I'm replacing the thermostat with an Inkbird-like one (be warned the free-standing Inkbird ITC308 has a common hard-to-detect-fault that might not do the old compressors in these coolers any good if trying to keep to tight temperature bands <3or4C). Doesn't seem to want to go lower so I've not added any glycol. I'm currently upgrading my coolers the very "retro" thermostat kept things at about 3C, but with a bit of fiddling (a screw) I got it down to 0.5C. The bath contains stainless (?) steel coils (2, occasionally 4) to cool "product" (beer!) running through them. The "agitator" is just a propeller fixed to the pump to stir up the water bath a bit. They are "just a receptacle to hold water and chill it" with a very underpowered pump to pump the water about. I use a 310 to cool kegs and a generic cooler (like a 210/310 but better it seems) to cool fermenters. You will need a water jacket or cooling coil around or in your FV, and an Inkbird or similar controller to turn the pump on and off. If you are wanting to use one to cool another vessel, like a FV, you need an external pump, and those made for small-bore central heating systems are ideal, and dirt cheap on e-Bay. An adjustable internal thermostat controls the freezer unit, it’s sensor being against the beverage inlet pipe, but as stated earlier the stirrer runs all the time. Some versions incorporate a small pump on the stirrer shaft for pumping cool water through water-jacketed beer engines. An electric fan blows air through a small radiator to cool the hot side of the deep freeze unit, and a separate synchronous motor on top of the water tank works a stirrer to keep the water in motion. Also in the tank are one or more coils of stainless steel tubing through which the beverages to be cooled run. The chillers are basically just a deep freeze compressor unit whose copper cooling coils are in a plastic tank of water. ![]() But if it has the pump and thermostatic control built in then it would require some modification I would imagine.Ĭan anyone share any more details on what would be required? I think I've established I need a recirculation model of a beer chiller. If it is just a vat of water that is chilled then I can see it being quite simple to just hook up a pump controlled by an inkbird to start pumping cold water when demanded and shut it off when the desired temperature has been reached. Is the thermostatic control that would turn a pump on and off as the fermenter demanded cooling built into the unit or would I need to modify it to introduce temperature control device to turn a pump on and off? What exactly would I need? Are the pumps built into the units or would I need an external pump?Īre they just a receptacle to hold water and chill it and nothing more? I've checked out the 'impulse purchase kitchen boiler' thread but it doesn't seem to have much by way of detail on how to hook up one of these chillers to chill a fermenter.
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