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help dks 750- what these screws are for (potentiometers) ?


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help dks 750- what these screws are for (potentiometers) ?   

do czego służą te śrubki (potencjometry) wiem ze cos z temperaturą związane , chcialbym ustawic ale zapomnialem jak, prosze o pomoc.

What are these screws (potentiometers) for? I know something related to temperature, I would like to set it, but I forgot how, please help.

 

the temperature from bleach Fix goes up and is set to 37 degrees

IMG_20220413_095841.jpg

IMG_20220407_163606.jpg

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My problem is that when I turn on the mash, everything is fine, but after reaching the bleach fix temperature of 37 degrees, the temperature goes up to 40 degrees. before that everything was fine. Please write me step by step how to fix it and lower the temperature to the working 37 degrees.
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1. Turn off the lab for a few hours.
2. Measure the temperature of the BF with the thermometer.
3. It must be less than 34 – 35 degrees.
4. Start the lab.
5. LED29 must burn intensely.
6. Carefully rotate the PT3 potentiometer screw to the right until the LED29 goes off.
7. If the LED29 does not go off – it's a problem with the electrical diagram, and you have to look for a technician.
8. If it has gone out – rotate a little in the left the potentiometer screw PT3 until the LED29 lights up.
9. Measure the temperature of the BF with the thermometer.
10. If the temperature is less than 37 - rotate a little in the left of the potentiometer screw PT3.
11. Measure the temperature of the BF with the thermometer.
12. If the temperature is less than 37 – rotate a little in the left of the potentiometer screw PT3.
13. If the temperature is higher than 37 – rotate a little to the right of the potentiometer screw PT3
14. LED29 must turn off
15. When the temperature has stabilized at a certain level - LED29 burns medium
15. Important to understand the logic of the process

Edited by 750 joys
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