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IMPORTANT: The following notes apply to all Table 2 examples. 1. Only 12 lines of information appear on the CVC screen at any one time. Press the NEXT or PREVIOUS softkey to highlight a point or to view items below or above the current screen. Press the NEXT softkey twice to page forward; press the PREVIOUS softkey twice to page back. 2. To access the information shown in Examples 10 through 22, enter your 4-digit password after pressing the SERVICE soft- key. If no softkeys are pressed for 15 minutes, the CVC automat- ically logs off (to prevent unrestricted access to PIC II controls) and reverts to the default screen. If this happens, you must re- enter your password to access the tables shown in Examples 10 through 22. 3. Terms in the Description column of these tables are listed as they appear on the CVC screen. 4. The CVC may be configured in English or Metric (SI) units using the CVC CONFIGURATION screen. See the Service Operation section, page 45, for instructions on making this change. 5. TheitemsintheReferencePointNamecolumndonotappearon the CVC screen. They are data or variable names used in CCN or Building Supervisor (BS) software. They are listed in these tables as a convenience to the operator if it is necessary to cross reference CCN/BS documentation or use CCN/BS programs. For more information, see the 19XR CCN literature. 6. Reference Point Names shown in these tables in all capital let- ters can be read by CCN and BS software. Of these capitalized names, those preceded by a dagger can also be changed (that is, written to) by the CCN, BS, and the CVC. Capitalized Refer- ence Point Names preceded by two asterisks can be changed only from the CVC. Reference Point Names in lower case type can be viewed by CCN or BS only by viewing the whole table. 7. Alarms and Alerts: An asterisk in the far right field of a CVC status screen indicates that the chiller is in an alarm state; an exclamation point in the far right field of the CVC screen indi- cates an alert state. The asterisk (or exclamation point) indicates that the value on that line has exceeded (or is approaching) a limit. For more information on alarms and alerts, see the Alarms and Alerts section, page 15. Table 2 — CVC Display Data EXAMPLE 1 — CVC DEFAULT SCREEN The following data is displayed in the CVC Default screen. CCN — CHW — CHWR — CHWS — CVC — CT — ECW — HGBP — ISM — LCW — LRA — mA — P — PIC II — SS — T — VFD — WSM — LEGEND Carrier Comfort Network Chilled Water Chilled Water Return Chilled Water Supply Chiller Visual Controller Current Transformer Entering Chilled Water Hot Gas Bypass Integrated Starter Module Leaving Chilled Water Locked Rotor Amps Milliamps Pressure Product Integrated Controls II Solid State Temperature Variable Frequency Drive Water System Manager STATUS UNITS REFERENCE POINT NAME (ALARM HISTORY) 0-500000.0 –40-245 –40-245 –40-245 –40-245 –40-245 –40-245 0-420 40-245 0-999 0-1 0-1 0-1 HOURS DEG F DEG F DEG F DEG F DEG F DEG F PSI DEG F % C_HRS ECW LCW ERT ECDW LCDW CRT OILPD OILT AMPS_% CCN LOCAL RESET DESCRIPTION (PRIMARY MESSAGE) (SECONDARY MESSAGE) (DATE AND TIME) Compressor Ontime Entering Chilled Water Leaving Chilled Water Evaporator Temperature Entering Condenser Water Leaving Condenser Water Condenser Temperature Oil Pressure Oil Sump Temp Average Line Current DISPLAY CHW IN CHW OUT EVAP REF CDW IN CDW OUT COND REF OILPRESS OIL TEMP AMPS % NOTE: The last three entries are used to indicate operating mode to the PIC II. These values may be forced by the CVC only. 22PDF Image | 19XR,XRV Hermetic Centrifugal Liquid Chillers 50/60 Hz With PIC II Controls and HFC-134a
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