LG GR-131CN Owner'S Manual Download | Manualshive

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Summary of Contents for GR-131CN

Page 1: ...essary to ascertain the function of the motor compressor and identify defects immediately If defects have been found empty the old system of R134a residue by breaking off the end of the extension piece at its narrow point Figure 1 Use the appropriate refrigerant recovery equipment Replace the filter and any damaged components Unsolder and pull off the piece remaining inside the service tube and th...

Page 2: ...HE TO THE REFRIGERATION CHARGE SYSTEM CYLINDER TO THE VALVE TO BE VACUUM CLOSED PUMP AFTER VACUUM Figure 6 In addition check the graduated scale on the cylinder for the quantity of R134a 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 R134a has dropped to 585 grams remembering that the indicator shows a lowe...

Page 3: ...tor It evaporates the refrigerant fluid and thereby absorbs heat from the surrounding ICE CUBETRAY Inside Door Ice cube are easy to remove from the tray DRIP TRAY Catches the water that drips off the evaporator when defrosting PLASTIC COATED SHELVES Have full width and can slide out BAR Keeps any kinds of fruits and vegetables THERMOSTAT Regulates the operation of the motor and controls the temper...

Page 4: ...ower Cord and Lead Wire first Figure 10 2 Remove OLR 3 Remove PTC 4 Remove the Compressor Base by loosening 4 bolts fixed to base plate of the set Figure 11 Figure 8 Figure 10 Figure 11 5 Remove the Compressor by loosening 2 earth screws next to Compressor NOTE Replace the Compressor after peeling off painted part of earth terminal Compressor inhales the gas evaporated from Evaporator condenses th...

Page 5: ...BK 6 _ACITOR R BLJ _ _MPRESSOR P _C STARTER YL YELLOW BK BLACK BL BLUE GN GREEN PK PINK THE PLUG TYPE ON CIRCUIT DIAGRAM IS SUBJECT TO CHANGE IN DIFFERENT LOCALTIES J652 00041C NOTE This is a basic circuit diagram The specifications vary in different localities 7 ...

Page 6: ...e user If in the refrigerantsystema quantity of R134a is introducedwhich is greaterthan that indicated the excessgas does notterminateits expansionin the evaporatorbut proceedsintothe returntube The refrigerantsystemis humid when there is a small percentageof water present which not completely retainedby the dehydratorfilter entersintocirculationwith the Freon and freezesat the capillary exit inth...

Page 7: ...ng system Check if the current flows at the main coil of the Compressor Poor contacting point Shorted or Broken Coil shorted Replace the Thermostat Replace the device Replace the Compressor _1_ Replace the components Check if the current flows at the contacting point of the starting system Poor contacting point and broken Replace the device 9 ...

Page 8: ...ppElea voltage is not in me _ range of Rating Voltage 10 _ to use m the YES YES NO NO Replace the PTC STARTER YES OLP works within 30 sec in forcible OLP operation by turning instant power on _ NO Replace OLR Measure minimum starting voltage after checking steps 1 3 above Measure the pressure balance of the PTC at the interval of more than 5 min Starts at the voltage of I _ Check the starting Stol...

Page 9: ...or and check the voltage between NO 5 and 6 in the PTC with a multitester or Wheatstone Bridge Normal L Check other electric components __ Abnormal _ Replace the PTC ___ Replace the PTC Separate the OLP from the Compressor and check resistance value between two terminals of OLP with Tester o m 11 ...

Page 10: ...EXPLODED VIEW I J 12 ...

Page 11: ... 13 ...

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