Carrier 50KC*A/B06 Series Installation Instructions Manual

31Use Fig. 47 and Table 7 to set the DIP switches for the de-sired use of the sensor.NOTE: When an S-Bus sensor is connected to an existing net-work, it will take 60 minutes for the network to recognize andauto-configure itself to use the new sensor.During the 60-minute setup period, no alarms for sensor fail-ures (except SAT) will be issued and no economizing func-tion will be available.CO2 Sensor WiringWhen using a CO 2 sensor the black and brown common wiresare internally connected and only one is connected to “IAQCOM” on the W7220. Use the power from the W7220 topower the CO2 sensor OR make sure the ground for the pow-er supplies are common. See Fig. 48 for CO 2 sensor wiring.Fig. 48 — CO2 Sensor WiringInterface OverviewThis section describes how to use the EconoMi$er ® user in-terface for:• Keypad and menu navigation• Settings and parameter changes• Menu structure and selectionUser InterfaceThe user interface consists of a 2-line LCD display and a 4-button keypad on the front of the economizer controller.KeypadUse the four navigation buttons (see Fig. 49) to scroll throughthe menus and menu items, select menu items, and to changeparameter and configuration settings.To use the keypad when working with menus:• Press the ▲ (Up arrow) button to move to the previousmenu.• Press the ▼ (Down arrow) button to move to the nextmenu.• Press the (Enter) button to display the first item inthe currently displayed menu.Fig. 49 — W7220 Controller Navigation ButtonsPress the (Menu Up/Exit) button to exit a menu’s itemand return to the list of menus. To use the keypad when work-ing with Setpoints, System and Advanced Settings, Checkouttests and Alarms:1. Navigate to the desired menu.2. Press the (Enter) button to display the first item inthe currently displayed menu.3. Use the ▲ and ▼ buttons to scroll to the desiredparameter.4. Press the (Enter) button to display the value of thecurrently displayed item.5. Press the ▲ button to increase (change) the displayedparameter value.6. Press the ▼ button to decrease (change) the displayedparameter value.NOTE: When values are displayed, pressing and holding the▲or ▼ button causes the display to automatically increment ordecrement.1. Press the (Enter) button to accept the displayed valueand store it in nonvolatile RAM. “CHANGE STORED”displays.2. Press the (Enter) button to return to the current menuparameter.3. Press the (Menu Up/Exit) button to return to the pre-vious menu.Menu StructureTable 8 illustrates the complete hierarchy of menus and pa-rameters for the EconoMi$er ® X system.The Menus in display order are:• STATUS• SETPOINTS• SYSTEM SETUP• ADVANCED SETUP• CHECKOUT• ALARMSTable 6 — HH57AC081 Sensor WiringTerminationsTERMINAL TYPE DESCRIPTIONNUMBER LABEL1 S-BUS S-BUSS-BUSCommunications(Enthalpy ControlSensor Bus)2 S-BUS S-BUSS-BUSCommunications(Enthalpy ControlSensor Bus)Table 7 — HH57AC081 Sensor DIP SwitchUSE DIP SWITCH POSITIONS FOR SWITCHES 1, 2, AND 31 2 3DA OFF ON OFFRA ON OFF OFFOA OFF OFF OFFCO 2 SENSOR24VANALOGOUTL1(HOT)L2REDBLACKYELLOWBROWNORANGEGREEN+–POWER SUPPLY. PROVIDE DISCONNECTMEANS AND OVERLOAD PROTECTIONAS REQUIRED.11