Carrier 42LUVH055N Service Manual

11. Precaution1.1 Safety Precaution To prevent injury to the user or other peopleand property damage, the following instructionsmust be followed. Incorrect operation due to ignoringinstruction will cause harm or damage. Before service unit, be sure to read thisservice manual at first.1.2 Warning Installation Do not use a defective or underrated circuitbreaker. Use this appliance on a dedicated circuit.There is risk of fire or electric shock. For electrical work, contact the dealer, seller,a qualified electrician, or an Authorized servicecenter.Do not disassemble or repair the product, there is riskof fire or electric shock. Always ground the product.There is risk of fire or electric shock. Install the panel and the cover of control boxsecurely.There is risk of fire of electric shock. Always install a dedicated circuit and breaker.Improper wiring or installation may cause fore orelectric shock. Use the correctly rated breaker of fuse.There is risk of fire or electric shock. Do not modify or extend the power cable.There is risk of fire or electric shock. Do not install, remove, or reinstall the unit byyourself (customer).There is risk of fire, electric shock, explosion, orinjury. Be caution when unpacking and installing theproduct.Sharp edges could cause injury, be especially carefulof the case edges and the fins on the condenser andevaporator. For installation, always contact the dealer oran Authorized service center.There is risk of fire, electric shock, explosion, orinjury. Do not install the product on a defectiveinstallation stand.It may cause injury, accident, or damage to theproduct. Be sure the installation area does notdeteriorate with age.If the base collapses, the air conditioner could fallwith it, causing property damage, product failure, andpersonal injury. Do not let the air conditioner run for a longtime when the humidity is very high and a door or awindow is left open.Moisture may condense and wet or damage furniture. Take care to ensure that power cable couldnot be pulled out or damaged during operation.There is risk of fire or electric shock. Do not place anything on the power cable.There is risk of fire or electric shock. Do not plug or unplug the power supply plugduring operation.There is risk of fire or electric shock. Do not touch (operation) the product with wethands.There is risk of fire or electric shock. Do not place a heater or other appliance nearthe power cable.There is risk of fire and electric shock. Do not allow water to run into electric parts.It may cause fire, failure of the product, or electricshock. Do not store or use flammable gas orcombustible near the product.There is risk of fire or failure of product. Do not use the product in a tightly closedspace for a long time.Oxygen deficiency could occur. When flammable gas leaks, turn off the gasand open a window for ventilation before turn theproduct on.Do not use the telephone or turn switches on or off.There is risk of explosion or fire. If strange sounds, or small or smoke comesfrom product. Turn the breaker off or disconnect thepower supply cable.There is risk of electric shock or fire. Stop operation and close the window instorm or hurricane. If possible, remove the productfrom the window before the hurricane arrives.There is risk of property damage, failure of product,or electric shock. Do not open the inlet grill of the product