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York YR User Manual

York YR
110 pages
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OPERATING & MAINTENANCE
ROTARY SCREW LIQUID CHILLERS
Supersedes: Form 160.81-O1 (311)
Form 160.81-O1 (1020)
MODEL YR (STYLE A, B, & C)
WITH OPTIVIEW
CONTROL CENTER
FOR ELECTRO-MECHANICAL STARTER &
SOLID STATE STARTER
00562VIP
Issue Date
October 5, 2020

Table of Contents

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York YR Specifications

General IconGeneral
BrandYork
ModelYR
CategoryIndustrial Equipment
LanguageEnglish

Summary

General Safety Guidelines

Safety Symbols

Explains hazard symbols used in the manual for safe operation and identification.

Document Information and Maintenance

Document Changeability

Details on how the document content may change without notice for product improvement.

Revision Notes

Records technical information and other changes made to the document.

Associated Literature

Lists related forms and documents for further system information.

Conditioned Based Maintenance

Describes a proactive maintenance program leveraging real-time data for optimal operation.

System Description and Fundamentals

System Operation Description

Explains the YORK Model YR Chiller's components and refrigeration cycle.

Capacity Control

Details how the chiller manages output via slide valve for load conditions.

Chiller Operation Overview

Covers chiller start-up sequences, shutdowns, and service technician procedures.

OptiView™ Control Center Features

Control Center Introduction and Navigation

Overview of the control system, interface conventions, access levels, and navigation.

Core Chiller Screens

Details on Home, System, Evaporator, Condenser, and Compressor screens.

Specialty Screens and Controls

Covers Sensitivity, Hot Gas Bypass, Oil Separator, Starter, and Ground Fault screens.

Configuration and Setpoint Management

Screens for managing setpoints, system setup, schedules, users, and communications.

Data Logging and Reporting

Features for viewing history, security logs, trending data, and custom views.

Display Messages and Safety Shutdowns

Status and Routine Shutdowns

Describes chiller status, startup sequences, and routine shutdown causes.

Warning and Start Inhibit Messages

Alerts for conditions like clock failure, pressure limits, and startup prevention.

Safety Shutdown Faults

Details critical faults for Evaporator, Condenser, Oil, and Motor systems.

Printer Operations and Metric Conversion

Printer Reports and Types

Lists available print reports and compatible printer models (Okidata, Weigh-Tronix, Seiko).

Printer Connections and Setup

Details physical connections and configuration settings for printers.

SI Metric Conversion

Provides factors for converting English units to SI Metric values, including temperature.

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