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H12-425 – HCNP-DCF-Build Facility Development Optimization

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Showing 4–6 of 15 questions

Question 4

Draining impurities from the refrigerant pipe should

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    Block one of the pipe ports.
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    Fill the pipe with high-pressure nitrogen.
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    Quickly remove the pipe plug and avoid facing people to prevent injury.
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    To discharge nitrogen from the outdoor unit
Question 5

After the UPS5000-E system is installed, which of the following items need to be checked?

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  • ○

    if UPS and battery system mechanical installation is firm and stable
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    if the cable layout considers other system wiring in the future
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    if the ground connection is reliable
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    The positive and negative terminals of the battery are wired correctly.
Question 6

On the NetEco, the door status is always open, we can identify with the faulty by ( ).

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    Checking whether the door is closed.
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    Checking whether cable are connected to the access actuator.
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    Checking whether the angle and tightness of the door magnet are appropriate
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    Checking the AC actuator cable