Description

Rheem D4120 Duct Smoke Detector – Photoelectric, 4-Wire replaces 42-106161-03, 42-106161-04, 849168.Photoelectric 4-wire Versatile mounting options: square or rectangular configuration Air velocity rating from 100 ft/min to 4,000 ft/min (0.5 m/s to 20.32 m/sec) Broad ranges for operating temperature ( 4 F to 158 F) and humidity (0% to 95% non-condensing) Patented sampling tube installs from front or back of the detector with no tools required Plug-in sensor offers superb false alarm immunity and the latest sensor technology Increased wiring space with a newly added 3/4 in. conduit knockout One easy-access Test/Reset button and improved LED status 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 Two DPDT form C relay contacts 24VAC, 24VDC or 120VAC Backward compatibility with existing Innovair products, including remote accessories Toll-free Technical Support: 800.SENSOR2 (800.736.7672)