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Resumen del manual
Air Conditioner Service Manual CONTENTS Part 1 General Information 1. Safety Precautions........................................................................................................4 2. Nomenclature ...............................................................................................................7 Part 2 Functions & Controls 1. List of Functions & Controls........................................................................................9 2. Basic Mode Controls .................................................................................................10 3. Special Mode Controls ...............................................................................................12 4. Utility Functions .........................................................................................................13 5. Protection Functions & Controls...............................................................................16 Part 3 Test Run 1. Check before Test Run ...............................................................................................31 2. Test Run Flow chart....................................................................................................32 3. Test Run Detail ............................................................................................................33 Part 4 Trouble Shooting Guide 1. 2-Way, 3-Way Valve ....................................................................................................35 2. Pumping Down ...........................................................................................................36 3. Evacuation (All amount of refrigerant leaked) ........................................................37 4. Gas Charging (After Evacuation) ..............................................................................38 5. Cycle Troubleshooting Guide ....................................................................................39 6. Electric Parts Troubleshooting Guide.......................................................................41 7. Self-diagnosis Function .............................................................................................46 2 Room Air Conditioner Part 1 General Information 1. Safety Precautions ............................................................................................................4 2. Nomenclature......................................................................................................................7 Service Manual 3 Part 1 General Information 1. 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. Meanings of symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. Dangerous Voltage 1.1 Cautions in Repair Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for a repair.Internal components and circuit boards are at main potential when the equipment is connected to the power cables. This high voltage is extremely dangerous and may cause death or severe injury if come in contact with it. Do not touch the discharging refrigerant gas during the repair work. The discharging refrigerant gas.The refrigerant gas can cause frostbite. Release the refrigerant gas completely at a well-ventilated place first. Otherwise, when the pipe is disconnected, refrigerant gas or refrigerating machine oil discharges and it Can cause injury. When the refrigerant gas leaks during work, perform ventilation. If the refrigerant gas comes in contact with a fire, poisonous gas generates. A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage of oxygen occurs. Be sure to perform ventilation. When removing the front panel or cabinet, execute short-circuit and discharge between high voltage capacitor terminals. If discharge is not executed, an electric shock is caused by high voltage resulting in a death or injury. Do not turn the air-conditioner ON or OFF by plugging or unplugging the power plug. There is risk of fire or electrical shock. 4 Room Air Conditioner Part 1 General Information Do not use a defective or underrated circuit breaker. Use the correctly rated breaker and fuse. Otherwise there is a risk of fire or electric shock. Install the panel and the cover of control box securely. Otherwise there is risk of fire or electric shock due to dust, water etc. Indoor/outdoor wiring connections must be secured tightly and the cable should be routed properly so that there is no force pulling the cable from the connection terminals. Improper or loose connections c...