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.
June 2025
Notes:
•
Graphics in this document are for representation only. Actual model
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Installation, Operation, and Maintenance Variable Speed Air Handlers, Convertible, 2 to 5 Ton 5TAMXB02AV21DA 5TAMXC03AV31DA 5TAMXD04AV31DA 5TAMXD05AV41DA 5TAMXD06AV41DA 5TAMXD07AV51DA Notes: • Graphics in this document are for representation only. Actual model may differ in appearance. • For use with BAYEA series heaters only.
Safety Data Sheets (SDS) and OSHA guidelines (HCFCs). Not all refrigerants containing these compounds for proper PPE. have the same potential impact to the environment. Trane • When working with or around hazardous advocates the responsible handling of all refrigerants.
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Reconnect all grounding devices. • All parts of this product that are capable of • All Trane personnel must follow the company’s conducting electrical current are grounded. Environmental, Health and Safety (EHS) policies • If grounding wires, screws, straps, clips, nuts, or...
Updated values in the tables in the Heater Attribute Data chapter. This document and the information in it are the property of • Replaced figures in the Troubleshooting chapter. Trane, and may not be used or reproduced in whole or in AHR-SVX007A-EN...
General Information Diagnostic Mobile App Optional Accessories • 4, 5 ,8, 10, 15, 20, and 25 kW Single phase electric heaters – Circuit breakers available on single phase 4, 5, 8, 10, 15, 20, and 25 kW heaters The Diagnostics Mobile App is available by scanning a QR –...
General Information Installation Recommendations Notes: and Notes • Air handlers have been evaluated in accordance with the Code of Federal ALL Phases of this installation must comply with Regulations, Chapter XX, Part 3280 or the NATIONAL, STATE and LOCAL CODES! equivalent.
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General Information attic. Such design permits the installation of air return • Any third-party heater accessories or hydronic coils remote from the living area (i.e. central hall). must be downstream of the unit. • Study the unit’s outline drawing and dimensions prior to Note: No atomizing style humidifier is allowed in the return selecting the installation site.
Information on Servicing All replacement parts shall be in accordance with the any substance which may corrode refrigerant manufacturer's specifications. containing components, unless the components are constructed of materials which are inherently resistant to being corroded or are suitably protected Prior to Beginning Work against being so corroded.
Information on Servicing the refrigerant and shall be calibrated to the refrigerant amount of refrigerant contained in them. employed, and the appropriate percentage of gas (25 • Cylinders shall be kept in an appropriate position % maximum) is confirmed. according to the instructions. Example of leak detection fluids is bubble method.
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Information on Servicing its detail. It is recommended good practice that all 6. Make sure that cylinder is situated on the scales before refrigerants are recovered safely. Prior to the task being recovery takes place. carried out, an oil and refrigerant sample shall be taken in 7.
Figure 1. Outline drawing NOTE: THIS UNIT IS APPROVED FOR INSTALLATION CLEARANCES TO COMBUSTIBLE MATERIAL AS STATED ON THE UNIT RATING NAMEPLATE FLOW GAS LINE LIQ LINE Model Number CONTROL BRAZE BRAZE 5TAMXB02AV21DA 49.9 39.6 14.5 17.5 14.5 24.4 5TAMXC03AV31DA 55.7 45.5 18.4 21.3...
Wiring Diagrams Figure 2. Wiring diagram Note: For refrigerant leak detection and mitigation control board diagnostic flash codes, see Table 4, p. 18 AHR-SVX007A-EN...
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Wiring Diagrams Figure 3. Link communicating low voltage hook-up diagrams Table 1. Wire colors White Green Blue Notes: • * — Accessory terminals are dry contact outputs only. • + R connection to the outdoor unit is required only in applications utilizing an outdoor loadshed device or when using SmartCharge.
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3. 3 party condensate switch should break the Y1-in circuit between the thermostat and indoor unit. 4. X2 is necessary if not using select Trane or American Standard thermostats. 5. For single-stage outdoor units, use Y1-out and cap off Y2-out wire.
