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Installation Instructions
0 to 100% Low Leak Economizer –
Downflow
Foundation
3 to 5 Tons
Model Number:
Used With:
BAYECON353*
E/GB*036-060
E/GD*036-060
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.
July 2024
®
Packaged Cooling and Gas/Electric
SAFETY WARNING
ACC-SVN203D-EN
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Summary of Contents for Trane Foundation BAYECON353 Series
- Page 1 Installation Instructions 0 to 100% Low Leak Economizer – Downflow ® Foundation Packaged Cooling and Gas/Electric 3 to 5 Tons Model Number: Used With: BAYECON353* E/GB*036-060 E/GD*036-060 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.
- Page 2 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 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 General Information ..... . . 5 Inspection ......5 Parts List . -
Page 5: General Information
Mixed air sensor Parts List Label Table 1 lists components shown in Figure 1 Figure 2, p. Tube Sealant - Trane recommends Sikaflex 221 (SEL00439) Installation bag with screws Table 1. Major economizer component list Field Supplied Part Item Description... - Page 6 General Information Figure 2. Major economizer components – factory installed options Bag with items 11 12 13 14 15 16 (a) Mixed air temperature sensor and bracket are already installed in unit for factory installed option. ACC-SVN203D-EN...
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Page 7: Installation
Installation Economizer and Fresh Air Hood WARNING Installation Hazardous Service Procedures! 1. Remove the filter access panel, unit end panel and horizontal return panel. See Figure Failure to follow all precautions in this manual and on the tags, stickers, and labels could result in death or Figure 3. - Page 8 Installation 3. Build the fresh air hood assembly per Figure Figure 6. End panel and filter access door installation a. Apply gasket to 4, aligning to top edge of 4. b. Apply gasket to 6 and 7 as shown. c. Attach 9 to 6 and 7 using two screws on each side. d.
- Page 9 Installation e. Configure the thermostat Wi-Fi for connection to the 8. Install gasket on mist eliminator bracket. Assembly mist Internet. See the thermostat user manual for detailed eliminator bracket onto end panel using five screws. See instructions. Figure Figure 8. Economizer fault relay harness (EFR) routing Figure 10.
- Page 10 Installation Mixed Air Temperature Sensor Installation 10. Using field supplied silicone sealant, seal all seams, cracks and gaps around the outdoor air damper. See Figure Figure 12. End panel and fresh air hood sealing NOTICE Electrostatic Discharge! Seal along with fresh air hood Flanges Electrostatic discharge can short equipment circuitry.
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Page 11: Factory Installed Option - Field Setup
Installation Factory Installed Option – 2. Remove items 4, 5, 6, 7, 8, 9, 10, 12, and 13 from the economizer section as shown in Figure Field Setup Figure 15. Economizer parts – factory installed WARNING Hazardous Voltage w/Capacitors! Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury. -
Page 12: Economizer Controller
Economizer Controller Table 2. Economizer module - left hand terminal blocks NOTICE Electrostatic Discharge! Label Type Description Top Left Terminal Block Electrostatic discharge can short equipment circuitry. Ensure that you are properly grounded before handling 20k NTC and Mixed Air Temperature Sensor (polarity sensitive electronic equipment. - Page 13 Economizer Controller Use of the Keypad When Working with Time-out and Screensaver Menus When no buttons have been pressed for 10 minutes, the LCD displays a screensaver, which cycles through the Status items. • Navigate to the desired menu. Each Status item displays in turn and cycles to the next item •...
- Page 14 Economizer Controller Table 4. Controller menu structure Parameter Parameter Parameter Default Range and Recommended Menu Parameter Value Increment Value Notes YES = economizing available; the system can use Outdoor ECON AVAIL YES/NO Air for free cooling when required ECONOMIZING YES/NO YES = Outdoor Air being used for 1 stage cooling.
- Page 15 Economizer Controller Table 4. Controller menu structure (continued) Parameter Parameter Parameter Default Range and Recommended Menu Parameter Value Increment Value Notes 38 to 70°F; The economizer will modulate the OA damper to maintain MAT SET 53ºF 53ºF the mixed air temperature at the setpoint increment by 1 Setpoint determines outdoor temperature when the -45 to 80°F;...
- Page 16 Economizer Controller Table 4. Controller menu structure (continued) Parameter Parameter Parameter Default Range and Recommended Menu Parameter Value Increment Value Notes Display order = MM/DD/YY INSTALL 1/1/2011 Present date Setting order = DD, MM, then YY Sets economizer controller in degrees Fahrenheit or UNITS DEG ºF °F or °C...
- Page 17 Economizer Controller Table 4. Controller menu structure (continued) Parameter Parameter Parameter Default Range and Recommended Menu Parameter Value Increment Value Notes Indicates shutdown signal from space thermostat or unitary controller. When controller receives 24 Vac input on the SD terminal in conventional mode, the OA damper will open if SD DMPR POS programmed for OPN and OA damper will close if programmed for CLO.
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Page 18: Sequence Of Operation
Economizer Controller Sequence of Operation Table 5. Dry bulb operation no DCV (CO sensor) - 1 speed fan OA Good to economize? Y1-I FAN SPD Y1-O Occupied Unoccupied High 0-v/Off MIN POS Closed None High 24-v/On MIN POS Closed High 0-v/Off MIN POS Closed... -
Page 19: Initiation Of Operating Modes
Economizer Controller Table 8. Enthalpy operation with DCV (CO sensor) - 1 speed fan (continued) OA Good to economize? Y1-I FAN SPD Y1-O Occupied Unoccupied High 0-v/Off VENTMIN to VENTMAX Closed High 24-v/On VENTMIN L to VENTMAX Closed Above set High 0-v/Off VENTMIN L to VENTMAX... -
Page 20: Powered Exhaust
Economizer Controller Figure 17. Single enthalpy curve and boundaries ECONOMIZING DUAL ENTHALPY AVAILABLE HIGH LIMIT NOT AVAILABLE SINGLE ENTHALPY P2 (T,RH) (T,RH) M32286 TEMPERATURE Note: When the OA temperature, OA humidity, and the OA Attach the occupancy sensor to the OCC SENSOR wire and R dew point are all below the selected boundary, the terminal (at customer connections). -
Page 21: Troubleshooting
Economizer Controller Troubleshooting Initial Menu Display On initial start-up, Honeywell displays on the first line and Economizer W7220 on the second line. After a brief pause, WARNING the revision of the software appears on the first line and the second line will be blank. Hazardous Voltage! Power Loss Failure to disconnect power before servicing could... -
Page 22: Fault Detection And Diagnostics (Fdd) Certification
Economizer Controller Fault Detection and Diagnostics 4. Press 5. ALARM ERASED is displayed. (FDD) Certification 6. Press (Menu Up) to complete the action and return to the previous menu. The JADE controller is a certified FDD product (HJW10) by California Title 24, Part 6. Note: If an alarm still exists after you clear it, it redisplays within 5 seconds. - Page 23 Notes ACC-SVN203D-EN...
- Page 24 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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