American Standard HVAC 5A7A7024A1000A Manual

The American Standard 5A7A7024A1000A is a high-efficiency residential air conditioner unit designed for reliable cooling performance. This manual covers essential information for safe installation, operation, maintenance, and troubleshooting of the unit. Key sections include specifications, installation guidelines, wiring diagrams, startup procedures, maintenance schedules, and error code diagnostics.

Features at a Glance

Key components: High-efficiency scroll compressor, corrosion-resistant coil, weatherproof cabinet, integrated control board, refrigerant connections, and service valves.

Installation Guidelines

Unpack and inspect unit for shipping damage. Select a level, stable outdoor location with proper clearance.

1. Prepare the pad: Install on a level concrete pad or approved mounting system.
2. Position the unit: Ensure minimum clearances (24 inches on all sides, 48 inches above).
3. Connect refrigerant lines: Braze lines using nitrogen purge to prevent oxidation.
4. Connect electrical: Run dedicated power and control wiring per local codes.
5. Connect condensate drain: Ensure proper drainage away from the unit.

WARNING! Installation must be performed by a qualified HVAC technician. Follow all safety codes and refrigerant handling regulations.

First-Time Startup

After installation, perform system startup and check.

1. Power on: Ensure disconnect switch and indoor unit are powered.
2. Check refrigerant charge: Use manifold gauges to verify correct superheat/subcooling.
3. Test operation: Set thermostat to cooling mode, verify compressor and fan operation.
4. Measure performance: Check temperature drop across evaporator coil (typically 15-20°F).
5. Inspect for leaks: Use electronic leak detector or soap solution on all connections.

CAUTION! Do not operate without proper refrigerant charge. Ensure electrical connections are tight and secure.

Specifications

• Model: 5A7A7024A1000A
• Cooling Capacity: 2 Tons (24,000 BTU/H)
• Refrigerant Type: R-410A
• Electrical Data: 208/230V, 1 Phase, 60 Hz
• Minimum Circuit Ampacity: 15 Amps
• Maximum Overcurrent Protection: 25 Amps
• Sound Level: 72 dB(A) at 3 ft
• SEER Rating: Up to 16 SEER
• Operating Ambient Temp: 55°F to 115°F
• Net Weight: 150 lbs

Controls and Settings

Primary control is through the connected thermostat. Unit has an integrated control board with LED status indicator.

Thermostat Settings: COOL, OFF, FAN (AUTO/ON). Set desired temperature.

Unit Control Board LED: Steady green = normal operation. Flashing patterns indicate specific status or fault conditions (see Troubleshooting).

Dip Switches (if applicable): May be used to configure fan delay, compressor protection timers. Refer to wiring diagram for default settings.

Electrical Connections

Connect power and control wiring at the unit's service panel.

1. Turn off all power at the main disconnect before servicing.
2. Run line voltage (L1, L2, Ground) to the contactor terminals.
3. Run low-voltage control wires (typically 24V: R, C, Y, G) from the indoor unit/thermostat.
4. Secure all connections with appropriate wire nuts or terminal blocks.
5. Install properly sized fuses or circuit breakers as required by local code.

Tip: Use copper conductors only. Ensure wire size meets NEC requirements for run length and ampacity.

Operation and Maintenance

For optimal performance and longevity, follow regular maintenance schedule.

1. Monthly: Visually inspect unit for debris, damage, or unusual noise.
2. Seasonal (Spring): Clean outdoor coil with a garden hose (from inside out). Clean condensate drain line.
3. Annual: Schedule professional maintenance. Technician should check refrigerant charge, electrical components, capacitor health, and system pressures.
4. Filter Maintenance: Replace indoor air filter every 1-3 months as needed.
5. Winterizing: If in a cold climate, consider a protective cover to prevent ice/snow damage (do not operate with cover on).

WARNING! Always turn off power before performing any maintenance. Do not attempt to service refrigerant system without proper certification.

Safety Features

High Pressure Switch: Cuts power to compressor if discharge pressure is excessive. Low Pressure Switch: Protects compressor from low refrigerant charge or restriction. Compressor Overload: Internal thermal protection. Time Delay: Prevents short cycling of the compressor (typically 5-minute delay).

Care & Cleaning

Keep the outdoor unit clear of leaves, grass, snow, and debris. Clean the coil annually with water only. Do not use pressure washers or chemical cleaners on the coil fins.

CAUTION! Do not bend or damage the delicate aluminum fins. Straighten any bent fins with a fin comb.

Regulatory Information

This equipment is designed to comply with applicable UL and CSA standards. The refrigerant circuit contains R-410A, which must be recovered by EPA-certified technicians. This product may be covered by one or more U.S. patents. For technical support or warranty service, contact American Standard Heating & Air Conditioning at 1-800-628-8312 or visit www.americanstandardair.com.

Troubleshooting

Reset: Turn thermostat to OFF, turn off power at disconnect for 1 minute, then restore power and reset thermostat.

Service: 1-800-628-8312; www.americanstandardair.com