Trane A4AC3030D User Manual

Installation and Operation Manual
April 2022
88-A4AC3001-1J-EN
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. Improperly installed, adjusted or
altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all pre-
cautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
Models
A4AC3018D A4AC3018A
A4AC3023D A4AC3023A
A4AC3024D A4AC3024A
A4AC3030D A4AC3029A
A4AC3035D A4AC3030A
A4AC3036D A4AC3036A
A4AC3042D A4AC3042A
A4AC3048D A4AC3043A
A4AC3060D A4AC3048B
A4AC3060A
Note: “Graphics in this document are for representation only.
Actual model may differ in appearance.”
Condensing Units

Trane A4AC3030D Specifications

General

Model	A4AC3030D
Type	Heat Pump
Refrigerant	R-410A
Phase	1
Cooling Capacity	2.5 Tons
Cooling Capacity (BTU)	30000 BTU
Heating Capacity	30000 BTU
HSPF Rating	8.2 HSPF
Stages	1
Voltage	208/230V
Fan Motor Type	PSC

Summary

Section 1. Safety

Section 2. Unit Location Considerations

Suggested Locations for Best Reliability

Offers guidance on optimal placement for unit performance and longevity.

Section 3. Unit Preparation

Section 4. Setting the Unit

Section 5. Refrigerant Line Considerations

Section 6. Refrigerant Line Routing

Section 7. Refrigerant Line Brazing

Braze The Refrigerant Lines

Step-by-step instructions for brazing refrigerant lines to service valves.

Section 8. Refrigerant Line Leak Check

Check For Leaks

Procedures for pressurizing lines and checking for leaks using soapy solution.

Section 9. Evacuation

Evacuate the Refrigerant Lines and Indoor Coil

Details the process of evacuating the system to a specific micron level.

Section 10. Service Valves

Section 11. Electrical - Low Voltage

Low Voltage Hook-up Diagrams

Illustrates wiring connections for various heat pump and AC systems.

Section 12. Electrical - High Voltage

Section 13. Start Up

System Start Up Procedures

Step-by-step guide for powering up and starting the system.

Section 14. System Charge Adjustment

Subcooling Charging in Cooling (Above 55° F Outdoor Temp.)

Explains subcooling method for charging when outdoor temp is above 55°F.

Subcooling Charging Below 55° F Outdoor Temp.

Recommends weighing charge for temperatures below 55°F outdoor.

Section 15. Checkout Procedures

Operational And Checkout Procedures

Lists final checks and operational procedures for system verification.

Section 16. Refrigerant Circuits

Section 17. Wiring Diagrams

Section 18. Pressure Curves

Cooling Performance Pressure Curves

Charts showing liquid and suction pressures vs. outdoor temperature for cooling.