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Summary of Contents for LG LPC483TAO
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Page 1: Floor Standing Type
Floor Standing Type Air Conditioner SERVICE MANUAL MODEL: LP-C303R20 LP-C483TA0... -
Page 2: Table Of Contents
Contents Safety Precautions ...3 Functions ...7 Product Specifications ...10 Dimensions ...11 Wiring Diagram...15 Operation Details ...17 Installation of Indoor, Outdoor Unit...23 Test Running ...25 Cycle Troubleshooting Guide...27 Exploded View and Replacement Parts List...28 –2–... -
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. This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only. - Page 4 Authorized Service Center. • There is risk of fire, electric shock, explosion, or injury. Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.
- Page 5 Do not store or use flammable gas or combustibles near the product. • There is risk of fire or failure of product. l i n G a s o Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) •...
- Page 6 Keep level even when installing the product. • To avoid vibration or water leakage. 90˚ Operational Use a soft cloth to clean. Do not use harsh detergents, solvents, etc. • There is risk of fire, electric shock, or damage to the plastic parts of the product.
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Page 7: Functions
Functions Indoor Unit Power Switch ON/OFF Operation Mode Control • Cooling, Heating, Soft Dry, Fan Indoor Fan Speed Control • High, Med & Low Room Temperature control • Maintains the room temperature in accordance with the Setting Temp. • Up: up to 30°C(86.0°F) •... -
Page 8: Remote Control
Remote Control Operation ON/OFF Cooling Operation Mode Heating Operation Mode Sot Dry Operation Mode • Intermittent operation of fan at low speed. Fan Operation • Used to circulate room air without cooling. Timer Control • OFF Timer (1, 2, 3,...7 hour) Airflow Direction Control •... - Page 9 Outdoor Unit Deice Control (LP-H488TA0 only) • De-ice PCB Outdoor Fan Speed Control • One speed Sensing Heat Exchanger Temperature • Heat exchanger temperature sensor (Thermistor) –9–...
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Page 10: Product Specifications
Product Specifications MODEL POWER SOURCE (ø, V, Hz) COOLING CAPACITY Btu/h INPUT CURRENT HEATING CAPACITY Btu/h INPUT CURRENT MAKER TYPE COMPRESSOR MODEL CAPACITY Btu/h CURRENT INPUT NOISE INDOOR dB(A) LEVEL(1m) OUTDOOR INDOOR (CFM) VOLUME OUTDOOR REFRIGERANT R-22 Kg(Oz) HEAT INDOOR R/C/FPI EXCHANGER OUTDOOR... -
Page 11: Dimensions
Dimensions 1. LP-C303R20 Indoor Unit Cool air outlet(2 sides) by Manual operation Cool air outlet(front side) Top/Bottom Airflow Controller Left/Right Airflow Controller Sliding Clean Door Display Panel Antibiotic Filter Air Inlet Outdoor Unit Bottom Panel Ground Terminal Control Cover Air Inlet(back side) Air Outlet Refrigerant Pipe Port –11–... -
Page 12: Indoor Unit
Indoor Unit Outdoor Unit Items Control Display Air outlet vent Air inlet vent Items Gas side service valve (Ø 15.88) Liquid side service valve (Ø 9.52) Fan cover Earth screw Connecting cable hole –12–... -
Page 13: Outdoor Unit
2. LP-C483TA0 Indoor Unit Air Outlet Vent Remote Signal Receptor Air Intake Vent Outdoor Unit Air Outlet Air Intake Vent (Rear) Vent –13– Piping... - Page 14 Indoor Unit Outdoor Unit Air Outlet Vent Air Inlet Vent Control display Air Outlet Vent Liquid Side SVC Valve(Ø 9.52) Gas Side SVC Valve(Ø 19.05) Control Box Earth Screw –14– Items Items...
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Page 15: Wiring Diagram
Wiring Diagram 1. LP-C303R20 Indoor Outdoor –15–... - Page 16 2. LP-C483TA0 Indoor Outdoor –16–...
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Page 17: Operation Details
Operation Details 1. Time Delay Safety Control 3min The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle. (Protection of compressor) 3sec The indoor fan is ceased for 3 seconds to prevent relay noise. (Protection of fan relay and micro chip) 30sec The 4-way valve is ceased for 30 sec. -
Page 18: Heating Mode Operation
5. Heating Mode Operation The unit will operate according to the setting by the remote controller and the operation diagram is shown as following. Intake Air Temp. Setting Temp. +1 C(1.8 F) (Compressor OFF) Setting Temp. (Compressor ON) Setting Temp. -1 C(1.8 F) Start Indoor Fan Speed Compressor... -
Page 19: Defrost Control
6. Hot-Start Control • The indoor fan stops until the evaporator piping temperature will be reached to 28°C(82.4°F). • During heating operation, if piping temperatures fall below 26°C(78.8°F) fan stops. • The operation diagram is as following. INDOOR PIPE TEMP. 28 C(82.4 F) 26 C(78.8 F) INDOOR FAN... -
Page 20: Soft Dry Operation Mode
Air purifying operating 11. Child Lock function This function is to operate Air conditioner only by Remocon. The procedure is as the following 1st: Press the 2 buttons of the temperature control simultaneously, to raise-to lower on the Display Panel of the product for more 3 seconds. - Page 21 12. Alarm mode display / only displayed while operating. CO : The sensor for sensing room temperature is open or short. C1 : The sensor for sensing piping temperature is open or short. 13. Energy Saving If setting temperature of starting energy saving operation is under 22°C(71.6°F), first, setting temperature it up to 22°C(71.6°F) and perform energy saving operation.
