJUST button 2 When the power is initially applied or restored after a power failure it is set to Control temperature Previously 1 2 How to Toggle the Display between F C 1 The initial setting is F and the display temperature mode can be changed from F to C or C to F by pressi...

Страница 10: ...n initial Power On Filter RESET Replace indicator light on Classification Filter Status Display 1 5 Ultra Ice selection Please select this function for quick freezing Function is repeat Ultra Ice Icon whenever pressing Ultra Ice button Ultra Ice function automatically turns off after a fixed time passes 1 6 Dispenser use selection You can select water or ice Select water crushed ice or ice cubes b...

Страница 11: ...ompressor and Freezer Fan will be ON The next 21 hours the freezer will be controlled at the lowest temperature After 24 hours or if the Ultra Ice key is pressed again the freezer will return to its previous temperature 5 During the first 3 hours 1 Compressor and freezer fan HIGH RPM run continuously 2 If a defrost cycle begins during the first 90 minutes of Ultra Ice the Ultra Ice cycle will comp...

Страница 12: ...s 3 Defrosting stops if the sensor temperature reaches 41ºF 5ºC or more If the sensor doesn t reach 41ºF 5ºC in 1 hours the defrost mode is malfunctioning Refer to the defect diagnosis function 8 1 15 4 Defrosting won t function if its sensor is defective wires are cut or short circuited 1 15 Defect Diagnosis Function 1 Automatic diagnosis makes servicing the refrigerator easy 2 When a defect occu...

Страница 13: ...CIRCUIT REFRIGERATOR R2 SENSOR SHORT OPEN CIRCUIT NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPERATION NORMAL OPE...

Страница 14: ...ain PCB NOTE Test mode will not begin if an error code is displayed NOTE During the Test mode display board buttons will not operate After finishing the Test mode always unplug and replug in the refrigerator to reset to normal operation Demonstration MODE Display shows the word OFF The refrigerator control has been put into the store Demo Demonstration Mode The Demonstration Mode disables the cool...

Страница 15: ...W N N BL BL Cr Cr PTC PTC BK BK L L OLP OLP COMP ACCESSORIES COMP ACCESSORIES COMBO KIT COMBO KIT PTC OLP PTC OLP 4 LD LQ COMP LD LQ COMP EG COMP EG COMP P T C OPTION P T C OPTION COMP ACCESSORIES CAPACITOR PART EVA FAN CONDENSER FAN THERMO FUSE E E GY 5 CIRCUIT 15 ...

Страница 16: ... 16 CON1 CON2 CON3 CON4 CON5 CON6 CON7 CON8 CON10 CON9 ...

Страница 17: ...circuit IC3 and IC4 Caution Since high voltage 160 Vdc is maintained at the power terminal wait at least 3 minutes after unplugging the appliance to check the voltages to allow the current to dissipate Voltage of every part is as follows 6 EXPLANATION FOR MICOM CIRCUIT Part VA1 CE1 CE2 CE3 CE4 CE5 Voltage 120 Vac 160 Vdc 14 Vdc 12 Vdc 15 5 Vdc 5 Vdc The part highlighted in green are the components...

Страница 18: ...AC 0 VAC OFF 110 127VAC 110 127VAC 110 127VAC 110 127VAC 110 127V AC 110 127VAC 110 127VAC 110 127VA C 110 127VAC ON STATUS CON5 PIN 5 7 CON4 PIN 1 CON5 PIN 5 CON4 PIN 3 CON5 PIN 5 CON4 PIN 5 CON5 PIN 5 CON4 PIN 7 CON5 PIN 5 CON3 PIN5 9 CON2 PIN 1 7 CON3 PIN 3 7 CON2 PIN 3 5 Measuring Part Solenoid Dispenser Pilot Water Solenoid Cube Geared Motor Dispenser Heater Refrigerator LAMP Defrost Heater C...

Страница 19: ...ince door switches A and B are interconnected if either fails the other will not respond properly If either switch fails the light will not come on Closing 5 V A B C D Switch at both ends are at Off status Opening 0 V A B C D Switch at both ends are at On status Measuring part Door of Freezer Refrigerator IC1 MICOM PIN 39 40 ...

