Description

Rheem D4120W Duct Smoke Detector – Photoelectric NEMA4, 4-Wire replaces .Photoelectric, integrated low-flow technology 4-wire Air velocity rating from 0.5 m/s to 20.32 m/s Versatile mounting options: square or rectangular configuration Able to be installed as a stand-alone detector Replaceable sensor head One easy-access Test/Reset button and improved LED status Patented sampling tube installs from front or back of the detector with no tools required Cover tamper signal Increased wiring space with a newly added 20mm conduit knockout Multiple input voltages Patented interconnect feature for multi-fan shutdown New high contrast terminal designations Built-in short circuit protection from operator wiring errors Field selectable settings for configuring the detector