Replacing An External Horn Strobe (Ce) - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Step 7 Check that the new horn strobe is working properly.
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Follow-up Procedure
Dispose of the removed horn strobe that is confirmed faulty.

6.5.5 Replacing an External Horn Strobe (CE)

Prerequisites
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Impact on the System
The fire extinguishing system stops working during the replacement.
Preparations
Tools: Phillips screwdriver, step ladder
Materials: spare horn strobe, key to the control box
Documents: fire extinguishing device layout diagram (CE)
Skill requirement: fire engineer
Issue 02 (2017-01-10)
Disconnect the wiring terminals from the electrical actuator on the fire cylinder.
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.
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).
A horn strobe needs to be replaced.
A spare horn strobe is available and functional.
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6 Parts Replacement
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