The Toshiba Carrier MMUM‑U u‑Series compact 4‑way cassette indoor unit is designed to deliver even, consistent airflow in VRF applications by distributing air in all four directions. Available in multiple capacities, the MMUM‑U operates on 208–230V power and features an energy‑efficient DC fan motor, multiple fan speeds, and louver control for flexible comfort management. Designed to fit standard 2’ x 2’ ceiling grids and constructed to meet NEC and ETL requirements, the MMUM‑U offers a compact, reliable solution for commercial and light commercial VRF system designs.
Built with a finned tube heat exchanger and designed for use with R‑410A refrigerant, the unit supports dependable performance in VRF applications. Construction meets NEC wiring requirements and ETL and ETL Canada standards for reliable, code‑compliant operation.
Designed to fit standard 2’ x 2’ ceiling grids, the MMUM‑U includes a built‑in condensate lift up to 25 inches to help simplify installation. Factory‑provided controls further streamline setup and integration into Toshiba Carrier VRF systems.
Type
Compact 4-way cassetteCapacity Range
0.6 - 1.5 TonsThe Toshiba Carrier MMUM‑U compact 4‑way cassette indoor unit offers even airflow and efficient VRF performance, with multiple capacities.
Guide Specifications
TC U-Series GS-MMU-UPXXX1MH-UL-01 Compact 4-Way Cassette Guide Specifications
Installation
Toshiba Carrier VRF U-Series Remote Sensor Installation Manual
Compact 4 Way Cassette Occupancy Sensor Kit (TCB-SIR41UMP-UL Installation Manual
Wireless Remote Control Installation Manual
Application Control Board Installation Manual
TC U-Series Compact 4-Way Cassette Installation Manual
Operation
Wireless Remote Control Installation Manual
Product Data
TC U-Series Compact 4-Way Cassette Engineering Data Book
REVIT and 3D DRW Files
Toshiba Carrier VRF 0.6-1.8 Ton u-Series Compact 4-Way Cassette Unit CAD Drawings
Submittal
TC U-Series MMU-UP0071MHP-UL-01 Compact 4-Way Cassette Indoor Unit (7.0 Kbtu)
TC U-Series MMU-UP0091MHP-UL-01 Compact 4-Way Cassette Indoor Unit (9.0 Kbtu)
TC U-Series MMU-UP0121MHP-UL-01 Compact 4-Way Cassette Indoor Unit (12.0 Kbtu)
TC U-Series MMU-UP0151MHP-UL-01 Compact 4-Way Cassette Indoor Unit (15.0 Kbtu)
TC U-Series MMU-UP0181MHP-UL-01 Compact 4-Way Cassette Indoor Unit (18.0 Kbtu)
Warranty Card
Limited Warranty for Variable Refrigerant Flow Units