LG LRTB1821W User Manual Download | Manualshive

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Summary of Contents for LRTB1821W

Page 1: ...the melted alloy is sucked into the tubes and blocks them the pressure must be rebalanced when vacuum is in the system when soldering As soon as the vacuum operation is over add the quantity in grams of R 134a to the refrigeration system Remember that every system has an exact quantity of R 134a that can be added with a tolerance of 5 grams Figure 4 TO THE R 134a CYLINDER __ TO THE REFRIGERATION S...

Page 2: ...STABTER LAMP F pART CAPACITORS THE PLUG _pE _AR_H pA_T AND ICE MAKER OPTION pART C_NCIRCUIT _LITtES WH WHITE BL BLUE RD NED GY GRAYPURPLE YL YELLOW BO BRIGHTORANGE BK BLACK _ N BROWN PR PURPLE PK PINK ON GREEN WATER SUPPLYING TIME CONTROL OPTION CAUTION Please unp_Jg thepower cord from the wall outlet S_TCHNO TIME SW1 SW2 SW3 OFF OFF OFF 10 5 sec ON OFF OFF 9 sec OFF ON OFF 10 sec ON ON OFF 11 BOG...

Page 3: ... Corner Crisper Used to keep fruits and vegetables fresh and crisp Base Grille Push the grilletoward the refrigerator until itsnaps into place Freezer Door Bin Door Cooling On the refrigerator door the cold air passageway is installed to supply cold air to the doorside of the refrigerator compartment Can Server Dairy Corner Wine Rack Adjustable Door Bin Refrigerator Door Rack LevelingScrew Inside ...

Page 4: ... the body to remove the refrigerator door only 3 2 DOOR SWITCH 1 To remove the door switch pull out it with a slotted type driver as shown in figure 9 2 Disconnect the lead wire from the switch LEAD WIRE _ DOOR SWITCH S 2 2 Figure 9 3 3 THERMOSTAT 1 Remove Control Box R by loosening2 screws attached to ceilingof Refi igemtor compad_ent Figure 10 2 Separate the thermostat and dial knob F 3 Remove t...

Page 5: ...e emission of heat from the Heater 1 Pull out the grille assembly 2 Separate the connector connected with the Defrost Control assembly and replace the Defrost Control assembly after cutting the Tie Wrap Figure 14 SHROUD F Figure 13 DEF_HERMO FUSE M HOLDER FUSE Figure 14 3 6 REFRIGERATOR ROOM LAMP REFRIGERATOR ROOM LAMP Figure 16 1 Unplug the power cord from the outlet 2 Remove refrigerator shelves...

Page 6: ...th main coil and sub coil After the starting is over the current in subcoil is cut off The proper features of PTC play all the above roles So PTC is used as a motor starting device 4 2 3 PTC Applied Circuit Diagram According to Starting Method for the Motor OVERLOAD PROTECTOR O L P o r _ _ _ COMPRESSOR 5 MOTOR 31j i 6 JS____j M PTC STARTER HERMETIC TERMINAL RSIR Figure 19 4 2 4 Motor Restarting an...

Page 7: ... normal operation of the OLR Composition and connection diagram of OLP 5 CIRCUIT DIAGRAM CONTACTING POINT COVER i BIMETAL BIMETAL ADJUST SCREW HEATER Figure 21 CIRCUITDIAGRAM I I I I i I P _ 7 i i Hmm ___ h L i THERMOSTAT DEFROST TIMER GNI_ 3I 4 7 BI tN to 7 q _ _ _ I_I_ _ L_ i _ _ BL I _ _ 4 6 S I i i CAP_ITOR PART p T C STARTER LAMp F pART CAPACITORS _HE PLUG TYPE EAW _ pART AND ICE MAKER OPTION...

Page 8: ...Compressor _ heck the resistance among M C S C and M S in Motor Compressor YES D _ N_O Replace Compressor Check the _ Check the resistance YES _ _ resistance of I I of two terminals in Replace PTC Starter J I PTC Starter NO m PTC Starter YES I4_ I Check OLP t_ _ Check if applying I___ OLP works within I YES _1_ a regular OLP L 130 sec in forcible OLP I J i I I Ioperation by turning I Replace OLR I...

Page 9: ..._1 Figure 22 _Figure Check another e ectric components Replace OUR I 21_igure 22 Check another I electric components ReplacePTC Starter i Position the Cam Shaft to the point of first click sound and check the current flowing between terminals No 1 brown and No 2 bright orange Next position the Cam Shaft to the point of second click sound and check the current flowing between terminals No I brown a...

Page 10: ...ing in sub ceil of Compressor _ Check capacity of OLR __The items described above are normal _ heck current flowing of the door SNV Check current flowing in the Fan Motor Much frost is built upon I _ Check the running the EVAPORATOR condition of Timer Check current flowing of the following components Defrost Thermostat Fuse M _ heck current flowing of the following components L cord TE Plate Heate...

Page 11: ...r check if the door is closed it firmly Dew forms Check if ambient temperature and humidity Wipe dew with a dry cloth This occurrence in the Exterior Case of surroumcling air are high is solved naturally in low temperature and humidity Is there gap in the door gasket Fill up the gap Abnormal Is the set positioned in a firm and even place Adjust the Adjust Screw and position noise in the firm place...

Page 12: ...ost isn t temperature Refrigerant _ _ Refrigeratordcolcool formed MOISTURE Cooling operation Flowing sound of refrigerant Lower 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 higher Low pressure at high side O _ RESStON Refrigerator refrigerant is hear...

Page 13: ...gh and low pressure sides Vacuum efficiency can be improved are evacuated at the same by operating compressor during time for models above 200 L evacuation Vacuum EA Use R 134a exclusive To protect mixing The rubber pipes for R 12 refrigerant piping manifold of mineral and shall be melted when they are used for ester oils R 134a refrigerant causes of leak i Pipe EA Use R 134a exclusive To protect ...

Page 14: ...8 EXPLODED VIEW REPLACEMENT PARTSLIST The parts of refrigerator and the shape of each part are subject to change in different localities Capacitors and fuse are optional parts GR T622 GR T722 I I 16 ...

Page 15: ... 17 ...

Page 16: ...J J i 244_ mlSm ...

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