TWHP rated 267 volts AC

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jbwhite

Senior Member
Why would a through the wall heat pump be rated at 267 volts ac.

My only guess is that it is for a 277 volt system and allows for voltage drop.

Anyone know the real answer?
 
"Only your hairdresser knows for sure!"

My guess is that you're correct, just as 120v motors are rated at 115v, etc.
 
I would think it would be rated for 230V, if indeed this is for residential use. If it is truly 267V rated, I would be concerned that the performance and efficiency when operated at 240V will be less then expected.

If it is for a 277V, it may not be deisgned for operation on a 120/240V system. Consult manufacturer.
 
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