Mitsubishi PLA-AE18NL 18,000 BTU Four-Way Ceiling Cassette Indoor Unit (w/ 3D Sensor Grille) - R454B

Mitsubishi PLA‑AE18NL & PLP‑41EAEU – 18,000 BTU R‑454B Ceiling Cassette Indoor Unit with 3D i-See Sensor Grille

The Mitsubishi PLA‑AE18NL four‑way ceiling cassette delivers efficient 18,000 BTU heating and cooling for single‑zone applications. Ideal for commercial and large residential spaces up to ~750 sq ft, this unit uses environmentally friendly R‑454B refrigerant and operates quietly and reliably all year long. Paired with the PLP‑41EAEU 3D i‑See Sensor Grille, the system actively scans the room to detect occupancy and temperature distribution, intelligently adjusting airflow to optimize comfort and energy efficiency.

General Information

System Type: Ceiling cassette ductless air handler (indoor only)
Models: Indoor Unit – PLA‑AE18NL | Grille – PLP‑41EAEU (3D i‑See Sensor)
Capacity: 18,000 BTU Cooling / 19,000 BTU Heating
Room Size: Ideal for up to ~750 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes
Refrigerant: R‑454B, pre‑charged; connects via standard line sets

Key Features

3D i‑See Sensor Grille (PLP‑41EAEU): Detects room temperature and human presence in 3D zones to automatically direct airflow where needed, improving efficiency and comfort

72 Airflow Configurations: Independent vane control allows custom airflow patterns to suit any room layout

Quiet Performance: Sound levels as low as 28 dB(A) ensure silent operation

Built‑In Condensate Lift Pump: Integrated pump lifts condensate up to 33", simplifying ceiling installations

Low‑Profile Design: 33" x 33" compact cassette fits seamlessly into standard 2'x2' ceiling grids

Efficient Fan System: Variable-speed DC fan motor delivers up to 600 CFM airflow with energy savings

Flexible Control Options: Compatible with wired/wireless remote controls, app-based interfaces, and third-party integrations

Specifications (Rated Conditions)

Airflow (Cooling/Heating): 460–600 CFM
Sound Pressure: 28–32 dB(A)
Electrical: 208/230 V • 1‑Phase • 60 Hz
Piping Size: Liquid ¼″ • Gas ½″ • Drain 1¼″
Unit Dimensions / Weight: 33‑1/16″ x 33‑1/16″ x 10‑3/16″ • 46 lb

Included Components

• PLA‑AE18NL ceiling cassette indoor unit

• PLP‑41EAEU 3D i‑See Sensor Grille

Ideal For

Facility managers, business owners, and homeowners seeking advanced, energy-efficient ceiling-mounted climate control with smart sensor technology. Perfect for classrooms, offices, conference rooms, lobbies, and other high-occupancy or variable-use spaces.