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General| Brand | American Standard |
|---|---|
| Model | 4A6V0024A1000B |
| Category | Air Conditioner |
| Language | English |
Warning about severe personal injury or death from electrical shock.
Hazards associated with refrigerant oil and system handling.
Warning about high-pressure refrigerant and potential injury.
Importance of proper grounding for safety and equipment protection.
Warning about abrupt release of system charge from service valves.
Importance of brazing for refrigerant line joints.
Warning about electrical shock hazards from leakage current.
Warning about high voltage and safe servicing procedures.
Management of the unit by the IVSC.
How the system operates in cooling mode.
Cooling operation specific to heat pumps.
How the system operates in heating mode.
System behavior during defrost cycles.
How demand defrost is initiated and managed.
Conditions and logic for initiating defrost.
Alerts for control failures and temperature sensor issues.
Alerts related to defrost and high-pressure monitoring.
Alerts for ground faults, communication issues, and external shutdowns.
Alerts for PM, EEV, low charge, and unit bus communication issues.
Alerts for limp mode operation and drive current issues.
Alerts indicating DC voltage irregularities.
Alerts for power module and supply voltage problems.
Alerts for gate drive, motor, and rotation issues.
Alerts for initialization, startup, and sensor range errors.
Alerts for protection algorithm and general faults.
Alerts related to derating due to temperature and lubrication issues.
Alerts for MOC protection and evacuation mode.
Alerts for drive diagnostics and configuration errors.
Alerts for voltage irregularities and bus communication issues.
Alerts related to superheat and suction pressure sensor errors.
Step-by-step guide for troubleshooting breaker trips.
Flowchart for diagnosing compressor startup issues.
