American Standard 4A7A6060N User Manual

11-AC36D1-7D-EN
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit. Please return to service informa-
tion pack upon completion of work.
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently for the
purchaser’s purposes, the matter should be referred to your installing dealer or local distributor.
Note: The manufacturer recommends installing only approved matched indoor and outdoor systems. Some of the benefits of
installing approved matched indoor and outdoor split systems are maximum efficiency, optimum performance and the best overall
system reliability.
Installation and Operation Manual
Condensing Units
4A7A6018 – 061
Table of Contents
Section 1. Safety ..................................................................................... 2
Section 2. Unit Location Considerations ............................................. 3
Section 3. Unit Preparation.................................................................... 4
Section 4. Setting the Unit ..................................................................... 5
Section 5. Refrigerant Line Considerations ......................................... 5
Section 6. Refrigerant Line Routing ..................................................... 6
Section 7. Refrigerant Line Brazing ...................................................... 7
Section 8. Refrigerant Line Leak Check ............................................... 9
Section 9. Evacuation ............................................................................ 9
Section 10. Service Valves .................................................................. 10
Section 11. Electrical - Low Voltage ................................................... 10
Section 12. Electrical - High Voltage .................................................. 13
Section 13. Start Up.............................................................................. 14
Section 14. System Charge Adjustment............................................. 15
Section 15. Checkout Procedures ...................................................... 20
Section 16. Refrigeration Circuits........................................................20
Section 17. Wiring Diagrams................................................................23
Section 18. Pressure Curves................................................................37

American Standard 4A7A6060N Specifications

General

Brand	American Standard
Model	4A7A6060N
Category	Heat Pump
Language	English

Summary

Safety and Warnings

General Safety and Handling

Essential safety guidelines for installation, operation, and refrigerant handling.

Electrical and Chemical Safety Notices

Warnings related to electrical components and potential chemical exposure.

Installation and Setup

Unit Location and Piping Requirements

Guidelines on unit placement, dimensions, and refrigerant line specifications.

Refrigerant Line Installation Procedures

Steps for setting units, routing, insulating, and brazing refrigerant lines.

System Preparation and Low Voltage Wiring

Steps for brazing, leak checks, evacuation, service valves, and low voltage wiring.

High Voltage Electrical Installation

Requirements for high voltage power supply and disconnect switch.

Operation and Performance

System Start-Up and Charge Adjustment

Procedures for starting the system and adjusting refrigerant charge.

Performance Verification using Pressure Curves

Using charts to verify system performance and pressure readings.

System Checks and Diagrams

Checkout Procedures and Refrigeration Circuits

Checklist for final system checks and diagrams of refrigeration circuits.

Unit Wiring Diagrams

Electrical wiring schematics for various condensing unit models.