MRCOOL Signature Series 3.5 Ton 14.3 SEER2 R-454B AC Condenser 208/230V MCAESAS4T4221AA
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The MRCOOL® Signature Series 42k Cooling Only Condenser is built to provide reliable, energy-efficient cooling for homeowners who want dependable performance and lower utility bills. With a 14.3 SEER2 and 11.7 EER2 rating, this system offers consistent comfort while keeping energy consumption in check, making it a great fit for both replacement projects and new installations.
Pre-charged with environmentally friendly R-454B refrigerant, this unit complies with modern environmental regulations while maintaining strong cooling capacity and dependable performance.
At the heart of the system is a durable scroll compressor, engineered to deliver steady, reliable operation over time with minimal wear. To further enhance performance, the unit is equipped with inner-groove copper tubing, which maximizes surface area and significantly improves thermal conductivity and heat transfer efficiency.
Despite its robust output, the system operates at a low 65 decibels. A sound-dampening top minimizes operational noise without limiting airflow, making this unit ideal for installation in residential areas. For added durability, it features a steel louver coil guard and wire fan discharge grille which offer strong protection for critical internal components.
The unit's compact, lightweight design makes it easy to position in tight spaces, with sweat connection valves and an easy-access gauge port streamlining installation and ongoing maintenance. MRCOOL® offers a 10-year limited parts warranty and a limited lifetime compressor warranty for dependable long-term value.
Technical Specifications
| Cooling Capacity | 39000 BTU |
| Tonnage | 3.5 Ton |
| SEER2 | 14.3 |
| EER2 | 11.7 |
| CFM | 2950 |
| Voltage | 208/230 V |
| Phase | 1 |
| Frequency | 60 Hz |
| Max Fuse/Breaker | 45 A |
| Min Circuit Ampacity | 26 A |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 114.6 oz |
| Sound Level | 65 dBA |
| Min Ambient Temp (Cooling) | 59°F |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Max Lineset Length | 150 ft |
| Net Dimensions (D×H×W) | 29.14" × 32.875" × 29.14" |
| Net Weight | 185 lbs |
| Gross Dimensions (D×H×W) | 30.3" × 34.8" × 30.3" |
| Gross Weight | 195 lbs |
Certifications
- UL Listed
- CSA Listed
- ETL Listed
- AHRI Certified
Warranty
- 10 Year Parts Warranty
- Limited Lifetime Compressor Warranty
Product Documentation
- MRCOOL Signature Series AC Condenser 3.5T Installation Manual (PDF)
- MRCOOL Signature Series AC Condenser 3.5T Warranty Document (PDF)
- MRCOOL Signature Series AC Condenser 3.5T Brochure (PDF)
- MRCOOL Signature Series AC Condenser 3.5T AHRI Certification (PDF)
- MRCOOL Signature Series AC Condenser 3.5T Energy Guide (PDF)
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.