Carrier 48GC04 Service And Maintenance Instructions

36SYSTEMVU CONTROL SYSTEMThe SystemVu™ control is a comprehensive unit-managementsystem. The control system is easy to access, configure, diag-nose and troubleshoot.The SystemVu control system is fully communicating andcable-ready for connection to the Carrier Comfort Network ®(CCN), Carrier i-Vu ®, and Third Party BACnet 1 building man-agement systems. The control provides high-speed communi-cations for remote monitoring via the Internet. Multiple unitscan be linked together (and to other Direct Digital Control(DDC) equipped units) using a 3-wire communication bus.The SystemVu control system is easy to access through the useof a integrated display module. A computer is not required forstart-up. Access to control menus is simplified by the ability toquickly select from 7 main menu items. An expanded readoutprovides detailed explanations of control information. Only sixbuttons are required to maneuver through the entire controlsmenu. The display readout is designed to be visible even inbright sunlight. See Fig. 59.SystemVu InterfaceThis integrated device is the keypad interface used to accessthe control information, read sensor values, and test the unit.The interface is located in the main control box.Through the SystemVu interface, the user can access all of theinputs and outputs to check on their values and status, config-ure operating parameters, and evaluate the current decision sta-tus for operating modes. The control also includes an alarmhistory which can be accessed from the display. The user canaccess a built-in test routine that can be used at start-up com-missioning and troubleshooting.Additional SystemVu Installation and Trouble-shootingAdditional installation, wiring and troubleshooting informationfor the SystemVu Controller can be found in the followingmanual: “48/50FC 04-07, 48/50GC 04-06 Single PackageRooftop Units with SystemVu™ Controls Version 1.X Con-trols, Start-up, Operation and Troubleshooting.”Fig. 59 — SystemVu Control1. BACnet is a registered trademark of ASHRAE (American Society ofHeating, Refrigerating and Air-Conditioning Engineers).J1J2J3A J3B J3C J3D J3E J4 J5 J6 J7 J8 J9J10TB5J11J12J13J14TB4J15J16J17J20J18TB3TB2TB1