LG PQDSBC Owner's Manual - Page 5

Name of each part Name of each part (Front case) (Top) (Rear case) 8 9 7 CHANGE OVER_SW CN_OUT NOT USB VOLT e NON VOLT 3 5 6 TEMP SETTING 1 11 10 2 4 (Internal PCB board) (Side) (Side) DRY CONTACT FOR COMMUNICATION (DRY_CONTACT FOR COMMUNICATION) 1. CN_INDOOR : Connect communication wire between indoor unit and Dry contact for communication and supply power to Dry contact for communication 2. CN_PI485 : PI485 connector 3. CHANGE_OVER_SW : Switch to select voltage (5V-12V) of contact point 4. CN_CONTROL : Contact point signal input 5. CONTROL_MODE_SW : Switch to select the control mode 6. SETTING_SW : Switch to select whether to use set function of Dry contact for communication 7. TEMP_SETTING : Switch to set the desired temperature of the indoor unit 8. CN_OUT (O1, O2) : Connector to show whether the indoor unit is operating 9. CN_OUT (E3, E4) : Connector to show whether there is an error with the indoor unit 10. DISPLAY_LED : LED to display the status of the Dry contact for communication 11. RESET_SW : Reset switch Owner's & installation manual 5