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Room Thermostat RAA40C RAA40 Adjustable for heating only or cooling only Room thermostat with manual changeover switch for heating or cooling systems Two-position control Switching voltage AC 24…250 V Use The RAA40 room thermostat is used in heating or cooling systems to maintain the selected room temperature. Typical use: • Residential buildings • Light industrial buildings In conjunction with • zone valves • thermal valves Functions The front of the unit carries a selector with three positions for Heating / OFF / Cooling. In the OFF position, the input voltage is physically separated from the output voltage. If the room temperature falls below the selected setpoint, the heating contact will close (cooling contact open). If the room temperature exceeds the selected setpoint, the heating contact will open and the cooling contact will close but remains inactive because the selector is set to "Heating". Action reversed. |