Страница 20: ...PIN9 10 2 GY C F CON7 PIN1 2 2 WH D D CON7 PIN3 4 2 BO E R1 CON9 PIN5 6 2 WH F R2 CON9 PIN7 8 2 GY 1 4 Switch entry circuit The following circuit are sensing signal form the test switch damper motor reed switch for testing and diagnosing the refrigerator Test button Main PCB 1 3 Temperature sensing circuit ...

Страница 21: ...and OP2 in short these circuits are preset at the factory and can not be altered 1 6 Stepping motor operation circuit CONNECTOR 9 STEPPING MOTOR PIN 9 10 11 12 RD YL BK BL 21 Separation Connection Status Application Standard Short M Room Open Non M Room Short Dispenser Open Dispenser Less OP1 OP2 ...

Страница 22: ...y sending signals of 3 33 mSEC via MICOM pins 33 34 and 35 as shown in the chart below These signals are output via terminals 10 11 14 and 15 via input terminals 3 6 and 8 of IC10 TA7774P the motor drive chip The output signals allow the coils wound on each phase of the stator to form a magnetic field which causes rotation Input to the terminals INA and INB of IC10 as shown in the chart below driv...

Страница 23: ...eed of the fan motor by varying the DC voltage between 7 5 Vdc and 16 Vdc 3 This circuit stops the fan motor by cutting off power to the fan when it senses a lock up condition a d part b part e part Motor OFF 5V 2V or less 2V or less Motor ON 2 3V 12 14V 8 16V 4 The ground is connector 7 pin 2 CON7 C FAN PIN 9 10 11 GY BN SB CON7 F FAN PIN 12 13 14 YL PR BL 23 ...

Страница 24: ...Up Up Up 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C 3 C 8 2 k 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F Refrigerator Down Down Down Drop change Up Up Up Up Up Up RCR1 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C 1 5 C 2 C 2 5 C 10 k 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F Down Down Down Down Down change Up Up Up Up Up 3 C 2 5 C 2 C 1 5 C 1 C 0 5 C No 0 5 C 1 C...

Страница 25: ... compensation value Remarks JCR3 JCR4 JCR1 JCR2 at refrigerator 0 C In shipment from factory CUT 1 C 1 8 F CUT 1 C 1 8 F CUT 1 C 1 8 F CUT 1 C 1 8 F CUT CUT 2 C 3 6 F CUT CUT 2 C 3 6 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT CUT 1 C 1 8 F CUT CUT CUT 1 C 1 8 F CUT CUT CUT CUT 0 C 0 F T emperature compensation in CUT JCR1 1 C 1 8 F 2 C 3 6 F JCR2 1 C 1 8 F JCR3 1 C 1...

Страница 26: ...B A bi directional lead wire assembly between the two boards is required for the display to function properly Poor communication occurs if a continuous information exchange fail to continue for more than 2 minutes between main MICOM of main PCB and LED dedicated MICOM for LED control of display PCB Main MICOM LCD LED dedicated MICOM DC 12V GND Transmission error status Reception notch status Main ...

Страница 27: ...t a margin of error Resistance of the cold storage sensor 1 and 2 shall be measured with a digital tester Resistance of the freezing sensor shall be measured with a digital tester after separating CON7 of the PWB ASSEMBLY and the MAIN part Measuring Temperature C Freezing Sensor Cold storage sensor 1 2 Frost removal sensor Outside sensor 20 C 22 3 k 77 k 15 C 16 9 k 60 k 15 C 13 0 k 47 3 k 5 C 10 ...

Страница 28: ...rom the tray into the ICE BIN During harvest mode check if the ice bin is full Performs Ice Making Mode after supplying water by operating the SOLENOID in ICE VALVE To operate LINE and SERVICE press and hold the Fill Key for 3 seconds The icemaker will run through 3 stages Harvest Fill Icemaking With the detect lever checks if the ICE BIN is full Power On 1 Turning the Icemaker stop switch off O s...

