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LG PACKAGED TERMINAL
AIR CONDITIONER/HEAT PUMP
OWNER'S MANUAL
Please read the operating instructions and safety precautions carefully
and thoroughly before installing and operating your air conditioner.
http://www.lgservice.com
IMPORTANT
Please read through this manual. It contains valuable
information about your air conditioner. This manual
may help save time and money by explaining proper
air conditioner maintenance and preventing improper
use.
LG
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Table of Contents
Related Manuals for LG LP155CED1
Summary of Contents for LG LP155CED1
- Page 1 LG PACKAGED TERMINAL AIR CONDITIONER/HEAT PUMP OWNER'S MANUAL Please read the operating instructions and safety precautions carefully and thoroughly before installing and operating your air conditioner. http://www.lgservice.com IMPORTANT Please read through this manual. It contains valuable information about your air conditioner. This manual...
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Page 2: Table Of Contents
Packaged Terminal Air Conditioner/Heat Pump Owner's Manual TABLE OF CONTENTS Safety Precautions...3 Before Operation ...7 Introduction ...8 Electrical Safety ...9 Installation ...11 Control Locations...13 Maintenance and Service ...21 2 Room Air Conditioner FOR YOUR RECORDS Write the model and serial numbers here: Model # Serial # You can find them on a label on the side of each unit. -
Page 3: Safety Precautions
Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. - Page 4 Safety Precautions Operation Do not place objects on the power cord. Protect the cord from being pinched or damaged. • There is danger of fire or electric shock. Do not place the power cord near a heater. • It may cause fire and electric shock.
- Page 5 Do not operate or stop the unit by inserting or pulling out the power plug. • It will cause electric shock or fire due to heat generation. Hold the plug by the end when taking it out. • It may cause electric shock and damage.
- Page 6 Safety Precautions I Operation Do not put a pet or house plant where it will be exposed to direct air flow. • It is not good to sit in the draft. Do not step on the indoor/outdoor unit and do not put anything on it. •...
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Page 7: Before Operation
Before Operation Preparing for Operation 1. Contact an installation specialist for installation. This is NOT a do-it-yourself project. 2. Plug in the power plug properly. 3. Use a dedicated circuit. 4. Do not use an extension cord. Consult a professional installer or electrician. 5. -
Page 8: Introduction
Introduction Introduction Symbols Used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. NOTICE This symbol indicates special notes. Features This appliance should be installed in accordance with the National Electric Code. Expanded Metal Grille Should be applied for better performance in PTAC and PTHP Units. -
Page 9: Electrical Safety
Electrical Safety Electrical Data 115V~ NOTICE The shape may be different according to its model. Use Wall Receptacle Power Supply Use 15 AMP. time delay fuse or 15 AMP. Circuit breaker. Standard 208/230V, 3-wire grounding receptacle rated 15A Use 20 AMP. time delay fuse or 20 AMP. - Page 10 Electrical Safety Electrical Safety IMPORTANT (PLEASE READ CAREFULLY) FOR THE USER'S PERSONAL SAFETY, THIS APPLIANCE MUST BE PROPERLY GROUNDED The power cord of this appliance is equipped with a three-prong (grounding) plug. Use this with a standard three-slot (grounding) wall power outlet to minimize the hazard of electric shock.
