Johnson Controls YORK YLAA0180SE - User Manual

Installation, Comissioning, Operation
and Maintenance
YLAA0180SE-YLAA0485SE & YLAA0195HE-YLAA0516HE
Supercedes: 150.72-ICOM8.EN.CE (0912) Form 150.72-ICOM8.EN.CE (0713)
AIR COOLED LIQUID CHILLERS
WITH SCROLL COMPRESSORS
STYLE B
(Cooling Capacities: 187 kW to 520 kW)
R410A
035-23574-100

Johnson Controls YORK YLAA0180SE Specifications

General

Brand	Johnson Controls
Model	YORK YLAA0180SE
Category	Air Compressor
Language	English

Summary

General Chiller Information and Safety

Introduction

Overview of unit purpose and manual guidance.

Warranty Information

Details Johnson Controls' warranty terms and conditions.

Safety Standards and Compliance

Lists standards and directives the chillers comply with.

Refrigerant Safety Data

Information on fluorinated greenhouse gases and handling.

User Responsibility for Safety

Outlines operator responsibilities for safe unit operation.

Unit Specification Details

Compressor Specifications

Details the type, design, and features of the scroll compressors.

Refrigerant Circuit Design

Describes the two independent refrigerant circuits and their components.

Brazed Plate Evaporator Features

Explains the compact, high-efficiency brazed plate heat exchanger.

Air Cooled Condenser Design

Details the all-aluminium condenser coils and fan design.

Power and Control Panel Components

Describes the contents of the IP 55 rated power and control cabinets.

Microprocessor Control System

Explains control functions, setpoints, displayed data, and system safeties.

Available Accessories and Options

Lists key optional accessories for enhanced performance and features.

Unit Guards and Protection

Details louvred panels, wire guards, and hail guards for protection.

Refrigerant Flow Diagram

Illustrates the path of refrigerant through the unit system.

Vibration Isolation Options

Describes neoprene pads and spring isolators for vibration damping.

Component Location Diagrams

Provides visual aids for locating key unit components.

Hydrokit Component Details

Details the layout and parts of the hydrokit system.

Unit Nomenclature Explained

Explains the meaning of each part of the unit model number.

Transportation, Handling, and Storage

Unit Delivery and Storage Procedures

Guidelines for receiving and storing the unit before installation.

Pre-Installation Inspection

Steps for inspecting the unit for damage upon arrival.

Safe Unit Moving Techniques

Instructions for safely moving the unit using lifting points.

Typical Lifting Arrangement Diagram

Visual guide for the correct method of lifting the unit.

Lifting Weights and Distribution

Refers to technical data for unit weights and distribution.

Unit Installation Guidelines

Site Location Requirements

Essential criteria for selecting the installation site for optimal performance.

Indoor vs. Outdoor Installation

Specific considerations for installing the unit indoors or outdoors.

Low Ambient Condition Operation

Guidance for operating the unit in low ambient temperatures.

High Static Fan Ductwork

Recommendations for connecting ductwork to high static fans.

Required Location Clearances

Specifies clearances needed for airflow, maintenance, and safety.

Vibration Isolator Installation

Information on installing optional vibration isolators.

Location Clearances SE;SELS Models

Provides specific clearance dimensions for SE and SELS models.

Location Clearances HE;HELS Models

Provides specific clearance dimensions for HE and HELS models.

Pipework Connection Recommendations

Essential guidelines for connecting unit pipework to ensure proper function.

Pipework Arrangement Guidelines

Suggested pipework layouts for single and multiple unit installations.

Chilled Liquid System Piping

Diagram and legend for typical chilled liquid system connections.

Standard Hydrokit Chilled System

Illustrates the chilled liquid system with a standard hydrokit.

Full Feature Hydrokit Chilled System

Illustrates the chilled liquid system with a full feature hydrokit.

Pipe Connection Types and Sizes

Details standard pipework connection types and sizes.

Heat Recovery System Diagram

Shows the schematic for the heat recovery system.

Closed Loop Heat Recovery System

Details the closed loop heat recovery system with a secondary heat exchanger.

Water Treatment Requirements

Specifies water quality and pH for optimal heat exchanger performance.

Refrigerant Relief Valve Piping

Guidance on proper sizing and installation of relief valve piping.

Electrical Connection Safety

Critical safety instructions for electrical connections to prevent hazards.

Single Point Power Supply Wiring

Instructions for connecting the main 3-phase power supply.

Control Wiring and Components

Details for control circuit transformer, emergency stop, and voltage-free contacts.