Страница 29: ...TE After Icemaker Power is ON the Icemaker heater will be on for test for 6 sec 2 3 Harvest Mode 1 Harvest Ice removing refers to the operation of dropping ices into the ice bin from the tray when icemaking has completed 2 Harvest mode 1 The Heater is ON for 30 seconds then the motor starts 2 The feeler arm senses the quantity of ice in the ice storage bin while rotating with the EJECTOR A Ice sto...

Страница 30: ...gnosis TABLE 3 DEFECT DIAGNOSIS FUNCTION 3 1 ERROR CODES shown on Icemaker water supply control panel ERROR indicators in table can be checked only in TEST mode STAGE ITEMS INDICATOR REMARKS 1 2 3 4 5 6 HEATER MOTOR HALL IC I detection of position HALL IC II detection of position VALVE Reset Five seconds after heater starts a heater will go off if the temperature by sensor is higher than 10 C Five...

Страница 31: ...ion between plug and adapter faulty plug The distance between pins Pin outer diameter No power on power cord COMBO is off No electric power on compressor Faulty compressor Faulty COMBO Disconnected copper wire Internal electrical short Faulty terminal contact Disconnected Capacity of COMBO is small Characteristics of COMBO is wrong Bad connection Power is disconnected Inner Ni Cr wire blows out Ba...

Страница 32: ...igeration oil Caps are missed Air blowing During transportation During work Not performed Performed T oo short time Low air pressure Less dry air Air Blowing Leave it in the air Caps are missed Short pipe insert Pipe gaps T oo much solder T oo large Damaged pipes Not dried in the compressor Elapsed more than 6 months after drying Caps are missed No pressure when it is open During rest time After w...

Страница 33: ...ugh the hole Seal with drain Adiabatics lump input Damage by a screw or clamp Other foreign materials input Parts disconnected Wire is cut Heating wire Contact point between heating and electric wire Dent by fin evaporator Poor terminal contacts Wire is cut Lead wire Heating wire Contact point between heating and electric wire Heating wire is corroded Water penetration Bad terminal connection Chec...

Страница 34: ...tion of case door Sheath Heater rated Heater plate Heater cord L Gap Bad attachment Contraction Bad adhesion Weak binding force at hinge Fan motor Door switch Self locked Wire is cut Bad terminal contact Contact distance Button pressure Melted contact Contact Poor door attachment Door liner dimension Contraction inner liner Misalignment Bad terminal connection Adiabatics liquid leak Faults Refrige...

Страница 35: ...als on rotating parts Fan shroud contact Clearance Damping evaporator contact Accumulated residual frost Fan misuse Bad shape Loose connection Not tightly connected Insert depth Rating misuse Small capacity Low valtage Malfunction of charging cylinder Wrong setting of refrigerant Insufficient compressor Faulty compressor Fan overload Fan misuse Bad low termperature RPM characteristics Rated power ...

Страница 36: ...ty contact Faulty temperature characteristics External air inflow Bushing installed incorrectly Door opens but not closes Gap around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food Door opens but not closes Gasket gap Cool air leak and transmitted High ambient temperature Space is secluded Different rating Small capacity Store ho...

Страница 37: ... 1 Compressor compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration Restrainer Bushing T oo hard seat Distorted Aged Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment COMBO sound Chattering sound Insulation p...

Страница 38: ...screw connection Bad assembly Distortion Foreign materials inside Bad connection Partly damaged Not connected Bad pipe caulking Normal operating sound Vibration sound Aged rubber seat Bad torque for assembling motor bracket Fan guide contact Shroud burr contact Damping evaporator contact Residual frost contact Unbalance Ice on the fan Air intake opposite to motor bushing assembly Supporter disorte...

Страница 39: ...d connection Bad terminal contact Adiabatics liquid leak 1 Lead wire is damaged Wire damage when assembling Bracket Cover Outlet burr in the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal Compressor Compartment terminal T ouching other components Freezer compartment terminal T ouching evaporator pipe 3 Faulty parts Transformer Coil contacts cover Welded terminal p...

