4CautionsIf the air conditioner appears to be operating abnormally (smell of something burning, etc.), switch the airconditioner off at the main switch and contact the dealer where you purchased the air conditioner. Continuedoperation under such circumstances may result in a failure, electric shock or fire.Only use a qualified installer for installation of the air conditioner. Incorrect installation may result in a water leakage,electric shock or fire.Ask your dealer to carry out improvements, repairs and maintenance. Incorrect improvements, repairs and maintenancemay result in a water leakage, electric shock or fire.Never remove any fixed coves on the indoor or outdoor unit. Removal of the covers may expose fast moving fanblades or electrical components operating at a hazardous voltage. Contact with the blades or high voltage componentsmay result in injury or electric shock.Precaution against refrigerant leakage. If the air conditioner is to be installed in an unventilated room it is necessaryto take proper measures to ensure that the allowable refrigerant concentration per cubic metre cannot be exceeded, shoulda refrigerant leak occur. If the allowable refrigerant concentration is exceeded, drowsiness or asphyxiation due to oxygendeficiency may occur.For installation of separately sold component parts, ask a specialist only. Be sure to use separately sold componentparts designated by Haier. Incomplete installation performed by yourself may result in a water leakage, electric shock orfire.Ask your dealer to move and reinstall the air conditioner. Incomplete installation may result in a water leakage, electricshock or fire.Never insert any objects into the openings in the indoor or outdoor unit. This may damage the product or result ininjury or death to the person inserting the object.When the air conditioner is used in combination with burners or heaters, ensure sufficient ventilation. Insufficientventilation may result in an oxygen deficiency accident.Regularly check the quality of the foundation blocks. If they are left in a damaged condition, the unit may fall andresult in injury.Do not place or use a flammable spray can near the air conditioner. Doing so may result in a fire.To clean the air conditioner, stop the operation and switch the power off at the main switch. Otherwise, an electricshock and injury may result.Do not expose the indoor unit or remote controller to rain or moisture. Water or other fluids on the electrical componentsmay result in fire or electric shock.Always replace any blow fuse with a fuse of the same specification. The use of the wrong type fuse may allow theelectrical wiring to overheat and catch on fire. If the correct type of fuse continues to blow contact your installer or electrician.Do not place a burner or heater in a place directly exposed to the airstream from the air conditioner. Incompletecombustion of the burner or heater may result.Do not wash the air conditioner with water. An electric shock may result.Do not install the air conditioner in an area where flammable gas may be present. If the gas leaks out and staysaround the air conditioner, a fire may break out.Avoid prolonged exposure of your body to direct streams of cold air. Your physical condition may deteriorate.WHAT TO DO BEFORE OPERATING YOUR SYSTEM FOR THE FIRST TIMECarefully read the operation manual supplied with your controller. Be sure to follow the operation instructions to ensurethe system functions correctly.Ensure that your installer shows you the location of the main power switch of the air conditioning system. This switch isnormally located adjacent to the outdoor unit or in the fuse box switchboard.The main switch must be turned on at least 6 hours before the air conditioner is operated to warm up the compressor.Failure to do so may result in damage to the compressor which will not be covered by warranty.Ensure that there are no obstacles near the air outlet of the outdoor unit.Obstacles such as plants, boxes, fences, etc. may result in declined performance and increased running noises.Ensure the air filter is installed in the return air grille.