Recent content by ALC

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    7EA fire damper caused trip

    No trouble alarms before the trip, first out is "45FTX-1 Fire". Next alarm is "speed ratio valve open >15% during start up", these two alarms show the same time stamp, but the fire alarm is listed first. I suspect the speed valve trip alarm is just the result of the trip itself. In 2018 we...
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    7EA fire damper caused trip

    Thank you for the links, you are correct the contractor just uses a torch to test our heat detectors, I was not aware this would degrade them. The trip log never showed any alarms related to the tunnel temp. Also this is now after the fact since we are up and running, but 26VG-1 high load...
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    7EA fire damper caused trip

    Yes, no question the system is old and needs to be replaced. We had a trip last year due to a failed power supply. Next MI in 2023 we are replacing the Micro 1-EV.
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    7EA fire damper caused trip

    Hello We had a trip yesterday on our DLN1 7EA. Everything running normal, running just above our turndown limit of55MW (up in Alberta Canada, GTG is indoors). When suddenly we got a trip from our CO2 chemtron unit. The co2 let go to zone 2, load compartment, at investigation there was no fire...
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