Huawei FusionDC1000A Maintenance Manual page 168

FusionDC1000A Prefabricated All-in-One Data
Center
Maintenance Guide (IT Scenario)
Step 4 Remove the fire extinguishing pipe.
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Step 5 Remove the pneumatic switch.
Step 6 Loosen the straps on the fire cylinder.
Step 7 Remove the faulty fire cylinder from the installation position.
Step 8 Move the new fire cylinder to the installation position, and tighten the straps.
Keep the pressure gauge panel outward so that people can view the reading.
Step 9 Connect the fire cylinder to the fire extinguishing pipeline.
Wrap the threads with sealing tape to ensure air tightness.
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Step 10 Reinstall the electrical actuator to the container valve of the fire cylinder.
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Issue 01 (2021-04-20)
Remove the high-pressure hose.
Remove the I-shaped connection pipe.
Remove the threaded adapter from the container valve of the fire cylinder.
NO TICE
NO TICE
Connect the threaded adapter to the fire cylinder.
Connect the I-shaped connection pipe to the threaded adapter.
Connect the high-pressure hose.
Verify that the electrical actuator ejector is reset. If the ejector is not reset,
press the ejector.
NO TICE
That the ejector is not reset may lead to extinguishant release.
Figure 4-108 Operating the electrical actuator ejector
Align the electrical actuator and the container valve, and tighten the actuator
clockwise.
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4 Parts Replacement
160