What temperature differential do you guys use with your Ranco controllers?

zanemoseley · Nov 8, 2010

I've got a Ranco hardwired to a used chest freezer I got and it's working like a champ. However I'm curious what you guys use for the temperature differential. Obviously it's there to protect the device it's controlling but I'm not sure what a standard differential is for a fridge or freezer. Us brewers like the best level of control but I don't wanna get too anal retentive with the temperatures and kill my fermenter.

david_42 · Nov 8, 2010

I use 1 C.

zanemoseley · Nov 8, 2010

So I guess that would work out to about 2 degrees fahrenheit. Have you done that for long with no ill effects on the fridge/freezer?

RiverCityBrewer · Nov 8, 2010

Yeah its fine, just make sure you set the anti-short cycle delay on the controller... on mine its under the ASD menu and I use about 8 minutes for mine.

zanemoseley · Nov 8, 2010

The Ranco doesn't have an anti-short cycle delay, it just has the differential setting.

RiverCityBrewer · Nov 9, 2010

I just checked and I have a Johnson A419 not a Ranco... sorry for the confusion. :drunk:

JollyToper · Nov 10, 2010

I have used 1*F on two chest freezers for almost two years. Works great--in Phoenix AZ no less! :rockin:

Irrenarzt · Nov 10, 2010

Same here, 1 deg F, two separate chest freezers. No problems.

zanemoseley · Nov 10, 2010

I just put mine down to 3*F. I got this quite large chest freezer for $100 and really don't wanna kill it. I don't think I'm too worried about 3 degrees anyway.

What temperature differential do you guys use with your Ranco controllers?

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What temperature differential do you guys use with your Ranco controllers?

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