MCAEAMPEF48E21AA
NON DIY - Licensed HVAC Installation
Description
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. When you’re dealing with limited space, its compact and streamlined design makes installation easy without sacrificing capacity. The galvanized steel cabinet exterior is built to withstand wear, while the ECM blower motor delivers steady airflow and helps reduce energy consumption. The copper “A” coils with aluminum fins provide efficient heat transfer, while thermal insulation inside the cabinet reduces condensation accumulation and improves overall efficiency. Setup is straightforward, minimizing 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.
Find the Brochure HERE.
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Key Specs
Capacity: 48k (≈4 ton)
Refrigerant: R-454B (eco-friendly, modern standard)
Configuration: Multi-position (upflow, downflow, horizontal)
Design: Compact and streamlined for easy installation in tight spaces
Cabinet: Durable galvanized steel exterior
Blower Motor: High-efficiency ECM
Coil: Copper “A” coils with aluminum fins for effective heat transfer
Insulation: Internal thermal insulation reduces condensation, energy loss & noise
Filter: Built-in air filter rack for quick maintenance
Heat Option: Compatible with optional electric heat kit for colder climates
Thermostat Compatibility: Works with most third-party smart thermostats
Warranty: 10-year limited parts warranty
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Compatibility
Signature Split System Heat Pump 48k 4 Ton R-454B 230V
Signature Split System Air Conditioner 48k 4 Ton R-454B 230V
Heat Kits for Signature Series R454B
Disclaimer:
The compatibility information provided in this article is specific to units within the same series. While additional compatibility with other series and units may exist, it is not detailed here. For further assistance or confirmation of compatibility with other systems, please contact MRCOOL support.
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Warranty
The MRCOOL warranty provides comprehensive coverage for your unit when installed by a licensed professional.
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Quick Links
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📞 (270) 366-0457
📧 support@mrcool.com
📝 Submit a support ticket
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