Ok.. then it is a linear supply. Is it fairly heavy for it's size?
Also, try the supply at normal voltage (115) with no load. Is it near 29.7 volts (or even ~30)? If so, just go ahead and try to power the pelt with it.... just watch it to make sure it doesn't get too hot, and report the voltage that the supply outputs when the peltier is connected.
Rich W.
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