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Manafacture: Mitsubishi Electronics File size: 1.09 mb File name: c41f7ea2-4aa0-4183-b2f7-1f22c93b7c3f.pdf Language of manual:

Since the caution items shown here contain important description relative to safety, please observe them without fail. Erroneous handling gives a high possibility to induce serious results such as death or heavy injury. Erroneous handling may induce serious injury depending on the situation. Warning Caution After reading, please keep it with you together the Instruction Manual, and read it again at the movement of the unit. Warning The unit should not be installed by the user. If the unit is installed improperly, explosion, water leakage, electric shock or fire may be result. Consult your dealer or specialist subcontractor for repair and movement. For installation, conduct the work correctly by following the Installation Manual. Improper installation may cause a fire, electrical shock or water leakage. Install the unit on a spot sufficiently durable against the unit weight. Insufficient durability can cause an injury by the falling down of unit. All electric work must be performed by licensed technician, according to local regulations and the instructions given in this manual. The units should be powered by dedicated power lines. Power lines with insufficient capacity or improper electrical work may result in electric shock or fire. Use only the specified cables for wiring. The connections must be made secured without tension the terminals. Improper connection or fastening can cause a fire or electrical shock. The unit should be installed according to the instructions in order to minimize the risk of damage from earthquakes, typhoons or strong winds. Improper installation work can cause an injury by the falling down of the unit. The unit must be installed on stable, flat surface, in a place where there is no accumulation of snow, leaves or rubbish. The unit should be installed in a location where air and noise emitted by the unit will not disturb the neighbors. Never repair the unit, remodel or transfer it to another site by yourself. If they are performed improperly, water leakage, electric shock or fire may result. If you need to have the unit repaired or moved, consult your dealer. Use only the specified refrigerant (R-22) to charge the refrigerant circuit. Do not mix it with any other refrigerant and do not allow air to remain in the circuit. Air enclosed in the circuit can cause high pressure resulting in a rupture and other hazards. After completing installation work, make sure that refrigerant gas has not leaked. If refrigerant gas has leaked and exposed to fan heater, stove, oven and so on, it may generate noxious gases. Take a proper measure to suppress the critical concentration of refrigerant if leaked when installing the unit in a small room. The limit density is made not to be exceeded even if the refrigerant leaks by any chance. You are necessary to ventilation measures to prevent the accident. If the refrigerant leaks, hypoxia accident may caused. For the countermeasure to be taken, consult your dealer. The terminal block cover of unit must be firmly attached to prevent entry of dust and moisture. Improper mounting of the cover cause electric shock or fire. Use only optional parts authorised by Mitsubishi Electric. If the accessories are installed improperly, water leakage, electric shock or fire may result. Ask your dealer or an authorised company to install them. If the unit is loosely mounted, it may fall, and cause injury. - 2 Caution Refrain from installing the unit in an area where flammable gas can accumulate around the unit. If the flammable gas can accumulate around the unit, an explosion can occur. When the unit is installed at telecommunication centers or hospitals, take a proper provision against noise. The erroneous operation of air conditioner may be induced by inverter equipment, independent power device, medical equipment or communication equipment. While the erroneous operation of medical equipment or communication equipment may caused by the air conditioner. For special use as for foods, animals/plants, precision equipment or art objects, the applicability should be confirmed beforehand. As the use for the applications other than that designed originally may result in the deterioration of the quality. Consult your dealer in this regard. Do not use the unit under a special atmosphere. Installing the unit at the following places may cause a trouble, a place where much machine oil, salt sonnet, humidity or dust, spa district, a place full of sulfur gas, volatile gas, or corrosive gas, a place near high frequency processing machine. Thermal insulation of the drain pipes is necessary prevent dew condensation. If the drain pipes are not properly insulated, condensation will result and drip on ceiling, floor or other possessions. The drain piping must process by surely,and insulate the drain piping not to be dewy. When the room humidity exceeds 80% or when the drain pipe is clogged, water may drip from the indoor unit. The outdoor unit produces condensation during the heating opera...

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