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Homemade Load Bank

pclausen

Well-known member
Steel Soldiers Supporter
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Location
Afton, VA
When load testing during the winter, I do plan to let it heat up my shop building (48 x 30). :)

Looks like my breaker bank will fit nicely in the build in box:

IMG_0483.JPG

Test fitted the contraption in the enclosure after removing the compressor and coil:

IMG_0484.JPG

Got 4.5" of clearance from the bottom of the tube and the floor of the enclosure:

IMG_0487.JPG

I think that will provide enough air flow up thought the heater elements and I don't need to cut out openings in the floor of the outdoor unit, which was a concern I had.
 

pclausen

Well-known member
Steel Soldiers Supporter
452
281
63
Location
Afton, VA
Got it done.

Heating element wiring:

IMG_0497.JPG

Double pole double throw switch with center off position to select 1,800 or 2,700 watt configuration:

IMG_0509.JPG

Powered on testing with just the fan running:

IMG_0511.JPG

Video of it in action:


Given how I have it connected to a 20A breaker for testing, I dare not kick on any real load. :)
 
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