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Daikin UAA150-ST3M User Manual

Daikin UAA150-ST3M
45 pages
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INSTALLATION &
MAINTENANCE
MANUAL
AIR-COOLED CHILLER
(SINGLE SCREW COMPRESSOR)
UAA-ST3M
IM-UAA -0620(2)-DAIKIN
Part Number: C08019039757B
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Daikin UAA150-ST3M Specifications

General IconGeneral
BrandDaikin
ModelUAA150-ST3M
CategoryChiller
LanguageEnglish

Summary

Safety Warnings and Cautions

General Installation and Operation Warning

Emphasizes clarity of instructions for safe installation and operation.

Electrical Shock Hazard and Grounding Warning

Highlights electric shock risks and the need for proper grounding and qualified personnel.

Static Sensitive Components Handling Caution

Warns about static discharge damaging electronic components and advises grounding before service.

Introduction to UAA Chillers

General Installation and Maintenance Importance

Stresses the importance of careful installation, operation, and maintenance for safety and reliability.

Chiller Application and Manual Disclaimer

Covers manual's purpose for safe installation and includes a disclaimer on warranty and liability.

UAA Chiller Model Nomenclature

Safety Guidelines for UAA Chillers

Safe Transportation of UAA Chillers

Details safety precautions for transporting the equipment, including stability and avoiding impacts.

UAA Chiller Lifting Procedures and Safety

Emphasizes performing lifts according to manual instructions and using experienced personnel for safety.

Safe UAA Chiller Installation Practices

Installation Location and Space Requirements

Recommends installation by experienced personnel in safe locations, complying with clearance requirements.

Installation Cautions and Important Notes

Covers manual compliance, specific operating conditions, strainer use, and freezing protection.

UAA Chiller Electrical Installation Safety

Electrical Installation Cautions and Compliance

Stresses compliance with laws, use of qualified personnel, and referring to wiring diagrams for electrical work.

Electrical Wiring Best Practices

Advises using copper conductors, separating control and power wires, and symmetric phase wire layout.

Compressor Rotation Direction and Phasing

Explains the importance of correct phasing for single-direction rotation compressors to prevent damage.

Major Components Location (Single System)

Major Components Location (Dual System)

Working Principle and Technical Data

UAA Chiller Working Principle Diagram

Illustrates the schematic diagram of the UAA chiller's refrigeration cycle and its operation.

UAA Chiller Operating Envelope

UAA Chiller Physical and Technical Data

Handling Procedures for UAA Chillers

Transportation and Receiving Inspection

Covers precautions for transport, inspection upon receipt, and reporting of any damage.

Safe Lifting Procedures for UAA Chillers

Details proper lifting methods, use of spreader bars, and limits on tilt angle to prevent damage and accidents.

UAA Chiller Hanging Point Specifications

UAA Chiller Hanging Method Illustrations

Dual System UAA Chiller Hanging Methods

UAA Chiller Installation Guide

Installation and Foundation Requirements

Guides on selecting a robust, level foundation and considering outdoor installation factors like snow.

Required Installation Space

Specifies clearance needs for efficient heat exchange and maintenance access, with considerations for snowfall.

Unit Clearance for Maintenance

UAA Chiller Installation Clearance Dimensions

Chiller Dimensions and Load Distribution

Spring Isolator Position (Single System)

Details spring isolator distances and models for single-system UAA chillers (UAA105-UAA220).

Dual System Dimensions and Load Distribution

Spring Isolator Distances (Dual System)

Lists spring isolator distances and base lengths for dual-system UAA chillers (UAA245-UAA450).

Dual System Spring Isolator Models

Isolator Installation Procedure

Unit Center of Gravity and Weight Data

UAA Chiller Piping Requirements

Recommended Water System Diagram

Illustrates the recommended water system layout for a single chiller unit.

Recommended Water System Design Principles

Lists essential components and design principles for an effective chilled water system.

Mandatory Water System Components and Design

Water System Configuration and Quality

Calculating Minimum Water Volume

Provides a formula to calculate the minimum required water volume for the system.

Setting Chiller Outlet Water Temperature

Explains how to set the chiller's outlet water temperature and when to contact Daikin.

Water System Cleaning Procedure

Advises on cleaning the water system before connecting the chiller to prevent evaporator damage.

Importance of Water Quality

Highlights the impact of water quality on chiller performance and lifespan, recommending analysis.

Daikin Recommended Water Quality Standards

UAA Chiller Electrical Installation

Main Power Cable Requirements

Specifies that all wiring must comply with local codes and the national electrical code.

Electrical Notes and Data Tables

Field Wiring Connections Guide

Terminal Block and Signal Wiring Diagrams

Illustrates field wiring connections to the M3 terminal block for various signals and outputs.

Field Wiring Signal and Connection Details

UAA Chiller Maintenance Schedule

Daily Maintenance Procedures

Covers daily maintenance tasks including refrigerant cycle and electrical system checks.

Refrigerant Cycle Maintenance Checks

Describes maintenance for the refrigerant cycle, including logging operating conditions and checking charge.

Electrical System Maintenance Checks

Covers electrical system maintenance, including checking contacts, connections, and protection controls.

Refrigerant Handling and Management

Refrigerant Charging Procedure

Provides instructions for charging refrigerant, including pre-charging steps and handling procedures.

Routine Cleaning and Maintenance

Outlines routine maintenance for dirty systems, including filter cleaning and condenser coil maintenance.

Specific Component Maintenance Procedures

Relief Valve, Pump Down, and Pressure Testing

Details procedures for relief valve replacement, pump down, and pressure testing.

Leak Testing and Vacuum Process

Explains leak testing before charging and the vacuum process requirement for new refrigerant.

Long Idle Period Maintenance

Unit Maintenance and Inspection Checklist

Unit Maintenance Intervals and Replacement Standards

Inspection Record Template for Key Components

Daily Inspection Record Template

UAA Chiller Service Procedures

General Maintenance Schedule and Approach

Explains that maintenance starts with the chiller start-up, followed by inspections and periodical maintenance.

End-of-Life Disposal and Refrigerant Recovery

Provides guidance on environmentally responsible disposal of chiller components and refrigerant recovery.

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