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York YR TB TB T0 User Manual

York YR TB TB T0
76 pages
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00562VIP
R-134a
MODELS
YR TB TB T0 THROUGH YR VD VD T1
YR TB TB T0 THROUGH YR XD XD T3
INCLUDING
FIELD RE-ASSEMBLY FOR FORM 2, 3, 7 AND 8 SHIPMENT
(STYLE A AND B)
ROTARY SCREW LIQUID CHILLERS
INSTALLATION, OPERATION, MAINTENANCE Supersedes: 160.81-NOM1 (212)
Form 160.81-NOM1 (1020)
Issue Date:
October 3, 2020

Table of Contents

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York YR TB TB T0 Specifications

General IconGeneral
BrandYork
ModelYR TB TB T0
CategoryChiller
LanguageEnglish

Summary

IMPORTANT! READ BEFORE PROCEEDING!

GENERAL SAFETY GUIDELINES

General safety guidelines for installation, operation, and maintenance.

SAFETY SYMBOLS

Explanation of safety symbols used in the document.

DOCUMENT CHANGE AND LITERATURE

CHANGEABILITY OF THIS DOCUMENT

Information regarding document updates and changes.

REVISION NOTES

Lists revisions made to the document.

ASSOCIATED LITERATURE

Lists related manuals and their form numbers.

CONDITIONED BASED MAINTENANCE

CONDITIONED BASED MAINTENANCE

Describes the CBM service plan for chiller maintenance.

NOMENCLATURE

MODEL SCREW CHILLER

Explains the model number nomenclature for chiller characteristics.

SECTION 1 - INSTALLATION

GENERAL INSTALLATION GUIDELINES

Introduction, restrictions, and construction drawing usage for chiller installation.

SECTION 1 - INSTALLATION

UNIT INSPECTION, LOCATION, FOUNDATION, AND RIGGING

Procedures for unit inspection, site selection, foundation, and rigging.

SECTION 1 - INSTALLATION

UNIT WEIGHTS AND DIMENSIONS

Tables detailing unit weights and overall dimensions.

SECTION 1 - INSTALLATION

ISOLATOR PAD INSTALLATION AND LEVELING

Procedure for positioning, installing, and leveling isolator pads.

SECTION 1 - INSTALLATION

OPTIONAL SPRING ISOLATOR INSTALLATION

Instructions for installing optional spring isolator assemblies for the unit.

SECTION 1 - INSTALLATION

SHIPPING FORMS AND REASSEMBLY

Details shipping configurations and procedures for reassembling disassembled chillers.

SECTION 1 - INSTALLATION

RE-ASSEMBLY PROCEDURES

Step-by-step procedures for assembling units shipped disassembled.

SECTION 1 - INSTALLATION

FORM 7 SHIPMENT ASSEMBLY

Procedure for assembling units shipped in Form 7 configuration.

SECTION 1 - INSTALLATION

FORM 8 SHIPMENT ASSEMBLY

Procedure for assembling units shipped in Form 8 configuration.

SECTION 1 - INSTALLATION

VACUUM DEHYDRATION PROCEDURE

Procedure for evacuating and dehydrating the chiller system.

SECTION 1 - INSTALLATION

PIPING CONNECTIONS AND WATER SYSTEMS

Guidelines for piping connections, alignment, and water systems.

SECTION 1 - INSTALLATION

REFRIGERANT RELIEF PIPING

Requirements for installing refrigerant relief vent piping to the atmosphere.

SECTION 1 - INSTALLATION

UNIT WIRING (PIPING, CONTROL, POWER)

Details on factory-installed piping and field wiring for unit control and power.

SECTION 1 - INSTALLATION

COMPONENT INSULATION AND START-UP REQUEST

Guidelines for insulation and the procedure for requesting start-up service.

INSTALLATION CHECKLIST

CHECKLIST ITEMS FOR CHILLER, PIPING, AND ELECTRICAL

Checklist items for chiller, water piping, refrigerant relief piping, and electrical wiring.

CONTRACTOR RESPONSIBILITIES AND CHECKLIST USE

TESTING, EVACUATION, CHARGING, AND CONDITIONS CHECKLIST

Checklist items for testing, evacuation, charging, and site conditions.

SECTION 2 – CHILLER COMMISSIONING

PRE-STARTUP CHECKLIST AND CONTROL CENTER INFORMATION

Checklist for startup readiness and reference to control center manuals.

SECTION 2 – CHILLER COMMISSIONING

CHILLER START-UP, OPERATION CHECKS, AND LOG SHEETS

Procedures for chiller startup, operational checks, and importance of log sheets.

