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SERVICING PRECAUTIONS vacuum operation is over , add the quantity in grams of Air Recharging in Compressor R - 12 to the refrigerant system . Remember that every Test the refrigeration by connecting it electrically before system has an exact quantity of R - 12 with a tolerance of refilling operation . It is necessary to ascertain the function + 5 grams that can be added . ( Figure 4 ) of the motor * compressor and identify the defects immediately . If the defects have been found , empty the old system of eventual R - 12 residue by breaking off the end of the extension piece at its narrow point . ( Figure 1 ) Replace the filter and any damaged components . Unsolder and pull off the piece remaining inside the service tube and then attach an extension completely with male Hansen and last , solder it to the same tube again . ( Figure 2 ) TO THE R - 12 CYLINDER POINT TO BE CHARGE TUBE BROKEN EXTENSION _ = J _ TOsTTHEEEMgRRIGERATION MALE HANSEN Figure 4 SERVICE TUBE EXTENSION SOLDERING POINT Before performing this operation ( if the vacuum pump and Figure 1 Figure 2 refilling cylinder are connected ) , make sure that the valve placed between the vacuum pump and refilling tube are It is necessary to execute the soldering operation with closed to keep the Freon for adding to the system . ( Figure 5 ) valve open so that the fumes caused by oil residue can come out freely without blowholes between two tubes FILLING OR VALVE TQ BE OPENED CHARGE TUBE WHEN REFILLING during heating the point to be soldered . The extension fitted with the male Hansen is connected to the female fitting of the vacuum pump tube . ( Figure 3 ) TO THE REFRIGERATION TO THE CHARGE SYSTEM CYLINDER VALVE TO BE CLOSED AFTER VACUUM Figure 5 TO THE VACUUM PUMP puOMT _ cUUM In addition , check the graduated scale on the cylinder for PRESSURE the quantity of R - 12 to be added , for example , if we have GAUGE 750 grams of Freon in the cylinder and must add 165 grams to the group , this amount will be reached when Figure 3 R - 12 has dropped to 585 grams , remembering that the indicator shows a lower limit of meniscus . Do this after Air evacuating from the system begins so soon as the choosing the scale corresponding to the gas pressure pump starts . The refrigeration system must be kept under different scales reported as the same gas pressure vacuum until the reading on the low - pressure gauge indicated by the pressure gauge on the top of the column . indicates vacuum ( 0 absolute , - 1 atm . , - 760 mm hg ) in any To make R - 12 flow into the system , open the valve placed case it is advisable to keep the pump running for about 60 at the base of the cylinder and connected to the filling tube . minutes . ( Figure 3 ) The amount of Freon cannot be added to the system all at In case that a considerable leakage occurs and to stop the once because it may cause a blocking of vacuum pump will be necessary and add a small quantity motor - compressor . Therefore , proceed by adding original of Freon to the system , if vacuum should not be obtained quantity of about 20 - 30 grams and close the valve ( pressure gauge can't fall to 1 atmosphere ) , start the immediately . refrigeration unit and find the leakage with the special leak - The pressure rises and the motor - compressor must start , finder . When the defective soldering point is visible , re - do it sucking the gas and making the pressure go down again . after opening the extension tube valve and reestablishing Regulate the valve again , maintaining the same manner the normal outside pressure inside the group . until reaching to the quantity of R - 12 established for the Because the melted alloy is sucked into the tubes and system being charged . When the system is running , the block them , the pressure must be rebalanced when suction pressure must be stabilized between 0.10 to 0.4 vacuum is in the system in soldering . As soon as the atmosphere . - 3 -
