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manual abstract
Incorrect methods of installation may cause death or serious injury. CAUTION ......... Improper installation may result in serious consequence. Make sure to connect earth wire. This sign in the figures indicates prohibition. Be sure to tighten the flare nut to the specified torque using a torque wrench. If the flare nut is tightened excessively, it may crack as time elapses, cause refrigerant leakage. ! ! SPLIT UNIT AIR CONDITIONER INSTALLATION MANUAL Outdoor Unit RAM-72Q5 (Mark is exclusive use tool for R410A) + – Screwdriver Measuring Tape Knife Saw o 65mm Power Drill Hexagonal Wrench Key ( 4mm) Wrench (14, 17, 22, 26mm) Gas Leakage Detector Pipe Cutter Putty Vinyl Tape Pliers Flare Tool Vacuum Pump Adapter Manifold Valve Charge Hose Vacuum Pump Carefully read through the procedures of proper installation before starting installation work. The sales agent should inform customers regarding the correct operation of installation. SAFETY PRECAUTION Read the safety precautions carefully before operating the unit. The contents of this section are vital to ensure safety. Please pay special attention to the following sign. ! WARNING ! CAUTION A circuit breaker must be installed in the house distribution box for the direct connected power supply wire to the outdoor unit. In case of other installations a main switch with a contact gap or more than 3.5mm has to be installed. Without a circuit breaker, the danger of electric shock exists. Please request your sales agent or qualified technician to install your unit. Water leakage, short circuit or fire may occur if you do the installation work yourself. FOR SERVICE PERSONNEL ONLY HFC R410A Tools Needed For Installation Work Be sure that the unit operates in proper condition after installation. Explain to customer the proper way of operating the unit as described in the user’s guide. Unauthorized modifications to the air conditioner may be dangerous. If a breakdown occurs please call a qualified air conditioner technician or electrician. Improper repairs may result in water leakage, electric shock and fire, etc. Be sure to connect the earth wire from the power supply wire to the outdoor unit and between the outdoor and indoor unit. Improper earthing may cause electric shock. Please observe the instructions stated in the installation manual during the process of installation. Improper installation may cause water leakage, electric shock and fire. Make sure that the units are mounted at locations which are able to provide full support to the weight of the units. If not, the units may collapse and impose danger. Observe the rules and regulations of the electrical installation and the methods described in the installation manual when dealing with the electrical work. Use power cables approved by the authorities of your country. Be sure to use the specified wire for connecting the indoor and outdoor units. Please ensure that the connections are tight after the conductors of the wire are inserted into the terminals. Improper insertion and loose contact may cause over-heating and fire. Please use the specified components for installation work. Otherwise, the units may collapse or water leakage, electric shock and fire may occur. Be sure to use the specified piping set for R-410A. Otherwise, this may result in broken copper pipes or faults. When installing or removing an air conditioner, only specified refrigerant (R410A) shall be allowed, do not allow air or moisture to remain in the refrigeration cycle. Otherwise, pressure in the refrigeration cycle may become abnormally high so that a rupture may be caused. Be sure to ventilate fully if a refrigerant gas leak while at work. If the refrigerant gas comes into contact with fire, a poisonous gas may occur. After completion of installation work, check to make sure that there is no refrigeration gas leakage. If the refrigerant gas leaks into the room, coming into contact with fire in the fan-driven heater, space heater, etc., a poisonous gas may occur. Do not install the unit near a location where there is flammable gas. The outdoor unit may catch fire if flammable gas leaks around it. Please ensure smooth flow of water when installing the drain hose. An IEC approved power cord should be used. Power cord type: NYM. THE CHOICE OF MOUNTING SITE (Please note the following matters and obtain permission from customer before installation). ! WARNING The Outdoor unit must be mounted at a location which can support heavy weight. Otherwise, noise and vibration will increase. ! CAUTION Do not expose the unit under direct sunshine or rain. Besides, ventilation must be good and clear of obstruction. The air blown out of the unit should not point directly to animals or plants. The clearances of the unit from top, left, right and front are specified in figure below. At least 3 of the above sides must be open air. Be sure that the hot air blown out of the unit and noise do not disturb the neighbourhood. Do...