Carrier 19XR User Manual

Also see for AquaEdge 19XRV series: Start-up, operation and maintenance instructions Start-up and service instructions Installation instructions Start-up, operation and maintenance instructions Start-up and service instructions

Contents

217. Press to register the values and to move hori-zontally (left to right) within a period.8. Press to leave the period or override.9. Either return to Step 4 to select another period or over-ride, or press again to leave the current timeschedule screen and save the changes.10. The Holiday Designation (HOLIDEF table) may befound in the Service Operation section, page 45. Themonth, day, and duration for the holiday must beassigned. The Broadcast function in the BRODEFtable also must be enabled for holiday periods tofunction.TO VIEW AND CHANGE SET POINTS (Fig. 20)1. To view the SETPOINT table, from the MENU screenpress .2. There are 5 set points on this screen: BASE DEMANDLIMIT, LCW SETPOINT (leaving chilled water setpoint), ECW SETPOINT (entering chilled water setpoint), ICE BUILD SETPOINT, and TOWER FANHIGH SETPOINT. Only one of the chilled water setpoints can be active at one time. The set point that isactive is determined from the SERVICE menu. See theService Operation section, page 45. The ice build (ICEBUILD) function is also activated and configured fromthe SERVICE menu.3. Press or to highlight the desiredset point entry.4. Press to modify the highlighted set point.5. Press or to change the select-ed set point value.6. Press to save the changes and return to the pre-vious screen.SERVICE OPERATION — To view the menu-driven pro-grams available for Service Operation, see Service Operationsection, page 45. For examples of CVC/ICVC display screens,see Table 2.ENTEREXITEXITSETPOINTNEXT PREVIOUSSELECTINCREASE DECREASEENTER19XR_II SETPOINT SELECTSETPOINTBase Demand LimitControl PointLCW SetpointECW SetpointICE BUILD SetpointTower Fan High Setpoint100%50.0 F60.0 F40.0 F85.0 FFig. 20 — Example of Set Point Screen