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vacuum operation is over , add the quantity in grams of Air Recharging in Compressor R - 134a to the refrigerant system . Remember that every Test the refrigeration by connecting it electrically before system has an exact quantity of R - 134a with a tolerance of refilling operation . It is necessary to ascertain the function + 5 grams that can be added . ( Figure 4 ) of the motor * compressor and identify the defects immediately , If the defects have been found , empty the old system of eventual R - 134a residue by breaking off the end of the extension piece at its narrow point . ( Figure 1 ) Replace the filter and any damaged components . Unsolder and pull off the piece remaining inside the service tube and then attach an extension completely with male Hansen and last , solder it to the same tube again . ( Figure 2 ) POINT TO BE CHARGE TUBE BROKEN EXTENSION _ i TO TiE R - 134a CYLINDER _ _ TyOsTTHEEFMRRIGEERATiON MALE HANSEN Figure 4 SERVICE TUBE EXTENSION SOLDERING POINT Before performing this operation ( if the vacuum pump and Figure 1 Figure 2 refilling cylinder are connected ) , make sure that the valve placed between the vacuum pump and refilling tube are It is necessary to execute the soldering operation with closed to keep the Freon for adding to the system . ( Figure 5 ) valve open so that the fumes caused by oil residue can come out freely without blowholes between two tubes FILLING OR VALVE TO BE OPENED CHARGE TUBE WHEN REFILLING during heating the point to be soldered . The extension fitted with the male Hansen is connected to the female fitting of the vacuum pump tube . ( Figure 3 ) TO THE REFRIGERATION TO THE CHARGE SYSTEM CYLINDER VALVE TO BE CLOSED AFTER VACUUM Figure 5 TO THE VACUUM PUMP UM In addition , check the graduated scale on the cylinder for PRESSURE GAUGE the quantity of R - 134a to be added , for example , if we have 750 grams of Freon in the cylinder and must add 165 grams to the group , this amount will be reached when Figure 3 R - 134a has dropped to 585 grams , remembering that the indicator shows a lower limit of meniscus . Do this after Air evacuating from the system begins so soon as the choosing the scale corresponding to the gas pressure pump starts . The refrigeration system must be kept under different scales reported as the same gas pressure vacuum until the reading on the low - pressure gauge indicated by the pressure gauge on the top of the column . indicates vacuum ( 0 absolute , - 1 atm . , - 760 mm hg ) in any To make R - 134a flow into the system , open the valve case it is advisable to keep the pump running for about 60 placed at the base of the cylinder and connected to the minutes . ( Figure 3 ) filling tube . The amount of Freon cannot be added to the In case that a considerable leakage occurs and to stop the system all at once because it may cause a blocking of vacuum pump will be necessary and add a small quantity motor - compressor . Therefore , proceed by adding original of Freon to the system , if vacuum should not be obtained quantity of about 20 - 30 grams and close the valve ( pressure gauge can't fall to 1 atmosphere ) , start the immediately . refrigeration unit and find the leakage with the special leak - The pressure rises and the motor - compressor must start , finder . When the defective soldering point is visible , re - do it sucking the gas and making the pressure go down again . after opening the extension tube valve and reestablishing Regulate the valve again , maintaining the same manner the normal outside pressure inside the group . until reaching to the quantity of R - 134a established for the Because the melted alloy is sucked into the tubes and system being charged . When the system is running , the block them , the pressure must be rebalanced when suction pressure must be stabilized between 0.10 to 0.4 vacuum is in the system in soldering . As soon as the atmosphere . - 4 -
