How To Check Amp Draw On Compressor
- #2
Well, you could use the kill-a-watt to examination the refrigerator under AC ability to see if information technology is working properly and then convert it to DC amperage.
I used a plotting multimeter to test mine over time. If you just have a plain-jane (fused) multimeter, yous tin do it too, but it volition take some more than work.
Y'all need to fix your multimeter in series with the power supply. In other words, run your positive wire from the bombardment to one of the leads, And then take your other pb and connect it to the positive feed for the fridge. I accomplished this past wiring in a fuse holder like this:
. Remove the fuse and stick a multimeter lead in each side of the fuse holder. (Brand certain your wiring is ample and the connections are good.
At this betoken, all your really testing is static current draw - what it is drawing correct at present. Just as we know, it draws next to nothing about of the time and when the compressor kicks on you get a decent describe. You lot need to figure out what it is doing over time. If your meter can't plot that, you will need to lookout man it over time to figure out how long the compressor runs each hour and what information technology is drawing.
Y'all might quickly discover a problem just measuring static amp draw at idle and when the compressor is running - i.e. draws 5 amps at idle (rather than a fraction) or x amps while the compressor is running (rather than about four).
In the Edgestar thread, I retrieve a member took pics of his fix when he tested it. On my Edgestar, I found it would run for about xv minutes each hour and describe around 4 amps during that fourth dimension (although briefly over 5 when the compressor starts up). While idle, it would only draw less than a tenth of an amp. Would think a Norcold would be at least that efficient.
Terminal edited:
- #8
x2
Great little tools to take when you lot are troubleshooting issues like this. But exist sure that y'all apply quality connections. A poor connection will drive the load through the roof (been at that place, done that).
Source: https://expeditionportal.com/forum/threads/how-to-measure-amp-draw-of-a-fridge.64600/
Posted by: blackmermexamo.blogspot.com
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