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I've been doing some work trying to identify all my circuits in my house (the box was not labelled. Can you believe it?), and there's one circuit I couldn't figure out. It drove me crazy for days until I realized that it ran up into the ceiling to a weird looking device with two metal discs sticking out of the center.
With the circuit off, I removed the cover to reveal a somewhat beefy stepdown transformer and a lot of pigtailed wires. Unfortunately I still have no idea what this
thing is or why it would have its own circuit.
Okay. I got some pictures now. Sorry for the blurryness. What you're looking at is the "device" opened up. On the left is the thing with the two metal discs, on the right is the step-down transformer. Inside the facility box is a whole slew of romex pigtailed
together, which by itself makes me a little nervous (I'm about ready to hacksaw into my ceiling and get to the bottom of this).
So, for 200 points -- can you name that thingamabob?
Its likely Normall open. I would short the 2 connectors on heat detector. See what buzzes or beeps, so you recognize in future. Providing transformer wiring and buzzer/bell are intact. It could even close a vent?, shut off water?
Shorting will not harm anything, make sure power switched back on. good luck
More simply put, when temperature is reached, each has a temp, and are one time, need to be replaced once temperature is exceeded. don't need to get complicated, you do want to figure what you want to happen when that temperature is exceeded.
They are usually Normally Open and when triped, it closes.
Linear Mode
