Ameristar M4AC6030A1000A User Manual

Installer’s Guide
April 2020
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.
M4AC6018A1000A
M4AC6024A1000A
M4AC6030A1000A
M4AC6036A1000A
M4AC6042A1000A
M4AC6048A1000A
Note: “Graphics in this document are for representation only.
Actual model may differ in appearance.”
Split System Cooling
M4AC6
88-M4PW003-1B-EN

Ameristar M4AC6030A1000A Specifications

General

Model	M4AC6030A1000A
Type	Split System Air Conditioner
Cooling Capacity	2.5 Tons
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Compressor Type	Scroll
Cooling Capacity BTU	30, 000 BTU/h
Power Supply Frequency	60 Hz
Sound Pressure Level (Outdoor Unit)	76 dB
Stages	Single

Summary

Section 1. Safety

General Safety Warnings

Covers critical warnings on electrical safety, qualified personnel, and operational hazards.

Section 3. Unit Preparation

Prepare Unit for Installation

Section 5. Refrigerant Line Considerations

Factory Charge Information

Section 7. Refrigerant Line Brazing

Braze the Refrigerant Lines

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

Section 8. Refrigerant Line Leak Check

Check For Leaks

Procedure for pressurizing lines with nitrogen and checking for leaks using a soapy solution.

Section 9. Evacuation

Evacuate Refrigerant Lines and Indoor Coil

Steps to evacuate the system to a specific micron level for moisture removal.

Section 10. Service Valves

Open the Gas Service Valve

Procedure for opening the gas service valve after leak check and evacuation are complete.

Open the Liquid Service Valve

Procedure for opening the liquid service valve with specific caution for pressure release.

Section 13. Start Up

System Start Up

Steps to ensure all previous sections are completed before setting the thermostat to ON.

Section 14. System Charge Adjustment

Temperature Measurements

Subcooling Charging in Cooling

Adjust refrigerant charge using subcooling method for outdoor temps above 55°F.

Weigh-In Method for Charging

Use weigh-in method for initial install or when subcooling method is not feasible.

Section 15. Checkout Procedures and Troubleshooting

Operational And Checkout Procedures

Troubleshooting

System faults table and diagnostic steps for refrigerant and electrical circuit issues.