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Page 11: Installation
20" of the back that would interfere with heat radiation and exhaust air flow. To maintain the best NOTICE performance of the LG PTAC, an insulation strip must be attached. The insulation strip is provided with the box. -
Page 12: Unit Installation
• UNIT INSTALLATION 1. Remove the shipping screw from the ventilation door. 2. Remove the front gille by pulling it out at the bottom to release it, then lift it up along the unit top front. 3. Slide the unit into the wall sleeve and secure with 6 screws through the unit flange holes. -
Page 13: Control Locations
Control Locations Manual Controls TEMPERATURE CONTROL Set the Thermostat control to the desired temperature mark 5 (the mid-point is a good starting position). If the room temperature is not satisfactory after a reasonable time, adjust the control to a cooler or warmer setting, as appropriate. -
Page 14: Fan Speed
Control Locations Electronic Controls The controls will look like one of the following. FAN SPEED • Every time you push this button, it cycles through the settings as follows: {High(F2) Low(F1) High(F2) TEMP MODE Push this button to cycle through the modes from COOL HEAT COOL. -
Page 15: Self-Diagnosis
Self-Diagnosis FUNCTION: If the unit has a malfunction, a green OPERATIONLED located on the Display PCB used by the unit to indicate the errors. USE: If the customer has to register a complaint to the service center, he can be very clear about registering the complaint that what is happening &... -
Page 16: Additional Controls
Control Locations Additional Controls • REMOVING THE FRONT GRILLE Additional controls are available after removing the front grille and option cover of control box. To remove the front grille, pull out the bottom of front grille and then lift up. To replace the front grille, place the tabs over the top of the unit and push the bottom of front grille until the clips snap... - Page 17 • REMOVING THE FRONT GRILLE Additional controls are available after removing the front grille and option cover of control box. To remove the front grille, pull out the bottom of front grille and then lift up. To replace the front grille, place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place.
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Page 18: Energy Saver
• REMOTE/LOCAL CONTROL When remote/local switch #1 is on, it allow the unit to operate by the Remote Wall Thermostat. The unit control by knobs are not available. • ENERGY SAVER The energy saver switch #2 is on. This switch is set at cycle fan to provide continuous fan operation in cool or heat modes. - Page 19 • REMOTE/LOCAL CONTROL When remote/local switch #1 is on, it allow the unit to operate by the control of Remote Wall Thermostat. The unit control by knobs are not available. • ENERGY SAVER The energy saver switch #2 is on. This switch is set at continuous fan to provide continuous fan operation in cool or heat modes.
- Page 20 Control Locations Disassembly Instructions - Before the following disassembly, POWER SWITCH is set to OFF and disconnected the power cord. 1. Remove the front grille. 2. To remove the front grille, pull out the bottom of the front grille and then lift up. Re-install the component by referring to the removal procedure.
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Page 21: Maintenance And Service
Maintenance and Service TURN THE AIR CONDITIONER OFF AND REMOVE THE PLUG FROM THE POWER OUTLET. Air Filter Cleaning The air filter should be checked at least twice a month to see if cleaning is necessary. Trapped particles in the filter will build up and block the airflow. This reduces the cooling capacity and also causes an accumulation of frost on the cooling coils. - Page 22 Maintenance and Service Drainage(Optional) The base pan may overflow due to high humidity. To drain the excess water, remove the drain cap from the back of the unit. Chassis The chassis must be cleaned every four months or more often as the atmospheric conditions require.
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Page 23: Troubleshooting
Common Problems and Solutions Troubleshooting Tips save time and money! Review the chart below first and you may not need to call for service. Normal Operation • You may hear a pinging noise caused by water being picked up and thrown by the slinger fan against the condenser on rainy days or when the humidity is high. - Page 24 Maintenance and Service COMPLAINT Grommets Loose set screw Fan motor noise. Worn bearings Voltage Wiring Rotary Compressor will Thermostat not run, but fan motor runs. Capacitor (Discharge capacitor before servicing.) Compressor Overload 24 Room Air Conditioner CAUSE • Check grommets; if worn or missing, replace them. •...
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Page 25: Room Air Conditioner Voltage Limits
COMPLAINT CAUSE Voltage Overload Fan motor Compressor cycles on Condenser air flow restriction overload. Condenser fins (damaged) Capacitor Wiring Refrigerating system Air filter Insufficient Exhaust damper door cooling or heating Unit undersized Cross flow fan Excessive noise. Copper tubing ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING 208/230 V 265 V... - Page 26 Nota 50 Aparato de aire acondicionado...
- Page 27 LG Packaged Terminal Air Conditioner Limited Warranty - USA Should your LG Packaged Terminal Air Conditioner prove to be defective in materials or workmanship under normal use during the warranty period listed below, LG Electronics will replace the defective part(s). Replacement part(s) will meet intended fit and function of the original part(s).