American Standard 4A7A4036N User Manual

11-AC11D1-9E-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.
Condensing Units
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.
4A7A4018 – 060
Table of Contents
Section 1. Safety ..................................................................................... 2
Section 2. Unit Location Considerations ............................................. 3
Section 3. Unit Preparation.................................................................... 5
Section 4. Setting the Unit ..................................................................... 5
Section 5. Refrigerant Line Considerations ......................................... 6
Section 6. Refrigerant Line Routing ..................................................... 7
Section 7. Refrigerant Line Brazing ...................................................... 8
Section 8. Refrigerant Line Leak Check ............................................. 10
Section 9. Evacuation .......................................................................... 11
Section 10. Service Valves .................................................................. 11
Section 11. Electrical - Low Voltage ................................................... 12
Section 12. Electrical - High Voltage .................................................. 15
Section 13. Start Up.............................................................................. 16
Section 14. System Charge Adjustment............................................. 17
Section 15. Checkout Procedures ...................................................... 23
Section 16. Refrigerant Circuits .......................................................... 23
Section 17. Wiring Diagrams ............................................................... 26
Section 18. Pressure Curves ............................................................... 36
Installation and Operation Manual

American Standard 4A7A4036N Specifications

General

Type	Air Conditioner
Model	4A7A4036N
Cooling Capacity	36000 BTU
SEER Rating	16
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Sound Level (Outdoor Unit)	72 dB
Compressor Type	Single Stage

Summary

Section 2. Unit Location Considerations

Refrigerant Piping Limits

Specifies the maximum allowable length and vertical change for refrigerant lines.

Suggested Locations for Best Reliability

Section 7. Refrigerant Line Brazing

Braze The Refrigerant Lines

Step-by-step instructions for brazing refrigerant lines to service valves.

Section 8. Refrigerant Line Leak Check

Check For Leaks

Procedure for pressurizing and checking refrigerant lines for leaks.

Section 9. Evacuation

Evacuate the Refrigerant Lines and Indoor Coil

Steps to evacuate the system to the required micron level.

Section 11. Electrical - Low Voltage

Low Voltage Hook-up Diagrams

Diagrams illustrating low voltage wiring connections for various thermostat and furnace types.

Section 13. Start Up

System Start Up

Step-by-step guide for safely starting up the installed HVAC system.

Section 14. System Charge Adjustment

Temperature Measurements

Subcooling Charging in Cooling

Method for adjusting system charge using subcooling in cooling mode.

Section 15. Checkout Procedures

Operational And Checkout Procedures