Страница 40: ...tment is opened when freezer compartment is closed faulty stopper High Faulty damper control Button is set atweak Door is open interference by food No deodorizer Poor capacity Seal condition Storage of fragrant foods Long term storage Odors from cleaners or items which shroud not be stored in a refrigerator Bigger door foam Hinge Pin tilted Poor flatness No washer No grease Stopper worn out Bad fr...

Страница 41: ...ts Replace with rated fuse Electricity leakage Check the resistance of power cord If fuse blowns out High voltage with tester if it is 0 it is shorted frequently confirm Short circuit of components the cause and prevent tracking due to moisture and dust penetration Problems Causes Checks Measures Remarks Compressor Faulty Combo Check the resistance If resistance is infinite replace it does not Vla...

Страница 42: ...operation Confirm icing causes and repair switch operation Press button to check Replace door switch Faulty button pressure and contact Press button to check operation Door cannot press door switch Door sag fix door button Check visually Door liner bent replace door or attach sheets Bad radiation conditions in Check the clearance between the Keep clearance between The fan may be compressor compart...

Страница 43: ...de 3 Check silver soldered parts Cu Fe Fe Fe 4 Check bending area of wire condenser pipe in compressor compartment cracks can happen during bending 5 Check other parts compressor compartment and evaporators in freezer compartment Shortage of refrigerant Check frost formation on the surface Find out the leaking area repair Drier must be replaced of evaporator in the freezer evacuate and recharge th...

Страница 44: ... warm OK joints might be clogged If it is not condenser outlet weld Disconnect with torch remove the joints might be colgged causes evacuate and recharge seal refrigerant Leak at loop pipe weld joint Check sequence Replace the compressor weld Drier must be replaced discharge in compressor 1 Manually check whether evacuate and recharge refrigerant condenser is warm It is not warm and the frost form...

Страница 45: ... inserting 1 Impurities of ice insert the copper line copper wire Turn off more than 2 Ice through the hole to check 3 hours and pour in hot water if 2 Put hot water into the drain frost is severe check drains outside 2 Put in hot water to melt down frost 3 Check the water outlet 4 Push the heater plate to suction duct manually and assemble the disconnected parts Gap between Suction duct and 1 Con...

Страница 46: ...g soft copper 3 Reassemble the heater plate wire into the duct soft and thin copper not to impair heating wire Bad cool air inflow and discharge 1 Turn on power open or close the 1 Check the faulty connector of and bad defrosting due to faulty door check that motor fan housing and reassemble wrongly contact and insertion bad connector operates If it operates motor fan assembled parts insertion int...

Страница 47: ...placement should compartment Check door assembly conditions conditions and replace it be done when it Faulty gasket Door assembly and replacement cannot be repaired Faulty assembly 3 Overcooling in the refrigerator Check refrigerator compartment Replace faulty parts compartment is overcooled when button Faulty damper in the refrigerator pressed on weak compartment Check parts are faulty Faulty MIC...

Страница 48: ...heck gasket attachment Correct the gasket attachement Replace when it can not Icing in the Faulty gasket conditions conditions and replace it be repaired shute Faulty assembly Check door assembly conditions Door assembly and replacement 3 Over freezing in the freezer Refrigerator operates pull down Replace defective parts compartment Check if it is operated Faulty MICOM intermittently The Temperat...

Страница 49: ...place defective fan and fan conditions in pipes motor 2 3 Touch pipes with hands or screw 6 Adjust fan to be in the center of driver check the change of the fan guide sound 7 Leave a clearance between interfering parts and seal gaps in 3 Fan operation sound in the freezer 3 1 Check fan insertion depth and the structures compartment blade damage 8 Reassemble the parts which make 3 2 Check the inter...

Страница 50: ...ing 4 Moving wheel vibration 2 2 Check capillary tube touches and restrainer if it is severe 5 Other structure and parts cover back especially compressor and pipe vibration 3 1 Check compressor stopper 4 Replace compressor stopper if it Vibration vibrates severely 4 1 Check vibration of front and rear moving wheels 5 1 Touch other structures and parts Irregular sound 1 It is caused by heat expansi...

