York MILLENNIUM YS BA BA S0 User Manual

INSTALLATION, OPERATION, MAINT.
MILLENNIUM
®
ROTARY SCREW LIQUID CHILLERS
Supersedes: Nothing
Form 160.47-NOM3 (599)
MODELS
YS BA BA S0 THRU YS FC FB S5
STYLE D
m
Metric Conversions
®
M
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N
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P
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Y
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G
W
I
T
H
A
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I
S
T
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D
A
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D
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5
0
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•
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29039A(R)
R-22 and R-134a

York MILLENNIUM YS BA BA S0 Specifications

General

Brand	York
Model	MILLENNIUM YS BA BA S0
Category	Chiller
Language	English

Summary

Section 1: Installation Overview

Rigging and Handling

Unit Rigging Procedures

Instructions for safely lifting and rigging the unit, including warnings.

Piping Connections and Alignment

Checking Piping Alignment

Verifying correct alignment of piping to prevent strain and ensure proper function.

Water Piping Checks and Relief Piping

Refrigerant Relief Piping Installation

Requirements for installing refrigerant relief vent piping to the exterior.

Electrical and Unit Piping

Power Wiring for Electro-Mechanical Starters

Power supply and connection details for electro-mechanical starters.

Electrical Starters, Insulation, and Start-Up

Installation Check and Start-Up Service Request

Process for requesting authorized start-up service and completing the check list.

Section 2: Operation Overview

Component Functions

Detailed description of the driveline, compressor, oil separator, condenser, and evaporator.

Chiller Operation Details

Oil System Overview

Introduction to the oil system, referencing schematic diagrams for details.

Oil System Monitoring and Control

Oil Pressure Transducer Location and Safety

Oil Eductor Circuit Operation

Oil Eductor Circuit Details

Refrigerant Flow and Control

Capacity Control Mechanism

How Capacity Control Works

Explains how differential pressure moves the slide valve to match system requirements.

Section 3: Maintenance Requirements

Compressor Oil Management

Information on approved compressor oils, quantities, and changing procedures.

Oil Level, Filter, and Dryer Maintenance

Oil Filter Service

Filter Drier, Motor, and Refrigerant Charge

Filter Drier Replacement Procedure

Determining Correct Refrigerant Charge

Methods for verifying the correct refrigerant charge level using approach and superheat.

Condenser and Evaporator Tube Cleaning

Condenser Water Side Tube Cleaning

Procedures for cleaning condenser tubes using chemical or mechanical methods.

Vibration Analysis

Vibration Analysis for Damage Detection

Using vibration analysis as a diagnostic tool for machinery health.

Spectral Alarm Bands for Chillers

Defining spectral alarm bands for vibration analysis on York YS chillers.