
Use a PVC terminal to bridge the seam between the cable duct and the base.
shows the installation of the smoke sensor.
Figure 5-4
Installation of the smoke sensor
65 mm
1
2
3
4
5
6
7
(1) Cable duct
(2) PVC terminal
(3) Alarm indicator
(4) Base
(5) Tapping screw
(6) Plastic expansion tube
(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.
Connect wiring bar 3 to the terminal marked "24VS".
2.
Connect wiring bar 1 to the terminal marked "Smoke".
5 Installing the Sensors
EMU
User Guide
5-6
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 13 (2009-12-30)