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3. 3 party condensate switch should break the Y1-in circuit between the thermostat and indoor unit. 4. X2 is necessary if not using select Trane or American Standard thermostats. 5. For single-stage outdoor units, use Y1-out and cap off Y2-out wire.
Refrigerant Leak Detection System For all tables contained in this section of the manual, the • Fully opening any zoning dampers, when applicable; refrigerant charge is the total system charge which is • Turning off the compressor of the outdoor unit; marked on the system according to the instructions •...
Refrigerant Leak Detection System Airflow Adjustment • Scan the QR code below for more information on field troubleshooting of the refrigerant leak detection Note: All 5TAMX model air handlers have been factory system. configured to provide sufficient airflow to dilute leaked refrigerant.
Refrigerant Leak Detection System For Software V9.1 and later Condition Amber LED No Power/Off Green LED Status Condition 24V Mode Active No Power/Off Communication Mode is Active/ Node Count Startup Normal Operation Normal Operation Slow Flash CAN Communication lost Fast Blink Active Alarm - Sensor 2 Flash Communication Error...
Unit Design Table 5. Cabinet penetration Important: Due to the unique design of this unit, which allows the electrical wiring to be routed within the insulation, do not screw, cut, or otherwise puncture the unit cabinet in any location other than the ones illustrated.
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Unit Design The Coil, Line Set, and Heater panels are removed using Phillips head screws. Removal requires #3 Size Phillips Coil and Heater panels must be removed prior to removing the Line Set panel. To remove Coil Panel: Turn screws on Coil panel. Rotate bottom of panel away from cabinet.
Optional Cabinet Disassembly Notes: • To reassemble cabinet, follow the steps in reverse order. Ensure electrical connections • If the unit must be transported in a horizontal are secure and the plug clips are engaged. position, it must be laid on its back (marked “REAR”...
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Optional Cabinet Disassembly Slide Coil assembly out of unit using built-in coil support channels and set aside Coil Support Channel Use a 5/16 Allen wrench on the locking mechanism on each side of the bottom half of the cabinet to loosen the locking mechanism. The locks loosen by turning counter-clockwise approximately 3/4 of a turn.
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Optional Cabinet Disassembly Lift the Coil section up and away from the Blower section. Set aside. Note: When separating the two cabinet pieces, make sure the gasket remains intact. AHR-SVX007A-EN...
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Optional Cabinet Disassembly 10. For extremely tight spaces where the cabinet needs to be rotated through a small opening, remove the top panel and all cross members. Use a manual driver to avoid stripping screw holes. 11. Continue preparation by following the proper carrying procedures shown in the next section. AHR-SVX007A-EN...
Placing Unit at Location WARNING RISK OF FIRE! The following requirements apply to the room where the air handler is installed: • All combustion appliances located in the same room that have continuous pilot lights are equipped with an effective flame arrest. •...
Four-Way Conversion To place the unit in the configuration your application requires (upflow, downflow, horizontal right, or horizontal left), simply turn the unit to that orientation. Remember to adjust the badge and the A2L sensor accordingly. Notes: • The air handlers are shipped from the factory suitable for four-way application. •...
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Four-Way Conversion Horizontal Left Configuration Airflow Refrigerant Horizontal Left Connections Condensate Drains Refrigerant Connections Airflow Horizontal Right Configuration Horizontal Left Condensate Drains AHR-SVX007A-EN...
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Four-Way Conversion Horizontal sensor relocation: A2L Sensor Note: The A2L sensor does not need to be relocated for upflow applications. It comes installed from the factory in the upflow position. Remove the coil panel and locate the A2L sensor on the upflow drain pan.
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Four-Way Conversion Downflow sensor relocation: A2L Sensor Note: To avoid damaging the refrigerant sensor, sensor should be relocated only after field braze joints have been completed. Remove the coil panel and the line set panel. Locate the A2L sensor on the upflow drain pan. Remove the A2L sensor from the drain pan by pulling directly Remove the A2L sensor from the metal bracket by removing the plastic push pins.
