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Installation Instructions
EarthWise™ Purge
Model Number
PRGF
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.
August 2020
SAFETY WARNING
PRGF-SVN001B-EN
X39640653040
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Summary of Contents for Trane EarthWise Purge
- Page 1 Installation Instructions EarthWise™ Purge Model Number PRGF X39640653040 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.
- Page 2 (Global Harmonized System of Classification and compounds have the same potential impact to the Labeling of Chemicals) guidelines for information on environment. Trane advocates the responsible handling of allowable personal exposure levels, proper all refrigerants-including industry replacements for CFCs respiratory protection and handling instructions.
- Page 3 Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
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Page 4: Table Of Contents
Table of Contents Model Number Description Purge Tank Vapor Line ....17 ....5 Purge Liquid Return Line . -
Page 5: Model Number Description
Model Number Description All standard Trane products are identified by a multiple character model number that precisely identifies a particular type of unit. An explanation, of the alphanumeric identification codes used for Trane EarthWise™ purge units, is provided on this page. Its use will enable... -
Page 6: General Information
General Information Specifications Performance Specifications Electrical Power Requirements 115 Vac, 60 Hz, 1-Phase, 10.3 Amps 110 Vac, 50 Hz, 1-Phase, 10.3 Amps Note: Voltage range is +10%, -15% Fault Relay Output Rating 120 Vac, 1 Amp 34° F (1°C) to 110° F (43°C); 5% to 95% relative humidity, non- Operating Environment condensing -40°... -
Page 7: Earthwise™ Purge Conversion Package
1/2” NPS elbow chillers, whether electrically or pneumatically controlled. • 5/8” ODS ball valve Note: The EarthWise purge is not designed to be applied to air-cooled chillers. Conversion Package Inspection Conversion Package Contents Before installing the new purge, compare the data on the purge nameplate with the corresponding ordering and Each EarthWise purge conversion “kit”... - Page 8 General Information Figure 2. Purge mounting Figure 3. Human interface mounting (units ordered with human interface only) Figure 4. Filter drier assembly PRGF-SVN001B-EN...
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Page 9: Installation
Replacing an existing older model purge unit with the 6. Close the angle valve on the evaporator (if present) to EarthWise purge requires a number of wiring and isolate the purge tank liquid return line or carbon tank hardware changes. To insure that the EarthWise purge regeneration. -
Page 10: General
26 1/2” reference. (673.10 mm) General The EarthWise purge is designed to be adapted for use on low-pressure centrifugal water chillers. In order to insure proper purge unit operation, the pressure differential between the purge condensing tank and the chiller 24 1/4”... -
Page 11: Mounting Procedure
Filter drier canister mounting connections/ Purge human interface The EarthWise purge unit is mounted on an integral base as shipped. Mount the purge unit on the mounting brackets, using four (4) 1/4-20 thread-forming screws (brackets and screws provided in conversion kit). -
Page 12: Electrical Connections
Installation Electrical Connections Alternatively, a Chiller RUN Signal may be provided to 3A6, J2-2 with a 115 Vac source directly from the hour meter, start counter, or other device that is powered only when the chiller is on. The common terminal (3A6, J2-2) WARNING should be returned to the purge neutral, 3X1-8. - Page 13 Installation Figure 8. EarthWise™ purge field wiring See Figure 9 for a detailed view PRGF-SVN001B-EN...
- Page 14 Installation Figure 9. Detailed view of the EarthWise™ purge field wiring Figure 10. EarthWise™ purge connection diagram PRGF-SVN001B-EN...
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Page 15: Remote Fault Indication
5/8” ball valve provided in the optional conversion kit. The valve should be located as close to the condenser as possible. Model CVHE and later-vintage CVHB Trane chillers have 1/ 3/8” Exhaust Line to External Vent 2”... -
Page 16: Refrigerant Line Installation Procedure
Important: Be sure to follow all applicable codes when installing discharge vent line. When the EarthWise purge system is applied to a heat recovery unit or a unit with an auxiliary condenser, some additional considerations must be taken into account. -
Page 17: Purge Mounting Location
Purge Mounting Location Important: The liquid refrigerant separator is not typically needed when the EarthWise purge In the case of units with auxiliary or heat recovery is mounted on top of the chiller condenser condensers, the purge must be mounted above the liquid and its refrigerant is returned to the chiller level of the highest condenser. -
Page 18: Refrigerant Line Connections
Installation Refrigerant Line Connections Figure 16. Liquid separator mounting connections The EarthWise™ purge liquid separator requires three refrigerant connections: Slope Refrigerant Line Towards the 1. Vapor connection between the purge liquid separator Liquid Separator and the purge suction gas line. •... - Page 20 For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
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