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Trane EarthWise Purge User Manual

Trane EarthWise Purge
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EarthWise™ Purge
Installation Instructions
August 2020
PRGF-SVN001B-EN
Model Number
PRGF
SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of
heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are
attached to the equipment.
X39640653040
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Trane EarthWise Purge Specifications

General IconGeneral
BrandTrane
ModelEarthWise Purge
CategoryIndustrial Equipment
LanguageEnglish

Summary

Installation Instructions

Safety Warning

Crucial safety advisory regarding qualified personnel and hazards.

Introduction

Warnings, Cautions, and Notices

Definitions and explanation of safety advisories used throughout the manual.

Environmental Concerns

Discussion on refrigerants affecting the ozone layer and responsible handling.

Refrigerant Handling Practices

Emphasizes technician certification and compliance with refrigerant handling laws.

Field Wiring and Grounding

Warning about hazards and requirements for qualified personnel performing field wiring.

Personal Protective Equipment (PPE)

Mandates the use of proper PPE to protect against electrical, mechanical, and chemical hazards.

EHS Policy Compliance

Adherence to company environmental, health, and safety policies for hazardous work.

Document Information

Information on document ownership, usage restrictions, and referenced trademarks.

Revision History

List of changes and updates made to the document across different versions.

Model Number Description

Model Number Breakdown

Detailed breakdown of alphanumeric codes identifying unit type, components, and options.

General Information

Specifications Summary

Lists electrical, environmental, mounting, and physical specifications for the purge unit.

Hazardous Service Procedures

Critical safety warning about potential injury from improper service procedures.

Purge Nameplate Details

Guidance on locating and using information from the unit's nameplate for inquiries.

EarthWise™ Purge Conversion Package

Package Contents

Details of items included in the EarthWise purge conversion kit.

Field Provided Items

List of components the installer must provide for the conversion package.

Optional Purge Valve Kit

Information on an optional kit and its compatible refrigerant parts.

Package Inspection

Steps for verifying the correct package was shipped and inspecting for damage.

Installation

Removing Old Purge Unit

Procedures for disconnecting and removing the existing purge system from the chiller.

Purge Removal Procedure

Detailed steps for removing the unit, including electrical, water, and refrigerant connections.

Heavy Objects Safety

Warning about using proper lifting equipment and potential for injury or damage.

EarthWise™™ Purge Installation

Instructions for installing the new EarthWise purge, including wiring and hardware changes.

General Purge Operation

Overview of EarthWise purge design for low-pressure centrifugal chillers.

Purge Mounting Location

Guidelines for positioning the purge assembly above the chiller condenser liquid level.

Equipment Damage Warning

Caution regarding R-11 refrigerant configuration with DynaView to prevent damage.

Mounting Procedure

Steps for mounting the purge assembly to the chiller condenser using brackets.

Human Interface Configuration

How to manually set the refrigerant type via the DynaView human interface.

Thermal Well Probe Installation

Instructions for inserting the temperature probe into the thermal well with thermal grease.

Electrical Connections

Requirements for connecting power and the chiller RUN signal to the purge unit.

Power Wiring

Details on connecting the 115 Vac main hot line and power supply terminations.

Chiller RUN Signal

How to supply the 115 Vac chiller run signal to the unit for operation.

Remote Human Interface

Guidelines for remotely mounting and wiring the DynaView human interface.

Remote Fault Indication

Connecting to module 3A3 to remotely enunciate fault conditions.

Purge Vapor Line Construction

Guidelines for vapor line construction, pitch, slope, and bends for proper drainage.

Carbon Regeneration Line

Connecting the carbon regeneration line to the evaporator and maintaining slope.

Liquid Return Line

Achieving proper liquid refrigerant return by matching condenser and return line pressures.

Refrigerant Line Installation

Recommended steps for making refrigerant line connections to the condenser.

Auxiliary Condenser Considerations

Special considerations for applying the purge to heat recovery or auxiliary condenser units.

Auxiliary Unit Mounting and Connections

Mounting requirements and line connections for purge units with auxiliary/heat recovery condensers.

Optional Liquid Refrigerant Separator

Installing the separator below the chiller condenser liquid level for alternative mounting.

Maintenance

Separator Refrigerant Connections

Connecting the purge liquid separator to suction gas line and sight glass.

Routine Maintenance Checks

Checking the moisture sight glass and changing the filter drier as needed.

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