American Standard 4A6H5036H User Manual

11-BC26D1-11-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.
Heat Pumps
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. All of the manufacture’s split
systems are AHRI rated only with TXV/EEV indoor systems. Some of the benefits of installing approved matched indoor and out-
door split systems are maximum efficiency, optimum performance and the best overall system reliability.
4A6H5
Installer’s Guide
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 ................................................... 14
Section 13. Start Up .............................................................................. 15
Section 14. System Charge Adjustment ............................................. 16
Section 15. Checkout Procedures and Troubleshooting ................... 23

American Standard 4A6H5036H Specifications

General

Brand	American Standard
Model Number	4A6H5036H
Category	Heat Pump
SEER Rating	16
HSPF Rating	9.0
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Cooling Capacity (BTU/h)	30000
Heating Capacity (BTU/h)	30000
Sound Level (dBA)	72
Cooling Capacity	2.5 Tons
Heating Capacity	2.5 Ton
Compressor Type	Single-Stage

Summary

Safety

Safety Warnings and Precautions

Covers critical safety warnings and precautions for installation and operation.

Unit Location Considerations

Refrigerant Piping Limits

Specifies maximum total length and vertical change for refrigerant lines.

Refrigerant Line Considerations

Line and Valve Connection Sizes

Table detailing refrigerant line and service valve connection sizes for various models.

Refrigerant Line Brazing

Refrigerant Line Brazing Procedure

Step-by-step instructions for preparing and brazing refrigerant lines.

Refrigerant Line Leak Check

Leak Check Procedure

Evacuation

System Evacuation Procedure

Electrical - Low Voltage

Low Voltage Wire Length Limits

Electrical - High Voltage

High Voltage Power Supply Requirements

System Start Up

Start Up Procedure

System Charge Adjustment

Temperature Measurements for Charging

Subcooling Charging (Cooling > 55°F)

Method for charging the system based on subcooling for higher outdoor temperatures.

Subcooling Charging Below 55°F

Weigh-In Method for Charging

Procedure for calculating refrigerant charge using the weigh-in method for low outdoor temperatures.

Checkout and Troubleshooting

Operational and Checkout Procedures

Troubleshooting System Faults

System Fault Diagnosis

A fault chart to help diagnose and resolve system issues based on observed symptoms.