General Question

landismas's avatar

How many amps will I need?

Asked by landismas (5points) October 23rd, 2014

Before buying the walk-in cooler I need to fit the location with enough power. I’ll be running 240v single phase. The specs of the cooler are below. I just need to know the minimum amps to run a cooler with these rough specs.

Roughly 10X40X~9 feet
Will probably need three doors
Indoors, with a floor
I just need to keep things cool, I don’t need to freeze them.

Even if you can direct me to a resource, that would help a lot.

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3 Answers

XOIIO's avatar

It should tell you what it needs for power in the specs, no way to know otherwise, but if it’s a walk in I’d guess a 30 amp circuit at least.

filmfann's avatar

If it is a 240v, the plug design will be specific to the number of amps required.

LuckyGuy's avatar

You might be starting this problem from the wrong end. You need to know the heat loss/rise rate first.
You need the ambient temp and the insulation factors for the walls R-value. That will tell you how many BTU /hour the A/C unit must deliver. That number will tell you the size of the unit (12000 BTU/hour is called 1 ton) and that will tell you the amperage.

Here is a sample calculator .

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