LG GR-151 Page 1 User Manual Download | Manualshive

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Summary of Contents for GR-151

Page 1: ...necessary 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...

Page 2: ... THE REFRIGERATION CHARGE SYSTEM CYLINDER TO THE VALVE TO BE VACUUM CLOSED PUMP AFTER VACUUM 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 lower limit of men...

Page 3: ...oor The heart of the refrigerator _ It evaporates the refrigerant fluid and thereby absorbs heat from the interier __THERMOSTAT Regulates the operation of J the motor and controls the temperature inside the refrigerator ICE CUBETRAY Ice cubes are easy to remove from the tray Keeps bottles cans or jars DRIP TRAY Catches the water that drips off the evaporator when defrosting PLASTIC COATED SHELVES ...

Page 4: ...ND PTC 1 Remove Protector Cover Power Cord and Lead Wire first Figure 11 2 Remove OLR 3 Remove PTC 4 Remove the Compressor Base by loosening 4 bolts fixed to base plate of the set Figure 12 Figure 11 Figure 12 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...

Page 5: ...STAT BK GN GNHL c m F_T C STARB_R YL YELLOW BK BLACK BL BLUE GN GREEN PK PINK THE PLUG TYPE ON CIRCUIT DIAGRAM IS SUBJECT TO CHANGE IN DIFFERENT LOCAL nES B854JD1009E 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: ...ircuit Poor running of the Compressor ____ _ Measure the starting voltage _ _ Low voltage _ Increase the voltage Check if the current flows _ _ at the contacting point of Poor contacting point Replace the device the starting system and broken Check if the current flows I I I Replace the to the sub coil of the _ Shorted Compressor Compressor sthec r enta ounto HTheco o the H e arthe the electric co...

Page 8: ...ssor i _ Check the I I Test the resistance of the both resistance of the _1 terminals in the PTC STARTER PTC YES D D Check OLR H Check if applying a regular OLR NO NO Replace the PTC STARTER 0LP works within 30 sec in forcible OLP operation by turning instant power on and off 9 YES _ NO _ Replace OLR j Check the starting state Measure minimum starting voltage after checking steps 1 3 above Measure...

Page 9: ...or Wheatstone Bridge The value is in the _ q Check other range of 15 28 for Normal electric the 22_ PTC components _ The value is 0 H _ The value is _ H Separate the OLP from the Compressor and check resistance value between two terminals of OLP with Tester Abnormal Abnormal YE_ Check another electric components _ Replace OLR I Replace the PTC Replace the PTC o m 11 ...

Page 10: ...5 EXPLODED VIEW I I 12 ...

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