Mitsubishi AC BMS GatewayAbout the Product MitsubishiAir Conditioning Interface Gateway Our range of Black Pear Mitsubishi electric HVAC interfaces is the most versatile on the market, connecting directly to the 2 wire HVAC bus. The integrated LCD display provides an engineers interface for local control, removing the need for a central controller and separate interface. The result saves time, space and most of all money! Commissioning is made simple with free USB based