jahilliard
Senior Member
Recently we installed a 15Hp 208-230V 3 phase Baldor Electrical motor with a Berkeley Pump inside a vault for an architectural fountain/pool. This is an underground vault with plenty of air space and vented so the ambient temp is not unusually hot. There is also another pump (Marathon) in the same vault same size serving the same purpose. The issue is that the baldor motor is getting so hot you literally can noot touch it it will severely burn you its so hot. Both pumps are operating at allowable ratings for Voltage and Amperage. Incoming Voltage is no lower than 205V between any two lines. Any ideas why the Baldor motor is SO much hotter than the Marathon?