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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• Press QUIT to leave the selected decision or field with- out saving any changes. • Press ENTER to leave the selected decision or field and save changes. • Press NEXT to scroll the cursor bar down in order to highlight a point or to view more points below the cur- rent screen. • Press PREVIOUS to scroll the cursor bar up in order to highlight a point or to view points above the current screen. • Press SELECT to view the next screen level (high- lighted with the cursor bar), or to override (if allowable) the highlighted point value. • Press EXIT to return to the previous screen level. • Press INCREASE or DECREASE to change the high- lighted point value. TO VIEW STATUS (Fig. 16) — The status table shows the actual value of overall chiller status such as CONTROL MODE, RUN STATUS, AUTO CHILLED WATER RESET, and REMOTE RESET SENSOR. 1. On the menu screen, press STATUS to view the list of point status tables. 2. Press NEXT or PREVIOUS to highlight the desired status table. The list of tables is: •MAINSTAT — Overall chiller status •STARTUP — Status required to perform start-up of chiller •COMPRESS — Status of sensors related to the compressor •HEAT_EX — Status of sensors related to the heat exchangers •POWER — Status of motor input power •ISM_STAT — Status of motor starter •CVC_PSWD — Service menu password forcing access screen 3. Press SELECT to view the desired point status table. 4. On the point status table, press NEXT or PREVIOUS until the desired point is displayed on the screen. 19XR_II MAINSTAT Control Mode Run Status Start Inhibit Timer Occupied? System Alert/Alarm Chiller Start/Stop Remote Start Contact Temperature Reset Control Point Chilled Water Temp Active Demand Limit Average Line Current POINT STATUS OFF Ready 0.0 Min NO NORMAL STOP Open 0.0 F 44.0 F 44.6 F 100% 0.0% Fig. 16 — Example of Status Screen OVERRIDE OPERATIONS To Override a Value or Status 1. From any point status screen, press NEXT or PREVIOUS to highlight the desired value. 2. Press SELECT to select the highlighted value. Then: 16

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

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