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19XR,XRV Hermetic Centrifugal Liquid Chillers 50/60 Hz With PIC II Controls and HFC-134a

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19XR,XRV Hermetic Centrifugal Liquid Chillers 50/60 Hz With PIC II Controls and HFC-134a ( 19xrxrv-hermetic-centrifugal-liquid-chillers-50-60-hz-with-p )

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EXAMPLE 8 — CVC_PSWD DISPLAY SCREEN To access this display from the CVC default screen: 1. Press MENU . 2. Press STATUS . 3. Scroll down to highlight CVC_PSWD . 4. Press SELECT . DESCRIPTION Disable Service Password **Remote Reset Option Reset Alarm ? CCN Mode ? POINT PSWD_DIS RESETOPT REMRESET REM_CCN Table 2 — CVC Display Data (cont) STATUS UNITS 0-1 0-1 0-1 0-1 DSABLE/ENABLE DSABLE/ENABLE NO/YES NO/YES NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation. Those shown with (**) shall support write operations for the CVC only. EXAMPLE 9 — SETPOINT DISPLAY SCREEN To access this display from the CVC default screen: 1. Press MENU . 2. Press SETPOINT . 3. Press SELECT . DESCRIPTION Base Demand Limit Control Point ECW Setpoint LCW Setpoint Ice Build Setpoint Tower Fan High Setpoint NOTE: All variables are available for CCN read operation; forcing shall not be supported on setpoint screens. EXAMPLE 10 — CAPACITY DISPLAY SCREEN To access this display from the CVC default screen: 1. Press MENU . 2. Press SERVICE . 3. Scroll down to highlight CONTROL ALGORITHM STATUS . 4. Press SELECT . 5. Scroll down to highlight CAPACITY . 6. Press SELECT . DESCRIPTION Entering Chilled Water Leaving Chilled Water Capacity Control Control Point Control Point Error ECW Delta T ECW Reset LCW Reset Total Error + Resets Guide Vane Delta Target Guide Vane Pos Actual Guide Vane Pos Target VFD Speed Actual VFD Speed VFD Gain Demand Limit Inhibit Amps/kW Ramp VFD Load Factor DEFAULT 100 60.0 50.0 40.0 75 STATUS UNITS POINT 40-100 15-120 10-120 15-60 55-105 % DEG F DEG F DEG F DEG F DLM ecw_sp lcw_sp ice_sp tf2_sp STATUS UNITS –40-245 –40-245 10-120 –99-99 –99-99 –99-99 –99-99 –99-99 –2-2 0-100 0-100 0-100 0-100 0.1-1.5 0-100 0-100 0-200 DEG F DEG F DEG F ^F ^F ^F ^F ^F % % % % % % % POINT ECW LCW ctrlpt cperr ecwdt ecwres lcwres error gvd GV_TRG GV_ACT VFD_IN VFD_ACT vfd_gain DEM_INH DMD_RAMP VFD_LF NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation; forcing shall not be supported on maintenance screen. 26

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19XR,XRV Hermetic Centrifugal Liquid Chillers 50/60 Hz With PIC II Controls and HFC-134a

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