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LG Electronics LF300CP(LP-C303R20), LF480CE(LP-C483TA0) service manual - page 9

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Outdoor Unit

Deice Control

Outdoor Fan Speed Control

Sensing Heat Exchanger Temperature

• De-ice PCB

(Heating Model Only)

• One speed

• Heat exchanger temperature sensor (Thermistor)

Contents

Main Contents Safety Precautions Installation Operational Installation Gasolin Operational Wax Thinner Functions Indoor Unit Remote Control Page Product Specifications Dimensions Indoor Unit: LPNC303R20 (LF300CP) Outdoor Unit : LPUC303R20 (LF300CP) Indoor Unit Outdoor Unit Page Indoor Unit Outdoor Unit Page Page 1. Time Delay Safety Control 2. Airflow Direction Control .... 3. Cooling Mode Operation Operation Details 4. Off Timer Function 5. Heating Mode Operation 6. Hot-Start Control 7. Defrost Control 9. Protection of the evaporator pipe from frosting 10. Air Purifying Operation(AP-Z286RC0, AP-Z286R20, AP-Z488TC0) Setting Temp. Indoor Fan Speed 8. Soft Dry Operation Mode 12. Alarm mode display / only displayed while operating. 13. Energy Saving 14. AUTO RESTART 15. Function of changing set temperature when re-operation after stop. 16. Function for test operation 1. Selection of the best location 1) Indoor unit 1000mm(39.4inch) 2) Outdoor unit Installation of Indoor, Outdoor Unit 50mm(2inch) Indoor unit 400mm (16inch) 3) Piping length and the elevation 2. Indoor Unit installation 3. Outdoor unit Installation INSIDE OUTSIDE 4. Refrigerant amount Wall Core Drill Test running CAUTION HAND OVER Troubleshooting Guide PACKAGE AIR CONDITIONER VOLTAGE LIMITS No cooling and heating operation performed 2) Only blowers do not work 3) Only outdoor fan does not work 4) Only compressor does not work The Units discontinue after the operation started The unit is working, but not cooling and heating sufficiently (Both blower and compressor are working) 9.4 All the functions are performed normally, but very noisily and much vibratively. Trouble checking by protection devices Page Electronic Parts Troubleshooting Guide 1) No cooling operation performed. 2-1) Indoor fan does not operate 3) Airflow Direction does not operate. 4) Remote control does not operate. 5) The unit does not operate. 6) Timer control does not operate. 7) No heating operation works 8) No heater operation works Exploded View and Replacement Parts List 1. Indoor Unit Model : LF300CP(LP-C303R20) Page Model : LF480CE(LP-C483TA0) Page 2. Outdoor Unit Model : LF300CP(LP-C303R20) Model : LF480CE(LP-C483TA0)