RB-RWS21-E wired control for Toshiba ducted indoor units and residential multisplit cassettesRB RWS21 E WIRE CONTROL FOR TOSHIBA DUCTABLE INDOOR UNITS AND RESIDENTIAL MULTISPLIT CASSETTES The Toshiba wired control model RB RWS21 E is a wired local control and allows you to customize and program the internal unit to which it is connected in order to best manage the environmental comfort of the rooms. It allows you to control all the functions offered by the ducted and cassette internal units of the Toshiba multi split residential line . It has