Страница 51: ...ciples of freezing cycles Water boiling or It happens when refrigerant passes Check the sound when compressor is Explain the principles of freezing cycles flowing sound orifice in accumulator internal pipes by turned on and refrigerant flowing phenomenon by the pressure difference between Check the sound when compressor is internal pressure difference condenser and evaporator turned off If sound i...

Страница 52: ...th plastic wrap Clean the refrigerator and set Chedk food cleanliness button at strong Plastic Odor Odors of mixed food and plastic Check wet food is wrapped with Clean the refrigerator odors plastic bowl and bag Persuade customers not to use It happens in the new refrigerator plastic bag or wraps with wet food or odorous foods Odor from the Odor from the old deodorizer Check the deodorizer odors ...

Страница 53: ... parts 7812 7805 terminals circuit in circuit explanation PCB electric terminal Check fuse in PCB electric Replace PCB fuse fuse is burnt out terminal with a tester STR Parts are Check if STR No 2 and 3 pins Replace parts Applicable to damaged are cut when power is off model with dispenser Abnormal Bad connection Lead Wire connecting Check Lead Wire terminals Reconnect Lead display LCD between Mai...

Страница 54: ...o tables to page 29 The wrong sensor Confirm the color of sensor in Repair main PCB explanation has been installed circuits main PCB sensor sensor housing Order by model number housing and part number Defective freezer fan Fan motor lead wire Check fan motor lead wire Reconnect lead motor is cut with a tester wire Defective door switch Measure the voltage between Replace door Refer to load freezer...

Страница 55: ... Foreign materials in Step Check Step Motor damper Remove foreign Motor damper baffles baffle visually materials Ice formation on Check if Step Motor damper Replace Step Motor Step Motor damper Heater wire is cut with a damper or refrigerator baffles tester control Box Assembly Defective refrigerator Defective refrigerator Check the resistance of Replace refrigerator Refer to sensor sensor sensor ...

Страница 56: ...lanation Defective Buzzer Defective connecting lead wire from Check lead wire related to door Repair lead wire buzzer continuously main PCB to door switch switch with a tester rings or door Defective door switch parts Refer to door switch in parts repair Replace door switch opening alarm guide does not work Defective Buzzer does Key input wire is cut or bad connector Check input wire with a tester...

Страница 57: ... lever Repair lead wire dispenser are not Main PCB to lever switch switch with a tester dispensed Defective lever switch parts Refer to door switch in parts repair guide Replace lever switch Defective photo coupler IC parts Check voltage change at photo coupler Replace photo output terminals with lever switch coupler IC or PCB pressed It is OK if voltage change is between 0V 5V Defective relay ass...

Страница 58: ...onic scales pinch off Weld carefully after pinching off the inlet pipe plier gas welding machine Check leak at weld joints Electronic Leak Detector Minute leak Use electronic leak detector Driver Ruler Big leak Check visually Note Do not use soapy water for check Check cooling capacity 1 Check radiator manually to see if warm 2 Check hot line pipe manually to see if warm 3 Check frost formation on...

Страница 59: ... OIL FROM BEING FORCED OUT The use of piercing type valves will allow future servicing and eliminates the possibility of a defective pinch off 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing 1 Use pressurized nitrogen to prevent oxidation inside the piping welding Nitrogen pressure 0 1 0 2 kg cm2 5 Others 1 Only ni...

Страница 60: ...a drier When replacing a compressor Weld 1 And 2 parts by blowing nitrogen to the low pressure side Note For other parts nitrogen blowing is not necessary because it does not produce oxidized scales inside pipe because of its short welding time 3 Replacement of drier Inserting a capillary tube Measure distance with a ruler and put a mark 12 3 0 on the capillary tube Insert tube to the mark and wel...

