Mitsubishi PEFY-L15NMSU-A 15,000 BTU Low Static Horizontal-Ducted Indoor Unit - R454B

Mitsubishi PEFY-L15NMSU-A – 15,000 BTU/H Low Static Horizontal-Ducted Indoor Unit
Deliver powerful, discreet comfort with the Mitsubishi PEFY-L15NMSU-A, a 15,000 BTU/H low static horizontal-ducted indoor unit engineered for quiet performance, flexible airflow control, and concealed ceiling installations. Designed for residential and light commercial applications, this slim ducted solution provides dependable zoned comfort while preserving a clean, unobtrusive interior aesthetic.

Powerful & Efficient Performance
The PEFY-L15NMSU-A delivers 15,000 BTU/H of nominal cooling capacity and 17,000 BTU/H of nominal heating capacity, making it ideal for medium-sized spaces requiring consistent year-round climate control. Equipped with a high-efficiency 96W DC fan motor, the unit offers multiple airflow settings of 282, 335, and 388 CFM to adapt to varying comfort demands and duct layouts.

Low Static Ducted Comfort with Flexible Air Distribution
Engineered for low external static pressure applications, the unit supports adjustable static pressure settings of 0.02, 0.06, 0.14, and 0.20 in. WG. This flexibility allows for short duct runs, multi-room air distribution, and concealed airflow delivery through supply grilles, offering balanced comfort without visible indoor equipment.

Quiet Operation for Occupied Spaces
With sound pressure levels ranging from 28 to 33 dB(A), the PEFY-L15NMSU-A provides reliable performance while maintaining a comfortable acoustic environment. Its low-noise operation makes it suitable for offices, conference rooms, classrooms, and residential living areas where sound control is important.

Compact, Ceiling-Ready Design
Despite its higher capacity, this unit maintains a slim 7-7/8" height for low-clearance ceiling cavities. Measuring 39" W × 27-9/16" D × 7-7/8" H and weighing just 53 lbs, it is engineered for efficient installation in both retrofit and new construction applications.

Built-In Condensate Management
The PEFY-L15NMSU-A includes an integrated condensate lift pump capable of lifting condensate up to 21-11/16", simplifying drain routing and expanding installation flexibility. A 1-1/4" O.D. drain connection ensures reliable condensate removal for gravity or pumped drainage configurations.

Smart Controls & System Compatibility
This indoor unit supports a wide range of advanced control options, including wired MA controllers, RedLINK® wireless remotes, third-party thermostat interfaces, and building automation connectivity via BACnet® or Modbus® (with required adapters). Optional kumo cloud® Comfort App integration enables remote monitoring and control, making the system adaptable for modern comfort management needs.

Reliable Refrigerant & Electrical Configuration
Designed for use with R454B refrigerant systems, the unit connects via a 1/4" liquid line and 1/2" gas line. It operates on 208/230V single-phase power with an MCA of 1.12 and MOCP of 15 amps, ensuring safe and dependable electrical performance.

Engineered for Concealed Zoned Comfort
Purpose-built for hidden ceiling installations, the Mitsubishi PEFY-L15NMSU-A combines higher-capacity performance with compact, low-profile design. Ideal for projects requiring powerful yet discreet ducted comfort, this low static horizontal-ducted indoor unit delivers efficient, reliable, and unobtrusive climate control for demanding residential and light commercial environments.