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Four-Way Conversion Locate the downflow sensor bracket in the Documentation package. Secure the A2L sensor to the downflow bracket using the push pins. Place the tab of the downflow bracket into the slot on the coil support. 10. Unbundle refrigerant sensor harness. Neatly route across front of coil using field-supplied wire ties.
Ducted and Non-Ducted Return Applications Table 8. Non-Ducted applications CAUTION Supply Duct Hazardous Vapors! Failure to follow instructions below could result in minor to moderate injury or property damage. Do not install an air handler with a non-ducted return in the same closet, alcove, or utility room as a fossil fuel device.
Setting the Unit — Vertical Installation Table 10. Considerations Provide a minimum height of 14 -in. for proper unrestricted airflow below the unit. Allow a minimum of 21 -in. clearance in front of the air handler to permit maintenance and removal of filter. •...
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Setting the Unit — Vertical Installation Table 12. Plenum installation Assemble the plenum using the plenum’s Installer Guide. On units with sheet metal returns: Return plenum must be flanged. Sheet metal drill point screws must be 1/2 -in. in length or shorter. Airflow Typical Plenum Installation Table 13.
Setting the Unit — Horizontal Installations Table 14. Considerations Important: Field Supplied • Due to the unique design of this unit, which allows the Isolators electrical wiring to be routed within the insulation , do not screw, cut, or otherwise puncture the unit cabinet in any location other than the ones illustrated in this Installer Guide or in an approved accessory’s Installer Guide.
Connecting the Duct work Table 15. Duct connection considerations Important: Due to the unique design of this unit, which allows the electrical wiring to be routed within the insulation, do not screw, cut, or otherwise puncture the unit cabinet in any location other than the ones illustrated in this Installer Guide or in an approved accessory’s Installer Guide.
Refrigerant Line Table 16. Refrigerant line connection sizes Vapor Line Connection Liquid Line Connection Model 5TAMXB02AV21DA 5TAMXC03AV31DA 5TAMXD04AV31DA 5TAMXD05AV41DA 5TAMXD06AV41DA 5TAMXD07AV51DA Refrigerant System Layout Notes: 1. This table indicates the tubing connection Figure 7. Refrigerant system layout diameters at the indoor coil. A field supplied reducing coupling may be required.
Refrigerant Line Brazing Table 17. Braze the refrigerant lines Heater Remove Heater, Coil, and Line Set panels. Panel Line Set Panel Coil Panel Important: Do NOT unseal coil refrigerant connection stubs until ready to make connections. Important: Heat Sensitive Sensors. The Gas Temperature Sensor must be removed or a wet rag must be wrapped around the suction line between the Sensor and the braze joint to protect it from failure due to overheating.
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Refrigerant Line Brazing Wet Rag On Gas Temperature Sensor (GT) Important: Heat Sensitive Sensor. The temperature Sensor must be removed or a wet rag must be wrapped around the suction line between the Sensor and the braze joint to protect the Sensor from failure due to overheating.
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Refrigerant Line Brazing Important: Do not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete. 0350 Evacuate until the micron gauge reads no higher than 350 microns, then Microns close off the valve to the vacuum pump. 10.
Condensate Drain Piping Condensate Drain Piping Considerations • Condensate drain plumbing must comply with national, state, and local • Do not connect the drain line to a closed drain system. codes. • Do not use a torch or flame near the plastic drain pan coupling. •...
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Condensate Drain Piping Install a clean-out tee in the primary drain line for future maintenance. It is recommended that you install a cap on the top of the tee. 1.5” min. clearance is recommended from cabinet to 1.5” min. inside edge of tubing Insulate the primary drain line to prevent sweating where dew point Insulation...
Electrical — High Voltage Table 18. High voltage power supply The high voltage power supply must match the equipment nameplate. WARNING Power wiring, including ground wiring must comply with national, sate, and Live Electrical Components! local codes. Failure to follow all electrical safety precautions when Field wiring diagrams for supplementary electric heaters are shipped with the exposed to live electrical components could result in heaters.
