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• Installation work must be performed in accordance with the national wiring standards by authorized personnel only. • Please retain this installation manual for future reference after reading it thoroughly. TYPE: Ceiling Suspended P/NO : MFL67107606 Ceiling Suspended Convertable Type Indoor Unit Installation Manual TABLE OF CONTENTS Installation Requirements Introduction.............................3 Safety Precautions.................4 Installation Selection of the best location 6 Preparing Work for Installation ................................................6 Indoor unit Installation............8 Preparation of Piping .............9 Checking the Drainage ........11 Wiring Connection ...............11 Side Cover Assembly..........13 Installation of Wired Remote Controller ...............14 Optional Operation of Wired Remote Controller ....16 Dip Switch Setting ...............17 Group Control Setting..........18 Required Parts o Installation guide map o Four type "A" screws & plastic anchors o Connecting cable o Pipes: Gas side Liquid side (Refer to Product Data) o Insulation materials o Additional drain pipe Required Tools o Level gauge o Screw driver o Electric drill o Hole core drill o Horizontal meter o Flaring tool set o Specified torque wrenches (different depending on model No.) o Spanner .......Half union o Hexagonal wrench o Gas-leak detector o Vacuum pump o Gauge manifold o Owner's manual o Thermometer 2 Indoor Unit Installation Manual 3 Installation Parts ENGLISH Introduction This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that may cause harm to the air conditioner. NOTICE This symbol indicates special notes. Symbols used in this Manual Features Air Filter Signal Receptor Air Discharge Right Side Cover Inlet Grill Left Side Cover Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Be sure to read before installing the air conditioner. n Be sure to observe the cautions specified here as they include important items related to safety. n 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. n Meanings of symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. n Installation Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit. • There is risk of fire or electric shock. Install the panel and the cover of control box securely. • There is risk of fire or electric shock. Do not modify or extend the power cable. • There is risk of fire or electric shock. For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire, electric shock, explosion, or injury. For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center. • Do not disassemble or repair the product. There is risk of fire or electric shock. Always install a dedicated circuit and breaker. • Improper wiring or installation may cause fire or electric shock. 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. • Moisture may condense and wet or damage furniture. Do not install the product on a defective installation stand. • It may cause injury, accident, or damage to the product. Always ground the product. • There is risk of fire or electric shock. Use the correctly rated breaker or fuse. • There is risk of 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. 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. Indoor Unit Safety Precautions n Operation Do not store or use flammable gas or combustibles near the product. • There is risk of fire or failure of product. ENGLISH n Installation Always check for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product. Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a problem for your neighbors. If you eat the liquid from the batteries, brush your teeth and see doctor. Do not use the remote if the batteries have leaked. • The chemicals in batteries could cause burns or other health hazards. Install the drain hose to ensure that water is drained away properly. • A bad connection may cause water leakage. Use two or more people to lift and transport the product. • Avoid personal injury. Keep ...