American Standard 4A7A6036N - 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

Summary

Section 1. Safety

General Safety Warnings and Precautions

Covers warnings on electrical hazards, refrigerant handling, user capabilities, and chemical exposure.

Section 5. Refrigerant Line Considerations

Refrigerant Line and Service Valve Connection Sizes

Refrigerant Line Insulation

Section 7. Refrigerant Line Brazing

Braze The Refrigerant Lines

Step-by-step instructions for brazing refrigerant lines with nitrogen purge.

Section 8. Refrigerant Line Leak Check

Check For Leaks

Procedures for pressurizing and testing refrigerant lines for leaks.

Section 9. Evacuation

Evacuate the Refrigerant Lines and Indoor Coil

Steps for evacuating the system to the required micron level.

Section 11. Electrical - Low Voltage

Low Voltage Maximum Wire Length

Low Voltage Hook-up Diagrams

Wiring diagrams for thermostat and air handler connections.

Section 12. Electrical - High Voltage

High Voltage Power Supply

Safety and compliance notes for high voltage power supply.

High Voltage Disconnect Switch

High Voltage Ground

Section 13. Start Up

System Start Up

Step-by-step procedure for starting the system after installation.

Section 14. System Charge Adjustment

Temperature Measurements

Subcooling Charging in Cooling (Above 55° F Outdoor Temp.)

Detailed procedure for subcooling charge adjustment based on line length and lift.

Section 15. Checkout Procedures

Operational And Checkout Procedures

Section 16. Refrigeration Circuits

Section 17. Wiring Diagrams

Wiring Diagram - Models 024 N & 036 N

Wiring Diagram - Model 048 N

Wiring Diagram - Model 060 N

Wiring Diagram - Models 018 J - 030 J & 036 J - 048 J

Wiring Diagram - Model 035 J

Wiring Diagram - Models 049 J & 061 C

Wiring Diagram - Models 060 J & 060 K

Section 18. Pressure Curves

Pressure Curves - Page 37 Models

Charts for checking cooling performance for models 4A7A6024N1, 4A7A6036N1, 4A7A6048N1.

Pressure Curves - Page 38 Model

Charts for checking cooling performance for model 4A7A6060N1.

Pressure Curves - Page 39 Model

Charts for checking cooling performance for model 4A7A6018J1.

Pressure Curves - Page 40 Models

Charts for checking cooling performance for models 4A7A6024J1 through 4A7A6049J1.

Pressure Curves - Page 41 Models

Charts for checking cooling performance for models 4A7A6060J1, 4A7A6061C1.

Pressure Curves - Page 42 Model

American Standard 4A7A6036N Specifications

General

Brand	American Standard
Model	4A7A6036N
Category	Heat Pump
Language	English