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Controls Microprocessor controls Microprocessor controls provide the safety, interlock, ca- pacity control, and indications necessary to operate the chiller in a safe and efficient manner. Control system The microprocessor control on each Carrier centrifugal system is factory mounted, wired, and tested to ensure ma- chine protection and efficient capacity control. In addition, the program logic ensures proper starting, stopping, and recycling of the chiller and provides a communication link to the Carrier Comfort Network (CCN). Features Control system Component Test and Diagnostic Check Programmable Recycle Allows Chiller to Recycle at Optimum Loads for Decreased Operating Costs Menu-Driven Keypad Interface for Status Display, Set Point Control, and System Configuration CCN Compatible Primary and Secondary Status Messages Individual Start/Stop Schedules for Local and CCN Operation Modes Recall of Up to 25 Alarm/Alert Messages with Diagnostic Help Two Chiller Lead/Lag with Third Chiller Standby is Standard in the PIC II Software Optional Soft Stop Unloading Closes Guide Vanes to Unload the Motor to the Configured Amperage Level Prior to Stopping Languages Pre-programmed at Factory for English, Chinese, Japanese, Korean (ICVC only) ILT (for use with ICVC only) — International Language Translator Available for Conversion of Extended ASCII Characters Safety cutouts Bearing Oil High Temperature* Motor High Temperature*† Refrigerant (Condenser) High Pressure*† Refrigerant (Cooler) Low Temperature*† Lube Oil Low Pressure Compressor (Refrigerant) Discharge Temperature* Under Voltage** Over Voltage** Oil Pump Motor Overload Motor Overload† Motor Acceleration Time Intermittent Power Loss Compressor Starter Faults Compressor Surge Protection* Low Level Ground Fault Low Voltage — phase to phase and phase to ground Medium Voltage — phase to ground Cooler Freeze Protection Capacity control Leaving Chilled Water Control Entering Chilled Water Control Ice Build Control Soft Loading Control by Temperature or Load Ramping Guide Vane Actuator Module Hot Gas Bypass Valve Power (Demand) Limiter Auto. Chilled Water Reset Interlocks Manual/Automatic Remote Start Starting/Stopping Sequence Pre-Lube/Post-Lube Pre-Flow/Post-Flow Compressor Starter Run Interlock Pre-Start Check of Safeties and Alerts Low Chilled Water (Load) Recycle Monitor/Number Compressor Starts and Run Hours Manual Reset of Safeties Indications Chiller Operating Status Message Power-On Pre-Start Diagnostic Check Compressor Motor Amps Pre-Alarm Alert†† Alarm Contact for Remote Alarm Safety Shutdown Messages Elapsed Time (Hours of Operation) Chiller Input kW *These can be configured by user to provide alert indica- tion at user-defined limit. †Override protection: Causes compressor to first unload and then, if necessary, shut down. **Will not require manual reset or cause an alarm if auto- restart after power failure is enabled. ††By display code only. 18PDF Image | Carrier Product Data 19XR,XRV High-Efficiency Hermetic Centrifugal Liquid Chiller 50/60 Hz HFC-134a 19XR — 200 to 1500 Nominal Tons (703 to 5275 kW) 19XRV — 200 to 800 Nominal Tons (703 to 2813 kW)
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Carrier Product Data 19XR,XRV High-Efficiency Hermetic Centrifugal Liquid Chiller 50/60 Hz HFC-134a 19XR — 200 to 1500 Nominal Tons (703 to 5275 kW) 19XRV — 200 to 800 Nominal Tons (703 to 2813 kW)Original File Name Searched:
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