S400 honey well timer

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mcguirehg
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Post by mcguirehg » Sat. Oct. 20, 2018 8:21 pm

I tried to update my timer and messed up the wiring. The Mercurio switch exploded due to the miss wiring. I know need to put the old timer back on so my stove doesn’t quit. I have black wire to 1, 2 to white, 4 to red. The timer isn’t moving. Does anyone know how to wire this up correctly? Ty Dan

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StokerDon
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Post by StokerDon » Sat. Oct. 20, 2018 8:33 pm

It sounds like you have it right. 1 should be hot (black), 2 should be neutral (white). If you have 120 volts AC on these terminals, the clock motor should run. If not, the clock motor is bad.

-Don

 
mcguirehg
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Post by mcguirehg » Sat. Oct. 20, 2018 8:40 pm

It was worker before I changed it and Fried the new timer. Is there a way to test it?

 
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StokerDon
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Hand Fed Coal Furnace: Harman SF3500 reduced down to 3 grates connected to its own plenum
Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
Other Heating: Noth'in but COAL! Well, Maybe a little tiny bit of wood

Post by StokerDon » Sat. Oct. 20, 2018 8:48 pm

If you verified that you have 120 volts across terminals 1 and 2, and you know for a fact that the motor is not running, you did test it.

I guess the question is, how did you verify that it is not running?

-Don


 
mcguirehg
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Post by mcguirehg » Sat. Oct. 20, 2018 8:51 pm

The timer normally runs and you can visually see it.

 
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StokerDon
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Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
Other Heating: Noth'in but COAL! Well, Maybe a little tiny bit of wood

Post by StokerDon » Sat. Oct. 20, 2018 8:55 pm

mcguirehg wrote:
Sat. Oct. 20, 2018 8:51 pm
The timer normally runs and you can visually see it.
Do you see 120 volts on 1 and 2?

-Don

 
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Post by mcguirehg » Sat. Oct. 20, 2018 9:55 pm

It appears it’s working. The timing is off. It rubs for over two minutes when set for one minute. Anyway to replace bulb on the new unit that I broke?

 
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StokerDon
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Hand Fed Coal Furnace: Harman SF3500 reduced down to 3 grates connected to its own plenum
Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
Other Heating: Noth'in but COAL! Well, Maybe a little tiny bit of wood

Post by StokerDon » Sat. Oct. 20, 2018 10:06 pm

So, this "New" one that you are talking about is an S400 A, or something else?

I ask because I doubt that anything made in the last 40 years has a Mercury switch in it.

-Don


 
mcguirehg
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Post by mcguirehg » Sat. Oct. 20, 2018 10:35 pm

Yes, I purchased it unused online

 
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StokerDon
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Hand Fed Coal Furnace: Harman SF3500 reduced down to 3 grates connected to its own plenum
Coal Size/Type: Rice, Chestnut and whatever will fit through the door on the Harman
Other Heating: Noth'in but COAL! Well, Maybe a little tiny bit of wood

Post by StokerDon » Sat. Oct. 20, 2018 10:57 pm

You could just swap the old Mercury switch over to the new S400.

-Don

 
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Post by mcguirehg » Sun. Oct. 21, 2018 9:07 pm

That’s my thought. The new timer should be more accurate. When I first hooked up the new timer I thought I did it incorrectly because it was spinning around. Now that I think about it the timer was most likely calibrating. When I changed the wires I probably made my mistake and blew up the mercury switch.

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