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Explains the meaning of symbols used to alert readers to specific situations and hazards.
Lists related documents and their form numbers for further reference.
Explains the nomenclature for the YD Dual Compressor Chiller model.
Provides a high-level overview of chiller control, components, and programmable setpoints.
Details the sequence and conditions for starting compressors, including lead/lag selection and VGD operation.
Explains how refrigerant level is controlled during lag compressor startup to prevent evaporator starvation.
Describes the feature to prevent a specific compressor from running, typically for service.
Details the procedures for soft and fault shutdowns of compressors, including vane and valve operation.
Overview of the OptiView Control Center, its interface, and general operating principles.
Lists valid display ranges for analog input values in both English and Metric units.
Covers essential screens like Home, System, Evaporator, Condenser, and Refrigerant Level Control.
Details Main Compressor, Compressor 1, Compressor 2, VGD, and Surge Protection screens.
Covers Proximity Probe, Pre-Rotation Vanes, and VGD calibration procedures.
Includes Capacity Cycling, Oil Sump, Oil Pump, Motor Lubrication, and Starter screens.
Covers History, Security Log, Custom View, Trend screens for data analysis and monitoring.
Includes Setup, Schedule, User, Comms, Printer, Sales Order, and Operations screens.
Explains various messages and status indicators displayed by the control center.
Describes how to connect a printer and the types of reports that can be generated.
Lists compatible printers, their interface requirements, and connection details.
Guides on configuring printers, Control Center, and downloading system prints to a laptop.
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General
