1. On/Off Temp Holiday Select Fan Air clean Operation Auto SwingRoom Temp Week Select SET/CLR Hour MIN Timer Program Set Fan Speed Jet Cool Cancel RESET E_Heater Main PCB #1 Main PCB #2 Main PCB #16 Group Control Wiring Diagram Wired Remote Controller 1. Remove “R02K(12KΩ)”on the Main PCB (Solder side) --See next page 2.Make resister OP7 open on the PCB in Wired Remote Controller 3. Disconnect the wire of remote controller in indoor unit 1 4. Set up the terminal block 5. Connect the wire of remote controller with terminal, and assemble the housing between main pcb and terminal 6. Connect indoor unit 1& unit 2 with Lead wire(double insulated) 7. Another indoor units(3~16) are also connected like above method Terminal Block(Local supply) Housing Indoor Unit 1 Indoor Unit 2Indoor Unit 16 Lead wire Wire of remote controller Components 1.Terminal Block,Housing,Lead wire : Local Sourcing 2.But if you want Terminal block and Housing, LG Can provide these optionally. Cassette/Duct Wiring method RED Yellow (Signal) Brown(GND)

2. Remove “R02K(12KΩ)” on the Main PCB (Solder side) Slide s/w for two thermister Slide s/w for Ceiling height Micom chip OP7 Micom chip IC02M R02K Main PCB Board Remote Control Board

3. OP7 Old Version Slide Switch (2002.5.30)