If this was shipped from the factory with a 15 GFCI cord cap, something else may be awry. This may have been a convertable unit. Meaning it could/should be re-wired in the field for the available voltage/amperage. Either on the control box inside, or inside it it should have a wiring diagram. That would either show the unit data, or if convertable, the diagram to change it, and both sets of data. Assuming this is a newer unit. Many these days are convertable, even if shipped as one model number with a certain voltage and amperage, it may be the same as a different model number with a different set of data, but the same unit. The factor just throws a different cord cap in the box, and leaves you to sort it out. If the name plate data is not available, I would suggest calling the rep for the manufacturer before connecting it. There may be a jumper or two to move allowing this to operate at the correct amperage, for the cord cap supplied. Not finding out the full picture could result in damage to the unit, or worse.
