Question about Bunn BT10B Coffee Maker
You didn't mention which fuse it was that blew; I assume you mean a house fuse, not the Bunn's.
Since you mention a fuse rather than a circuit breaker, again, I assume this is the screw-in type that must be replaced each time it fails.
Check your Bunn for the rated power consumption; it should be shown somewhere on the machine and is likely somewhere between 1000 and 2000 watts. You need to find how much current the machine is drawing.
Divide the given wattage by your line voltage which is probably (if in the US) ~120 Volts. For example: (from the Bunn) 1200 Watts/120 volts = 10 Amperes
That means that when the Bunn is heating water, it will need 10 amps just for itself. If, for example, you have a microwave oven using that same fuse that has a rating of 1000 watts power to cook with, it will actually draw ~ 1400-1500 watts from the wall plug. Again, 1500 Watts/120 volts = 12.5 Amperes
Now we have a total of 22 1/2 amps of current if both are operating at the same time or if any other appliance such as a toaster (also draws a bunch) is being used, you will most likely blow a 20 amp fuse if not instantly, perhaps after a few minutes.
Fuses are designed to blow in a few milliseconds if hugely overloaded or to be patient for a minute or two if the over-current is mild; say 21 amperes.
Over-fusing may be dangerous since the fuse rating is related to the gauge of wiring in the circuit it protects. This means that you need to move the Bunn to a different circuit so you don't accidentally exceed the fuse rating with two high-powered appliances if turned on together.
Posted on Sep 28, 2008
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Posted on Jan 02, 2017
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