New, slimmer, four-way cassettes (right) are one of the main features of the updated range of inverter split systems from Mitsubishi Heavy Industries. They are claimed to be some of the slimmest on the market, with even the largest capacity unit fitting within a 300mm ceiling void without the need for spacer collars. Enhanced two-wire control systems replace the previous three-wire system, simplifying installation. Sophisticated "wired controllers enable users to adjust local temperatures for greater comfort, but the control parameters can be set with upper and lower limits in heating and cooling modes by the building manager.
展开▼