Страница 61: ...measure the weight Calculate the weight of refrigerant charged into the charging canister by subtracting the weight of an evacuated charging canister KEY POINT If power is applied during vacuum degassing vacuum degassing shall be more effective Run the compressor while charging the system It is easier and works better KEY POINT Be sure to charge the refrigerant at around 25 C 77 F Be sure to keep ...

Страница 62: ...nical area Compressor Condenser Drier Hot Line Evaporator Charging Canister Bushing 1 Observe the safety precautions for gas handling 2 Use JIG or a wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident 3 The inner case will melt and the insulation will burn 4 The copper piping will oxidize 5 Do not allow aluminum and copper pipe...

Страница 63: ...r Brazing Silver Brazing Pipe Assembly Hot Line Freezer Capi tube Drier assembly Pipe assembly suction Copper Brazing Pipe Assembly Joint Copper Brazing Copper Brazing Copper Brazing Pipe assembly joint Silver Brazing Condenser Assembly wire Silver Brazing ...

Страница 64: ...the refrigerator compartment expand and contract as the temperature changes during the refrigerator operation This sound also happens during defrosting twice a day when the ice on the evaporator melts Clunk sound Explain that it comes from the compressor when the refrigerator starts When the refrigerator operates the piston and motor in the compressor rotate at 3600 RPM This sound is caused by the...

Страница 65: ...wing also makes sound When water Noise from motor sounds Hiss freezes clicking sounds are heard When ice is being ejected sounds like Hiss produced by a motor to rotate an ice tray and ice dropping and hitting ice bin sounds are also heard Noise when supplying water Explain the principles of water supplied to dispenser When the water supply button in the dispenser is pressed the water supply valve...

Страница 66: ...ream The freezing point of ice cream is below 15 C 5 F Therefore ice cream may melt if it is stored in the door rack Store ice cream in a cold place or set the temperature control button of a freezer at strong position Refrigeration is too strong Check the position of temperature control button Check if refrigeration is strong in whole area of the refrigerator or partly near the outlet of the cool...

Страница 67: ...ng Frost in the freezer compartment Explain the basic principles of frost formation The main causes for frosting Door was left open Air penetration through the gasket T oo frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C 2 2 F if temperature is set at MID If hot air comes into the refrigerator fine frost forms as cold air mixes w...

Страница 68: ...ent and the cover of frequently opened and wet foods are not stored in the air tight container or properly vegetable drawer wrapped Be sure to store wet foods in airtight containers or securely covered in plastic wrap When is the power connected When should the power be connected You can connect the power immediately after installation However if the refrigerator was laid flat before or during ins...

Страница 69: ... hinge lever counterclockwise If the hinge or bracket are bent during assembly use two extra screws T ap Tite M6 Left Hinge attaching screw in the holes of the upper hinge 3 Disconnect upper hinge 1 from the hinge supporter 2 by grasping the front part of upper hinge and lifting up Hinge Assembly U in arrow direction and pull forward in arrow B direction Be careful because the door may fall damagi...

Страница 70: ...er balde 2 Disassembly of a grille fan U Pull forward after opening hook at part with a screwdrive blade 3 Disconnect housing A of a grille fan L from the main body 4 Disassembly of a grille fan L Hold upper part of a grille fan L and pull forward carefully 5 Loosen two screws 6 Disassembly of shroud F U Disconnect housing of B after removing two rail guides with a screwdriver blade 7 Disassembly ...

Страница 71: ... housing 1 Disconnect funnel and button assembly by pulling down and forward 4 Loosen four screws with a phillips screwdriver and pull the funnel assembly to disconnect 5 The Cap Duct Assembly can be disconnected if the hold lever connecting screw is loosened with a phillips driver 6 To install the Cap Duct Assembly insert one end of the spring into the right hole of the dispenser lever and insert...

Страница 72: ... 72 19 7 13 12 4 1 2 3 22 18 10 15 9 8 17 14 16 ...

Страница 73: ... 73 5 WATER VALVE DISASSEMBLY METHOD ...

Страница 74: ...FREEZER DOOR PART 203A 201A 200A 243A 241E 241G 241G 212J 244A 131C 600A 606A 614A 131A 131B 131D 74 EV 10 EXPLODED VIEW ...

