Trane A5AHV002A1B30A Installation, Operation And Maintenance Manual

Convertible air handlers

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Installation, Operation, and Maintenance

Convertible Air Handlers

2 to 5 Ton

A5AHV002A1B30A

A5AHV003A1B30A

A5AHV004A1D30A

A5AHV005A1D30A

A5AHV006A1D30A

A5AHV007A1D30A

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.

May 2025

SAFETY WARNING

AHR-SVX006A-EN

Note: Graphics in this document are for representation only.

Actual model may differ in appearance.

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Summary of Contents for Trane A5AHV002A1B30A

Page 1 Installation, Operation, and Maintenance Convertible Air Handlers 2 to 5 Ton A5AHV002A1B30A A5AHV003A1B30A A5AHV004A1D30A A5AHV005A1D30A A5AHV006A1D30A A5AHV007A1D30A Note: Graphics in this document are for representation only. Actual model may differ in appearance. 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 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.
Page 3 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...
Page 4 This document and the information in it are the property of • This literature supersedes the old literature number 18- Trane, and may not be used or reproduced in whole or in GF82D1-1*-EN. part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to •...
Page 5 Table of Contents General Information ......6 Refrigerant Leak Detection System ..12 Standard Features .
Page 6 General Information Standard Features attic. These versatile units are applicable to air conditioning and heat pump applications. Several models are available • Multi-position upflow, downflow, horizontal left, and to meet the specific requirements of the outdoor horizontal right equipment. Field installed electric resistance heaters are •...
Page 7 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.
Page 8 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.
Page 9 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.
Page 10 Outline Drawing Figure 1. Outline drawing Minimum Unit Clearance Table Service Clearance Recommended Sides 2" Front 21" Back 0" Inlet Duct 1" Outlet Duct Note This unit is approved for installation clearances to combustible material as stated on the unit rating nameplate. Dwg No.
Page 11 Wiring Diagram Figure 2. Wiring diagram Note: For refrigerant leak detection and mitigation control board diagnostic flash codes, see Table 3, p. AHR-SVX006A-EN...
Page 12 Refrigerant Leak Detection System For all tables contained in this section of the manual, the • Turning off the compressor of the outdoor unit; refrigerant charge is the total system charge which is • De-energizing potential sources of ignition connected marked on the system according to the instructions to the system;...
Page 13 Refrigerant Leak Detection System Airflow Adjustment Table 3. MCB diagnostic code table For Software V07.1 and earlier Note: All A5AHV model air handlers have been factory configured to provide sufficient airflow to dilute Condition Green LED leaked refrigerant. Idle or Off Startup Verification of Mitigation Actions No Active Alarm...
Page 14 Installation Instructions 1. Unpacking If you are installing the unit in an unconditioned space such as an attic or crawl space, you must ensure that Carefully unpack the unit and inspect the contents for the area provides sufficient air circulation to prevent damage.
Page 15 Installation Instructions Negative tubing inside the unit before brazing the line set Pressure connections. Painted areas of the unit must be shielded during brazing to protect the finish. Drain Pan After brazing, replace the TXV bulb and insulate it using Blower “C”...