System Control Wiring Inputs

Covers flow switch, remote start/stop, load limiting, and communication inputs.

Advanced Control Options

Information on fan speed inhibit, EMS analogue input, and communication protocols.

Customer Control Connection Diagram

Illustrates the wiring diagram for customer controls.

Unit Commissioning Procedures

Initial Preparation and Checks

Pre-commissioning checks with power off, including inspection, refrigerant, and valve status.

Switch Settings and Heater Checks

Ensures correct switch settings and crankcase heater operation.

Water System and Flow Switch Verification

Confirms correct water system installation and flow switch wiring.

Control Panel and Setpoint Configuration

Verifies programmed options, settings, date/time, and setpoints.

Compressor Operation Verification

Steps to check compressor rotation and initial operation.

First Time Start-Up Sequence

Detailed steps for initial unit start-up and system checks.

System Performance Checks

Procedures for checking system operation, superheat, expansion valve, and subcooling.

Unit Operation and Control

General Unit Operation Overview

Describes how the unit monitors and controls chilled liquid system temperatures.

Unit Start-Up Procedure

Step-by-step guide to safely start the unit and its systems.

Normal Running and Cycling

Explains how the unit operates automatically during normal running.

Unit Shutdown Procedures

Safe methods for stopping the unit, including pump-down.

Routine Maintenance Schedule

General Maintenance Requirements

Emphasizes regular maintenance for continuous operation and warranty.

Daily Maintenance Checks

Daily operational checks for the user to perform.

Scheduled Maintenance Intervals

Outlines minor and major service schedules and recommended intervals.

Evaporator In-Service Inspection

Specific inspection points for the evaporator.

Troubleshooting Common Issues

Panel Display and Unit Operation Faults

Guides on resolving issues like no display or unit not operating.

Flow Switch and Ambient Temperature Faults

Troubleshooting steps for flow switch open and low ambient temperature faults.

Liquid Temperature and Voltage Faults

Addresses faults related to low liquid temperature and undervoltage.

Pressure and Compressor Faults

Troubleshooting high discharge pressure, low suction pressure, and compressor faults.

Cooling Performance and Battery Issues

Guidance on diagnosing lack of cooling effect and low battery warnings.

Sensor Calibration Charts

Provides calibration data for temperature sensors and pressure transducers.

Technical Data and Specifications

Evaporator Pressure Drop Graph

Graph showing evaporator pressure drop versus flow rate.

Operating Limitations - SE Models

Defines the operational limits for SE model chillers.

Operating Limitations - HE Models

Defines the operational limits for HE model chillers.

Fan Power Consumption Data

Details fan power (kW, FLA, LRA) for different operating modes.

Physical Data - SE Models

Lists physical dimensions, weights, and capacities for SE models.

Physical Data - HE Models

Lists physical dimensions, weights, and capacities for HE models.

Electrical Data - SE Models

Provides electrical specifications including current and start-up amps for SE models.

Electrical Data - HE Models

Provides electrical specifications including current and start-up amps for HE models.

Unit Dimensions (YLAA0180 SE to 0220 HE)

Drawings showing the physical dimensions of specific YLAA models.

Unit Dimensions (YLAA0240 SE to 0260 HE)

Drawings showing the physical dimensions of specific YLAA models.

Unit Dimensions (YLAA0360 SE to 0300 HE)

Drawings showing the physical dimensions of specific YLAA models.

Unit Dimensions (YLAA0435 SE to 0390 HE)

Drawings showing the physical dimensions of specific YLAA models.

Unit Dimensions (YLAA0441 HE)

Drawings showing the physical dimensions of the YLAA0441HE model.

Unit Dimensions (YLAA0456 HE)

Drawings showing the physical dimensions of the YLAA0456HE model.

Unit Dimensions (YLAA00516 HE)

Drawings showing the physical dimensions of the YLAA00516HE model.

Isolator Location Diagrams

Diagrams illustrating the placement of vibration isolators on base frames.

Neoprene Vibration Isolator Data

Specifications and part numbers for neoprene vibration isolators.

Spring Vibration Isolator Data

Specifications and part numbers for 25mm deflection spring isolators.

Spare Parts and Accessories

Recommended Spare Parts

Information on ordering spare parts and contact details.

Compressor Oil Recommendations

Specifies the correct type of oil for compressor lubrication.

Associated Wiring Diagrams

Lists relevant wiring diagram document numbers.

Decommissioning and Disposal

General Decommissioning Procedures

Steps for safely isolating and disconnecting the unit.

Refrigerant and Oil Disposal

Guidelines for safe removal and disposal of refrigerant and oil.