Страница 75: ...REFRIGERATOR DOOR EXPLODED VIEW 241H 233A 231A 241D 243B 230A 212G 241B 241C 241A 241H 241H 212J 75 EV 244A ...

Страница 76: ...OMPARTMENT EXPLODED VIEW 271B 281C 271A 106A 319B 610E 128D 128F 128C 128E 103C 281G 332B 330B 405G 329A 332A 902B 120D 405A 405D 409A 418A 301A 316B 158C 136B 136A 281A 406A 401A 404A 149B 149A 149C 76 903E EV ...

Страница 77: ...PARTMENT EXPLODED VIEW 170A 271B 271C 106A 128J 161A 151A 281H 128K 161B 158B 409A 409A 158A 128A 128B 281D 406A 281B 604H 154A 141A 128H 128G 610E 610E 140A 140B 151B 77 903D 903D EV 611A 120B 120A 621C 611B 621D 611E ...

Страница 78: ...ICE W ATER PART EXPLODED VIEW 412A 625A 619A 616G 616F 627A 621D 621B DISPENSER PARTS 113F 78 S18 607A EV 276A 276B 501B 280A 279B 279A 281F 405H 282G 113E 617A 278A S18 ...

Страница 79: ...MENT EXPLODED VIEW 307A 419B 314A 310A 312A 419A S38 318A 317A 304A 323B 314A 105A S15 328A 501A 501K 411A 103B 103A 319A 319E 319C 405C 404B 405F 329C 501F 305C 305B 305C 305B 315A 316A 79 105F S15 EV 309B 412D 410G ...

Страница 80: ...G 5040JA2004B Damper Motor Support 158A MCK34620601 Cover Lamp 405H 6421JB2002D Solenoid Reversing Valve 158B 3550JA1496A Cover Lamp 406A 6600JB3007A Switch Push Button 158C MCK35849501 Cover Lamp 406A 6600JB3007A Switch Push Button 161A 3551JJ1063B Cover Assembly Tray 409A 6912JK2002E Lamp Incandescent 161B 4986JA3015A Gasket Cover Tray 410G 0CZZJB2014G Capacitor Electric Appliance Film Box 170A ...

Страница 81: ...G 5040JA2004B Damper Motor Support 158A MCK34620601 Cover Lamp 405H 6421JB2002D Solenoid Reversing Valve 158B 3550JA1496A Cover Lamp 406A 6600JB3007B Switch Push Button 158C MCK35849501 Cover Lamp 406A 6600JB3007B Switch Push Button 161A 3551JJ1063B Cover Assembly Tray 409A 6912JK2002E Lamp Incandescent 161B 4986JA3015A Gasket Cover Tray 410G 0CZZJB2014G Capacitor Electric Appliance Film Box 170A ...

Страница 82: ...G 5040JA2004B Damper Motor Support 158A MCK34620601 Cover Lamp 405H 6421JB2002D Solenoid Reversing Valve 158B 3550JA1496A Cover Lamp 406A 6600JB3007B Switch Push Button 158C MCK35849501 Cover Lamp 406A 6600JB3007B Switch Push Button 161A 3551JJ1063B Cover Assembly Tray 409A 6912JK2002E Lamp Incandescent 161B 4986JA3015A Gasket Cover Tray 410G 0CZZJB2014G Capacitor Electric Appliance Film Box 170A ...

Страница 83: ...G 5040JA2004B Damper Motor Support 158A MCK34620601 Cover Lamp 405H 6421JB2002D Solenoid Reversing Valve 158B 3550JA1496A Cover Lamp 406A 6600JB3007E Switch Push Button 158C MCK35849501 Cover Lamp 406A 6600JB3007E Switch Push Button 161A 3551JJ1063B Cover Assembly Tray 409A 6912JK2002E Lamp Incandescent 161B 4986JA3015A Gasket Cover Tray 410G 0CZZJB2014G Capacitor Electric Appliance Film Box 170A ...

Страница 84: ...April 2009 ...

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