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1 . SPECIFICATIONS 1 - 1 GR - 242M / MV / S / SV ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS FREEZER FREEZER 1 EA 60 _ SHELF NETCAPACITYREFRIGERATOR 140 _ REFRIGERATOR 2 EA ( § / ) TOTAL VEGETABLE TRAY 1 EA 200 _ EGG TRAY 1 EA DIMENSIONS ( mm ) 540 ( W ) x607 ( D ) x1407 ( H ) 46 ICE TRAY NET WEIGHT ( kg ) 1 Pieces ( PLASTIC ) COOLING SYSTEM ICE BANK 1 Piece Fan Cooling TEMPERATURE CONTROL Knob Dial COMPRESSOR RT . C Starting Type Full Automatic EVAPORATOR Fin Tube Type DEFROSTING Heater Defrost CONDENSER Pipe on Sheet Type With a Timer REFRIGERANT R - 12 ( 140g ) OUT CASE Coated SteeI Sheet LUBRICATING OIL HTS - 95 ( 210cc ) INNER CASE ABS INSULATION Polyurethane Foam 1 - 2 GR - 282M I MV I SI SV ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS FREEZER 60.12 FREEZER 1 EA SHELF NETCAPACITYREFRIGERATOR REFRIGERATOR 3 EA 170 _ TOTAL 230 _ VEGETABLE TRAY 1 EA EGG TRAY 1 EA DIMENSIONS ( mm ) 540 ( W ) x607 ( D ) x1553 ( H ) 48 ICE TRAY NET WEIGHT ( kg ) 1 Pieces ( PLASTIC ) COOLING SYSTEM ICE BANK 1 Piece Fan Cooling TEMPERATURE CONTROL Knob Dial COMPRESSOR RT . C Starting Type Full Automatic EVAPORATOR Fin Tube Type DEFROSTING Heater Defrost CONDENSER Pipe on Sheet Type With a Timer REFRIGERANT R - 12 ( 140g ) OUT CASE Coated SteeI Sheet LUBRICATING OIL HTS - 95 ( 210cc ) INNER CASE ABS INSULATION Polyurethane Foam - 5 -
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1 - 3 GR - 242MF / MVF / SF / SVF ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS FREEZER FREEZER 1 EA 60 _ SHELF NETCAPACITYREFRIGERATOR 140 _ REFRIGERATOR 2 EA ( § / ) TOTAL VEGETABLE TRAY 1 EA 200 _ EGG TRAY 1 EA DIMENSIONS ( mm ) 540 ( W ) x607 ( D ) x1407 ( H ) 46 ICE TRAY NET WEIGHT ( kg ) 1 Pieces ( PLASTIC ) COOLING SYSTEM ICE BANK 1 Piece Fan Cooling TEMPERATURE CONTROL Knob Dial COMPRESSOR RT . C Starting Type Full Automatic EVAPORATOR Fin Tube Type DEFROSTING Heater Defrost CONDENSER Pipe on Sheet Type With a Timer REFRIGERANT Rq34a ( 120g ) LUBRICATING OIL OUT CASE Coated SteeI Sheet FREOL ¥ _ 2G ( 210cc ) INNER CASE ABS INSULATION Polyurethane Foam 1 - 4 GR - 282MF / MVF / SF / SVF ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS FREEZER 60.12 FREEZER 1 EA SHELF NETCAPACITYREFRIGERATOR REFRIGERATOR 3 EA 170 _ TOTAL 230 _ VEGETABLE TRAY 1 EA EGG TRAY 1 EA DIMENSIONS ( mm ) 540 ( W ) x607 ( D ) x1553 ( H ) 48 ICE TRAY NET WEIGHT ( kg ) 1 Pieces ( PLASTIC ) COOLING SYSTEM ICE BANK 1 Piece Fan Cooling TEMPERATURE CONTROL Knob Dial COMPRESSOR RT . C Starting Type Full Automatic EVAPORATOR Fin Tube Type DEFROSTING Heater Defrost CONDENSER Pipe on Sheet Type With a Timer REFRIGERANT R - 134a ( 120g ) LUBRICATING OIL FREOL ¥ _ 2G ( 210cc ) OUT CASE Coated SteeI Sheet INNER CASE ABS INSULATION Polyurethane Foam - 6 -
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2 . PARTS IDENTIFICATION FREEZER COMPARTMENT Freezer Temperature Control Dial Freezer Shelf - Ice Tray Freezer Door Rack Ice Cube Box REFRIGERATOR COMPARTMENT - - Egg Storage Rack Refrigerator Temperature - - Control Dial Lamp - - Refrigerator Door Rack Shelves - - Vegetable Drawer - - Used to keep fruits and vegetables , etc . Leveling Screws fresh and crisp . NOTE : This is a basic model . The shape of refrigerator is subject to change . - 7 -
