Mitsubishi PEFY-L24NMSU-A 24,000 BTU Low Static Horizontal-Ducted Indoor Unit - R454B

Mitsubishi PEFY-L24NMSU-A – 24,000 BTU/H Low Static Horizontal-Ducted Indoor Unit
Deliver powerful, concealed comfort with the Mitsubishi PEFY-L24NMSU-A, a 24,000 BTU/H low static horizontal-ducted indoor unit engineered for high-capacity performance, quiet airflow control, and streamlined ceiling installations. Designed for residential and light commercial applications, this slim ducted solution provides dependable zoned comfort while maintaining a clean, unobtrusive interior appearance.

Powerful & Efficient Performance
The PEFY-L24NMSU-A delivers 24,000 BTU/H of nominal cooling capacity and 27,000 BTU/H of nominal heating capacity, making it ideal for larger spaces requiring strong year-round climate control. Equipped with a high-efficiency 96W DC fan motor, the unit offers multiple airflow settings of 423, 565, and 706 CFM to match comfort demands and duct design requirements.

Low Static Ducted Comfort with Flexible Air Distribution
Designed 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 distribution, and concealed airflow delivery through supply grilles, providing balanced comfort without visible indoor equipment.

Quiet Operation for Large Occupied Spaces
With sound pressure levels ranging from 30 to 40 dB(A), the PEFY-L24NMSU-A delivers powerful airflow performance while maintaining a comfortable acoustic profile. Its quiet operation makes it suitable for open offices, conference areas, retail environments, and residential living spaces where both capacity and sound control are important.

Compact, Ceiling-Ready Design
Despite its high-capacity output, this unit maintains a slim 7-7/8" height for low-clearance ceiling cavities. Measuring 46-7/8" W × 27-9/16" D × 7-7/8" H and weighing 60 lbs, it is engineered for efficient installation in both retrofit and new construction applications requiring concealed comfort delivery.

Built-In Condensate Management
The PEFY-L24NMSU-A includes an integrated condensate lift pump capable of lifting condensate up to 21-11/16", simplifying drain routing and increasing 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 the appropriate adapters. Optional kumo cloud® Comfort App integration enables remote monitoring and control for modern, connected comfort management.

Reliable Refrigerant & Electrical Configuration
Designed for use with R454B refrigerant systems, the unit connects via a 3/8" liquid line and 5/8" gas line for higher-capacity refrigerant flow. It operates on 208/230V single-phase power with an MCA of 1.59 and MOCP of 15 amps, ensuring safe and dependable electrical performance within compatible Mitsubishi Electric systems.

Engineered for High-Capacity Concealed Zoned Comfort
Purpose-built for hidden ceiling installations, the Mitsubishi PEFY-L24NMSU-A combines maximum performance with a compact, low-profile cabinet. Ideal for applications 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.