Slide-out ERW, MicroTech® III controller with Open Choices™ operates with BACnet® or LonMark® communications for easy integration with BAS [building automation system]. User friendly control keypad and display, 2- and 4-inch slide-out filter racks, low-maintenance direct-drive ECM [electronically commutated motor] fan motors, variable-speed inverter scroll compressor, hinged access doors, and cleanable double-wall foam injected panels. Noise-reduction features patented ultra-quiet condenser fans, enclosed compressor operation, variable-speed motors, and double-wall R7 foam-injected panels.