SECTION 2 – CHILLER COMMISSIONING

LEAK CHECK, PERSONNEL INSTRUCTIONS, AND MAINTENANCE REVIEW

Leak checking, operating personnel instructions, and maintenance review.

SECTION 3 – OPERATION

CHILLER COMPONENTS AND BASIC DESCRIPTION

Overview of the chiller package, its components, and basic operational principles.

SECTION 3 – OPERATION

VARIABLE ORIFICE, OIL SYSTEM, AND FILTERS

Function of variable orifice, oil system description, and oil filter details.

SECTION 3 – OPERATION

OIL EDUCTOR CIRCUIT FUNCTION

Explanation of the oil eductor circuit for managing oil in the refrigerant.

SECTION 3 – OPERATION

LIQUID REFRIGERANT CIRCUIT AND CAPACITY CONTROL

Path of refrigerant and how capacity control is achieved.

SECTION 3 – OPERATION

MAINTENANCE NEEDS AND SAFETY SHUTDOWNS

Identifying maintenance needs and understanding safety shutdown causes.

SECTION 3 – OPERATION

SYSTEM STOPPING AND PROLONGED SHUTDOWN PROCEDURES

Procedures for stopping the system and for prolonged shutdowns.

SECTION 4 – OPERATING INSPECTIONS

INSPECTION SCHEDULES AND TASKS

Lists daily, weekly, quarterly, semi-annual, and annual operating inspection tasks.

SECTION 5 – MAINTENANCE

GENERAL MAINTENANCE REQUIREMENTS AND SCHEDULES

Overview of maintenance requirements and schedules for YR Chillers.

SECTION 5 – MAINTENANCE

COMPRESSOR OIL MANAGEMENT AND LEVEL CHECK

Procedures for checking, changing, analyzing oil, and checking oil levels.

SECTION 5 – MAINTENANCE

OIL CHARGING, TEMPERATURE CONTROL, AND FILTER REPLACEMENT

Procedures for oil charging, temperature control, and oil filter replacement.

SECTION 5 – MAINTENANCE

OIL FILTER AND FILTER DRIER REPLACEMENT

Detailed procedures for replacing oil filters and filter driers.

SECTION 5 – MAINTENANCE

REFRIGERANT CHARGE, LEAK CHECKING, AND PRESSURE CONNECTIONS

Procedures for refrigerant charge, leak checking, and pressure connections.

SECTION 5 – MAINTENANCE

CONDENSER/EVAPORATOR SHELL MAINTENANCE AND TUBE CLEANING

Maintaining shells, water treatment, and tube cleaning procedures.

SECTION 5 – MAINTENANCE

CONDENSER MECHANICAL CLEANING AND EVAPORATOR TUBES

Mechanical cleaning of condensers and information on evaporator tubes.

SECTION 5 – MAINTENANCE

MOTOR TESTING AND SYSTEM LEAK CHECKING

Procedures for testing motor insulation and checking system for leaks.

SECTION 5 – MAINTENANCE

UNIT EVACUATION, DEHYDRATION, AND REFRIGERANT CHARGE CHECK

Procedures for evacuating, dehydrating, and checking refrigerant charge.

SECTION 5 – MAINTENANCE

REFRIGERANT HANDLING, TUBE FOULING, AND LEAK TESTING

Handling refrigerant, identifying tube fouling, and leak testing procedures.

SECTION 5 – MAINTENANCE

COMPRESSOR, VIBRATION ANALYSIS, AND ELECTRICAL CONTROLS

Compressor checks, vibration analysis, and electrical controls inspection.

SECTION 5 – MAINTENANCE

COMPRESSOR, PRESSURE TESTING, WATER SYSTEMS, AND OIL RETURN MAINTENANCE

Maintenance for compressor, testing, water systems, and oil return.

SECTION 6 – TROUBLESHOOTING

GENERAL TROUBLESHOOTING APPROACH AND COMPRESSOR/OIL SYSTEM ISSUES

General approach to diagnosis and troubleshooting compressor/oil system problems.

SECTION 6 – TROUBLESHOOTING

PRESSURE/TEMPERATURE CONVERSION TABLES

Tables for converting pressure and temperature values for R-134a.

SECTION 6 – TROUBLESHOOTING

TEMPERATURE CONVERSION TABLES

Tables for converting temperatures between Celsius and Fahrenheit.

SECTION 6 – TROUBLESHOOTING

SI METRIC CONVERSION FACTORS

Factors for converting English units to common SI Metric values.

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