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  1. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Please have a look here. Should become handy...
  2. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Thanks for the explanation. :)
  3. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Yes, only the red cable and it will show you the amp draw of the elements. That's the only important thing anyway as the amp draw from the pumps is not significant. If you want to pass both wires thru the donut, I think you need to invert the direction of one wire. Like running one wire from...
  4. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Hi Hawk, If you have the same Volt/AMP meter, than it has 4 connection points. 2 are for the power supply, 240V in our case, 2 are for the donut (used to measure AMP). The power supply connections are wired to the main power contactor, each leg will supply 120V (wires are interchangeable)...
  5. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    I suggest getting the Ebook. There are step-by-step instructions for the brew day and much more.
  6. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Nice! You are getting there! :rock:
  7. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Just setup the right sensor and make sure that operation mode is PID and MANUAL INHIBIT. Normally you only want to set the high alarm. You also want to calibrate the 2 temperature sensors. Heat a cup of water to 150F (use a trusted thermometer). Put the sensors in it, if the PID is not...
  8. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    That's a PT100. Here is the setup:
  9. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    That should do it: http://pmod79883.pic31.websiteonline.cn/upload/0bk4.pdf
  10. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    You will be an expert after the build! :-)
  11. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Do you have the same multimeter as in my image? Does it say 80-260V? It's normal that you read about 120V on each wire, which will be 240V together. If the multimeter is supporting 240V, connected as it should and you have these measurements, your multimeter is broken. Could it be that you...
  12. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Where it says INPUT, that's the right side to connect the PID. On the other side you have high current switching. Just one red wire from the main contactor and a jumper. You are providing power to the SSR's. An SSR is just working like a switch. If the PID sends a signal on the input side, the...
  13. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Glad to hear that you are making progress! Sometimes you just have to go skiing a few days and things are moving on. :) There should be a diagram on the back of the multimeter. Were did you connect the power supply wires and were do these wires go? It should only sound if the PID is...
  14. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Anything will work. I did not look at the type I've used. SOOW should be fine: The 'S' in SOOW cable means “Service.” For portable cords that begin with an S but are NOT followed by a J, the voltage rating is 600 volts. The 'OO' means thecable has oil resistant insulation and jacketing. The...
  15. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    When the key is on, is there current on the coil?
  16. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    How do you measure? You have a multimeter? So you hear the main contactor switching when you turn the key, right? You have current flowing to the other side on both poles, right? Now the 2 poles have current on it until the main contactor switches off again (turning the key to OFF). And you...
  17. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    I don't understand this part...
  18. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Ok. 120V coil, so your are fine.
  19. MikeSkril

    How to build a Brewing Control Panel - HERMS 240V 30 AMP

    Your key switch needs at least one NO (normally open) block. When you turn the key the block will close and let current flow. The coil of your contactor must be 120V. Which model do you have? Where is your GFCI? In the main panel? The key switch would be enough to cut power but if you are...
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