Page 16 Installation Instructions unit before making any adjustments to the airflow settings. Be sure to check the air flow and the temperature drop across the evaporator coil to ensure sufficient air flow. Note: For optimal performance, seal the seams of the front panels using an appropriate tape to reduce air leakage.
Page 17 Installation Instructions Be sure to set the correct airflow for cooling and incorporated into the fixed wiring in accordance with heating. national, state, and local codes. Switches 1–4 Cooling Airflow The unit is shipped wired for 230/240 Volt AC 60 HZ 1 Phase Operation.
Page 18 Installation Instructions Circuit R to O energizes the reversing valve to the from being discharged from the indoor unit during cooling position. defrost. Heating (heat pump) 13. Operational and Checkout Procedures When the thermostat calls for heating, the circuit from R To ensure proper function of the Refrigerant Leak to G is completed and the blower motor is energized Detection System, all procedures in the...
Page 19 Field Wiring Diagrams Figure 7. Field wiring diagrams Single Stage, Cooling Only Single Stage, HP Outdoor Thermostat Air Handler Thermostat Air Handler Outdoor 24 Vac HOT 24 Vac HOT 24 Vac 24 Vac Common Common Blue Blue COOLING COOL/HEAT 1st STAGE 1st STAGE YL/BLK YL/BLK...
Page 20 Field Wiring Diagrams 2 Stage, 2 Step, HP 2 Stage, 2 Step, Cooling Only Outdoor Thermostat Air Handler Outdoor Thermostat Air Handler 24 Vac HOT 24 Vac HOT 24 Vac 24 Vac Common Common Blue Blue COOL/HEAT COOLING 1st STAGE 1st STAGE COOL/HEAT COOLING...
Page 21 Field Wiring Diagrams Figure 8. Accessories diagram Electronic Air Cleaner, typical Thermostat Air Handler 24 Vac HOT ACC1a ACCESSORY INTERLOCK 1A ACCESSORY INTERLOCK 1B ACC1b AUDIBLE ALARM OUT A AUDIBLE ALARM OUT B Scan QR code to view instructional EXTERNAL SWITCH A videos on field wiring for CleanEffects EXTERNAL SWITCH B or AccuClean electronic air cleaners.
Page 22 Performance and Electrical Data Table 5. Cooling airflow performance – A5AHV002A1B30A A5AHV002A1B30A COOLING AIRFLOW PERFORMANCE, WET COIL, NO FILTER, NO HEATER Out Door Dip Switch Setting ExternalL Static Pressure Speed Airflow Airflow Unit Size Setting Setting Power (Tons) 353 CFM/...
Page 23 Performance and Electrical Data Table 7. Cooling airflow performance – A5AHV003A1B30A A5AHV003A1B30A COOLING AIRFLOW PERFORMANCE, WET COIL, NO FILTER, NO HEATER Out Door Dip Switch Setting ExternalL Static Pressure Speed Airflow Airflow Unit Size Setting Setting Power (Tons) 353 CFM/ 395 121 331 143 Watts...
Page 24 Performance and Electrical Data Table 9. Cooling airflow performance – A5AHV004A1D30A/A5AHV005A1D30A A5AHV004A1D30A/A5AHV005A1D30A COOLING AIRFLOW PERFORMANCE, WET COIL, NO FILTER, NO HEATER Out Door Dip Switch Setting ExternalL Static Pressure Speed Airflow Airflow Unit Size Setting Setting Power (Tons) 300 CFM/ 698 142 669 183 629 219...
Page 25 Performance and Electrical Data Table 10. Heating airflow performance – A5AHV004A1D30A/A5AHV005A1D30A (continued) A5AHV004A1D30A/A5AHV005A1D30A HEATING AIRFLOW PERFORMANCE, NO FILTER, NO HEATER Out Door Dip Switch Setting ExternalL Static Pressure Speed Airflow Airflow Unit Size Setting Setting Power (Tons) 338 CFM/ 1279 1319 1350 1353...
Page 26 1855 1831 1811 Watts 398 CFM/ 1980 1991 1992 1923 1851 HIGH Watts Factory Default Setting Table 13. Electrical data – A5AHV002A1B30A A5AHV002A1B30A HEATER DATA 240 Volt 208 Volt No. of Capacity Minimum Capacity Minimum Heater Heater Maximum Maximum Heater Model No.
Page 27 Performance and Electrical Data Table 14. Electrical data – A5AHV003A1B30A A5AHV003A1B30A HEATER DATA 240 Volt 208 Volt No. of Capacity Minimum Capacity Minimum Heater Heater Maximum Maximum Heater Model No. Circuits/ Circuit Circuit Amps per Overload Amps per Overload Phases BTUH BTUH Ampacity...
