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Installation Instructions
Power Exhaust Kit – Standard and
Low Leak Economizers
Precedent™ Packaged Rooftop Units
3 to 25 Tons
Note: See
"Wiring Installation – FIAPWRX*01/02*" on page 9
Model Numbers:
Used With:
FIAPWRX301*
Precedent A cabinet (Digit 39 = A), 230V (Digit 7 = 3)
FIAPWRX302*
Precedent B and C cabinet (Digit 39 = B, C), 230V (Digit 7 = 3)
FIAPWRX303*
Precedent D cabinet (Digit 39 = D), 230V (Digit 7 = 3)
FIAPWRX401*
Precedent A cabinet (Digit 39 = A), 460V (Digit 7 = 4)
FIAPWRX402*
Precedent B and C cabinet (Digit 39 = B, C), 460V (Digit 7 = 4)
FIAPWRX403*
Precedent D cabinet (Digit 39 = D), 460V (Digit 7 = 4)
FIAPWRXW01*
Precedent A cabinet (Digit 39 = A), 575V (Digit 7 = W)
FIAPWRXW02*
Precedent B and C cabinet (Digit 39 = B, C), 575V (Digit 7 = W)
FIAPWRXW03*
Precedent D cabinet (Digit 39 = D), 575V (Digit 7 = W)
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 2024
for economizer actuator note.
SAFETY WARNING
ACC-SVN236D-EN
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Summary of Contents for Trane Precedent FIAPWRX301 Series
- Page 1 Installation Instructions Power Exhaust Kit – Standard and Low Leak Economizers Precedent™ Packaged Rooftop Units 3 to 25 Tons Note: See “Wiring Installation – FIAPWRX*01/02*” on page 9 for economizer actuator note. Model Numbers: Used With: FIAPWRX301* Precedent A cabinet (Digit 39 = A), 230V (Digit 7 = 3) FIAPWRX302* Precedent B and C cabinet (Digit 39 = B, C), 230V (Digit 7 = 3) FIAPWRX303*...
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Page 2: Warnings, Cautions, And Notices
When working with or around hazardous chemicals, these compounds have the same potential impact to the ALWAYS refer to the appropriate SDS and OSHA/GHS environment. Trane advocates the responsible handling of all (Global Harmonized System of Classification and refrigerants. Labeling of Chemicals) guidelines for information on... -
Page 3: Revision History
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. -
Page 4: Table Of Contents
Table of Contents General Information ..... . . 5 Inspection ......5 Parts List . -
Page 5: General Information
General Information Carefully review installation instructions. Power exhaust is designed for downflow applications . If the installation is for horizontal duct connections, the power exhaust may be mounted on the horizontal return duct. An economizer or motorized damper must be installed and functional before attempting to install the power exhaust. -
Page 6: Installation - Fiapwrx*01/02
Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. For variable frequency drives Install Edge or other energy storing components provided by Trane Protector or others, refer to the appropriate manufacturer’s Power Exhaust Hood literature for allowable waiting periods for discharge of capacitors. - Page 7 Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized. For variable frequency drives or other energy storing components provided by Trane Top View or others, refer to the appropriate manufacturer’s Economizer literature for allowable waiting periods for discharge of capacitors.
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Page 8: Low Leak Economizer
Installation – FIAPWRX*01/02* Low Leak Economizer 8. Verify wire harness is clear of gears, doors, and any sharp edges of metal. 9. Route the wires for the power exhaust to the return control Figure 7. Low leak install box location at the return portion of the unit. Refer to Figure Figure 9. -
Page 9: Wiring Installation - Fiapwrx*01/02
Wiring Installation – FIAPWRX*01/02* NOTICE WARNING Wire Damage! Proper Field Wiring and Grounding Required! Failure to follow instructions below could result in damaged wires. Failure to follow code could result in death or serious Use provided wire ties to make sure wires are secured injury. -
Page 10: Symbio™ Controls Wiring
Failure to disconnect power and discharge capacitors inadvertently energized. For variable frequency drives before servicing could result in death or serious injury. or other energy storing components provided by Trane Disconnect all electric power, including remote or others, refer to the appropriate manufacturer’s... -
Page 11: Installation - Fiapwrx*03
Installation – FIAPWRX*03* Parts List Figure 11. Major power exhaust components Table 2. Parts list WARNING Hazardous Service Procedures! Item Description Power Exhaust Assembly Failure to follow instructions could result in death or serious injury. The procedures recommended in this Internal Block-off, Right section of the manual could result in exposure to Internal Block-off, Center... -
Page 12: Internal Block-Off Gasket Seals
Installation – FIAPWRX*03* Internal Block-off Gasket Seals Comparative Enthalpy Install The following are two types of economizers: 1. Install humidity and temperature sensors as required. See Figure 1. Standard economizer: Attach one gasket (9) to the base, aligned with the economizer return air damper (RAD) Figure 14. -
Page 13: Power Exhaust Assembly
Installation – FIAPWRX*03* Power Exhaust Assembly 2. Attach internal block-off (4, 5 and 7) using six screws. Figure 16. Block-off assembly 1. Remove center screw at bottom of rear panel duct opening. 2. Attach gasket (11) to unit back panel. Start gasket below the return horizontal duct opening, centered on the opening and aligned with the flange at the base rail. - Page 14 Installation – FIAPWRX*03* 4. Set power exhaust housing adjacent to return duct Figure 22. Attach power exhaust to side of unit opening. 5. Uncoil wires and route through grommet in internal block-off. (Feed terminals through bushing one at a time). The following are two types of economizers: 6.
- Page 15 Installation – FIAPWRX*03* Figure 24. Route wires along standard economizer support bracket 11. Low leak economizer: Route two power and two control wires down the top center block-off panel and secure wires with the four pop-in wire ties that will already be installed across the bottom of the return air damper.
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Page 16: Wiring Installation - Fiapwrx*03
Wiring Installation – FIAPWRX*03* Figure 26. Power connection to return control box - all WARNING units Hazardous Voltage with Capacitors! Failure to follow instructions below could result in death or serious injury. Disconnect all electric power, including remote disconnects and wait for DC capacitors to discharge before servicing. - Page 17 Wiring Installation – FIAPWRX*03* Figure 27. Control wiring diagram POWER WIRING (XFM-ORG) (XFM-RED) (XFM-BRN) PPF89 (XFM-PUR) (XFM-G/Y) (XFM-BLK) CONTROL WIRING FRESH AIR MODULE NOTES: MATING CONNECTOR PPM89 IS LOCATED IN THE RETURN ENCLOSURE PANEL XFM CAPACITOR 460V/575V EXHAUST FAN MOTOR EXHAUST FAN RELAY ACC-SVN236D-EN...
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Page 18: Power Exhaust Settings With Single Zone Vav And Multi-Speed Units
Wiring Installation – FIAPWRX*03* Power Exhaust Settings with Single Zone VAV and Multi-Speed Units Set power exhaust setpoint with the fan at maximum speed. Maximum speed can be obtained in full cooling or any heating modes. Weights and Dimensions Table 3. Weights and dimensions Model number... - Page 19 Notes ACC-SVN236D-EN...
- Page 20 For more information, please visit trane.com or americanstandardair.com. Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
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