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3 . DISASSEMBLY 3 - 1 HOW TO REPLACE THE DOOR OPENING TYPE ( when converting from the left - opening type to right opening type ) 1 , Separate the Cap Oand Hinge Upper 2 . Separating the Freezer Door _ , @ 3 , Separating the Hinge - C Oand the Refrigerator 4 . Separating the Hinge Lower Door 5 , Move the Position of Adjustable Screw 6 , Assemble the Hinge Lower _ . Assembly O : - 8 -
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7 . Move the Cap _ Bracket O of the Refrigerator 8 . Move the Cap _ and Assemble the Hinge - C O . Door . OI 10 . Move the Cap _ and Assemble the Freezer 9 . Assembe the Door Stopper - F _ for Right Door O - Opening Type . 11 , Move the Pin Position _ of the Hinge Upper . 12 . Assemble the Hinge Upper _ and the Cap O _ 3 - 2 LAMP REPLACEMENT 1 . Unplug the power cord from the outlet . 2 . Remove refrigerator shelves . 3 . Remove the lamp by turning it counterclockwise as shown in the figure at right . 4 . Assemble in reverse order of disassembly . Replacement bulb must be the same specification as original . - 9 -
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4 . ADJUSTMENT 4 - 1 COMPRESSOR 4 - 2 - 3 PTC - Applied Circuit Diagram • According to Starting Method of Motor 4 - 1 - 1 Role The compressor inhales low temperature and low pressure gas evaporated from Evaporator of the Refrigerator , and OVERLOAD PROTECTOR condenses this gas to high temperature and high pressure gas , and then plays delivering role to Condenser . 4 - 1 - 2 Composition C , , OMPRESSOR PTCT MOTOR The Compressor is Composed of Compressor Apparatus compressing gas , Compressor Motor moving Compressor Apparatus and Case protecting Compressor Apparatus and Motor . There are PTC - Starter , and Over Load Protector ( OLP ) in the Compressor outside . On the other PTCSTARTER AHERMETICL hand , because the Compressor consists of 1 / 1000ram processing TERMIN precision components and is sealed after producing without dust RSIR or humidity , deaI and repair with care . Figure 21 4 - 1 - 3 Note to Use ( 1 ) Be careful not to allow over - voltage and over - current . 4 - 2 - 4 Motor Restarting and PTC Cooling ( 2 ) No Strike ( 1 ) For restarting after power off during normal If applying forcible power or strike ( dropping or careless Compressor Motor operation , plug the power cord after dealing ) , poor operation and noise may occur . 5 min . for pressure balance of Refrigerating Cycle and ( 3 ) Use proper electric components appropriate to the PTC cooling . Compressor . ( 2 ) During normal operation of Compressor Motor , PTC ( 4 ) Note to Keep Compressor . elements generate heat continuously . Therefore , If Compressor gets wet in the rain and rust in the pin of if PTC isn't cooled for a while after power off , Motor Hermetic Terminal , poor operation and poor contact can't operate again . may cause . 4 - 2 - 5 Relation of PTC - Starter and OLP ( 5 ) Be careful that dust , humidity , and flux due to welding ( 1 ) If power off during operation of Compressor and power don't inflow in Compressor inside in replacing on before PTC is cooled , ( instant shut - off within 2 rain . Compressor . Dust , humidity , and flux due to welding or reconnect a power plug due to miscennecting ) , which inflows to Cylinder may cause lock and noise . PTC isn't cooled and a resistance value grows . As a result , current can't flow to the sub - coil and Motor can't operate and OLP operates by flowing over current in 4 - 2 PTC - STARTER only main - coil . ( 2 ) While the OLP repeats on and off operation about 3 - 5 4 - 2 - 1 Composition of PTC - Starter times , PTC is cooled and Compressor Motor performs ( 1 ) PTC ( Positive Temperature Coefficient ) is no - contact normal operation . semiconductor starting device which uses ceramic material and the material consists of BaTiO3 . If OLP doesn't operate when PTC is not cooled , Compressor Motor is worn away and causes circuit - ( 2 ) The higher the temperature is , the higher resistance short and fire . Therefore , use a proper fixed OLP value becomes . These features are used as starting without fail . device of Motor . 