American Time SQA261RSAEA Руководство по установке и эксплуатации - Страница 13
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Important Considerations
The ATSTCS must be in the RUN mode for Code Blue to override.
The 12vac/vdc to 30vac/vdc signal that starts the Code Blue timer originates from equipment external to the Digital Clock/
Timer. The external equipment usually employs a switch device (i.e., a relay contact) to apply this signal. That switching
device is often referred to as the Code Blue contact.
The Code Blue contact does not have to open before resetting the clock/timer back to normal operation, but must be opened
before another Code Blue can occur. The transition from no voltage to applied voltage (across the K2+ and K2- terminals)
initiates a Code Blue.
If the Code Blue contact opens and closes again before the clock/timer is reset back to normal operation, the Code Blue timer
will start over from 00:00:00.
If a power failure occurs during a Code Blue and the back up battery is in place, and the Code Blue contact is still closed
when the power returns, the Code Blue timer will start over from 00:00:00. If the Code Blue contact is open when the power
returns, the Code Blue timer will continue counting the elapsed time including the time while the power was off.
If a power failure occurs during a Code Blue after the Code Blue timer has been stopped for viewing, and the Code Blue
contact is still closed when the power returns, the Code Blue timer will start over from 00:00:00. If the Code Blue contact
is open when the power returns, the elapsed time where the Code Blue timer was stopped prior to the power failure will be
displayed.
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