Control Systems58IIII Centralized control systems3. OnOff controller4) Optional function5) Connection diagramMCM-A202DNIndoor unit operationOperation mode selection switchIndoor unit 1 Indoor unit 2 Indoor unit 3tCooling mode set $PPMJOHPQFSBUJPOJOMBTUDPPMJOHTFUUFNQFSBUVSF GBOTQFFEBOEGBOEJSFDUJPOtHeating mode set )FBUJOHPQFSBUJPOJOMBTUIFBUJOHTFUUFNQFSBUVSF GBOTQFFEBOEGBOEJSFDUJPOtAuto mode set *OEPPSVOJUTLFFQUIFJSDVSSFOUPQFSBUJPONPEF TFUUFNQFSBUVSF GBOTQFFEBOEGBOEJSFDUJPOÚ0QFSBUJPONPEFTFMFDUJPOTXJUDIEPFTOhUMPDLUIFJOEPPSVOJUPQFSBUJPONPEF*UJTNBJOMZVTFEUPTFUJOEPPSVOJUPQFSBUJPONPEFUP$PPMJOH )FBUJOHPS"VUPF1 F2 F1 F2R1 R2 F1 F2 F1 F2 F1 F2F1 F2 F1 F2R1 R2 F1 F2 F1 F2 F1 F2Set layerSet layert8IFO0O0GGDPOUSPMMFSPOMZDPOUSPMTJOEPPSVOJUTPGPVUEPPSVOJU UIFOJUDBOCFDPOOFDUFEUP''MJOFPGPVUEPPSVOJUPSJOEPPSVOJUtMax. 16 Controllers can be connected to same communication line.7Connectable controller: - OnOff controller (MCM-A202DN)- Touch centralized controller (MCM-A300N)Set layer connection (F1/F2)