Carrier 42QHC009DS Service Manual

Also see for 38QHC009DS series: Installation manual Owner's manual Owner's manual Installation manual

11. Precaution1.1 Safety Precaution To prevent injury to the user or otherpeople and property damage, the followinginstructions must be followed. Incorrect operation due to ignoringinstruction will cause harm or damage. Before service the unit, be sure toread this service manual at first.1.2 Warning Installation Do not use a defective or underratedcircuit breaker. Use this appliance on adedicated circuit.There is risk of fire or electric shock. For electrical work, contact the dealer,seller, a qualified electrician, or anauthorized service center.Do not disassemble or repair the product,there is risk of fire or electric shock. Always ground the product.There is risk of fire or electric shock. Install the panel and the cover ofcontrol box securely.There is risk of fire of electric shock. Always install a dedicated circuit andbreaker.Improper wiring or installation may cause foreor electric shock. Use the correctly rated breaker offuse.There is risk of fire or electric shock. Do not modify or extend the powercable.There is risk of fire or electric shock. Do not install, remove, or reinstall theunit by yourself (customer).There is risk of fire, electric shock, explosion,or injury. Be caution when unpacking andinstalling the product.Sharp edges could cause injury, be especiallycareful of the case edges and the fins on thecondenser and evaporator. For installation, always contact thedealer or an authorized service center. Do not install the product on adefective installation stand. Be sure the installation area does notdeteriorate with age.If the base collapses, the air conditioner couldfall with it, causing property damage, productfailure, and personal injury. Do not let the air conditioner run for along time when the humidity is very highand a door or a window is left open. Take care to ensure that power cablecould not be pulled out or damaged duringoperation.There is risk of fire or electric shock. Do not place anything on the powercable.There is risk of fire or electric shock. Do not plug or unplug the powersupply plug during operation.There is risk of fire or electric shock. Do not touch (operation) the productwith wet hands. Do not place a heater or otherappliance near the power cable.There is risk of fire and electric shock. Do not allow water to run intoelectrical parts.It may cause fire, failure of the product, orelectric shock. 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 tightlyclosed space for a long time.Oxygen deficiency could occur. When flammable gas leaks, turn offthe gas and open a window for ventilationbefore turn the product on. If strange sounds or smoke comes