Contents1. Safety Precautions ..................................................12. Parts List .................................................................23. External Dimensions ...............................................34. Product Features.....................................................41. Specification......................................................42. Parts names and functions ...............................45. System Diagram......................................................61. Standard configuration (using the AG-150A tocontrol a system with 50 or fewer units ofequipments) ..................................................62. System with connection to an Expansioncontroller (system with 50 or more units) ......86. Installation .............................................................101. Field-supplied Parts ........................................102. Installation.......................................................107. Wiring ....................................................................211. System without connection to a PAC-YG50ECAExpansion controller .....................................212. System with connection to a PAC-YG50ECAExpansion controller ...................................228. Initial Setting..........................................................239. Test Run................................................................2410. System Configuration Example.............................251. System with connection to a PAC-YG50ECAExpansion controller ...................................252. Using multiple system controllers ...................253. To control a Mr. Slim.......................................254. To control a K control model ...........................2511. External input/output usage ..................................261. External signal input function ..........................262. External signal output function........................2712. LAN connection function .......................................2813. Optional Accessories ............................................29Centralized ControllerAG-150AAG-150A-A Installation ManualBefore installing the controller, please read this Installation Manual carefully to ensureproper operation. Retain this manual for future reference.Air-conditioner Control System