SMOKE DETECTOR DUCT INDOOR UNIT
Part Number:
D4120
Brand:
System Sensor
System Sensor D4120 Duct Smoke Detector, 24 VAC
System Sensor Duct Smoke Detector, 24 VAC Power Source, 0 to 95% Humidity, -4 to 158 deg F Operating, 14.38 in L x 5 in W x 2.5 in D Rectangular/7.75 in L x 9 in W x 2.5 in D Square Dimensions
- 4-wire photoelectric integrated low flow technology
- Air velocity rating from 100 ft/min to 4000 ft/min (0.5 m/s to 20.32 m/sec)
- Versatile mounting options square or rectangular configuration
- Plug-in sensor offers superb false alarm immunity and the latest sensor technology
- Broad ranges for operating temperature -4 to 158 deg F and humidity 0 to 95% non-condensing
- Patented sampling tube installs from front or back of the detector with no tools required
- 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
- Backward compatibility with existing Innovair products including remote accessories
Standards/Approvals: FM Approved|MSFM Approved|UL Listed
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