User manual LG L1004R

[. . . ] This symbol indicates the possibility of injury or damage to properties only. s Meanings of symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. WARNING s Installation Do not use damaged power cord plugs, or a loose socket. · There is risk of fire or electric shock. Always use the power plug and socket with the ground terminal. · There is risk of electric shock. Service Manual 3 Safety Precautions Do not modify or extend the power cord. Do not install, remove, or re-install the unit by yourself(customer). · There is risk of fire, electric shock, explosion, or injury. · There is risk or fire or electric shock. Be cautious when unpacking and installing the product. · Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator. Do not store or use flammable gas or combustibles near the air conditioner. · There is risk of fire or failure of product. Sharp edges Gasolin Be sure the installation area does not deteriorate with age. · If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. 4 Room Air Conditioner Dimensions Dimensions Symbols Used in this Manual This symbol alerts you to the risk of electric shock. [. . . ] Disconnect two leads from the capacitor and relay. Re-install the component by referring to the above removal procedure, above. (Use only one ground-marked hole for ground connection. ) 7. If the supply cord of this appliance is damaged, it must be replaced by the special cord. (The special cord means the cord which has the same specification marked on the supply cord attached at the unit. ) Co COOL ol FAN Ene DRY rgy Sav er INDO FAN OR Fan Dry Tim er HEA T DEF ROS ENE F2 LOW RGY SAV F3 MED HIGH ER AIR PUR YFIE AUT R RES O TAR DES IRED F1 T °C MO DE TIM ER TEMP FA SP N EE D T PO WE R Figure 24 Service Manual 15 Disassembly 11. Remove the 4 screws that fasten the motor from the air guide. Re-install the components by referring to the removal procedure, above. (See Figure 25) Figure 25 Refrigerating Cycle 12. Condenser CAUTION: Discharge the refrigerant system using a FreonTM Recovery System. If there is no valve to attach the recovery system, install one (such as a WATCO A-1) before venting the FreonTM. Leave the valve in place after servicing the system. 1. Remove the 4 screws that fasten the brace. (Refer to section 4) 3. With valves A and B closed, stop the vacuum pump. 4) Remove the hose from the vacuum pump and place it on the charging cylinder. Discharge the line at the manifold connection. 5) The system is now ready for final charging. 6. Recharge as follows : 1) Refrigeration cycle systems are charged from the High-side. If the total charge cannot be put in the High-side, the balance will be put in the suction line through the access valve which you installed as the system was opened. 2) Connect the charging cylinder as shown in figure 28B. With valve C open, discharge the hose at the manifold connection. 3) Open valve A and allow the proper charge to enter the system. 4) If more charge is required, the high-side will not take it. 5) With the unit running, open valve B and add the balance of the charge. [. . . ] If not within limits, call an electrician. Pay attention to any change from high speed to low speed. If the speed does not change, replace the motor. Fan motor noise. Fan Turbo Loose clamper Worn bearings If cracked, out of balance, or partially missing, replace it. If cracked, out of balance, or partially missing, replace it. [. . . ]