Johnson Controls T604DFH-4
2PROP.3SPD FAN; STANDALONE.2PROP.3SPD FAN
The T604DFH-4 Thermostat Controller is a standalone device that provides control of two- or four-pipe fan coils, cabinet unit heaters, or other equipment using proportional control and three speeds of fan control. The technologically advanced T604DFH-4 Thermostat Controller features efficient space temperature control in hospitality applications. The T604DFH-4 Thermostat Controller features an intuitive user interface with backlit display that makes setup and operation quick and easy. The thermostat controller also employs a unique, Proportional-Integral (PI) time-proportioning algorithm that virtually eliminates temperature offset associated with traditional, differential-based thermostats.