E-21Indoor Unit Setting1 Before installing the indoor unit, assign an address to the indoor unitaccording to the air conditioning system plan.2 The address of the indoor unit is assigned by adjusting MAIN(SW01, SW02) andRMC(SW03, SW04) rotary switches. The designs and shape are subject to change according to the model.Setting Main Address The MAIN address is for communication between the indoor unit and theoutdoor unit. Therefore, you must set it to operate the air conditionerproperly. You can set the MAIN address from ‘00’ to ‘99’ by mixing SW01 and SW02.The MAIN address from ‘00’ to ‘99’ should differ from each other. Check the indoor unit address on the plan that you are to install and setthe address according to the plan.You may not need to set main address if you selected AutoAddress Setting from the outdoor unit: see details on theoutdoor unit installation manual.NoteWhen MAIN address is set as "12".For ExampleSetting RMC Address The SW03, SW04 RMC switch is the address setting switch for controllingthe indoor unit with the centralized controller. You must set the SW03, SW04 and K2 switch when using the centralizedcontroller.When RMC address is set as "12".For ExampleSW03 SW04SW01 SW02SW03SW05 SW06 SW07SW04Cover PCBAVXWV@@_IM_E_29819-1_4.14.09.indd 21 2009-4-14 10:15:50