- Page 22 3. Setting the set temperature when heating operation. Room temperature < Set temperature: to be set to the previous set temperature. Room temperature Set temperature a) Room temperature 20°C(68.0°F)(: to be set to 23°C(73.4°F) b) 21°C(69.8°F) Room temperature c) 26°C(78.8°F) Room temperature d) 29°C(84.2°F) Room temperature : to be set to 30°C(86.0°F)
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Page 23: Installation Of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit 1. Selection of the best location 1) Indoor unit • There should not be any heat source or steam near the unit. • There should not be any obstacles to prevent the air circulation. • A place where air circulation in the room will be good. -
Page 24: Indoor Unit Installation
4. Refrigerant amount Before shipment, this air conditioner is filled with the rated amount of refrigerant including additional amount required for air-purging, subject to 5m piping length. (The rated amount of refrigerant is indicated on the name plate.) But when the piping... -
Page 25: Test Running
Test running 1. PRECAUTIONS IN TEST RUN • The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. Carry out the test run more than 5 minutes without fail. Caution (Test run will be cancelled 18 minutes later automatically) •... - Page 26 After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover.
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Page 27: Cycle Troubleshooting Guide
Cycle Troubleshooting Guide Trouble analysis 1. Check temperature difference between intake and discharge air and operating current. Temp. difference Current Temp. Difference Temp. difference Current Operating Current Temp. difference Current Temp. difference Notice : Temperature difference between intake and discharge air depends on room air humidity. When the room air humidity is relativery higher, temperature difference is smaller. -
Page 28: Exploded View And Replacement Parts List
Exploded View and Replacement Parts List 1. Indoor Unit • Model: LP-C303R20 137211 235811-1 132111 235512 235811-2 249941 267110 W0CZZ 268715 135515-2 668713 237201 135515-1 –28–... - Page 29 W52103 W4811-2 354212 W4810-2 354210 W4811-1 435512 269310 35211A 35211C 130911 336610 266000 336600 352150 W4810-1 349480 337000 159830 W50400 346810 140570 359012 W1WS W1NHA 730400 –29–...
- Page 30 Parts List (Indoor Unit ) LOCATION DESCRIPTION 132111 FRAME ASSEMBLY 135515-1 GRILLE ASSEMBLY, INLET 153315-2 GRILLE ASSEMBLY, INLET 435512 COVER ASSEMBLY, TOP(INDOOR) 137211 PANEL ASSEMBLY, FRONT(INDOOR) 140570 LOCKER ASSEMBLY 159830 AIR CLEANER ASSEMBLY 235512 COVER ASSEMBLY, DISPLAY 235811-1 DOOR ASSEMBLY, CLEAN 235811-2 DOOR ASSEMBLY, CLEAN 237201 PANEL, BASE...
- Page 31 • Model: LP-C483TA0 135310 267110 146812 137211 268714 W4811 668713 W4810 354210 237202 354210 W4810 330870 152302 135313 –31–...
- Page 32 135515 249951 249941 268715 W4810 135500 130911 W0CZZ W50400 359012 336610 346810 349480 W4810 435311 150170 349600 130400 –32–...
- Page 33 Parts List (Indoor Unit ) LOCATION DESCRIPTION 130400 BASE, INDOOR 135080-1 DECORATION 135080-2 DECORATION 135080-3 DECORATION 135310 GRILLE ASSEMBLY, DIFFUSER(INDOOR) 135313 GRILLE ASSEMBLY, INLET 435311 GRILLE ASSEMBLY, INDOOR MOTOR 135500 COVER 135515 COVER ASSEMBLY, TOP(INDOOR) 146811 MOTOR ASSEMBLY, STEP 146812 MOTOR ASSEMBLY, SYNC.
- Page 34 2. Outdoor Unit • Model: LP-C303R20 –34–...
- Page 35 Parts List (Outdoor Unit ) LOCATION DESCRIPTION 137213-1 PANEL ASSEMBLY,SIDE 137213-2 PANEL ASS'Y,SIDE 268711 PWB(PCB) ASSY,DEICER W6920 RELAY 349480 ORIFICE 349600 MOUNT,MOTOR 435301 GRILLE,DISCHARGE 435511 COVER ASSEMBLY,CONTROL(OUTDOOR) 435512 COVER ASSEMBLY,TOP(OUTDOOR) 437210 PANEL ASSEMBLY,FRONT SUB 435300 GRILLE,REAR 447910 BARRIER ASSEMBLY,OUTDOOR 546810 MOTOR ASSEMBLY,OUTDOOR 552116 TUBE ASSEMBLY,REVERSING...
- Page 36 • Model: LP-C483TA0 –36–...
- Page 37 Parts List (Outdoor Unit ) LOCATION DESCRIPTION 135301 GRILLE, DISCHARGE 137213 PANEL ASSEMBLY, SIDE 147780 268711 PWB(PCB) ASSY, DEICER 430410 BASE ASSEMBLY, WELD[OUTDOOR] 435511 COVER ASSY, CONTROL(OUTDOOR) 435512 COVER ASSY, TOP(OUTDOOR) 437210 PANEL ASSY, FRONT SUB 437212 PANEL ASSY, REAR 447910 BARRIER, OUTDOOR 546810...
- Page 38 May, 2005 P/No.: 3828A20156T Printed in Korea...
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