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LG LP096HD3A Manual
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LG LP096HD3A Manual

LG LP096HD3A Manual

Packaged terminal air conditioner/heat pump
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Internal Use Only
http://biz.lgservice.com
LG Packaged Terminal
Air Conditioner/Heat Pump
SVC MANUAL(Exploded View)
MODEL : LP096HD3A
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.

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Summary of Contents for LG LP096HD3A

  • Page 1 Internal Use Only http://biz.lgservice.com LG Packaged Terminal Air Conditioner/Heat Pump SVC MANUAL(Exploded View) MODEL : LP096HD3A CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.

  • Page 2: Specification

    Some of functions are slightly different depending upon models. h The specification may be subject to change without prior notice for purpose of improvement. - 2 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 3: Features And Benefits

    This feature extends the overall life of compressor by preventing the short-cycling of the air-conditioner. When the compressor restarts, LG PTAC is designed to give a minimum of three minutes to have a time of equalizing the refrigerant pressures for optimizing cycling.
  • Page 4 The unit will activate the reverse cycle defrost when the outdoor coil temperature has remained at a cold temperature to form the ice on the coil.This ice will reduce airflow though the coil and will also reduce the efficiency of unit. The LG PTHP will employ an active reverse cycle defrost function to melt the ice off the outdoor coil for insuring room comfort conditions and savings from extended operation.

  • Page 5: Control Locations

    • Push Timer to cycle through the settings from 1 Hour → 2 Hours → ... → 12 Hours maximum. - 5 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 6: Self-Diagnosis

    Bad Thermistor Wiring 0.25 sec On per flash, 0.25 sec OFF between flashes, LED Flash Rate 2.00 sec OFF between codes. - 6 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 7: Additional Controls

    86° F (30.0° C) 54° F (12.2° C) Unit Type Cooling+Electric Heater+Heat Pump Cooling+Electric Heater Heat Pump Only Cooling Only - 7 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 8: Energy Saver

    24 Volt-N 24 Volt-L Compressor Heater Reversing Valve High Fan Low Fan GL GH O (Molex Housing Spec 396-07V) - 8 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 9: Mechanical Parts

    Flip the discharge grille 180°, then reattach the discharge grille to the front grille with 4 screws. - 9 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 10: Control Box

    6. Pull the control box assembly out from the unit. (See Figure 4) 7. Re-install the components by referring to the removal procedure. Figure 4 - 10 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 11: Air Handling Parts

    5. Remove the fan. (See Fig. 8) 6. Re-install the components by referring to the removal procedure, above. Figure 8 - 11 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 12: Electrical Parts

    4. Disconnect all the leads of capacitor terminals. 5. Re-install the components by referring to the removal procedure, above. Figure 12 - 12 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 13: Power Cord

    The wires should also be pressed a little downwards to prevent touching it to the display pcb. Figure 14 - 13 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 14: Refrigeration Cycle

    2. Remove the capillary tube. 3. Re-install the components by referring to notes. - 14 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 Open valve C. Discharge the line at the manifold connection. 5) The system is now ready for final charging. - 15 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 16 Figure 16 A-Pulling Vacuum Figure 16 B-Charging - 16 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 17: Installation

    4) Insulation strip prevents the exhaust air from re-entering from either side of condenser space which may decrease Rear the cooling efficiency of condenser. - 17 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 18: Wall Sleeve Installation

    - 18 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 19: Preparation Of The Front Grille

    Preparation of the Wall Case for All Types of temperature control. Construction As shipped, the LG wall sleeve is ready for installation. Care should be taken in location of electrical supply entry Do not remove the stiffener from inside the wall case or the...
  • Page 20 - 20 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21 - 21 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 22: Unit Installation

    4. Reinstall the front grille by hooking the top over the unit top, then pushing it in at the bottom. (See Figure 4) Figure 4 - 22 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 23: Electrical Requirements

    National Electrical Code and local codes and ordinances. NOTE: DO NOT USE AN EXTENSION CORD on 265 Volt units. - 23 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 24: Field-Installed Accessories

