Siemens RDG400

Commercial VAV Thermostat, 24 VAC, 0-10 VDC Output, 3 Multifunctional Inputs for Keycard Contact, External Room/Return Air Temperature (QAH11.1, QAA32), Heat/Cool Changeover, Operation Mode Changeover, Window Contact On/Off, Dewpoint Monitor, Electrical Heater Enabled, Fault Contact, Operating Modes: Comfort, Energy Saving and Protection, Modulating PI Control, Automatic or Manual Heating/Cooling Changeover, Adjustable Commissioning and Control Parameters, Minimum and Maximum Setpoint Limitation, Minimum and Maximum Limitation of Air Flow Signal, LCD Display, 5-Year Warranty ( Minimum Siemens order quantity of $250.)