MRCOOL Signature Series 4 Ton R-454B Multi-Position Air Handler 208/230V MCAEAMPEF48E21AA
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The MRCOOL® Signature Series 48k Multi-Position Air Handler is a powerful and flexible solution for year-round home comfort. Engineered for performance and efficiency, this system works with R-454B refrigerant, offering a more environmentally friendly option that meets modern energy standards without compromising reliability.
Designed to adapt to your space, this air handler supports upflow, downflow, and horizontal installations, making it an ideal fit for a wide range of home layouts. Its compact and streamlined design makes installation easy without sacrificing capacity.
The cabinet exterior is outfitted with galvanized steel built to withstand wear, along with an interior ECM blower motor that delivers steady airflow while helping reduce energy consumption. The copper coils and aluminum fins provide efficient heat transfer, while thermal insulation along the inside of the cabinet helps reduce condensation and improve overall system efficiency.
Setup is straightforward, cutting down on labor time and cost. Maintenance is just as simple, thanks to the air filter rack, and an optional electric heat kit is available for enhanced heating in colder regions.
For added convenience, this system pairs effortlessly with most third-party smart thermostats, giving you full control over your comfort without being tied to a specific platform.
Backed by a 10-year limited parts warranty, the MRCOOL® Signature Series 48k Multi-Position Air Handler delivers reliable, efficient comfort season after season.
Technical Specifications
| Tonnage | 4 Ton |
| CFM | 1549 |
| Voltage | 208/230 V |
| Phase | 1 |
| Frequency | 60 Hz |
| Max Fuse/Breaker | 10 A |
| Min Circuit Ampacity | 7.2 A |
| Refrigerant Type | R-454B |
| Sound Level | 57 dBA |
| Liquid Line Size | 3/8" |
| Suction Line Size | 7/8" |
| Net Dimensions (D×H×W) | 24.5" × 53.125" × 22" |
| Net Weight | 163 lbs |
| Gross Dimensions (D×H×W) | 25.2" × 54.89" × 27.75" |
| Gross Weight | 183 lbs |
Certifications
- UL Listed
- CSA Listed
- ETL Listed
- AHRI Certified
Warranty
- 10 Year Parts Warranty
- Limited Lifetime Compressor Warranty
Product Documentation
- MRCOOL Signature Series Multi-Position Air Handler 4T Installation Manual (PDF)
- MRCOOL Signature Series Multi-Position Air Handler 4T Warranty Document (PDF)
- MRCOOL Signature Series Multi-Position Air Handler 4T Brochure (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.