American Standard HVAC YCX024G1L-M Manual

The American Standard YCX024G1L-M is a high-efficiency residential air conditioning system designed for reliable cooling performance. This 2-ton unit features a scroll compressor, corrosion-resistant coil, and meets ENERGY STAR® requirements. Below are key sections covering safety, features, installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Guidelines 3. First-Time Startup 4. Specifications 5. Controls and Settings 6. Connecting to Thermostat 7. Operating Modes 8. Maintenance Procedures 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Scroll compressor, aluminum coil with Spine Fin™ technology, sound-reducing top, weather-resistant cabinet.

Feature	Description
Compressor Type	Scroll compressor for quiet, efficient operation
Coil Technology	Aluminum Spine Fin™ coil for corrosion resistance
Sound Reduction	Sound-reducing top and fan design
Cabinet	Galvanized steel with baked-on powder paint
Refrigerant	R-410A, environmentally friendly
Electrical Connection	Quick-connect terminals
Service Valves	Front-access service valves
Filter Drier	Replaceable core filter drier
Drain Connection	3/4" PVC female thread
Warranty	Limited 10-year parts warranty

Installation Guidelines

Unpack and inspect unit for shipping damage. Select appropriate location.

Position unit: Place on level concrete pad or approved mounting system.
Connect refrigerant lines: Use clean, dehydrated copper tubing of correct size.
Connect electrical: Follow local codes; connect to disconnect switch and thermostat.
Connect condensate drain: Install 3/4" PVC pipe with proper slope.
Evacuate and charge: Evacuate system to 500 microns; charge with R-410A.

WARNING! Installation must be performed by qualified HVAC technician. Disconnect all power before servicing.

First-Time Startup

After installation, perform initial startup procedure.

Verify installation: Check all connections, refrigerant charge, and electrical.
Set thermostat: Place in OFF position before restoring power.
Restore power: Turn on disconnect switch and indoor unit power.
Test operation: Set thermostat to COOL mode, set temperature below room temp.
Check performance: Verify proper airflow, temperature drop, and condensate drainage.

CAUTION! Do not operate without proper refrigerant charge. Ensure condensate drain is clear.

Specifications

Model: YCX024G1L-M
Cooling Capacity: 24,000 BTU/H (2 tons)
SEER Rating: Up to 16 SEER
Refrigerant: R-410A
Electrical Data: 208/230V, 1 phase, 60 Hz
Compressor: Scroll type
Fan Motor: Permanent split capacitor
Operating Ambient: 55°F to 115°F
Sound Level: As low as 72 dB
Dimensions: 31" H x 31" W x 31" D
Shipping Weight: 168 lbs

Controls and Settings

Primary control through connected thermostat. Unit includes high and low pressure switches, compressor protection, and fan delay.

Thermostat Settings: COOL, OFF, FAN AUTO/ON modes. Temperature setpoint adjustment.

Unit Controls: No user-serviceable controls inside unit. All adjustments must be made at thermostat or by qualified technician.

LED Indicator: Green LED indicates unit has power. Blinking patterns indicate specific fault codes.

Connecting to Thermostat

Compatible with most 24V thermostats. Standard connections: R, C, Y, G, O/B.

Turn off power at disconnect switch and indoor unit.
Remove thermostat cover and connect wires per wiring diagram.
Match colors: R (24V), C (Common), Y (Compressor), G (Fan), O/B (Reversing valve for heat pump).
Secure connections and replace cover.
Restore power and test operation.

Tip: Use thermostat with compatible features for optimal performance.

Operating Modes

Unit operates based on thermostat settings.

Cooling Mode: Thermostat calls for cooling, compressor and fan activate.
Fan Only: Indoor fan operates without compressor for air circulation.
Off: System completely off.
Automatic Fan: Fan operates only when cooling is needed.
Continuous Fan: Fan runs continuously regardless of cooling demand.

WARNING! Do not switch between modes rapidly. Allow 5 minutes between cycles.

Maintenance Procedures

Regular maintenance ensures efficiency and longevity.

Monthly: Check and replace air filters in indoor unit.
Seasonal: Clean outdoor coil with gentle water spray (power off).
Annual: Professional inspection including refrigerant charge, electrical connections, and coil cleaning.
Winter: Cover unit during off-season to prevent debris accumulation.

CAUTION! Always disconnect power before performing any maintenance.

Regulatory Information

UL listed and complies with applicable safety standards. EPA refrigerant handling certification required for service. ENERGY STAR® qualified. Manufactured to meet AHRI standards. For support, contact American Standard at 1-800-428-4328 or visit www.americanstandardair.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Unit not running	Power loss, thermostat setting	Check disconnect switch, circuit breaker, thermostat settings.
Poor cooling	Dirty filter, low refrigerant	Replace air filter, check for blocked condenser, call for service.
Unit cycles on/off rapidly	Dirty coil, improper charge	Clean outdoor coil, check refrigerant charge.
Ice on refrigerant lines	Low airflow, low charge	Check filter, indoor coil, blower operation.
Unusual noises	Loose parts, debris	Turn off unit, check for loose panels or debris in fan.
Water leakage	Clogged drain line	Clear condensate drain line, check drain pan.

Reset: Turn thermostat to OFF, wait 5 minutes, return to COOL.

Service: 1-800-428-4328; www.americanstandardair.com