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.
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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.
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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.) •...
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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.
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) •...
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 •...
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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–...
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–...
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–...
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...
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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...
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.
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...
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...
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.
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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.
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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)
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.
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...
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) •...
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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.
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.
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