单词 | alarm panel |
释义 | alarm panel He studies the alarm panel. Times, Sunday Times Investigation afterwards discovered a faulty relay in the alarm panel which failed to switch power to the siren circuits when an alarm was triggered. Retrieved from Wikipedia CC BY-SA 3.0 The initiation device signals the fire alarm panel, which in turn signals the deluge valve to open. Retrieved from Wikipedia CC BY-SA 3.0 Depending on distance and construction materials, one or more wireless repeaters may be required to get the signal to the alarm panel reliably. Retrieved from Wikipedia CC BY-SA 3.0 Although an intruder alarm panel may also have these detectors connected, it may not meet all the local fire code requirements of a fire alarm system. Retrieved from Wikipedia CC BY-SA 3.0 |
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