The American Standard 4A7V0060A1000B is a high-efficiency, variable-speed air conditioner or heat pump unit designed for residential use. This manual covers the AccuComfort™ Platinum 20 model with up to 20 SEER rating, featuring two-stage cooling, variable-speed operation, compatibility with communicating thermostats, corrosion-resistant Spine Fin™ coil, sound reduction system, and durable Climatuff™ compressor. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.
Key components: Outdoor unit with Spine Fin™ coil, Climatuff™ compressor, variable-speed fan motor, sound reduction cabinet, electrical connections, refrigerant service valves.
| Feature | Description |
|---|---|
| Compressor | Climatuff™ variable-speed for efficiency and quiet operation |
| Coil | Corrosion-resistant Spine Fin™ aluminum coil |
| Fan Motor | Variable-speed ECM for precise airflow control |
| Sound Reduction | Insulated cabinet and fan design for quiet operation |
| Refrigerant | R-410A, environmentally friendly |
| Communication | Compatible with American Standard AccuLink™ communicating thermostats |
| Electrical | 240V AC, 60Hz power supply |
| Controls | Two-stage cooling, variable capacity operation |
| Warranty | Limited parts warranty (refer to documentation) |
| Dimensions | Check specification sheet for exact measurements |
Unpack and inspect unit for shipping damage. Select appropriate location.
WARNING! Installation must be performed by qualified HVAC technician. High voltage present. Follow all local codes.
After installation, perform system commissioning.
CAUTION! Do not operate without proper refrigerant charge. Allow system to complete startup cycle.
Primary control via thermostat. Unit has LED status light on control board.
Thermostat Settings: Mode (Cool, Heat, Auto, Off), Fan (Auto, On), Temperature setpoints, Schedules (if programmable).
Unit Status Light: Green = normal operation; Flashing = diagnostic code (see troubleshooting).
Advanced Settings (via thermostat or service tool): Compressor speed settings, fan delay, staging parameters, communication setup.
Compatible with AccuLink™ communicating thermostats or conventional 24V thermostats.
Tip: Use thermostat compatible with variable-speed systems for full functionality.
Select mode via thermostat.
WARNING! Do not switch between heating and cooling rapidly. Allow system to complete cycle.
Regular maintenance ensures efficiency and longevity.
CAUTION! Turn off power before any maintenance. Coil fins are sharp.
Outdoor unit: Clean coil with garden hose (no detergents). Keep fins straight. Indoor unit: Replace filter regularly. Keep drain line clear.
CAUTION! Do not use pressure washer on coil. Do not bend fins. Electrical components are not user-serviceable.
UL listed. Meets DOE efficiency standards. Refrigerant handling requires EPA Section 608 certification. This product contains fluorinated greenhouse gases. For support, contact American Standard at 1-800-628-8313 or visit www.americanstandardair.com.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Unit not running | Power, thermostat, disconnect | Check circuit breaker, disconnect switch, thermostat settings/batteries. |
| Reduced cooling/heating | Dirty filter, blocked coil, low charge | Clean/replace filter; clear debris around outdoor unit; call for service. |
| Unusual noise | Loose parts, debris in fan | Turn off power; check for loose panels, remove debris from fan; call for service if internal. |
| Ice on coils | Dirty filter, low airflow, low charge | Turn system off; replace filter; check registers; call for service. |
| Status light flashing | Fault code | Count flashes; refer to fault code chart in service manual or call technician. |
Reset: Turn off thermostat and disconnect power for 5 minutes, then restore.
Service: 1-800-628-8313; www.americanstandardair.com