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Trane CGWF User Manual

Trane CGWF
100 pages
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© 2003 American Standard Inc. All rights reserved. CGWF-SVX01A-EN
Installation
Operation
Maintenance
Scroll Liquid Chillers
Models CGWF/CCAF
20-60 Tons
January 2004

Table of Contents

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Trane CGWF Specifications

General IconGeneral
BrandTrane
ModelCGWF
CategoryChiller
LanguageEnglish

Summary

Installation, Operation, Maintenance

Scroll Liquid Chillers

Overview of Scroll Liquid Chillers, models CGWF/CCAF, 20-60 Tons.

General Information

Unit Identification and Nameplates

Details on identifying unit data, nameplate locations and information.

Unit Inspection and Handling

Procedures for inspecting unit for shipping damage and handling loose parts.

Installation Overview

Summary of installation responsibilities and process.

Installation Mechanical

Unit Storage and Location Requirements

Guidelines for unit storage, location, and noise considerations.

Lifting Procedures

Detailed instructions for safely lifting and moving the unit.

Alternate Moving and Access

Methods for moving units and access restriction information.

Unit Isolation and Clearances

Information on unit isolation, sound/vibration dampening, and clearances.

Water Piping and Flow Rates

Recommendations for unit piping, water flow, and pressure drop.

Evaporator Water Piping and Connections

Details on evaporator water connections, components, and pressure limits.

Condenser Water Piping and Components

Information on condenser water connections, components, and drains.

Refrigerant Handling Cautions

Safety warnings regarding refrigerant loss and high pressure gas.

Water Treatment and Relief Valves

Guidance on water treatment, relief valves, and low-temperature operation.

Refrigerant and Liquid Line Sizing

Guidelines for refrigerant piping, liquid line, and discharge line sizing.

Leak Test and System Evacuation

Procedures for leak testing and evacuating the refrigerant system.

Installation Electrical

General Electrical Recommendations and Safety

General electrical guidelines, safety warnings, and conductor usage.

Power Supply Wiring and Grounding

Instructions for unit power supply wiring, grounds, and disconnects.

Compressor Electrical Phasing and Correction

Procedures for checking and correcting compressor electrical phasing.

Unit Voltage and Imbalance

Requirements for unit voltage supply and phase imbalance tolerances.

Control Input and Output Functions

Details on flow switches, pump controls, and programmable relays.

Programmable Relays and External Control

Information on programmable relays and external control options.

External Setpoint and Ice Machine Control

Setup for external setpoints and ice machine control options.

Communication Interface Options

Details on Tracer and LonTalk communication interfaces.

Fan Control Strategies

Explanation of CCAF fan control and outdoor air temperature control.

Controls Interface

CH530 Communications Overview and Interface Types

Overview of the CH530 system, DynaView, and TechView interfaces.

DynaView Interface and Key Functions

Description of DynaView display, navigation, and key functions.

Screen Navigation and Basic Format

Details on screen navigation, file folder tabs, and basic screen layout.

Keypad/Display Lockout Feature

Information on securing the keypad and display with a password.

Main Screens Overview

Description of the Main screen dashboard and its items.

Diagnostics Screen and TechView Interface

Accessing diagnostics and using the TechView service tool.

Software Download and Installation

Instructions for downloading and installing TechView software.

Diagnostics

Diagnostic Table Overview

Explanation of diagnostic codes, names, severity, persistence, criteria, and reset level.

Unit Start-up

Pre-Start Checklist and Safety Warnings

Checklist for pre-start procedures and safety precautions.

Pre-Start Check List Details

Detailed steps for receiving, location, unit, electrical, and piping checks.

Unit Power Up Sequence and Condition Checks

Power up sequence, checking operating conditions and pressures.

System Superheat and Subcooling Measurement

Procedures for measuring system superheat and subcooling.

Unit Shutdown

Normal Unit Shutdown Procedure

Steps for a normal unit shutdown sequence.

Extended Shutdown and Restart Procedures

Procedures for extended shutdown and system restart.

Unit Maintenance

Maintenance Schedule and Procedures

Guidelines for periodic, weekly, monthly, and annual maintenance.

Condenser and Evaporator Cleaning Methods

Methods for mechanical and chemical cleaning of condenser and evaporator.

Water Treatment and Evaporator Cautions

Cautions regarding evaporator cleaning and proper water treatment.

Wiring Schematics

Schematics and Diagram Index

Index of field connection, electrical schematics, and connection diagrams.

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