Ameristar M4AC3048B1000NA User Manual

INSTALLATION INSTRUCTIONS
Split System Air Conditioner
WARNING
These instructions are intended as an aid to qualified
licensed service personnel for proper installation, adjust-
ment and operation of this unit. Read these instructions
thoroughly before attempting installation or operation.
Failure to follow these instructions may result in improper
installation, adjustment, service or maintenance possibly
resulting in fire, electrical shock, property damage,
personal injury or death.
RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION
DO NOT DESTROY THIS MANUAL
Please read carefully and keep in a safe place for future reference by a serviceman.
1.5-5 Tons
NOTE: Appearance of unit may vary.
13 SEER
R410A

Ameristar M4AC3048B1000NA Specifications

General

Brand	Ameristar
Model	M4AC3048B1000NA
Category	Air Conditioner
Language	English

Summary

1.0 SAFETY

Safety Alerts and Signal Word Definitions

Defines safety alert symbols, signal words DANGER, WARNING, and CAUTION for user safety.

Hazard Warnings and Precautions

Warns about fire/electrical hazards, brazing, and hot compressor domes to prevent injury.

3.0 UNIT INSTALLATION

3.1 LOCATION

Specifies requirements for selecting the installation location, considering clearances for air and service.

3.5 UNIT MOUNTING

3.6 FACTORY-PREFERRED TIE-DOWN METHOD

Details the preferred method for securing units to a slab for high wind areas using brackets.

3.7 PRECAUTIONS DURING LINE INSTALLATION

3.8 PRECAUTIONS DURING BRAZING OF LINES

Emphasizes using specific brazing materials and dry nitrogen to prevent oxidation during line connections.

3.2 GROUND INSTALLATION

Details ground installation requirements, base stability, and noise considerations for unit placement.

3.9 PRECAUTIONS DURING BRAZING SERVICE VALVE

4.0 INTERCONNECTING TUBING

5.0 EVACUATION

6.0 ELECTRICAL CONNECTIONS

6.1 GENERAL INFORMATION & GROUNDING

6.2 FIELD CONNECTIONS POWER WIRING

7.0 CHECKING REFRIGERANT CHARGE

7.1 CHARGING BY LIQUID PRESSURE

Details the procedure for charging the system using liquid pressure based on outdoor/indoor conditions.

7.2 CHARGING BY WEIGHT

Explains how to adjust refrigerant charge by weight, considering line length and system evacuation.

7.3 FINAL LEAK TESTING

9.0 WIRING DIAGRAM

9.1 CONTROL WIRING

Orifice/TXV Replacement Information

Orifice and TXV Replacement Steps

Troubleshooting System Faults

Operational and Checkout Procedures