22AAIn order to set the indoor unit option code using the wired remote controller, hold down the andbuttons at the same time for 5 seconds.Setting the indoor unit option code1 The menu will display .Press the button to enter the indoor unit option codemode.2 Press the button to change the page. You can change thepage from 0 to 3.3 Press the buttons and the button to set the optioncode in order.4 Press the button to save the changed setting.You will move to the menu selection display.Page No.Option code• Option code will not be applied if you don’t press the button.• Setting indoor unit option code is only possible in Master wired remote controller.You can only check the indoor unit option code in Slave wired remote controller.• Setting indoor unit option code is possible when one indoor unit is connected. If more than 2 indoorunits are connected, you can only check the Master indoor unit option code.• The first digit represents the page number and the remaining fivedigits are option codes.• The option code which is currently setting will flicker.• Press the button anytime during setup to exit without setting. Setting the option code with wireless remocon is availble if receiver kit is installed. Please use the proper wirelessremocon such as MR-DH00 which set 24 digit option code. Following is the instruction of setting option code with wiredremocon(WMR-WH02).