4 - 2 - 6 Note to Use PTC - Starter 4 - 2 - 2 Role of PTC - Starter ( 1 ) Be careful not to allow over - voltage and over - current . ( 1 ) PTC is attached to Hermetic Compressor used for ( 2 ) No Strike Refrigerator , Show Case and starts Motor . Don't apply a forcible power or strike . ( 2 ) Compressor for household refrigerator applies single - phase induction Motor . ( 3 ) Keep apart from any liquid . For normal operation of single - phase induction motor , in If liquid such as oil or water inflows into PTC , the starting operation flows in both main coil and sub - PTC materials it may break due to insulation breakdown coil . After the starting is over , the current is cut off in of material itself . subceil . The proper features of PTC play the above all ( 4 ) Don't change PTC at your convenience . roles . So , PTC is used as a starting device of motor . Don't disassemble PTC and mold . If damaging to outside of PTC - starter , resistance value alters and poor starting of compressor motor may cause . ( 5 ) Use a properly fixed PTC . - 10 -
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4 - 30LP ( OVER LOAD PROTECTOR ) 4 - 3 - 1 Definition of OLP CONTACTING POINT ( 1 ) OLP ( OVER LOAD PROTECTOR ) is attached to COVER Hermetic Compressor and protects Motor by cutting off BIMETAL current in Compressor Motor by Bimetal in the OLP in J _ case of over - rising temperature . ( 2 ) When over - voltage flows to Compressor motor , Bimetal works by heating the heater inside OLP , and OLP protects Motor by cutting off current which . oNTO NT OT E TE flows to Compressor Motor . TERMINALS - 4 - 3 - 2 Role of OLP ( 1 ) OLP is attached to Hermetic Compressor used to BIMETAL Refrigerator and Show Case and prevents Motor Coil from being started in the Compressor . s c ' ST ( 2 ) Do not turn the Adjust Screw of OLP in any way for normal operation of OLR ( Composition and connection Diagram of OLP ) HEATER _ Figure 22 5 . CIRCUIT DIAGRAM CIRCUIT DIAGRAM BK BO R o _ < _ LAM _ _ BK a p _ o _ N wH ' wo = _ ( GN / YL } ( A ) ( B ) BL ZI _ _ , _ , _ , _ o _ ' _ : PK COMP / I I Igl . ' , _ ff _ L . 7 _ ] I ° _ I I ° _ _ ± [ @ _ ' _ " ) - - CAPACITOR pAf _ T PTCSTARTER _ THpART • FUSE & FIR SPECIFICATION • F [ R PART CAN BE APPLIED BY THE REQUEST OF BUYERS • CAPACITORS , THE PLUG TYPE , AND COMP ' EARTH PART ON CIRCUIT DIAGRAM ARE SUBJECT TO CHANGE IN DIFFERENT LOCALITIES WH : WHITE BL : BLUE RD : RED PK : PINK BK : BLACK BN : BROWN PR : PURPLE YL : YELLOW BO : BRIGHT ORANGE GY : GRAY GN : GREEN 3854J D 1031H NOTE : 1 . This is a basic diagram and specifications vary in different localities . 2 . F . I . R . lamp and capacitor are option parts . - 11 -
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6 . TROUBLESHOOTING 6 - 1 COMPRESSOR AND ELECTRIC COMPONENTS Power Source . Remove the PTC - Starter _ + 10 % ) ? YES . [ _ j _ ( Rating Voltage from the Compressor and measure the voltage between Terminal C of Compressor and Terminals 5 or 6 of PTC . No Voltage . , _ OLP disconnected ? _ Replace OLR F [ _ condition . Check connection h L _ Reconnect . in the range of Rating to use a regular _ 1 _ Applied voltage isn't Trans . Voltage _ + 10 % . _ dvise the customer Check the resistance of among M - C , S - C and M _ S in Motor Motor Replace Compressor . _ I heck the resistance N _ O YES Compressor . Compressor . YES Check the of two terminals in resistance of PTC - Starter . PTC - Starter . _ I heck the resistance NO _ - PTC - Starter . Replace YES OLP works within II YES 30 sec . in forcible a regular OLR [ _ Check OLR OLP operation by Replace OLR turning instant power b on and off . _ , , _ heck if applying ' r NO / YF . £ r Components start in _ O . K . [ _ Check starting voltage after 5 starting state . the voltage of Rating min . for balancing cycle Voltage _ + 10 % pressure and cooling . f easure minimum below . the PTC . NO - 12 -
