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Caryaire Resettable Temperature Response device (RTR) is used individually or with open close switch (OCS) in Fire/Fire & Smoke Dampers. RTR has a UL recognized Temperature sensor which will cut off electric supply to the damper actuator when the temperatures exceed 165deg.F whereas OCS indicates the Damper open or close position. RTR is always provided in Fire / Fire & Smoke Dampers which have electric actuators as operators, however RTR+ OCS is supplied when asked for. RTR or RTR +OCS are installed in the factory itself. In Fire Condition, the RTR will close and lock the damper, when temperature exceed 165deg.F and the damper can be reopened , on cessation of Fire Condition , by pressing the Re-Set button on the RTR or RTR+OCS. RTR has option of providing one temperature sensor or two temperature sensors.

– RTR-165 deg F
– RTR-212 deg F
– RTR-1 165-165 deg F
– RTR-1 212-212 deg F
– RTR-2 165-350 deg F
– RTR-2 212-350 deg F


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