DC-9105E Conventional Reflective Beam Detector
Installation and Operation Manual
3
fault signals and illuminates fault LED. In this condition, the
detector releases fire alarm as the optical beam path is obscured
more and more. Note: It doesn’t mean a fire occurs in this
case. As the obscuration is removed, fault signals are
cleared by the detector and fire signals are cleared by
switching off the power.
8) Operating Environment:
Temperature: -10C～+55C
Relative Humidity ≤95%，non condensing.
9) Protection Area: The detector can protect the area of 1400m
2
(14×100＝1400m
2)
)
with the widest 14m.
10) Length of Optical Beam Path: 5m～100m
11) Ingress Protection Rating:
IP 20 for ordinary environment;
IP 66 with glue treatment for special environment.
12) Dimensions:
206mm x 95mm x 95mm
13) Material and Color of Enclosure: ABS, grey
14) Weight: About 450g
15) Mounting Hole Spacing:
Dimensions for Embedded Mounting: 158mm
Mounting Hole Spacing for Surface Mounting: 79mm×96mm
4. Structure and Operation Principle
1) Appearance of the detector is shown in Fig.1.
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