Toshiba Unveils 7th Generation VRF system, SMMS-u, with class-leading efficiency, adaptability and connectivity


Completely, SMMS-u optimises climate control in every forms of commercial buildings

Toshiba, a worldwide leader in high-efficiency, high-performance HVAC systems for commercial and domestic buildings, has unveiled the seventh generation of its industry-leading VRF (Variable Refrigerant Flow) system for centralised cooling and heating in commercial buildings.

redesigned from the bottom up

Completely, Toshiba’s innovative SMMS-u headlines using its top-class efficiency, connectivity and adaptability, in addition to its simple installation and year-round comfort control.

Whatever the premises – workplace, hotel, shop, restaurant, bar, factory or hospital – the Toshiba SMMS-u offers a host of advantages to consultants, installers, users and owners. Among several new technologies is Toshiba’s exclusive triple rotary compressor for greater capacity and efficiency, a space-efficient chassis and a high-capability communications protocol.

Superior energy efficiency is in Toshiba’s DNA, and the Eurovent-certified SMMS-u is not any different. Housed within an ultra-compact chassis, energy consumption is minimised through the mix of proprietary triple rotary compressor and super-efficient heat exchanger. These technologies position the SMMS-u as a sector-leading VRF in seasonal efficiency that helps building owners and tenants reduce their energy bills. Notably, efficiency is assured in part-load conditions, which prevail 90% of that time period in typical commercial settings.

To address just about any commercial building application (new build or refurbishment), the adaptability of SMMS-u derives from an unparalleled selection of line-up choices. Nine single modules from 8 to 24HP also to five outdoor units could be combined to attain 120HP up. Free combination possibilities alongside, around 3,000 solutions could be intended to meet customer requirements with regards to efficiency, capacity, refrigerant footprint or amount. Regardless of the outdoor temperature, SMMS-u can operate from -25°C to +52°C.


With SMMS-u, innovative engineering ensures there’s longer any have to be tied to piping restrictions no. For instance, the system allows a complete piping amount of 1 now,200m, with 250m permissible from the outdoor unit to farthest indoor unit. Providing more options to consultants and installers even, a height difference as high as 110m can be done between indoor and outdoor units for projects in elevated buildings.

Another notable advance may be the connection of to 128 indoor units because of Toshiba’s new TU2C-LINK protocol up, that is bringing new perspectives in data communication and volume speed. Importantly, to be able to adapt the capability of the operational system to building use, the SMMS-u has an impressive 200% diversity ratio. Finally, the refrigerant charge is nearly 50% less in comparison to the prior model for a really optimised SMMS-u environmental footprint.

Alongside a lighter and much more compact chassis, Toshiba has imparted SMMS-u with a genuine number of features to greatly help installers save time via quicker and easier installation, maintenance and commissioning routines. For example, piping for the oil balance circuit is longer needed no. Instead, a fresh oil management system ensures continuous compressor lubrication. In another enhancement, Toshiba’s Wave Tool Advance app allows installers to gain access to system start and information test runs utilizing an Android smartphone. For installers attempting to collect and save rich data sets, a fresh service tool for use with laptop devices could be accessed from either indoor or outdoor locations.

To make sure optimised year-round comfort, intelligent VRF control always delivers the proper quantity of refrigerant to the indoor units consistent with demand. Furthermore, Toshiba is rolling out a sensor-based concept that only initiates the defrost function when essential to ensure around 5 hours of uninterrupted heating. In multi-module applications, defrost cycles are staggered.

The large selection of indoor units with capacities from 0.3 to 10HP can be adapted to all available room configurations thanks to a comprehensive range of cassettes, ducts, and ceiling, high wall and console units. Of special note, Toshiba has offered a fresh 1-way cassette of elegant and simple design with ultra-slim chassis, motion advance and sensor filtration being an option. New is Toshiba’s slim duct solution also, that provides ultra-compact chassis and quiet operation to benefit applications such as for example hotels.

Toshiba’s SMMS-u represents a complete heating/cooling packaged solution which will bring benefits to all HVAC stakeholders. Offering class-leading reliability and quality, the first-generation product premiered in 1986, with the SMMS (Super Modular Multi System) name adopted in 2003. Today, the unrivalled seventh-generation pushes efficiency, adaptability and connectivity to raised degrees of performance and usability even.

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