    Figure 23 - New Door Installation Figure 21 - Remove Front Door Hinge Pins (Each Side) Brackets (Each Side) Front - 24 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 25 Important Note: The unit OFF switch does not disconnect all electrical power to this unit. - 25 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 26 10. Place the top cover assembly back into the unit. coming out of the inlet of the spraying tube. Figure 30 - 26 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 27 Figure 33. Figure 32 - 27 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 28 The unit OFF switch does not disconnect all electrical power corresonding holes in the architectural grille. to this unit. - 28 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 29: Condensate Drain Kit

    See Figure 35 for components of the drain kit. - 29 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 30 Slide the chassis into the wall sleeve until the chassis flanges - 30 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 31: Leveling Legs

    Checklist The following is an abbreviated guide to leveling leg installation. Refer to appropriate areas for more detailed information. - 31 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 32 1. Two leveling legs are supplied in each kit. 2. One kit is required per unit. 3. Fout mounting screws are provided in each kit. - 32 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 33: Hard Wire Kit

    12. Insert the wire tie into the 1/4" diameter hole located just above the incoming power opening. Tie all wires together securely with the wire tie. See Figure 46. - 33 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 34 8. Install the junction box cover plate. 9. Reinstall the control panel assembly. Back of Control Panel - 34 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 35: Fuse Holder Kit

    Control Panel The unit OFF switch does not disconnect all electrical power to this unit. Fuse Holder Knockouts under panel - 35 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 36 Wire nut the other end to black subbase wire leading to Fuseholder RD-9 receptacle. (Figure 51) Green Field Connection Black Wiring - 36 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 37 Figure 51—Standard Escutcheon HEAT HEAT E/SAVE E/SAVE F1 LOW HIGH HIGH F2 HIGH COOL COOL TIMER TIMER TEMP/TIME MODE TIMER - 37 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 38 Attach skirting with four sheet metal screws provided with kit. prior to its installation and use. (Figure 57, Location E) 7. Wire subbase for appropriate voltage (Figure 59). - 38 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 39 Figure 60 - NEMA Plug Configurations Voltage Unit Plug Subbase Receptacle 2-13/16" Cover (71 mm) Wiring Access Subbase Box Assy Low Voltage Compartment - 39 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 40: Outside Dimensions

    LIQUID LIQUID OUTLET PRESSURE DROP (LIQUID REFRIGERANT) HIGH PRESSURE VAPOR LIQUID PEFRIGERANT CAPILLARY TUBE LOW PRESSURE VAPOR Figure 60 - 40 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 41 Satisfactory operation with temperature difference of Repair clogging in inlet & outlet air 44.6~50˚ F refrigeration circuit. (7~10˚ C) - 41 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 42 Regular but fails to start Irregular motor insulation ( ) Replacement of compressor (locking of rotor, metal) Replacement of compressor (Motor damaged) - 42 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 43 If knocking sounds continue when running or loose, replace the motor. If the motor hums or noise appears to be internal while running, replace motor. - 43 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 44: Room Air Conditioner Voltage Limits

    ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 265V 239V 292V - 44 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 45 If the blower or fan is hitting air guide, rearrange the air handling parts. Copper tubing Carefully rearrange tubing not to contact, compressor, shroud, and barrier. - 45 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 46: Piping Diagrams

    Thermistor for indoor Air temperature CN-IDAT Thermistor for evaporating temperature CN-IDPT Thermistor for outdoor Air temperature CN-ODT Thermistor for condenser Air temperature - 46 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 47: Schematic Diagram

    INDOOR Pressure MOTOR Switch GN/YL P/NO:3850A20594M CN-AUX_S CN-THERMO_S CN-IDPT CN-IDAT CN-LINK CN-ODT CN-DISP1 CN-IDF CN-DISP2 CN-4WAY CN-ICR CN-ODF CN-PRESS - 47 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 48: Exploded View

    Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request. Please check the correct parts in View RPL(Replacement Part List) on GCSC. (GCSC Website http://biz.lgservice.com) - 48 - Copyright ©2010 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 49 Service call Number # : 1-888-865-3026 Service call Number # : (888) LG Canada, (888) 542-2623 CANADA January, 2010 P/NO : MFL63264606...

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