Outdoor Wood Furnace Info
All-Purpose OWF Discussions => General Outdoor Furnace Discussion => Topic started by: dutch on August 07, 2018, 04:09:32 PM
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hey , just wondering if anyone has set up some kind of switch to shut down blower when temp drops a few deg past the fan on set point, i have a bl 28-40 and would like to do this so if i dont fill it when it runs out of wood , the fan wont cool down water temp so fast. thanks andy.
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I haven't but I know there were some threads about that a while back, hopefully they'll chime in.
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maybe once the weather cools off , someone will chime in.
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Electronic or mechanical temperature controller (temperature switch) of your choice. Hot line feeding the blower is intercepted and connected to the common side of the controller relay, blower line is connected to the normally open side of the relay. Set the temperature below your factory blower cut-in. Jumper the new blower wires feeding the relay in the controller with a switch, this will be your bypass so you can get it back up to temperature once it has tripped. You'll have to remember to flip the switch back unless you put a "delay-off" timer of some sort on it.
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I still have some of those ranco controllers that I had modified for this purpose. If you are interested, send me a message and I can send some more info.
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I bought one from RSI and it was awesome saved a lot of wood.
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thanks , my portage and main has both controllers i think , which one would be best to modify.
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Electronic or mechanical temperature controller (temperature switch) of your choice. Hot line feeding the blower is intercepted and connected to the common side of the controller relay, blower line is connected to the normally open side of the relay. Set the temperature below your factory blower cut-in. Jumper the new blower wires feeding the relay in the controller with a switch, this will be your bypass so you can get it back up to temperature once it has tripped. You'll have to remember to flip the switch back unless you put a "delay-off" timer of some sort on it.
Could one run that through something like a simple 60 minute bathroom timer? I know I'll never remember to flip a switch lol. I'm also electrically handicapped so I hope I'm understanding this correctly
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You got it. Walk up to cold boiler and push a button, timer is activated and combustion fan runs. As long as the water temp clears the set point temp before the timer ends.
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Im confused , hooking the hot line to the common side is a short, i have the wiring diagram for the 419 controller and it has a white , black , orange and brown, not sure how to connect, thanks.
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Im confused , hooking the hot line to the common side is a short, i have the wiring diagram for the 419 controller and it has a white , black , orange and brown, not sure how to connect, thanks.
I believe when the term common was used it was meant the common terminal on the relay not the neutral.
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Two terminal blocks, left and right. Left side has white in second slot, black in third.
Right side, Orange in second slot, brown in third.