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Running 230v AC on 240v circuit

WaterFarmFan

Active member
Veteran
Hello. I am thinking about adding a beefier 18000 btu 230v air conditioner to my space. Currently using a smaller 115v. So my question is about the wiring. I am using an Autopilot 4 light controller connected to a 240v 30 amp breaker. It is running 2x Phantom 1k DE ballasts. I am also using the Autopilot PX1 connected to ballasts via USB to control timing, dimming and fail safes. The 120v timer cable from Autopilot 4 light is plugged directly into the wall. So, the Autopilot 4 light controller is now just 4x dumb 240v plugs divided into 2x 15 amp groups.

My plan is to put 2x ballasts on one 15 amp group and then plug the new AC into the other 15 amp side. Wall units that I am looking at are around 10 amps and listed with a minimum voltage of 208 and a maximum of 230 volts. So, will the 230v ac unit work with my 240v power source?

Appreciate the replies!

WFF
 
The plugs from 120 volts and 240 volts should be different but if the Question is as easy if you can connect 240 to a 230 volt device the answer is yes it'll be fine
 

queequeg152

Active member
Veteran
lol yes.

220,230,240 are basically interchangable and are usually in reference to 2 pole single phase.

same thing with 110v,115v,120v.

generally speaking your line to line voltage will be anywhere from 220v to 240v.

208v is in reference to 3 phase.

there are like 400 different 3 phase taps... but in general

u have 2 types of three phase transformer taps... delta and wye.... and i think both can run 240v from phase to phase.

in a wye you have 120v from any of the three phases to neutral, and 208 from phase to phase. thats where the 208v figure comes from. its for 3 phase hookups.

i may have gotten the three phase shit backwards... idk. 3 phase is confusing.
 

Floridian

Active member
Veteran
Just want to concur here the 10-20 volt difference in line power ratings has to do with possible voltage drop issues,not in appliance power ratings
 

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