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Installation Instructions
Discharge Air Sensing Kit
Precedent™ Packaged Rooftop Units
Model Number:
FIADAST003*
FIADAST004*
FIADAST005*
FIADAST006*
FIADAST007*
FIADAST008*
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 2022
Used With:
Precedent B cabinet (digit 39 = B) - T/WS*072-120
Precedent B cabinet (digit 39 = B) - Y/DS*072-120
Precedent C cabinet (digit 39 = C) - T/WS*150
Precedent C cabinet (digit 39 = C) - Y/DS*150
Precedent D cabinet (digit 11 = L, digit 39 = D), T/YS*180-300, T/YH*150-300,
W/D/GS*150-300
Precedent D cabinet (digit 11 = 0/M/H/B/C/E/G/K/N/P/R, digit 39 = D), T/YS*180-300,
T/YH*150-300, W/D/GS*150-300
SAFETY WARNING
ACC-SVN240A-EN
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Summary of Contents for Trane Precedent FIADAST003 Series
- Page 1 Installation Instructions Discharge Air Sensing Kit Precedent™ Packaged Rooftop Units Model Number: Used With: FIADAST003* Precedent B cabinet (digit 39 = B) - T/WS*072-120 FIADAST004* Precedent B cabinet (digit 39 = B) - Y/DS*072-120 FIADAST005* Precedent C cabinet (digit 39 = C) - T/WS*150 FIADAST006* Precedent C cabinet (digit 39 = C) - Y/DS*150 FIADAST007*...
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Page 2: Warnings, Cautions, And Notices
CFCs and HCFCs such as saturated or unsaturated HFCs and HCFCs. Important Responsible Refrigerant Practices Trane believes that responsible refrigerant practices are important to the environment, our customers, and the air conditioning industry. All technicians who handle refrigerants must be certified according to local rules. - Page 3 Non-Trane personnel should always follow local regulations. 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 General Information ..........5 Inspection .
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Page 5: General Information
General Information Notes: • An options board (FIAOPTN002*) must be installed in the unit for the this accessory to operate. • Supply air sensing tube is standard on SZVAV, MZVAV, and economizer units. This discharge air sensing kit is designed to sense the supply air temperature downstream of the fan and/or heat exchanger. - Page 6 General Information FIADAST005* T/W Models (digit 39 = C) Quantity Description Temperature sensing module Sensing tubes Mounting brackets Pipe insulation Screws FIADAST006* Y/D Models (digit 39 = C) Quantity Description Temperature sensing module Sensing tubes Mounting brackets Pipe insulation Screws FIADAST007/8* (digit 39 = D) Quantity Description...
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Page 7: Installation
Installation WARNING Hazardous Voltage! Failure to follow instructions below could result in death or serious injury. Power down the outdoor unit before making contact with the inverter circuit board. Follow proper lockout/tagout procedures to ensure the power cannot be inadvertently energized.Wait for at least 15 minutes to allow the unit to fully discharge high DC voltage. - Page 8 Installation Figure 2. T/WS*150 downflow and horizontal Module, indoor fan, temperature sensing Bracket, DAS support Insulation Tube, discharge air sensing Bracket, Insulation DAS support Tube, discharge air sensing Tube, Tube, discharge discharge air sensing, convertible Tube, discharge Tube, discharge air connecting air rotating air rotating Tube, discharge...
- Page 9 Installation Figure 5. For model: D cabinet (digit 39 = D) downflow installation Temperature sensing assembly with insulation Tube position with 5x5 Gas HX (digit 11 = L), FIADAST007* Secure clamp with screws into fan wall Secure four tubes with screws Tube position with 7x7, 8x8 Gas HX, Electric Heat or Cooling Only,...
- Page 10 Installation Figure 7. FIADAST004_B.0 and C.0 in machine Figure 8. FIADAST004_B.0 and C.0 gap setting ACC-SVN240A-EN...
- Page 11 Installation Table 1. Gap analysis chart – B.0 and C.0 cabinet Heater Type HZ Gap Low DF Gap Low HZ Gap Med DF Gap Med HZ Gap High DF Gap High TLSP; GAS heat, B0 Cabinet, 3x3, L2 3/4 inch 3/4 inch TLSP;...
- Page 12 Installation Figure 10. For model: D cabinet (digit 39 = D), install sensing tube Insert sensing tube through knockout in divider Assemble sensing tubes (three or four tubes) secure with screws Remove rear access panel Remove supply duct cover 6. Secure the mounting bracket to divider with four screws holding the sensing tubes in place against the fan wall as shown in the following figures.
- Page 13 Installation Figure 12. For model: D cabinet (digit 39 = D) horizontal installation Mounting bracket Sensing tubes Figure 13. For model: D cabinet (digit 39 = D) sensor temperature sensing module installation Temperature sensing module Use temperature sensing module screw to attach to the sensor tube 7.
- Page 14 Installation Figure 14. Verify wire harness and insulation installed around temperature sensing assembly Sensor module wire harness Insulation secured to outside of temperature sensing module with wire tie Small bracket holding temperature sensor in place Sensing tubes Note: See Figure 5 for sensing tube holes.
- Page 15 Notes ACC-SVN240A-EN...
- Page 16 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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