Replacing An External Horn Strobe (Ce) - Huawei FusionModule1000A40 Maintenance Manual

FusionModule1000A40 Prefabricated All-in-One
Data Center
Maintenance Guide
Step 4 Remove screws from the horn strobe base using a Phillips screwdriver, and remove
the base.
Step 5 Install the new horn strobe in the same way, connect the cables, and install the
terminal resistor and cover.
Figure 5-70 Connecting cables
Step 6 Switch on the input circuit breaker of the extinguishant control panel, and connect
the battery cables.
Step 7 Check that the new horn strobe is working properly.
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5.4.2.5 Replacing an External Horn Strobe (CE)

Prerequisites
A spare horn strobe is available and functional.
Issue 04 (2021-02-10)
Disconnect the wiring terminals from the electrical actuator on the fire
cylinder.
NO TE
After the wiring terminals are disconnected from the electrical actuator, the extinguishant
control panel generates an alarm, which is normal.
Press the manual gas release button on the extinguishant control panel.
NO TE
That the horn strobe is triggered indicates that the horn strobe works properly.
Reset the manual gas release button.
Flip the key to Enable Control counterclockwise (rightward). Reset the
extinguishant control panel by pressing Reset on it. Then, reset key to Enable
Control clockwise (leftward).
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