Figure 5-4 Installation Of The Smoke Sensor - Huawei EMU User Manual

5 Installing the Sensors
Use a PVC terminal to bridge the seam between the cable duct and the base.
Figure 5-4

Figure 5-4 Installation of the smoke sensor

(1) Cable duct
(4) Base
(7) Percussion drill hole
Step 2 Connect the smoke sensor.
Open the base of the smoke sensor. On the base, there are four wiring bars labeled 1 - 4, a plus
sign, and a minus sign, as shown in
1.
2.
5-6
shows the installation of the smoke sensor.
2
1
Connect wiring bar 3 to the terminal marked "24VS".
Connect wiring bar 1 to the terminal marked "Smoke".
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65 mm
7
6
4
3
(2) PVC terminal
(5) Tapping screw
Figure 5-5.
5
(3) Alarm indicator
(6) Plastic expansion tube
Issue 13 (2009-12-30)
EMU
User Guide