I have done both in the past.
I guess I was trying to see if someone would give the tonnage answers and then mention they got them out of a book. And then tell me you can get the book at...
Thanks for your reply.
Can someone tell me the tonnage for the following three chillers from their model numbers?
York YTG1A1B2-CGH8
York YCWJ55HE0-46PA
York YCWZ33AB0-46PB
Is this information avaiabe in either Preston's Guide or Technical Reference Guide by Carson Dunlop?
Or is there a different refence guide for...
This seems to be constant topic in our office. I was wondering if someone could give me their opinion of the basic differnece between the two.
Thank you.
I have moticed exhaust fan motors with HP ratings from 2 on down with service factors of 1.35. I then see return and supply fan motors with a HP rating from 7.5 to 20 with service factors at 1.15. Is there a general rule for the service factor to be higher in motors with a smaller HP? Would...
If I have a 400 amp panelboard, what is the highest combination of breakers I can possibly have? Is there a formula? Would I be able to have say 5 100 amp breakers in a 400 amp panel?
I have found two free courses on basic electricity offered by large corporations.
Siemens
http://www.sea.siemens.com/step/default.html
Cutler Hammer
http://www.eatonelectrical.com/unsecure/html/101basics/101basics.html
Does anyone else have some suggestions?