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6 - 2 PTC AND OLP Observation value is Check another Normal operation of Separate the PTC 220V / 50Hz : 22 § + 30 % electric components . Compressor is from Compressor and impossible or poor . measure the 115V / 60Hz : 6.8 § + 30 % resistance between 240V / 50Hz : 33 § + 30 % No . 5 and 6 of PTC 127 , 220V / 60Hz : with a Tester or 22 § + 30 % Whistone Bridge . The resistance value is Replace ( Figure 24 ) 0 or several PTC . hundreds § . The value is ; - . Separate the OLP Check another from Compressor and electric components . check resistance value between two terminals of OLP with Replace OLE a Tester . ( Figure 25 ) Figure 25 Figure 24 6 - 3 DEFROST TIMER Position the Cam Shaft to Normal operation of F the point of first ' click ' _ The resistance is ~ _ , . . _ [ Replace the i the Defrost Timer is - _ i _ v Defrost Timer . sound and check the mposs b e . / current between terminals No . 1 ( brown ) and No . 2 ( bright orange ) . Next , _ [ Replace the _ E _ . _ The resistance is position the Cam Shaft to No defrosting . i O § or variable . Defrost Timer . the point of second ' click ' sound and check the current between terminals . Check the other No . 1 ( brown ) and Poor cooling , k No . 4 ( black ) . ( Figure 26 ) . _ T ; OV , % O _ a _ 2 % iK _ b ° ut electric components . Replace the _ , { Turn the Cam Shaft . i i . o } _ L Defrost Timer . Replace the - - fSihthkhe'd ° ; tt3t'ceS i Defrost Timer . t _ I _ oud " click " sound . Shaft and Body softly . Cam Shaft _ % _ q L _ _ Figure 26 - 13 -
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6 - 4 ANOTHER ELECTRIC COMPONENTS • Cooling is impossible Compressor . the following Cause doesn't run I I _ Check if current flows to i components . , I a . Thermostat _ Poor contacting and gas leakage . b . Starting devices _ - Shorted or broken . c . OLP I _ Poor contacting or shorted , Coil shorted . d . Compressor col ! e . Defrost Timer _ Poor contacting cReplaceomponent , each i or shorted . f . Circuit part _ Running state of Check a starting Compressor is poor . voltage . Low voltage . Raise the voltage , i i r Checkif current flows _ Poor contacting e eonaeicneto to starting devices . _ and broken . / r Check current flowing _ Shorted . in sub - coil of i - Compressor . Check capacity of OLR _ { Lack of capacity . i - - / r The items described I _ Coil of Motor the compressor . Replace i above are normal . _ Compressor . • Cooling ability is poor Fan motor Check current flowing I _ doesn't run . of the door S / W . _ Poor contacting . i _ - - _ Replace Check current flowing _ Coil is shorted . - - each component . in the Fan Motor . I " Much frost are sticked Check the running to the EVAPORATOR . condition of Timer . ( Coil is shorted . ) Running is poor . each component . i Check current flowing Replace Shorted . of the following components . • Control DEE ASM of the following - ] _ components . • eRaecphlacceomponent . • L - Cord Check current flowing • TE - Plate Heater - 14 -