Page 28 Performance and Electrical Data Table 15. Electrical data – A5AHV004A1D30A/A5AHV005A1D30A A5AHV004A1D30A/A5AHV005A1D30A HEATER DATA 240 Volt 208 Volt No. of Minimum Minimum Capacity Heater Maximum Capacity Heater Maximum Heater Model No. Circuits/ Circuit Circuit Amps per Overload Amps per Overload Phases BTUH BTUH Ampacity...
Page 29 Note: See following tables for heater application:- Pressure Drop for Electrical Heaters- Minimum Heating Airflow Matrix (on unit nameplates) Table 20. Airflow performance with auxiliary heat - model A5AHV002A1B30A and A5AHV003A1B30A A5AHV002A1B30A, A5AHV003A1B30A Airflow Performance with Auxiliary Heat Dip Switch Settings...
Page 30 Minimum Airflow CFM Table 22. Airflow performance with auxiliary heat - model A5AHV006A1D30A, A5AHV007A1D30A A5AHV006A1D30A, A5AHV007A1D30A Airflow Performance with Auxiliary Heat Dip Switch Settings Airflow Settings Nominal Airflow Switch 7 Switch 8 1000 Med-Lo 1130 Med-Hi 1354 High 1596 AHR-SVX006A-EN...
Page 31 Heater Pressure Drop Table Table 23. Heat pressure drop Number of Racks Heater Racks Airflow Heater Model No. of Racks Air Pressure Drop — Inches W.G. BAYHTR1504 1800 0.02 0.04 0.06 0.14 BAYHTR1505 1700 0.02 0.04 0.06 0.14 BAYHTR1508 1600 0.02 0.04 0.06...
Page 32 Unit Conversion Instructions WARNING Downflow Important: For downflow applications, airflow restrictions Risk of Fire! apply for condensate blow off. Refer to Air Failure to follow instructions below could cause a fire Flow Performance Tables in this manual. which could result in death, serious injury, and equipment damage.
Page 33 Unit Conversion Instructions Figure 11. Coil assembly and horizontal drain pan located below the location the screws were removed for the coil support brackets. There are two holes per side. See location of holes. 10. Replace the center horizontal bracket removed in Step 3.
Page 34 Unit Conversion Instructions Figure 15. Coil support brackets piping. Figure 17. Coil assembly 16. Replace all panels. 13. Slide the coil assembly back into the air handler cabinet Figure 18. Front panels as shown. Figure 16. Refrigerant sensor location Refrigerant Sensor Refrigerant Sensor...
Page 35 Unit Conversion Instructions Horizontal Right Figure 20. Coil assembly and horizontal drain pan Important: For horizontal applications, airflow restrictions apply for condensate blow off. Refer to Air Flow Performance Tables in this manual. Follow the conversion steps when installing the air handler in horizontal right configuration.
Page 36 Important: The water diverter brackets are not symmetrical and will vary by tonnage. Figure 23. A5AHV002A1B30A/ A5AHV003A1B30A Top Cap Remove 2 screws and water diverter bracket...
Page 37 Unit Conversion Instructions Figure 24. A5AHV004A1D30A/A5AHV005A1D30A/ A5AHV006A1D30A/A5AHV007A1D30A Top Baffle Assembly Snap Tab Feature Remove 2 screws and water diverter bracket 11. To allow the horizontal pan to slide in on the right, cut Figure 25. Coil assembly and horizontal drain pan and remove the zip tie holding the sensor wire harness on the right side of the coil cabinet.
Page 38 Unit Conversion Instructions Figure 26. Drain pan support bracket 20. Replace all panels. Figure 28. Front panels Refrigerant Sensor 15. Slide the coil assembly back into the air handler cabinet. Important: Make sure that the coil corner locks in place under the tab in the side left bracket to support the coil weight in the horizontal right position.
Page 39 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. ☐...
Page 40 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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A5ahv003a1b30aA5ahv004a1d30aA5ahv005a1d30aA5ahv006a1d30aA5ahv007a1d30a