Mitsubishi PLA-AE48NL – 48,000 BTU Four-Way Ceiling-Cassette Indoor Unit

Experience dependable, high-capacity cooling performance with the Mitsubishi PLA-AE48NL, a commercial-grade ceiling-cassette indoor unit engineered for large retail, office, classroom, and hospitality environments. Designed for spaces requiring powerful, evenly distributed airflow, it pairs with the PUY-AK48NL outdoor unit for robust cooling-only operation.

Slim, Discreet Design

Measuring 33-1/16″ × 33-1/16″ × 11-3/4″ , this low-profile cassette fits standard ceiling grids and delivers four-way, customizable airflow patterns. Individual vane settings allow direct, indirect, or variable airflow configurations, ideal for comfort tuning in diverse room layouts. Airflow output ranges from 740 to 1,200 CFM , ensuring coverage for large, open environments.

Smart, Efficient Operation

Equipped with Mitsubishi’s 3D i-see Sensor® , the optional PLP-41EAEU panel scans the room to determine temperature distribution and occupant locations, automatically adjusting airflow and reducing energy consumption. The inverter-driven DC fan motor offers multiple speeds with quiet operation from 34–45 dB(A) .

Commercial-Duty Cooling Performance

The PLA-AE48NL delivers powerful cooling with a rated capacity of 48,000 BTU/h and a maximum capacity of 49,000 BTU/h . The system maintains operation in outdoor temperatures up to 115°F , and—when paired with advanced wind baffles—enables cooling down to –40°F , making it ideal for demanding climates and mission-critical environments.

Advanced Indoor Air Quality

A washable, easy-access filter comes standard, with an optional high-efficiency filter available when using the multi-function casement. The built-in condensate lift mechanism allows for vertical drainage up to 33-15/32″ , reducing installation constraints. A filter-indicator signal alerts users when maintenance is required.

Smart & Flexible Control

Supports a wide range of wired and wireless MA-series remote controllers, third-party thermostat interfaces, and the Comfort App via wireless adapters. Compatible accessories include RedLINK, BACnet/Modbus interface modules, Procon gateways, and remote temperature sensors for enhanced control flexibility.

Durable & Dependable

Designed for light-commercial applications, the PLA-AE48NL features a space-efficient, ductless installation footprint with four-direction piping/wiring access . When paired with the PUY-AK48NL outdoor unit, Blue Fin coil coating and full seacoast protection provide corrosion resistance suited for coastal and industrial environments.

Warranty & Certification

Rated with 19.4 SEER2 and 10.4 EER2 , the PLA-AE48NL system offers strong efficiency for its class. A manufacturer’s limited warranty applies (installation and registration required). Ideal for high-demand environments such as classrooms, retail floors, conference centers, and other large commercial spaces requiring reliable, evenly distributed cooling.