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YORK YMC² Model B Centrifugal Liquid Chillers

Operations and Maintenance Manual

Introduction

This document provides essential information for the operation and maintenance of the YORK YMC² Model B Centrifugal Liquid Chillers, featuring the advanced OptiView™ Control Center. Designed for efficient and reliable performance, these chillers are a product of Johnson Controls' commitment to innovation in HVAC technology.

The manual covers critical aspects including system fundamentals, detailed operating procedures, navigation and functions of the OptiView™ Control Center, variable speed drive (VSD) operation, comprehensive maintenance guidelines, and troubleshooting procedures. It is intended for use by qualified operating and service personnel.

Key Features

  • Advanced OptiView™ Control Center for intuitive operation and monitoring.
  • High-efficiency centrifugal compressor with magnetic bearings.
  • Variable Speed Drive (VSD) for optimized performance and energy savings.
  • Robust construction with quality heat exchangers (evaporator and condenser).
  • Designed for R-134a refrigerant.

Resources

For additional technical documentation, including wiring diagrams and replacement parts information, please refer to the associated literature listed within this manual or visit the Johnson Controls QuickLIT website: cgproducts.johnsoncontrols.com.

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