American Standard HVAC YCC036F-M Manual

The American Standard YCC036F-M is a high-efficiency, single-stage, 3-ton residential air conditioning condensing unit designed for outdoor installation. It features a durable, weather-resistant cabinet, scroll compressor technology, and compatibility with American Standard matched indoor coils and air handlers for optimal performance. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Weather-resistant galvanized steel cabinet, High-efficiency scroll compressor, Copper tube/aluminum fin coil, Liquid and suction line service valves, Low-pressure and high-pressure switches, Fan motor with permanent capacitor.

Installation

Unpack and inspect for shipping damage. Select a suitable outdoor location.

1. Location: Place on a level, stable pad (concrete or composite) with adequate clearance (min 24" on all sides, 48" above). Ensure proper drainage and airflow.
2. Electrical Connection: Disconnect all power. Run correctly sized copper conductors from disconnect to unit terminal block (L1, L2). Install a fused disconnect per NEC codes. Ground the unit per local codes.
3. Refrigerant Lines: Connect pre-sweated, dehydrated, and insulated refrigerant linesets from indoor unit to outdoor service valves. Use nitrogen purge while brazing.
4. Condensate Drain: Ensure indoor unit condensate line is properly installed and trapped.

WARNING! Installation and servicing of air conditioning equipment can be hazardous. Only trained, qualified personnel should install, repair, or service this equipment. Follow all safety codes and wear appropriate PPE. Handle refrigerant responsibly.

First-Time Setup & Startup

After installation, perform the following startup procedure.

1. Pre-Start Check: Verify all electrical connections are tight. Ensure refrigerant lines are connected, insulated, and not rubbing. Check that the condenser coil is clean and unobstructed.
2. Evacuation & Charging: Evacuate the refrigerant circuit to 500 microns or less. Charge the system with the specified amount of R-410A as listed on the unit rating plate. Use liquid charge into the suction line service port with system off.
3. Thermostat Setup: Install compatible thermostat. Set system mode to COOL, fan to AUTO. Set desired temperature.
4. Power On & Test: Restore power at disconnect and indoor unit. Turn system on at thermostat. Verify compressor and fan start. Check operating pressures and superheat/subcooling per manufacturer's specifications. Listen for unusual noises.

CAUTION! Do not operate without correct refrigerant charge. Incorrect charge can damage the compressor. Verify airflow across indoor coil is correct (typically 400 CFM per ton).

Specifications

• Cooling Capacity: 36,000 BTU/h (3 Tons).
• SEER Rating: Up to 16 SEER (when paired with matched indoor unit).
• Electrical Data: 208/230V, 1 Phase, 60 Hz. Minimum Circuit Ampacity: 19.0. Maximum Overcurrent Protection: 25A.
• Refrigerant: R-410A. Factory Charge: See unit rating plate. Required Charge for Linesets > 15 ft.
• Operating Ambient Temp Range: 55°F to 115°F (13°C to 46°C).
• Sound Level: Approximately 72 dB(A) at 3 ft.
• Liquid Line Connection: 3/8" SAE flare.
• Suction Line Connection: 3/4" SAE flare.
• Net Weight: Approx. 185 lbs (84 kg).
• Compliance: UL 1995, CSA C22.2.

Controls and Settings

Primary control is via the indoor thermostat. The outdoor unit contains a control board with status LED and protective devices.

Thermostat: Set MODE (COOL, OFF), FAN (AUTO, ON), and desired temperature. Advanced settings may include compressor short-cycle protection.

Outdoor Unit Controls: - LED Indicator: Flashing patterns indicate normal operation or fault codes (see Diagnostics section). - Time Delay: Built-in 5-minute time delay protects compressor after power interruption or cycle. - Pressure Switches: Automatically shut off compressor on low or high refrigerant pressure. - Compressor Overload: Internal protector.

No user-adjustable settings are located on the outdoor unit. All adjustments must be made via proper installation, charging, and thermostat configuration.

Connecting to Indoor Unit

This unit must be connected to a matched American Standard indoor coil or air handler.

1. Turn off all power to indoor and outdoor units.
2. Run correctly sized, insulated refrigerant lineset between units. Keep lines as straight and short as possible.
3. Connect low-voltage control wires (typically 18 AWG) from the indoor unit control board to the outdoor unit terminal block (Y, C, possibly O/B for heat pump variants). Refer to indoor unit wiring diagram.
4. Ensure the condensate drain line from the indoor coil is properly installed, pitched, and trapped.
5. After connections, evacuate and charge the system as one sealed circuit.

Tip: Always refer to the installation instructions for both the indoor and outdoor units for specific wiring and piping requirements. Mismatched systems can reduce efficiency and cause failure.

Operation & Maintenance

For normal operation, set thermostat to COOL and desired temperature. The unit will cycle automatically.

1. Regular Maintenance (by Homeowner): Keep area around outdoor unit clear of leaves, grass, snow (at least 24 inches). Gently clean exterior coil surface with a garden hose (power off) if visibly dirty.
2. Professional Annual Maintenance: Should be performed by a qualified technician. Includes: Inspect electrical connections, Check refrigerant charge and pressures, Clean indoor and outdoor coils, Check and calibrate thermostat, Inspect condensate drain, Lubricate motors if required (most are permanently lubricated), Check system controls and safety devices.
3. Off-Season: It is not necessary to cover the unit. Ensure the top discharge is not blocked.

WARNING! Always turn off power at the disconnect switch before performing any cleaning or maintenance near the unit. Do not insert fingers or objects into the fan grille.

Diagnostics & Alerts

The control board has an LED that flashes to indicate status. Count the number of flashes during the "ON" part of the flash cycle.

Reset: Many lockouts will auto-reset after a period (e.g., 1 hour). Power cycling the unit may also clear a transient fault. Persistent faults require professional diagnosis.

Care & Cleaning

Keep the outdoor coil clean for maximum efficiency.

1. Turn OFF power to the unit at the disconnect.
2. Remove any large debris (leaves, twigs) from around and inside the cabinet.
3. Use a garden hose with a gentle spray to rinse the coil from the inside out (reverse of airflow). Do not use a high-pressure washer.
4. Straighten any bent coil fins with a fin comb.
5. Ensure the fan blades are clean and undamaged.

CAUTION! Do not use chemical coil cleaners unless recommended by American Standard, as they may damage the coating. Never use steam or excessive force.

Regulatory Information

This product complies with applicable U.S. safety and performance standards. The refrigerant, R-410A, has zero ozone depletion potential but is a potent greenhouse gas. Federal law requires that refrigerant be recovered by certified technicians during service or disposal. This equipment contains materials that may be recyclable. Check with local authorities for proper disposal procedures. For warranty service, contact your installing dealer or American Standard at 1-800-926-9667. Product information and manuals: www.americanstandardair.com.

Troubleshooting

Service: For all technical and warranty service, contact your local American Standard Dealer or American Standard Customer Care at 1-800-926-9667. Do not attempt to repair refrigerant system components yourself.