After 3 more phone calls, visited with customer today.
He's had 2 other electricians in; one blew up the start button and the 3 phase on/off switch, the other verified the motor (10HP) is good.
I proposed deleting the entire Y-Delta stuff, and doing it in a more traditional way:
60A 3 Phase breaker in panel
60A disconnect on wall - for LOTO
#10 feed into control box (Motor FLA is 29.5) - or do I need #8 ? 80% ?
SQ D contactor with B70 heaters and start stop station in control box
Use existing 3 phase contactor (relay) for 3A coolant pump - control via 208 Single pole switch).
Comments appreciated.
