Mitsubishi PEFY-L08NMSU-A 08,000 BTU Low Static Horizontal-Ducted Indoor Unit - R454B

Mitsubishi PEFY-L08NMSU-A – 8,000 BTU/H Low Static Horizontal-Ducted Indoor Unit

Deliver discreet, energy-efficient comfort with the Mitsubishi PEFY-L08NMSU-A, an 8,000 BTU/H low static horizontal-ducted indoor unit engineered for quiet operation, flexible airflow performance, and concealed ceiling installations. Designed for residential and light commercial applications, this compact ducted unit provides dependable zoned comfort while maintaining a clean, unobtrusive indoor appearance.

Powerful & Efficient Performance

The PEFY-L08NMSU-A delivers 8,000 BTU/H of nominal cooling capacity and 9,000 BTU/H of nominal heating capacity, making it an ideal solution for small-to-medium spaces requiring consistent year-round temperature control. Built with a high-efficiency DC fan motor (96W), the unit offers multiple airflow settings of 194, 247, and 317 CFM to match comfort needs and duct layout requirements.

Low Static Ducted Comfort with Flexible Air Distribution

Designed for low external static pressure applications, the PEFY-L08NMSU-A 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 airflow distribution, and concealed delivery through supply grilles, providing enhanced comfort control without visible wall-mounted units.

Quiet Operation for Sound-Sensitive Environments

Operating as quietly as 23 dB(A), the PEFY-L08NMSU-A ensures minimal sound disruption, making it ideal for bedrooms, offices, classrooms, and other quiet spaces. Even at higher fan speeds, noise levels remain low, reaching only 30 dB(A), ensuring комфорт without distraction.

Compact, Ceiling-Ready Design

With an ultra-slim height of only 7-7/8", this unit is engineered for tight ceiling cavities and low-clearance installations. Its dimensions measure 31-1/8" W × 27-9/16" D × 7-7/8" H, and the lightweight build of only 43 lbs makes handling and installation easier for retrofit and new construction projects alike.

Built-In Condensate Management

The PEFY-L08NMSU-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 supports reliable condensate removal for both gravity and pumped drainage applications.

Smart Controls & System Compatibility

This indoor unit supports a wide range of advanced control options, including wired MA controllers, RedLINK® wireless systems, third-party thermostat interfaces, and building automation connectivity through BACnet® or Modbus® (with required adapters). Optional kumo cloud® Comfort App integration allows for remote monitoring and control, making the system adaptable for modern comfort demands.

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 for efficient pairing with compatible outdoor equipment. It operates on 208/230V single-phase power with an MCA of 0.95 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-L08NMSU-A offers the ideal combination of compact sizing, whisper-quiet performance, and ducted airflow versatility. Perfect for applications where aesthetics matter as much as comfort, this low static horizontal-ducted unit delivers efficient, reliable, and unobtrusive climate control for today’s high-performance indoor environments.