installing your air conditioner _27ENGLISHIndoor Unit Setting1. Before installing the indoor unit, assign an address to theindoor unit according to the air conditioning system plan.2. The address of the indoor unit is assigned by adjustingMAIN(SW01, SW02) and RMC(SW03, SW04) rotary switches.K1K2K3K4SW01 SW02 SW03 SW04K5K6K7K8 K9K10K11K12Additional FunctionsK1K2K3K4No. Function ON OFFSW05K1 External room sensor Not use UseK2 Centralized controller Not use UseK3 RPM upSlim 1way/2way/mini 4way N/A N/A4way Normal UpK4 Option drain pump N/A N/Ah N/A : Not Availableh K1 OFFHeating mode : Setting temperature compensation value = 0°CThermo OFF Fan OFFK9K10K11K12No. Function ON OFFSW07K9 Min. EEV step at heating Fix 80 step 0 or 80 stepK10Priority of indoor unitdisplay on wired remotecontrollerSlave MasterK11 External control Not Use UseK12 Operation output Thermo ON Operation ONh N/A : Not AvailableK5K6K7K8No. Function ON OFFSW06K5 Heatingthermo-offSlim 1way/2way +2°C +5°Cmini 4way/4way +5°C +2°CK6 Filter signal display 1000hours 2000hoursK7 Hot water coil N/A N/AK8 Electrical heater N/A N/Ah N/A : Not Availableg The designs and shape are subject to change accordingto the model.Setting MAIN Address The MAIN address is for communication between theindoor unit and the outdoor unit. Therefore, you mustset it to operate the air conditioner properly. You can set the MAIN address from ‘00’ to ‘99’ by mixingSW01 and SW02.The MAIN address from ‘00’ to ‘99’ should differ fromeach other. Check the indoor unit address on the plan that you areto install and set the address according to the plan.You may not need to set MAIN address if youselected Auto Address Setting from the outdoorunit: see details on the outdoor unit installationmanual.NoteWhen MAIN address is set as “12”.For ExampleSetting RMC Address You must set the SW03, SW04 and K2 switch when usingthe centralized controller.When RMC address is set as “12”.For ExampleSW03 SW04