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6 - 5 SERVICE DIAGNOSIS CHART COMPLAINT POINTS TO BE CHECKED REMEDY Cooling is • Is the power cord unplugged from the outlet ? • Plug to the outlet . impossible . • Check if the power S / W is setted to OFE • Set the switch to ON . • Check if the fuse of power SAN is shorted . • Replace a regular fuse . • Measure the voltage of power outlet . • If voltage is low , wire newly . Cooling ability • Check if the set is placed close to wall . • Place the set with the space of about 10cm . is poor . • Check if the set is placed close to stove , gas • Place the set apart from these heat cooker and direct rays . appliances . • Is the ambient temperature high or • Make the ambient temperature below . the room door closed ? • Check if putting in hot foods , • Put in foods after they get cold . • Did you open the door of the set too often • Don't open the door too often and close or check if the door is closed up ? it firmly , • Check if the Thermostat is set to " WARM " • Set the knob to " NORMAL " Foods in the • Are foods placed in cooling air outlet ? • Place foods in high temperature section . Refrigerator ( Front Part ) are frozen . • Check if the Thermostat is set to " COLD " . • Set the knob to " NORMAL " • Set the knob to " WARM " • Is the ambient temperature within 5 ° C ? Dew or ice • Are watery foods kept ? • Seal up watery foods with wrap . forms in the • Check if putting in hot foods . • Put in foods after they get cold . chamber of • Did you open the door of the set too • Don't open the door too often and close the set . often or check if the door is closed up . it firmly . Dew forms • Check if ambient temperature and humidity • Wipe dew with a dry cloth . This happening in the Out Case . are high . is solved in low temperature and humidity naturally . • Is the gap in the door packing ? • Fill up the gap . Abnormal • Is the set positioned in a firm and even place ? • Adjust the Adjust Screw , and position noise generates . in the firm place . • Does any unnecessary objects exist • Remove the objects . in the back side of the set ? • Check if the Drip Tray is omitted . • Place it on an original position . • Check if the cover of mechanical room • Place the cover at an original position . in below and front side is taken out . To close the door • Check if the door packing becomes dirty • Clean the door packing . is not handy . by filth such as juice . • Is the set positioned in a firm and even place ? • Position in the firm place and adjust the Adjust Screw . • Are too much foods putted in the set ? • Keep foods from reaching to the door . Ice and foods • Clean the inside of the set . • Check if the inside of the set becomes dirty , smell unpleasant . • Did you keep smelly foods without wraping ? • Wrap smelly foods . • It smells plastic . • The new products smell plastic , but it is removed after 1 _ 2weeks . - 15 -
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6 - 6 REFRIGERATING CYCLE • Troubleshooting Chart STATE OF STATE OF THE TEMPERATURE CAUSE OF THE REMARKS THE SET EVAPORATOR COMPRESSOR PARTIAL Freezer and Low flowing sound of A little high • A little Refrigerant LEAKAGE Refrigerator Refrigerant is heard and more than discharges . don't get cold frost forms in inlet only ambient * Normal cooling is possible r - normally , temperature , when injecting Refrigerant m > of regular amount . WHOLE Freezer and Flowing sound of Refrigerant Equal to ambient * No discharging of Refrigerant . m LEAKAGE Refrigerator is not heard and frost isn't temperature . * Normal cooling is possible don't get cold formed , when injecting Refrigerant at all . of regular amount . o PARTIAL Freeze room and Flowing sound of Refrigerant A little high ° Normal discharging of CLOG Refrigerator is heard and frost forms more than refrigerant . © don't get cold in inlet only . ambient * The capillary tube is faulty . © m normally , temperature . - _ WHOLE Freezer and Flowing sound of Refrigerant Equal to ambient * Normal discharging of CLOG Refrigerator is not heard and frost isn't temperature . Refrigerant . - _ ° 3 don't get cold . formed . MOISTURE Cooling operation Flowing sound of Refrigerant Low