EasyManua.ls Logo

York YLAA0081 User Manual

York YLAA0081
206 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
YLAA0041 – YLAA0230
Air-Cooled Scroll Chillers
With Brazed Plate Heat Exchanger
Style B (60 HZ) 4–12 Fan
40 ton to 230 ton
140 kW to 800 kW
R-410A
Issue Date:
August 3, 2022
Air-Cooled Scroll Chiller
Installation, Operation,
Maintenance
Supersedes: 150.72-ICOM6 (221) Form 150.72-ICOM6 (822)
Products are produced at a
f aci lit y who s e qua l it y -
management systems are
ISO9001 certified.
035-23572-100

Table of Contents

Other manuals for York YLAA0081

Question and Answer IconNeed help?

Do you have a question about the York YLAA0081 and is the answer not in the manual?

York YLAA0081 Specifications

General IconGeneral
BrandYork
ModelYLAA0081
CategoryChiller
LanguageEnglish

Summary

SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY

SAFETY AND QUALITY

Details chiller design compliance with industry standards and quality certifications.

Electrical Safety

Crucial safety measures for servicing and maintenance of electrical components.

SECTION 2 – PRODUCT DESCRIPTION

SECTION 5 – TECHNICAL DATA

PHYSICAL DATA

Detailed table of unit physical specifications including dimensions and weights.

ELECTRICAL DATA

Specifications for power supply, voltage ranges, and protection devices.

WIRING DIAGRAMS

Schematics illustrating electrical connections for various components.

SECTION 6 – COMMISSIONING

Refrigerant Charge

Detailed steps for checking and charging the refrigerant system.

COMMISSIONING THE PUMP VFD

Procedure for setting up the Variable Frequency Drive for the pump.

Programming the Drive

Instructions for accessing and programming drive parameters.

A. STARTUP

Comprehensive checklist of tasks required for unit startup.

A. CHECKING SUPERHEAT AND SUBCOOLING

Procedures for verifying refrigerant charge by checking superheat and subcooling.

SECTION 7 – UNIT CONTROLS

STATUS KEY

How to use the status key to determine current chiller operating conditions.

Fault Safety Status Messages

Categories and explanations of system and unit safety faults.

Resetting System Lockout Faults

Procedure to manually reset system lockout faults.

BACNET, MODBUS, N2, AND YORKTALK 2 COMMUNICATIONS

Configuration details for serial communication protocols.

SECTION 8 – UNIT OPERATION

CAPACITY CONTROL

How the unit regulates cooling capacity through compressor staging.

LEAVING CHILLED LIQUID CONTROL

How the unit maintains the setpoint for leaving chilled liquid temperature.

LOAD LIMITING

Feature to limit unit loading based on the number of compressors.

REMOTE BAS/EMS TEMPERATURE RESET USING A VOLTAGE OR CURRENT SIGNAL

Using external signals for remote adjustment of chilled liquid setpoint.

SECTION 9 – SERVICE AND TROUBLESHOOTING

RESETTING SYSTEM LOCKOUT FAULTS

Procedure to manually reset system lockout faults after a shutdown.

CHECKING INPUTS AND OUTPUTS

Procedures for checking digital and analog inputs and outputs.

Related product manuals