Compositepro:
That was one theory that I had; that the motor HP listed in the shop drawing (5 HP) was the acutal motor output. The inefficiencies would only change the full load amps. ie. a more efficient motor would lower the full load amps and a less efficient motor would raise the full load...
tys90:
You are correct this is an output for a York unit and it was selected using software. The supplier told me that there is a service factor on the motor which allows you to run above 5 HP. Would there be any issues of burning out the motor or tripping if you are continuously operating...
I am in the process of reviewing a shop drawing for an AHU. I have received the attached cut sheet from the manufacture.
When I look at this cut sheet it seems like the motor size they have specified is too small. I took the BHP (4.89) and divided it by the motor efficiency (87.5%) to get a...
