D-9107RExd
Digital Flame Proof Dual IR Flame Detector
Installation and Operation Manual
Page 3
3.2 Adjustment Frame
The adjustment frame can rotate by 60°around the axe, as shown in Fig. 3.
Fig. 3
3.3 Operation Principle
The detector uses two pyroelectric infrared sensors to detect the change of light signal
of flame and background light signal at two bands of infrared spectrum through two
signal processing channels. Its microprocessor analyzes the signal through the flame
channel and background channel to judge if there is flame.
4 Installation and Connection
4.1 Installation
Before installation, check first if the enclosure is in good condition with all necessary
markings. Then set the detector address and classifications (please refer to Section 6
Operation), and then install it according to Fig. 4.
Fig. 4
Wall
Base
Frame
Bo
lt
M5 s
crew
cover
hexagon
sock
et
cap
scr
ew
s
M8
×
25
Ste
p 1
Ste
p 2
S
te
p 3
Ste
p 4
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