I run fans off my APC UPS. I use a car battery. I put a computer fan on the side of the UPS to keep it from overheating, run it off 12 volt battery connection. It's been doing fine for a long time. It's the only way to survive the tropics when the power goes out. Would love to run the fridge...
I ordered the book. The unit is 110 volt output. I've been suspicious of the transformer, but don't have the specs to check it. If I could only find a tech who worked for Powerware or Exide who could get the repair manual, that would be great.
As far as load, the heat sink holding the mosfets...
The fuses are the two 30 amp battery fuses. The unit is a Powerware Personal 1000, about eight years old, but in perfect shape. I have new batteries, five six volters, the unit uses 30 volts. From what I've learned, the inverter is a likely suspect. Without a schematic, I'm at a disadvantage. I...
I have a couple of ups with the fuses on the circuit board blown. I would think that as the battery dies, amps go up and take out the fuses. If I could get data sheets on the transformers, I could check them, but have been unable to find them with extensive internet search. The manufacturers...
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