than • Cooling operation restarts CLOG stops periodically , is not heard and frost melts , ambient when heating the inlet of temperature capillary tube . O COMP - Freezer and Low flowing sound of A little high • The pressure of high O mORESSION Refrigerator Refrigerant is heard and than ambient pressure part in - 0 - n ; om don't get cold . frost forms in inlet only . temperature , compressor is low . mo c0 - 4 _ _ . _ NO COMP - No compressing Flowing sound of Refrigerant Equal to ambient ° No pressure of high pressure O m RESSION operation , is not heard and no frost , temperature , part in compressor . Z • Leakage Detection Observe discharging point of refrigerant which may be in oil discharging part in compressor and hole of evaporator . Whether Compressor forms or not in No frost or form's [ or not . runs or not . Whether frost [ Whether oil leaks i YES Evaporator . n net on y J 4 , Normal amount amount of Refrigerant . i Normal formed frost Observe the discharging I YES _ tNo or much amount Moisture Clog . Compressor . Compressor and check i Faulty I ' n'ectRefrigeraintt ° cooling operation . _ T Check Comprossor Clogged by dust . i Normal formed } 1 _ Gas leakage , i I frost in Evaporator ( Check the leakage point ) - 16 -
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• General Control of Refrigerating Cycle NO . ITEMS CONTENTS AND SPECIFICATIONS REMARKS WELDING ( 1 ) H 30 ROD • Recommend H34 containing 34 % Ag in the • Chemical Ingredients Service Center . Ag : 30 % , Cu : 27 % , Zn : 23 % , Cd : 20 % • Brazing Temperature : 710 - 840 ° C ( 2 ) Bcup - 2 • Chemical Ingredients Cu : About 93 % P : 6.8 - 7.5 % The rest : within 0.2 % • Brazing Temperature : 735 - 840 ° C FLUX • Ingredients and how to make • Make amount for only a day . Borax 30 % Holding period : 1 day Borax 35 % • Close the cover of container to prevent dust Fluoridation kalium : 35 % putting in the FLUX . Water : 4 % • Keep it in a stainless steel container . Mix the above ingredients and boil until they are transformed into liquid . DRIER ( 1 ) Assemble the drier immediately • Don't keep the drier in a outdoor because ASM after unpacking . humidity damages to it . ( 2 ) Keep the unpacked drier at the temperature of 80 - 100 ° C . VACUUM ( 1 ) When measuring with pirant Vacuum • Apply M / C Vacuum Gauge without fail . gauge of charging MIC , vacuum • Perform vacuum operation until a proper degree is within 0.5 Tom vacuum degree is built up . ( 2 ) If the vacuum degree of the cycle inside is • If a proper vacuum degree isn't built up , 10 Torr . below for low pressure and 20 Torr . check the leakage from for high pressure , it says no vacuum the Cycle Pipe line part and 4 leakage state . Quick Coupler Connecting part . ( 3 ) Vacuum degree of vacuum pump must be 0.05 Torr . below after 5 min . ( 4 ) Vacuum degree must be same to the value described item ( 2 ) above for more than 20 min . DRY AND ( 1 ) The pressure of dry air must be more AIR han 12 - 16Kg / cm 2 NITROGEN ( 2 ) Temperature must be more than GAS - 20 - - 70 ° C . ( 3 ) Keep thepressureto12 - 6Kg / cm2also when substitutindgryairforNitrogenGas . NIPPLE ( 1 ) Check if gas leaks with soapy water . • Check if gas leaks from connecting part of 6 AND ( 2 ) Replace Quick Coupler in case of leakage . Coupler . COUPLER ( 3 ) When using couplers , use applicable them in accordance with Refrigerant . PIPE • Put all Joint Pipe in a clean box and 7 cover tightly with the lid so that dust or humidity is not inserted . - 17 -
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7 - 2 GR - 282 * Option Reversible Door : 283D , 282H FIR Lamp : 409G Deodorizer : 604E Steel Shelf : 136A , 136C , 136E Plastic Shelf : 149A , 149B , 149C Lock : 282J I - 20 -
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