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Re: Fan capacitator size for Saxon 500 wood heater
The size is generally on the case of the capicator and is writtten in mfd or a kind of ufd or uf (the U stands for micro) F and FD = farads. The voltage rating is important but not nearly as mich as MFD. The voltage rating is how much voltage the capicator can stand before becoming critical. This capicator is usually mounted on the exterior of the motor.
HOPE THIS HELPS PLEASE RATE ME ACCORDINGLY AND GOOD LUCK.
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If I am understanding you correctly, you are just wanting to circulate the air with your gas furnace and heat the air with your wood burning stove. You should be able to set the fan switch to the ON position and leave the heat/cool/off switch in the off position.
fans 1. oil the bearings,sae 30 or wd40 for places you cant get into. dont take fan motor apart unelse you realy have to.
dont let your fan motor bearings get worn egg shaped from lack of oil. 2. make sure fan blades not hitting or scraping fan housing and fan blades are securely fastened to fan motor shaft.
3.mr heater fan motor is 12 volts DC , so it may have a segmated comutator and brushes.
I dont know because i have not yet needed to take my mr heater fan motor apart but i have worked on hundereds of ac fan motors in the past 65 years. 4. keep fan motors from getting wet. they hate water. 5. keep fans clean, they dont like foriegn materials.
Your specific problem: first fan 2 weeks,second fan 2 months.
how much you use them, are you wearing the brushes down? Getting fan motor wet? foreign material getting pulled into fan or fan motor? off/on switch work ok. batterys good,battery contacts ok? fan transformer 110 vac to 12 vdc good? fan bearings oiled? need more info to diagnose properly. all of the above needs to be checked out to tell whats happened. fan & fan motor needs to be inspected.
if it is the fan that wont cut off, make sure the manual over ride button,(white push/pull) is in the auto position.if the burner will not cut off then the spring on the control is failing and the control should be replaced.control can be found online or at most heating supply companies.
If this is just a single speed fan motor, and you say you have an electrical section, depending on the voltage, 120/240, take a look at the fan motor which i am sure should be 120, and it should tell you how to wire the fan in. Without seeing this, it is difficult to see whats what?.I would say that everything is there to do this. If it has elect. heat, then I would disconnect it and use the fan which should already be wired in.If this blower fan is a part of the unit, it shouldn't be to hard to wire it in. But if this fan didn't come with the unit, then you will need the wiring diagram and a switch to control the fan.I hope this was of some help. More information on this unit would be helpful to me. Good Luck and let me know more if you can, Sincerely, Shastalaker7
Your problem has really got me interested in what you are attempting to do. So are you looking to diable the FAU while the wood stove is heating or activate the blower motor for the FAU when the wood stove is hot?