2TABLE OF CONTENTSTABLE OF CONTENTSSAFETY PRECAUTIONS2~3MULTI AIR CONDITIONERSYSTEM4INDOOR UNIT5REMOTE CONTROL6~7TROUBLESHOOTING8~9INFORMATION10QUICK GUIDEBACK COVERNOTENOTEThe illustrations in this manual are forexplanation purposes only and maydiffer from the actual unit. They aresubjected to change without notice forfuture improvement.SAFETY PRECAUTIONSTo prevent personal injury, injury to others, or property damage, pleasecomply with the following.Incorrect operation due to failure to follow instructions below may causeharm or damage, the seriousness of which is classified as below:WARNINGWARNING This sign warns of death orserious injury.CAUTIONCAUTION This sign warns of injury ordamage to property.The instructions to be followed are classified by the following symbols:This symbol denotes an actionthat is PROHIBITED.These symbols denote anactions that is COMPULSORY.WARNINGWARNINGINDOOR UNIT AND OUTDOOR UNITThis appliance is not intended for use by persons (includingchildren) with reduced physical, sensory or mental capabilities, orlack of experience and knowledge, unless they have been givensupervision or instruction concerning use of the appliance by aperson responsible for their safety. Children should be supervisedto ensure that they do not play with the appliance.Please consult authorized dealer or specialist to clean the internalparts, repair, install, remove and reinstall the unit. Improperinstallation and handling will cause leakage, electric shock or fire.Confirm to authorized dealer or specialist on usage of specifiedrefrigerant type. Using of refrigerant other than the specified typemay cause product damage, burst and injury etc.Do not install the unit in a potentially explosive or flammableatmosphere. Failure to do so could result in fire.Do not insert your fingers or other objects into the airconditioner indoor or outdoor unit, rotating parts maycause injury.Do not touch the outdoor unit during lightning, it may cause electricshock.Do not expose yourself directly to cold air for a long period to avoidexcess cooling.Do not sit or step on the unit, you may fall downaccidentally.Air InletAir InletAir OutletAir OutletAir OutletAir OutletAir InletAir InletOutdoorUnitPowerSupplyRemoteControlOPERATION CONDITIONOPERATION CONDITIONUse this air conditioner under the followingtemperature rangeTemperature(°F/°C)Indoor*DBT *WBTCOOLING Max. 89.6/32 73.4/23Min. 60.8/16 51.8/11HEATING Max. 86.0/30 -/-Min. 60.8/16 -/-Temperature(°F/°C)OutdoorCU-E9NKUA, CU-E12NKUA*DBT *WBTCOOLING Max. 114.8/46 78.8/26Min. 5.0/-15 -/-HEATING Max. 75.2/24 64.4/18Min. 5.0/-15 3.2/-16Temperature(°F/°C)OutdoorCU-2E18NBU, CU-5E36QBU*DBT *WBTCOOLING Max. 114.8/46 78.8/26Min. 14.0/-10 -/-HEATING Max. 75.2/24 64.4/18Min. 5.0/-15 3.2/-16* DBT: Dry bulb temperature* WBT: Wet bulb temperatureIndoor Unit