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.