Undercounter fridge with digital thermostat?

davemorton

RomfordNavy wrote: »

Very interesting, didn't know these devices exist. However in this case not sure I could get away with having this extra mess laying around, also not sure how I would get the temperature sensor inside the fridge.

I put the sensor for my inkbird up through the drainage hole at the back of the fridge, so no drilling needed, and no damage done to the fridge.

coffeehound

^ Out of interest, what do you set the deadband to on the controller?

RomfordNavy

coffeehound wrote: »

Polar do a nominal 130 litre undercounter (64L usable) which Nisbetts have for £336 delivered. Not sure if that's in your price range.

https://www.nisbets.co.uk/polar-under-counter-fridge/cd610

Apparently okay from 5 to 32 deg C ambient.
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Yes seen that one. However it does seem to use a lot of electricity 410kWh per year compared to most domestic fridges at around 100kWh per year.

davemorton

coffeehound wrote: »

^ Out of interest, what do you set the deadband to on the controller?

Cant get to it at the moment, as it is behind a load of crap in the garage, but off the top of my head I have the delay set to 10 minutes, and the temperature within 0.5C of the target. With 5 gallon of liquid in it, it keeps it pretty stable once its at the right temp.

that

just for curiosity. why do you not just put a fridge thermometer in it and call it a day? Why the precision?

coffeehound

RomfordNavy wrote: »

Yes seen that one. However it does seem to use a lot of electricity 410kWh per year compared to most domestic fridges at around 100kWh per year.

I remember your other thread on that; must say I struggle to believe those figures are comparing like with like. But anyway the domestic fridge with electronic controller sounds like a goer.

davemorton wrote: »

Cant get to it at the moment, as it is behind a load of crap in the garage, but off the top of my head I have the delay set to 10 minutes, and the temperature within 0.5C of the target. With 5 gallon of liquid in it, it keeps it pretty stable once its at the right temp.

As tight as that. It must be on and off quite frequently then. But it's a neat solution.