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Electrical — High Voltage BLACK If an electric heater IS NOT being installed, remove the pigtail harness from the documentation pack and connect it to the plug on the inside of GREEN - GROUND the Heater Compartment in the cabinet. If an electric heater IS being installed, see the Installer’s Guide shipped with the electric heater.
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Electrical — High Voltage Reinstall all panels before starting the air handler Note: After replacing all panels, loosen the Line Set Panel screws approximately 1/4 — 1/2 turn. This will improve the seal between the Heater Panel and Line Set Panel. Remove screw and coil bracket from documentation packet.
Electrical — Low Voltage 5TAMX can be used in either Link Communicating mode or App. In 24 volt mode, basic operation is configured from 24 volt mode. In Link Communicating mode, all the factory with no defaults for accessories. All configurations are made by using the configuration menu in configurations for blower delays, accessories etc., need the User Interface (UX360) or from the Diagnostic Mobile...
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Electrical — Low Voltage For low voltage entry, drill a 1/2 -in. diameter hole in side of blower cabinet at location shown on illustration. If needed for additional accessory wiring, a second hole may be drilled 2 -in. below the first. Two 3/8 -in. bushings are supplied in the doc pack.
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Electrical — Low Voltage Table 22. Low-voltage wire routing (continued) For 24V mode operation, the 24V harness (provided in the doc pack) must be installed by plugging into the three headers on the two control boards where shown. Close control box and replace screws. Route wiring as shown on right. Press and stick adhesive hook to front face of blower.
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Electrical — Low Voltage Secure the sheathed wiring to the control pocket mounting plate using the factory supplied wire ties attached to the tabs as shown. S1 BLE J3 Sensors Button Dip switch is rotated J13 Sensors upside down in unit J1 EEV J15 24 volt low voltage harness...
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Table 24. Get the APP: The Diagnostics Mobile App can be found in your device App Store when searching for Trane Diagnostics or American Standard Diagnostics. A QR code can be scanned which sends you directly to the location: AHR-SVX007A-EN...
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Electrical — Low Voltage Table 25. External switches and accessories When connecting a humidifier or an external switch to the air handler, locate the harness(es) in the doc pack. The plug on the harness will plug into the AHC control board. •...
Replacement AHC configuration – 24 volt mode Replacement AHC boards need programmed and will not run without Method #1: configuration IN 24 Volt Mode. There are 2 ways to perform the configuration. 1 of the methods is required to get the unit running. Combining 2 or more methods will result in unwanted operation.
Product Specifications Table 28. Product specifications - models 5TAMXB02A, 5TAMXC03A, and 5TAMXD04A MODEL 5TAMXB02AV21DA 5TAMXC03AV31DA 5TAMXD04AV31DA Application Configuration 4-Way 4-Way 4-Way RATED CAPACITY RANGE (BTUH) 18K to 24K 18K to 30K 24K to 42K Link Communicating or 24V Link Communicating or 24V...
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Product Specifications Table 29. Product specifications - models 5TAMXD05A, 5TAMXD06A, and 5TAMXD07A MODEL 5TAMXD05AV41DA 5TAMXD06AV41DA 5TAMXD07AV51DA Application Configuration 4-Way 4-Way 4-Way RATED CAPACITY RANGE (BTUH) 36K - 48K 42K - 60K 42K - 60K Link Communicating or 24V Link Communicating or 24V Link Communicating or 24V SYSTEM CONTROL TYPE POWER CONN.
• See Product Data or Air Handler nameplate for approved combinations of Air Handlers and Heaters. • Heater model numbers may have additional suffix digits. Table 36. Heater attribute data - model 5TAMXB02AV21DA 5TAMXB02AV21DA 240 Volt 208 Volt No. of...
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Heater Attribute Data Table 38. Heater attribute data - model 5TAMXD04AV31DA 5TAMXD04AV31DA 240 Volt 208 Volt Heater No. of Capacity Capacity Minimum Minimum Maximum Heater Maximum Heater Model No. Amps Circuits Circuit Circuit Overload Amps per Overload BTUH BTUH Ampacity Ampacity Protection Circuit...
