This might be a stupid question but im used to single stage controllers and i want to get some advice from yall before i screw something up... so i have a chest freezer and a williams heating pad i pitched @64 and i want to keep it at 64 for a few days i set the C1 to 64 with a 1 differential and the H2 at 63 with a 1 differential..i sure i need to tweak this some can somebody explain how i should go about setting this to sustain a steady temp.
Setting a dual stage controller
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beerlover77
Well-Known Member
I have an STC-1000 dual stage and set the spread between temps 3degrees otherwise I get cycling on and off
So set the differential 3 degrees?
beerlover77
Well-Known Member
That's what I do for mine but mine is also set to celcius (shouldn't make a difference). You might want to try 2⁰ apart and see if it cycles between hot and cold, if it doesn't then that is fine.
The controller should chill the fridge 1⁰ below the upper setpoint when cool is triggered and
1⁰ above the lower setpoint when heat is triggered.
Some controllers allow finer control and if that is the case with yours you could set the temps closer together
The controller should chill the fridge 1⁰ below the upper setpoint when cool is triggered and
1⁰ above the lower setpoint when heat is triggered.
Some controllers allow finer control and if that is the case with yours you could set the temps closer together
Right on thanks dudeThat's what I do for mine but mine is also set to celcius (shouldn't make a difference). You might want to try 2⁰ apart and see if it cycles between hot and cold, if it doesn't then that is fine.
The controller should chill the fridge 1⁰ below the upper setpoint when cool is triggered and
1⁰ above the lower setpoint when heat is triggered.
Some controllers allow finer control and if that is the case with yours you could set the temps closer together
beerlover77
Well-Known Member
No problem.. are you also using an STC-1000? Also what are you using as a heater in the chest freezer?
Im using the ranco etc dual stage and the heater this thing
https://www.williamsbrewing.com/BREWERS-EDGE-SPACE-HEATER-P518.aspx
i just applied it to a wooden board ,so i can take it out and use it in different areas if need be
https://www.williamsbrewing.com/BREWERS-EDGE-SPACE-HEATER-P518.aspx
i just applied it to a wooden board ,so i can take it out and use it in different areas if need be
beerlover77
Well-Known Member
Thats a nice setup, hope it works out for you
thanks, im gonna baby sit until i have a full grasp..cheers bud
Are you going to control based on temperature of the freezer or temp of the beer?
If controlling based on beer temp are you using thermowell or taping probe to fermentor with insulation over?
These differences can matter when thinking about how to program your controller. If you are controlling from the beer you can likely use a smaller differential than if you are controlling from temp of air in the freezer.
If controlling based on beer temp are you using thermowell or taping probe to fermentor with insulation over?
These differences can matter when thinking about how to program your controller. If you are controlling from the beer you can likely use a smaller differential than if you are controlling from temp of air in the freezer.
