The Bosch D7050 MUX smoke head and Bosch D7050TH MUX smoke head w/ fixed heat (135°F) are UL Listed, open‑area photoelectric detectors. Also, they come designed for use with commercial fire protective signaling systems and household fire warning systems. The symmetry of the optical chambers allows 360° uniform smoke entry but minimizes external light entry. In the chamber, large smoke particles scatter infrared light from a pulsed source operating with a gated, high‑speed, photodiode sensor.
Test the detector’s operation by placing a magnet next to the detector’s LED for three consecutive flashes. This causes the detector to send an alarm. When operating normally, the detector’s LED flashes once every 3 sec. to 8 sec. In alarm, the detector flashes at least once per second.
Furthermore, the smoke and smoke/heat heads are part of a compound system of detector head and base. The detector base installs over a back box and contains all the wiring. The Bosch D7050 detector head attaches to the base by aligning the head with the base and turning it clockwise. No tools are require for installation other than the hex key used to tighten the tamper screw. Each detector head requires a D7050-B6 detector base.
Features / Specifications
- Mounts in the D7050-B6 MUX base, 2-wire
- Superior dust immunity
- Exclusive Chamber Check self-diagnostics
- Automatic sensitivity test features
- Easy disassembly for cleaning
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