Ameristar M4AC3042B1000NA 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 M4AC3042B1000NA Specifications

General

Type	Air Conditioner
Model	M4AC3042B1000NA
Cooling Capacity (BTU)	42000
Cooling Capacity (Ton)	3.5
SEER Rating	16
Voltage	208/230
Phase	1
Compressor Type	Scroll
Refrigerant	R-410A
Stages	Single Stage

Summary

Safety Information

Hazard Symbol Definitions

Explains DANGER, WARNING, and CAUTION symbols used in the manual.

Operational Hazard Warnings

Details risks from improper installation, electrical issues, and hot components.

Unit Installation

Location and Clearances

Covers site selection, clearances, ground, and roof installation requirements.

Mounting and Securing

Details unit mounting, base preparation, and tie-down methods.

Line Installation Precautions

Covers precautions for refrigerant line installation and brazing.

System Connections and Charge

Tubing, Evacuation, and Electrical Basics

Covers line sizing, evacuation, and electrical connection basics.

Refrigerant Charge Procedures

Explains charging by pressure, weight, and final leak testing.

Operational Procedures and Specialties

Wiring Diagrams and Motor Access

Details wiring diagrams, motor removal, and control wiring.

Orifice and TXV Replacement

Provides specific instructions for replacing orifices and TXVs.

Warranty Terms and Maintenance

Covers warranty, maintenance, and terms and conditions.