American Standard 4A6C4060A4000A User Manual

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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.
November 2016
11-BC41D1-1A-EN
Split System Heat Pump
3–Phase, 230V
3–Phase, 460V
223300VV MMOODDEELLSS
4A6C4036A3000A
4A6C4042A3000A
4A6C4048A3000A
4A6C4060A3000A
446600VV MMOODDEELLSS
4A6C4036A4000A
4A6C4042A4000A
4A6C4048A4000A
4A6C4060A4000A
NNoottee:: “Graphics in this document are for representation
only. Actual model may differ in appearance.”
Installer’s Guide

American Standard 4A6C4060A4000A Specifications

General

Brand	American Standard
Model Number	4A6C4060A4000A
Category	Heat Pump
SEER Rating	16
Refrigerant Type	R-410A
Voltage	208/230V
Phase	1
Cooling Capacity	60, 000 BTU/h
HSPF Rating	9.0
Heating Capacity	5 Tons (60, 000 BTU/h)

Summary

Installer's Guide and Model Information

Cover Page Safety Warning

Prominent safety warning on the cover page regarding qualified personnel and hazards.

Safety Section Details

Critical Safety Precautions and Warnings

Covers hazardous voltage, refrigerant oil, hot surfaces, refrigerant handling, grounding, and service valve safety.

Refrigerant Line Specifications

Line Sizes and Connections

Refrigerant Line Installation Practices

Refrigerant Line Insulation and Routing

Refrigerant Line Brazing

Brazing Preparation and Procedure

Steps for preparing refrigerant lines and performing brazing using dry nitrogen purge.

Refrigerant Line Brazing (Continued)

Brazing Service Valves and Filter Driers

Detailed instructions for brazing service valves and field-installed external driers.

Post-Brazing Procedures

Leak Detection and Evacuation

Performing Refrigerant Line Leak Checks

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

System Evacuation to Micron Levels

Guidelines for evacuating the system using a micron gauge to ensure dryness and leak-free status.

Low Voltage Electrical Connections

Low Voltage Hook-up Diagrams

Low Voltage Defrost Control

Defrost Control Operation and Settings

High Voltage Electrical Connections

High Voltage Power Supply Requirements

Guidelines for connecting the high voltage power supply and ensuring compliance with safety standards.

High Voltage Disconnect Switch Installation

Instructions for installing a separate disconnect switch and grounding the outdoor unit.

System Charge Adjustment

Subcooling Charging Corrections

Worksheet and methodology for determining subcooling corrections based on line length and lift.

Subcooling Charging Procedures

Cooling Mode Subcooling Method

Detailed steps for subcooling charge adjustment in cooling mode between 55°F and 120°F ambient.

Subcooling Charging Chart Corrections

Using Subcooling Correction Tables

Charging the Unit

Proper Gage Pressure Adjustment

System Stabilization and Verification

Refrigerant Charging Chart

R-410A Refrigerant Charging Table

Final Checkout Procedures

Installation Completion Checklist

Comprehensive checklist to confirm all installation steps are completed and the system is ready for operation.