Goodman ComfortNet ASXC160601BC

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Summary

Service Instructions

Safe Refrigerant Handling

Product Design - Condensing Unit

Scroll Compressor Design

Explains the operation and characteristics of Scroll compressors.

Product Design - Capacity Control

ComfortNet Capacity Control Operation

Details how ComfortNet™ models control capacity via an unloader solenoid.

Product Design - Unitary Control (UC) PCB

UC PCB Description and Functionality

Explains the UC PCB's role in communicating systems and its support for legacy inputs.

System Operation - Cooling Cycle

Cooling Cycle Principles

Explains the R-410A refrigerant cycle and basic refrigeration principles.

Cooling Cycle Operation (Communicating Thermostat)

Describes how the system operates in cooling mode with a ComfortNet thermostat.

System Operation - Defrost Cycle

Defrost Cycle Control and Timing

Troubleshooting Chart

Cooling;HP Analysis Guide

A chart correlating symptoms, possible causes, and remedies for cooling/heat pump issues.

Servicing - Checking Voltage

Servicing - Network Troubleshooting

Communications Troubleshooting Chart

A chart to troubleshoot network issues using LED indicators and error codes.

Servicing - LED Diagnostic Codes

7 Segment LED Display Codes

Servicing - PCBJA101;PCBJA102 Diagnostic Codes

Diagnostic Codes for PCBJA101;PCBJA102

Details diagnostic codes, possible causes, and corrective actions for PCBJA101/PCBJA102.

Servicing - PCBJA101;PCBJA102 Diagnostic Codes (Continued)

Diagnostic Codes for PCBJA101;PCBJA102 (Continued)

Continues the list of diagnostic codes, possible causes, and corrective actions.

Servicing - PCBJA104 Diagnostic Codes

Diagnostic Codes for PCBJA104

Details diagnostic codes, possible causes, and corrective actions for PCBJA104.

Servicing - PCBJA104 Diagnostic Codes (Continued)

Diagnostic Codes for PCBJA104 (Continued)

Continues the list of diagnostic codes, possible causes, and corrective actions.

Servicing - Copeland Comfort Alert Diagnostics

UC Control Diagnostics

Servicing - Unitary Diagnostic Codes (PCBHR101-103)

Diagnostic Codes for PCBHR101-103

Lists symptoms, LED codes, faults, causes, and corrections for specific control boards.

Servicing - Unitary Diagnostic Codes (PCBHR101-103) (Continued)

Diagnostic Codes for PCBHR101-103 (Continued)

Continues the list of diagnostic codes, possible causes, and corrective actions.

Servicing - Unitary Diagnostic Codes (PCBHR104;PCBHR105)

Unitary Diagnostic Codes Table

Lists diagnostic conditions indicated by 7-segment LED displays (DS1, DS2).

Servicing - Unitary Diagnostic Codes (PCBHR104)

Diagnostic Codes for PCBHR104

Details diagnostic codes, possible causes, and corrective actions for PCBHR104.

Servicing - Unitary Diagnostic Codes (PCBHR104) (Continued)

Diagnostic Codes for PCBHR104 (Continued)

Continues the list of diagnostic codes, possible causes, and corrective actions.

Servicing - Unitary Diagnostic Codes (PCBHR105)

Diagnostic Codes for PCBHR105

Details diagnostic codes, possible causes, and corrective actions for PCBHR105.

Servicing - Unitary Diagnostic Codes (PCBHR105) (Continued)

Diagnostic Codes for PCBHR105 (Continued)

Continues the list of diagnostic codes, possible causes, and corrective actions.

Servicing - Checking Emerson ECM Motors

ECM Motor Description

Servicing - Emerson UltraCheck-EZ Diagnostic Tool

Using the UltraCheck-EZ Diagnostic Tool

Servicing - ECM CFM Adjustments (AVPTC;MBVC)

Cooling Airflow Dipswitches

Airflow Adjust Dipswitches

Ramping Profile Dipswitches

Servicing - AVPTC Speed and Airflow Settings

AVPTC Speed Selection Dip Switches

Servicing - Checking Compressor

Hermetic Compressor Terminal Safety

Highlights safety warnings related to hermetic compressor terminals and potential hazards.

S-17 A Resistance Test

Explains how to test compressor windings for continuity using an ohmmeter.

S-17 B Ground Test

Details how to test for ground faults in the compressor circuit.

Servicing - Unloader Test Procedure

Unloader Test Procedure with Comfort Alert

Servicing - Compressor Operation Test

Servicing - Reversing Valve and Solenoid Check

Servicing - Testing Defrost Control

Servicing - Testing Temperature Sensors

Temperature Sensor Testing Procedure

Servicing - Electronic Blower;Heater Control

Control Description and Features

Servicing - Motor Control Circuit Troubleshooting

Servicing - Data Line Voltage and Bias Switches

Servicing - Checking Heater Limit Controls

Servicing - Checking Heater Fuse Link

Servicing - Checking Heater Elements

Servicing - Refrigeration Repair Practice

Brazing Materials

Discusses proper brazing techniques and materials for refrigeration systems.

Servicing - Leak Testing

Servicing - Evacuation

Servicing - Charging

Servicing - Checking Compressor Efficiency

Servicing - System Charging and Refrigerant

Refrigerant Pressure Warnings

Warns about refrigerant pressure and proper handling procedures.

Expansion Valve System Charging

Details how to charge systems with TXVs.

Servicing - Superheat

Checking Superheat

Explains how to check superheat and provides a formula and example.

Servicing - Checking Subcooling

Servicing - Expansion Valve Operation Check

Servicing - Checking Restricted Liquid Line

Servicing - Overcharge of Refrigerant

Servicing - Non-Condensables

Servicing - Compressor Burnout

Burnout Diagnosis and Cleanup

Describes how to diagnose compressor burnout and the cleanup process.