American Standard 4A6C4048A3000A 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 4A6C4048A3000A Specifications

General

Brand	American Standard
Model	4A6C4048A3000A
Category	Heat Pump
Language	English

Summary

SAFETY SECTION

Unit Location Considerations

Coastal Considerations

Special installation requirements for units near salt water, including Seacoast Salt Shields.

Unit Preparation

Setting Up the Unit

Guidelines for pad installation and criteria for correctly positioning the outdoor unit.

Refrigerant Line Routing Precautions

Refrigerant Line Brazing

Refrigerant Line Leak Check

Refrigerant Line and Indoor Coil Evacuation

Procedure for evacuating refrigerant lines and indoor coil to a specific micron level for dryness.

Service Valves

Electrical — Low Voltage

Defrost Control

Details on the defrost control board, its functions, and checkout procedures.

Electrical — High Voltage

System Start Up

System Charge Adjustment

Subcooling Charging in Cooling

Method for subcooling charge adjustment for cooling mode between 55°F and 120°F ambient.

Charging the Unit

Refrigerant Charging Chart

Checkout Procedures