Trane BAYLOAMU01 Installation Instructions Manual
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Trane BAYLOAMU01 Installation Instructions Manual

Trane BAYLOAMU01 Installation Instructions Manual

Head pressure control kit
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Installation Instructions
Head Pressure Control Kit
Model Numbers 60 Hz Used With:
BAYLOAMU01
TTA/TWA073D, TTA/TWA090D
BAYLOAMU02
TTA120D/E/F , TWA120D, TTA150E,
TTA180E/F , TWA180E, TTA240E/F ,
TWA240E, TTA300F
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.
January 2013
50 Hz Used With:
TTA/TWA061D, TTA/TWA076D
TTA086D, TTA101D/E/F , TWA101D, TTA126E,
TTA156E/F , TWA156E, TTA201E/F , TWA201E,
TTA251F
SAFETY WARNING
ACC-SVN118C-EN

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Summary of Contents for Trane BAYLOAMU01

  • Page 1 Installation Instructions Head Pressure Control Kit Model Numbers 60 Hz Used With: 50 Hz Used With: BAYLOAMU01 TTA/TWA073D, TTA/TWA090D TTA/TWA061D, TTA/TWA076D BAYLOAMU02 TTA120D/E/F , TWA120D, TTA150E, TTA086D, TTA101D/E/F , TWA101D, TTA126E, TTA180E/F , TWA180E, TTA240E/F , TTA156E/F , TWA156E, TTA201E/F , TWA201E,...

  • Page 2: Warnings, Cautions And Notices

    All technicians who handle handling concerns with R-410A, please contact your refrigerants must be certified.The Federal Clean Air Act local Trane representative. Failure to use R-410A rated (Section 608) sets forth the requirements for handling, service equipment or components could result in...

  • Page 3: Inspection

    Warnings, Cautions and Notices Inspection Remove the contents of the kit from the shipping package and inspect for possible damage. If the accessory has been damaged, it should be reported to and claims made against the transportation company immediately. Any missing parts should be immediately reported to your supplier and replaced with authorized parts only.

  • Page 4: Table Of Contents

    ......5 BAYLOAMU01 (External Mount) - Single Circuit Units ......5 BAYLOAMU02 (Internal Mount) - Single Circuit Units .

  • Page 5: Installation

    Installation BAYLOAMU01 (External Mount) - d. Using wire ties (Provided), bundle and dress this wire away from sharp edges and hot tubing. Single Circuit Units Note: This wire connection is needed to disable the ReliaTel™ on-board low ambient function. WARNING Figure 1.
  • Page 6 Installation Figure 3. ReliaTel — J1-7 board connection RTRM J1-7 Wire 68Z Figure 4. ReliaTel — low ambient function disable wire routing 3. Install mounting bracket and control unit b. Mount the low ambient head pressure control (HPK) onto the mounting bracket and secure with a.
  • Page 7 Installation the unit control box on electro-mechanical controlled units, and to the “R” terminal on the NOTICE: LTB1 on ReliaTel™ controlled units. Equipment Damage! d. OnTWA units, which are ReliaTel™ controlled, the Do not bend fan blades when removing fan motor Orange wire will need to be connected to the assembly.

  • Page 8: Bayloamu02 (Internal Mount) - Single Circuit Units

    Installation 9. Finishing the installation d. OnTTA units without ReliaTel™ control, mount the ambient temperature sensor mounting bracket to a. Using wire ties (provided in the kit), bundle and the underside of the control box as shown in dress any excess wires away from hot copper Figure 2, p.
  • Page 9 Installation Note: Be careful not to bend the fan blades. 8. Routing the liquid line temperature sensor wires c. Install the fan motor heat sink onto the shaft end of a. Route the liquid line temperature sensor from the the motor. board through the snap bushing in the floor of the control box just underneath the head pressure d.

  • Page 10: Bayloamu02 (Internal Mount) - Dual Circuit Units

    Installation BAYLOAMU02 (Internal Mount) - Figure 6. Ambient temp. sensor Dual Circuit Units WARNING Hazardous Voltage w/Capacitors! Disconnect all electric power, including remote disconnects and discharge all motor start/run capacitors before servicing. Follow proper lockout/ tagout procedures to ensure the power cannot be inadvertently energized.
  • Page 11 Installation a. Secure the low ambient head pressure control board in the back of the control box using two 10 x Figure 7. Bracket location 16 screws and two external tooth lock washers (Supplied in the kit in the envelope).The low ambient head pressure control board for circuit A is mounted on the left and the low ambient head pressure control board for circuit B is mounted on...
  • Page 12 Installation e. Ensure there are not interferences between the heat sink and the slinger. Make sure the fan hub bolt is Figure 11. Control board mounting in dual circuit unit tight.Torque to 165-175 in. lbs. control boxes f. Re-install the fan motor assembly. Use the black wire ties provided to secure the fan motor lead wires to the same leg of the motor mount.

  • Page 13: System Setup

    Installation Important: Route all wires away from hot tubes or The light emitting diode (LED) on the solid state relay sharp edges. should light when voltage is being applied to the fan motor. Once the 12-second test period is complete, the 9.

  • Page 14: Sequence Of Operation

    3. Using the refrigerant properties chart, find the saturation temperature for the obtained discharge pressure. BAYLOAMU01 and BAYLOAMU02 control the head pressure by cycling the condenser fan motor on and off (at 4. Subtract 3 degrees for estimated coil saturated AmbientTemperatures below 70°F).

  • Page 15: Repairs And Replacement

    Installation Repairs and Replacement Table 1. Dip switch setting Liquid Temp Field repairs to the unit must not be made. For a Set Point °F Dip Switch 1 Dip Switch 2 Dip Switch 3 replacement control, contact the local parts distributor. Table 1.
  • Page 16 Installation Figure 13. Wiring diagram for BAYLOAMU01 and BAYLOAMU02 ACC-SVN118C-EN...
  • Page 17 Installation Figure 14. Hook-up diagram for BAYLOAMU01 - TTA units with electromechanical control ACC-SVN118C-EN...
  • Page 18 Installation Figure 15. Hook-up diagram for BAYLOAMU01 — TTA units with ReliaTel™ control ACC-SVN118C-EN...
  • Page 19 Installation Figure 16. Hook-up diagram for BAYLOAMU01 — TWA units with ReliaTel™ control ACC-SVN118C-EN...
  • Page 20 Installation Figure 17. Hook-up diagram for BAYLOAMU02 on TTA units with electromechanical control ACC-SVN118C-EN...
  • Page 21 Installation Figure 18. Hook-up diagram for BAYLOAMU02 on TTA units with ReliaTel control ACC-SVN118C-EN...
  • Page 22 Installation Figure 19. Hook-up diagram for BAYLOAMU02— TWA units with ReliaTel™ control ACC-SVN118C-EN...
  • Page 23 The manufacturer optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, comfortable and energy efficient environments, the manufacturer offers a broad portfolio of advanced controls and HVAC systems, comprehensive building services, and parts. For more information, visit www.IRCO.com.

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Bayloamu02

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