American Standard Link 4A6V8X24A1000A 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.
August 2022
1111--BBCC4455DD11--11CC--EENN
American Standard Link or AccuLink™™
Variable Speed Heat Pumps and Air Conditioners
4A6V8X24A1000A
4A6V8X36A1000A
4A6V8X48A1000A
4A6V8X60A1000A
4A7V8X24A1000A
4A7V8X36A1000A
4A7V8X48A1000A
4A7V8X60A1000A
TM
The Diagnostics Mobile App is available by scanning a QR code
located inside this unit or by searching for the Link Diagnostics App
in your App Store
® .
NNoottee:: “Graphics in this document are for representation only. Actual
model may differ in appearance.”
NNoottee:: This unit can be used in AccuLink
™ mode or American Standard
Link mode.
Installer’s Guide

American Standard Link 4A6V8X24A1000A Specifications

General

Brand	American Standard
Model	Link 4A6V8X24A1000A
Category	Air Conditioner
Language	English

Summary

American Standard Link & AccuLink™ Systems

Safety Section

General Safety Warnings

Covers critical safety warnings for voltage, refrigerant, heat, grounding, and electrical hazards.

Approved System Combinations

Lists compatible thermostat and controller combinations for Link and AccuLink systems.

Unit Location Considerations

Location Guidelines and Precautions

Provides guidelines for optimal outdoor unit placement, including clearance and noise mitigation.

Climate Specific Installation

Details precautions for cold climates and coastal environments for proper installation.

Unit Preparation and Setup

Pad Installation Requirements

Specifies criteria for installing the outdoor unit on a support pad for stability and drainage.

Refrigerant Line Handling

Refrigerant Line Insulation and Routing

Details insulation requirements and safe routing practices for refrigerant lines to maintain performance.

Refrigerant Line Brazing Procedures

Refrigerant Line Leak Check and Evacuation

Service Valve Operation

Electrical – Low Voltage Communicating

Low Voltage Wire Length and Connectors

Defines maximum wire lengths and explains the use of specific connectors for Link system communication.

Electrical – High Voltage

Power Supply and Disconnect Switch

Details requirements for high voltage power, disconnect switches, and avoiding GFCI circuits.

Control Board LED Indicators

System Startup Procedure

System Charge Adjustment

Temperature Measurements and Corrections

Outlines necessary temperature measurements and subcooling correction methods for accurate system charging.

Subcool Charging Correction Charts

R-410A Refrigerant Charging Chart

Provides a chart for R-410A refrigerant charging based on liquid temperature and pressure.

Charging the Unit

Subcooling Charging Below 55° F (Heating Only)

Communicating Display Assembly (CANda)

CANda Navigation and Menu Structure

Describes how to navigate the CANda display and its various menus for system interaction.

Defrost Control (Heat Pump)

Forced Defrost Testing via CANda

Details the steps to initiate and monitor a forced defrost test using the CANda interface.

Checkout Procedures

Regulatory Notices

FCC and IC Compliance Statements

Provides information regarding FCC and Industry Canada compliance for the device.

Notes

About American Standard