Huawei FusionModule 1000A40 Maintenance Manual page 162

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FusionModule1000A40 IT Solution

Maintenance Guide (2016.05, AI Version)

Materials: spare smoke detector

Document: fire extinguishing device layout diagram (CE)

Skill requirement: fire engineer

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Procedure

Step 1 Disconnect the battery cables, and switch off the input circuit breaker of the extinguishant

control panel.

Step 2 Hold the smoke detector, and rotate it counterclockwise to remove it from the base.

Figure 5-82 Removing a smoke sensor

Step 3 Remove cables from the base using a Phillips screwdriver.

Step 4 Remove the screws on the base using a Phillips screwdriver, and remove the base.

Step 5 Install the new base to the same position, and reconnect the cables.

Step 6 Insert the new smoke detector into the base, and rotate it clockwise until it locks in.

Step 7 Switch on the input circuit breaker of the extinguishant control panel, and connect the cables

to the battery.

Issue 04 (2018-01-05)

For the diagrams, see the initial configuration parameter manual for the solution in use.

Before replacing the smoke detector, inform the related administration department of the

temporary downtime of the fire control system. After the replacement, inform the

administration department that the system has become operational.

As a terminal resistor is connected to the last smoke detector in the loop in parallel, remove the terminal

resistor from the faulty smoke detector, and connect the resistor to the new smoke detector when you

replace the smoke detector.

Huawei Proprietary and Confidential

5 Components Replacement

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