sparky...ok...this is the way i see it.and if i am wrong please tell me.
the above drawing is correct,since there is a motor involve, the calculations fall under motors an other loads.and here what i came up with.a 1 hp motor 230 volts at 8 amps.x 250%= 20 amps (the 20 amp cb)and (the 30 amp cb )is for the heater.the number # 8 wires feeder= the largest motor 1 hp,fla.8 amps plus 25%, plus all other loads 30 amps heater for a total of 40 amps.and for the 50 breaker,take the largest motor overcurrent device 20 amps plus all other loads 30 amps heater for a total of 50 amps.