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Heater Attribute Data Table 40. Heater attribute data - model 5TAMXD06AV41DA 5TAMXD06AV41DA 240 Volt 208 Volt No. of Minimum Minimum Heater Maximum Heater Maximum Capacity Capacity Heater Model No. Circuits Circuit Circuit Amps per Overload Amps per Overload BTUH BTUH Ampacity Ampacity Circuit...
Distance from Belly Band to Shaft Face of Motor for Minimum Vibration MODEL DIM “ A “ BLOWER HOUSING 5TAMXB02AV21DA 2–3/8 5TAMXC03AV31DA 2–3/8 BELLY BAND 5TAMXD04AV31DA 2–3/8 5TAMXD05AV41DA 2–3/8 5TAMXD06AV41DA 2–3/8 MOTOR 5TAMXD07AV51DA 2–3/8 WHEEL “A” is determined per chart...
System Start Up Make sure all panels are securely in place and that all wiring has been properly dressed and secured. Turn on electrical power disconnect(s) to apply power to the indoor and outdoor units. Set the system thermostat to ON. Fault Reporting The Air Handler Control (AHC) will show active faults and store historical faults S1 BLE...
Unit Test Options Table 45. 24 volt mode: Internal test can only be triggered using the Diagnostic Mobile App. There is not a local way to run any test mode manually. Tests available from the Diagnostics Mobile App are: The monitor menu in the Diagnostic Mobile App will show important information while in test modes that prove the test is successful.
ET / GT and Supply Air Temperature Sensor Table 47. Thermal resistance and voltage table Volts DC at plug J3 Volts DC at plug J3 Volts DC at plug J3 THERMISTOR THERMISTOR THERMISTOR EVAP TEMP (ET) EVAP TEMP (ET) EVAP TEMP (ET) TEMP TEMP TEMP...
ET / GT and Supply Air Temperature Sensor Return Air Temperature Sensor Table 48. Thermal resistance and voltage table THERMISTOR Volts DC at J13 pins TEMP TEMP RESISTANCE 1&2 (OHMS) (pin to pin) 25452 1.85 22198 1.70 10.0 19405 1.55 12.8 17002 1.41...
Sequence of Operation 5TAMX can be used in either Link Communicating mode or 4. The AHC will now control superheat for 2nd stage. 24 volt mode. In Link Communicating mode, all When a request for cooling is removed, the AHC will configurations are made by using the configuration menu in turn off the blower motor after any user selected fan-off the User Interface (UX360) or from the Diagnostic Mobile...
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The Diagnostics Mobile App can be found in the device app the AHC. It will stay on for 24 hours and then automatically store when searching Trane Diagnostic or American turn off. Standard Diagnostics or by scanning a QR code that is located on the inside of the blower door.
Checkout Procedures The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in a Checkout Procedure. Confirm all requirements in this document have been met. ☐ All wiring connections are tight and properly secured. ☐...
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Troubleshooting HIGH SUPERHEAT Superheat above 30F at OD unit Start Here Perform Verify that OD Verify line set is Is subcooling at temperature the outdoor unit condenser coils properly sized for sensor check are clean application between 8-12F? Verify line set size and charge is Is liquid line Add refrigerant...
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Troubleshooting Troubleshooting Low Superheat - page 2 STEP 4 Replace stepper System has Correct stepper motor and retest for proper motor installed Low Superheat Superheat STEP 5 Correct wiring and Connector wiring Connector J1 retest for Low can be corrected wired correctly Superheat System has...
Notices FCC Notice IC Notice Contains FCC ID: WAP3025 Contains IC ID: 7922A-3025 This device complies with part 15 of the FCC Rules. This device complies with Industry Canada license exempt Operation is subject to the following two conditions: (1) This RSS standard(s).
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About Trane and American Standard Heating and Air Conditioning Trane and American Standard create comfortable, energy efficient indoor environments for residential applications. For more information, please visit www.trane.com or www.americanstandardair.com. The manufacturer has a policy of continuous data improvement and it reserves the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
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