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-   -   wiring heat pump and air compressor outside building (http://www.diychatroom.com/f18/wiring-heat-pump-air-compressor-outside-building-112109/)

lcvette 07-27-2011 07:14 AM

wiring heat pump and air compressor outside building
 
I am currently setting up my shop and in doing so i have some new equipment i am installing. i have a 5 ton package unit and a 60 gallon air compressor both with be located outside the building within a few feet of each other. there is about a 90-100 foot run to where they will be located to the panel box and no existing wiring is available for them so i will have to run new. this is a commercial space. i would like to make sure the wiring is up to code and was wondering what needed to be done to make that happen.

the motor on the air compressor has a a label that reads:
240v 15A60hz 1ph

the heat pump label is:
208-230v 60hz 1ph
it also says max amperage 60A

my question is what would be the most cost effective way to wire these both? seperate lines or a heavier single line set to a breaker box near them? also any wiring tips or tricks as far as conduit? can i use the cantex or does it have to be metal? or maybe even the flexible metal with wire already in it?

Thanks in advance and if you have further questions please ask away!

frenchelectrican 07-27-2011 11:44 AM

As soon I did see one key word is commercal building the best answer is get a electrician come out and they will deal with it due there are few diffrent codes it have to be coverd plus what more with commercal buildings there are few diffrent voltage verison will show up they will run anything from 120/240 volt monophase all the way up to 480Y277 triphase supply so the electrician can able deal with it without issue.

I am not being harsh but you have to understand of safety of the commercal building they are pretty strict with the codes.

Merci,
Marc

NJMarine 07-27-2011 05:02 PM

What is the amperage and voltage of the panel?

electures 07-28-2011 01:32 PM

What is the HP of the compressor? Minimum circuit ampacity of heatpump? Manufactures installation requirements for heatpump?

Best bet would be to install a subpanel at the location. Can't size it without all information.


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