This detector can be tested remotely and eliminates the need for DCOIL or external 24 V power.
The Remote Test Capable photoelectric detector (2251BR) adds simplified remote testing capability to the updated DNR and watertight NEMA DNRW InnovairFlex intelligent duct smoke detector housing. The detector enables updated DNR(W) duct smoke detectors to be tested remotely when used in conjunction with RTS151 or RTS151KEY remote test stations. This eliminates the need for the DCOIL or external 24 V power to duct smoke installations, thereby reducing the additional first cost and installation labor associated with the DCOIL and pulling external power.
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