please help it's frying
#1
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please help it's frying
ok tryed to replace my very old thermostat, to black wire, simple right... well conected the wires to the new therm. and the little resistence arond the thing started to fry, so i try reversing the wires... same thing ??? what is going on,

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ok sorry it has 2 black wire. the old honneyweel thermostat that was on there had those 2 black wire welded on it from the cie. look's like and they just reatached to the one s from the wall...
so as i said either way i put those 2 black wire onto the thermostat it is flying that metal resistance ring ??? thank all for help.
so as i said either way i put those 2 black wire onto the thermostat it is flying that metal resistance ring ??? thank all for help.
#5
You may have the wrong kind of thermostat.
As Jay said, you need to give more information. What is written on the old one and the new one. Brand, model, specifications? What type of heat do you have? Electric baseboard? Gas furnace? Boiler?
It's sort of like saying "my car won't start, whats wrong?" Just not enough information to give accurate advice.
As Jay said, you need to give more information. What is written on the old one and the new one. Brand, model, specifications? What type of heat do you have? Electric baseboard? Gas furnace? Boiler?
It's sort of like saying "my car won't start, whats wrong?" Just not enough information to give accurate advice.
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ok so... electric 220 basebord heater, there is nothing on the old ther. except the honneywell brand name, it is a rond dial... the new one is a dial as well but as the mercury thing... with two connections... there is nothing much else ...

#7
Well, if yer smoking it, it sure seems like you may have the wrong type thermostat.
No markings? What about the packaging? Did you get this from a flea market or something?
Thermostats are designed for specific applications. 220VAC, 110 VAC, low voltage, etc etc.
No markings? What about the packaging? Did you get this from a flea market or something?
Thermostats are designed for specific applications. 220VAC, 110 VAC, low voltage, etc etc.
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if that is 220V baseboard you need a line stat
,and thats what cooked it.the heat anticipator might of been not set and the amp draw burt it out if it was thin stat it must be low voltage control but watch that anticipator setting.if it was an exact change and low voltage watch it.

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well ok thanks a lot guys... those guys at home depot might as well be selling bras. i'll go back to the store and will know a little bit more. that salesman said that if i had a 2 wire tstat. any 2 wire connection t stat will do... yaaaa right, from what i see is full of shottt
for home depot not training there staff.
thanks a bunch, will do my home work.

thanks a bunch, will do my home work.
#11
There are two wire low voltage system out there, so that is maybe why he said this would work with out knowing what you had, but unfortunately there was a miscommunication on what type of system you do have.