Hot plate

[gizy]

hi...
i am using s/s 1500W hot plate made in Germany the same one like you can find in Brewhaus store..it has build in i guess (thermostat) which is disconnecting the power when the heat reach at set point and is turning back on when temperature drop down
my question is:
how to modify it to have steady heat ? by pass or remove this (thermostat)
any sketch drawing..
thank you

[div4gold]

That seems to be a good hot plate except for that cycling and not staying on at the hot heat setting. You can bypass the thermostat and wire it so that it stays on full heat all the time. If you can live with that then its easy to do, just don't forget to unplug it. I've got one of those also and the cycling drove me to drink I wanted to be able to have some heat control for the end of a run so I did some tinkering with the thermostat. What I did was to bend the little tab the contact points are mounted on so that it will now stay on full heat without cycling. You can turn the heat down with the thermostat now but you can't turn it completely off, you have to unplug it.

[ratflinger]

That hot plate is easily modded. Just remove the bottom & move thermo wire from one side to the other. Once the wires are connected together it will be always on. It's been a while since I did mine, but there was an an extra tab to attach the wire to, so I didn't even have to do anything permanent to it. I use a router controller on it (ebay), it has a on/off/variable switch, so it does everything I need with no cycling.

[scotty]

I bought a tab extender so i could plug boyh wires ont on terminal . All that counts is that the both wires that are plugged into the thermostat are always connected. Just make sure that after you mod the thing, that the ends of the wires dont touch the chassis of the hot plate. I use a ranco controll and a thermowell to controll the temp of my boiler. I set it fot abpve boiling with a 1 degree diferential. I sometimes use other temperatures when experimenting. i had the thermowell welded into my boiler-- a thermowell is an piece of stainless tubing that is welded closed at one end.
I cut a length that allows it to stay about 1.5 inches above the base of the boiler. the probe from the controll is then slid way down into the well. naturally another design is needed if you want to controll the head temp at the top of the tower. ill do some relays activated by a pid if i ever stop being lazy

[mtnwalker2]

Originally Posted by scotty

I bought a tab extender so i could plug boyh wires ont on terminal . All that counts is that the both wires that are plugged into the thermostat are always connected. Just make sure that after you mod the thing, that the ends of the wires dont touch the chassis of the hot plate. I use a ranco controll and a thermowell to controll the temp of my boiler. I set it fot abpve boiling with a 1 degree diferential. I sometimes use other temperatures when experimenting. i had the thermowell welded into my boiler-- a thermowell is an piece of stainless tubing that is welded closed at one end.
I cut a length that allows it to stay about 1.5 inches above the base of the boiler. the probe from the controll is then slid way down into the well. naturally another design is needed if you want to controll the head temp at the top of the tower. ill do some relays activated by a pid if i ever stop being lazy

Capt. Kirk "Scotty, full power to the ethanol condensors".
Scotty, "Sorry Capt. the terwilliger sp. crystals have fused".
Spock, "Bypass the thermo, and rheostat the input power".
Scotty, "Back online Capt."
Kirk, "Light speed, implement".

Just named my still the Enterprise! Makeing Spririts where no man has gone before. Nice thought anyhow.

[scotty]

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[div4gold]

Originally Posted by mtnwalker2

Capt. Kirk "Scotty, full power to the ethanol condensors".
Scotty, "Sorry Capt. the terwilliger sp. crystals have fused".
Spock, "Bypass the thermo, and rheostat the input power".
Scotty, "Back online Capt."
Kirk, "Light speed, implement".

Just named my still the Enterprise! Makeing Spririts where no man has gone before. Nice thought anyhow.

Ha , ha

[bassinjason]

Originally Posted by div4gold

That seems to be a good hot plate except for that cycling and not staying on at the hot heat setting. You can bypass the thermostat and wire it so that it stays on full heat all the time. If you can live with that then its easy to do, just don't forget to unplug it. I've got one of those also and the cycling drove me to drink I wanted to be able to have some heat control for the end of a run so I did some tinkering with the thermostat. What I did was to bend the little tab the contact points are mounted on so that it will now stay on full heat without cycling. You can turn the heat down with the thermostat now but you can't turn it completely off, you have to unplug it.

This seems pretty simple, but if you have a pic or a diagram, that would really help me out. I ordered the same hotplate and it will arrive today. Thanks!

[scotty]

I just received a burette clamp and a burette stand. I will put my thermo well onto the burette clamp so it extends downward into the mash. Then i will use the ranco controll to controll temp. This however is not how i controll temp for my still. I had a thermowell welded into the still and next run i will experimentwith the temperature probe in the still tower top. Im still pretty new at this so i havent made a run controlling the temp from the top of the still. Up tp this point i was just using the tower temperature as a guide to setting the temperature of the boiler.

I always appreciate guidance and recomendation.

OH YEAH--SAME TO YOU FELLA

[scotty]

Originally Posted by bassinjason

This seems pretty simple, but if you have a pic or a diagram, that would really help me out. I ordered the same hotplate and it will arrive today. Thanks!

JUST OPEN THE BOTTOM It is very straight foreward