American Standard AccuLink 4A6V0X36A1000A 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
44AA--VV00XX--SSFF--11CC--EENN
American Standard Link or AccuLink™™
Variable Speed Heat Pumps and Air Conditioners
4A6V0X24A1000A
4A6V0X36A1000A
4A6V0X48A1000A
4A6V0X60A1000A
4A7V0X24A1000A
4A7V0X36B1000A
4A7V0X48A1000A
4A7V0X60A1000A
4A7V0X61A1000A
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.
Service Facts

American Standard AccuLink 4A6V0X36A1000A Specifications

General

Model	4A6V0X36A1000A
Brand	American Standard
Cooling Capacity	36, 000 BTU
Tonnage	3 Ton
SEER Rating	16
Refrigerant	R-410A
System Type	Split System
Voltage	208/230V
Phase	1
Type	Air Conditioner
Compressor Type	Scroll
Warranty	10 Years
HSPF	9.0
Stages	Single-Stage
Energy Efficiency Ratio (EER)	Up to 13 EER

Summary

Service Facts and Safety Introduction

General Safety Warnings

Comprehensive safety precautions including electrical, refrigerant, and hot surface hazards.

400 Volts Electrical Hazard

Specific warning about dangerous 400VDC charge in electrical components after power disconnection.

Product Specifications

Heat Pump Models Specifications

Air Conditioner Models Specifications

Charging Procedures

Subcooling Charging and Corrections

Method for subcooling charging and charts for line length/lift corrections.

Refrigerant Charging and Weigh-In Methods

System Wiring and Control

Wiring Diagram and Legend

Schematic showing electrical connections, components, and wire colors.

Integrated Variable Speed Control (IVSC)

IVSC inputs, outputs, LED indicators, and connections.

Sequence of Operation

Cooling, Heating, and Defrost Modes

Defrost Control

Sensors and Transducers

Temperature Sensors Data

Pressure Transducer Data

Variable Speed Alert Codes

Alert Code Reference

Comprehensive list of alert codes, descriptions, and possible causes.

Refrigeration Circuits

Heating and Cooling Circuit Diagrams

Load Shedding and Communication

Communication Loss Troubleshooting

Flowchart for diagnosing and resolving communication loss issues.

Troubleshooting Procedures

Breaker Trip and Compressor Start Issues

Flowcharts for breaker trips, compressor start, and verification steps.

Drive and Inverter Troubleshooting

EEV Troubleshooting Flowchart