Trane BAYECON353 Series Installation Instructions Manual
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Trane BAYECON353 Series Installation Instructions Manual

Trane BAYECON353 Series Installation Instructions Manual

0 to 100% low leak economizer - downflow foundation packaged cooling and gas/electric 3 to 5 tons
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Installation Instructions
0 to 100% Low Leak Economizer —
Downflow
Foundation™ Packaged Cooling and
Gas/Electric
3 to 5 Tons
Model Number
BAYECON353*
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.
September 2021
Used With
E/GBC036-060
ACC-SVN203C-EN
SAFETY WARNING

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  • 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/GBC036-060 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 PRIOR to Practices servicing the unit. NEVER PERFORM ANY SWITCHING, DISCONNECTING, OR VOLTAGE Trane believes that responsible refrigerant practices are TESTING WITHOUT PROPER ELECTRICAL PPE AND important to the environment, our customers, and the air ARC FLASH CLOTHING. ENSURE ELECTRICAL conditioning industry.
  • 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.

  • Page 4: Table Of Contents

    Table of Contents General Information ..... 5 Inspection ......5 Parts List .

  • Page 5: General Information

    3. Visually inspect the components for shipping damage corrosion related failures to refrigeration components. as soon as possible after delivery, before it is stored. 1 - Tube Sealant - Trane recommends Sikaflex 221 Concealed damage must be reported within 15 days. (SEL00439) 4.
  • Page 6 General Information Figure 1. Major economizer components — field installed options Installation bag with screws Figure 2. Major economizer components — factory installed options Bag with items 11, 12, 13, 14, 15 and 16 (a) Mixed air temperature sensor and bracket are already installed in unit for factory installed option. ACC-SVN203C-EN...

  • 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's Wi-Fi for connection to 8. Install gasket on mist eliminator bracket. Assembly the Internet. Consult thermostat's user manual for mist eliminator bracket onto end panel using five detailed instructions. screws. See Figure Figure 8. Economizer fault relay harness (EFR) routing Figure 10.
  • Page 10 Installation 10. Using field supplied silicone sealant, seal all seams, Mixed Air Temperature Sensor Installation cracks and gaps around the outdoor air damper as illustrated in NOTICE: Figure 12. End panel and fresh air hood sealing Equipment Damage! Seal along with Electrostatic discharge can short equipment circuitry.

  • Page 11: Factory Installed Option- Field Set Up

    Installation 2. Remove items 4, 5, 6, 7, 8, 9, 10, 12, and 13 from the Factory Installed Option— economizer section as shown in Figure Field Set Up 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 Label Type Description Equipment Damage! Top Left Terminal Block Electrostatic discharge can short equipment circuitry. 20k NTC and Mixed Air Temperature Sensor (polarity Ensure that you are properly grounded before handling insensitive connection) the sensor.
  • 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 • Navigate to the desired menu. Status items. Each Status item displays in turn and cycles •...
  • 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 ECON AVAIL YES/NO Outdoor Air for free cooling when required ECONOMIZING(c) 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 Output of EXH1 terminal. Displays ON when damper position reaches programmed percentage setpoint. EXH1 OUT(c) ON/OFF ON = 24 Vac Output; OFF = No Output EXH2 OUT ON/OFF EXH2 OUT is not available...
  • Page 16 Economizer Controller Table 4. Controller menu structure (continued) Parameter Parameter Parameter Default Range and Recommended Menu Parameter Value Increment Value Notes 0 to 100%; SETPOINTS EXH2 SET EXH2 SET is not available increment by 1 Display order = MM/DD/YY INSTALL(c) 1/1/2011 Present date Setting order = DD, MM, then YY...
  • 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 programmed for OPN and OA SD DMPR POS damper will close if programmed for CLO.

  • Page 18: Sequence Of Operation

    Economizer Controller Table 4. Controller menu structure (continued) Parameter Parameter Parameter Default Range and Recommended Menu Parameter Value Increment Value Notes MAT SENS ERR SENS ERR(c) OAT SENS ERR(c) DA ENTHL ERR DA ENTHL ERR is not available When AUX1-O is set to SYS and there is any alarm SYS ALARM the AUX1-O terminal has 24 Vac out ALARMS(_)

  • Page 19: Initiation Of Operating Modes

    Economizer Controller Table 7. Enthalpy 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 None High 0-v/Off...

  • Page 20: Enthalpy Settings

    Economizer Controller Enthalpy Settings Table 9. Single enthalpy and dual enthalpy boundaries (parameters ES1 through ES5) Temp. Temp. Point P1 Point P2 NOTICE dry- Enth. Equipment Damage! Enth. Bulb point (btu/ Temp. Humid. Temp. Humid. Curve (ºF) (ºF) lb/da) ºF ºF Electrostatic discharge can short equipment circuitry.

  • Page 21: Powered Exhaust

    Economizer Controller Powered Exhaust Checkout To configure the LLE controller, set EXH1 SET in the SETPOINTS menu. WARNING Hazardous Voltage! Sensor Failure to disconnect power before servicing could This optional sensor can be added for Demand Control result in death or serious injury. Disconnect all electric Ventilation (DCV) functionality.

  • Page 22: Troubleshooting

    Economizer Controller If one or more alarms are present and there has been no Checkout Tests keypad activity for at least 5 minutes, the Alarms menu displays and cycles through the active alarms. NOTICE You can also navigate to the Alarms menu at any time. Compressor Damage! Note: Upon power up, the module waits 60 minutes Be sure to allow enough time for compressor start-up...
  • Page 23 Economizer Controller Figure 18. Ultra low leak economizer wiring diagram ACC-SVN203C-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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