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wow DIY has worked against you, watchout, those caps will Zap you

those turbo caps are the biggest waste of money available in the hvac trade



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Not DIY

Wasn't DIY, this was a technician. Wish I had DIYed!

 

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Wasn't DIY, this was a technician. Wish I had DIYed!

don't feel bad, i have told a few technicians the same thing


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thx



Is that the expected behavour is the fan is given too high a capacitance (ie. 60 micro farad instread of 5) ?

 

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Is that the expected behavour is the fan is given too high a capacitance (ie. 60 micro farad instread of 5) ?

yes, when you hook stuff up wrong, it lets the smoke out



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isnt lowes / home depot selling the replacement smoke packets these days ???

 

The EPA stopped them. Too much venting.

 

If the fan has the wrong capacitors, it is possible it won't turn, and it will overdraw current and basically overheat. Generally, capacitors are tuned after much experimentation in factories to see which capacitor works best for the job and motor, so getting a capacitor that is 10 times as large as required would definately cause things to go screwey. I am guessing if the capacitance is off by enough, the motor wont turn, and do the burn out(hence tripping of the circuit breaker) I am not completely sure though since I have no experience, I know that run capacitors are used to simulate a two-phase power supply to let the motor run more efficiently and smoothly, so if the large capacitor probably shifted the second phase so much that it cancelled out any benefits of a run capacitor in the first place. almost like having an automotive ignition system fire too early or too late.

hopefully compressor wasn't burnt as well.

Why did you change the capacitor in the first place?

 

those turbo caps are the biggest waste of money available in the hvac trade

Why do you say that? Have you had problems with them?

 

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read this thread, there is 1 problem

the other problem is that they are 10 times the cost as a normal capaciitor, which do the exact same thing



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Multi-function cap.s are a waste of $$$ in my book too.
Very expensive compared to a simple cap. (obviously more chances to be screwed up)
I just carry an assortment of old cap.s that still work for testing and emergency purposes.

 

I just carry an assortment of old cap.s that still work for testing and emergency purposes.

What then, go back out the next day and replace the "old emergency cap" with a new one. Doesn't seem cost effective.

I realize they are a much greater expense, but on the same hand stocking a few Turbos is much easier then stocking 8-12 duel caps (if you are going to have two of each roughly) and if your dealing with multiple service techs all the more. IMHO

As far as miswiring........thats HVAC 101, the problem is not the part its the tech, just sayin

I thought maybe you had ran across problems with them, like going bad in a year or something like that. I know around me in the middle of the summer supply houses can't keep them on the shelf.

 

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stocking a few Turbos is much easier then stocking 8-12 duel caps

8 to 12, heck i have probably 30 caps on the truck

let's see a few turbo's at $ bucke each = $

the 30 caps i got were about $

you gonna use a turbo for a 5 mfd replacement?

that means you paid $ for a $ part



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Not going to open a supply house in the middle of the night for a stupid cap. (cost effective?)

Most of the stuff I work on is critical & under contract (can't be down).

I just pick a new one & replace next time I'm there (usually weekly).

I just don't like the one size fits all concept. I like to keep things as they are.
Yes I can wire them up but more chance to go wrong (as you can see).
Another thing: those things are huge. We don't get enough room the way it is.

Didn't think I needed to defend myself on this but I have a thick skin.

 

Not trying to criticize anyone, to each his own. You have a point with the size thing though

 

We're cool Bill / to each his own. I just don't see much single phase & most of my emergencies are racing time with a customer breathing down my neck! Food products, computer rooms (A lot of banks), hospital equip. Stuff like that.

 

you gonna use a turbo for a 5 mfd replacement?

No, I stock 5, 7.5,10, and 15's - just use them in place of duel caps.

Again, not trying to tell you how to stock your truck do what works best for you. I thought you may have had an issue with them failing or something like that as I posted earlier thats all.

 

Some may be Estatic over these little multi-faced jewels, but I have to agree with an earlier comment "Just a Gimmic".

Could you see paying what we have to pay for that little jewel and using it because you didn't have a 5/440 mfd on your truck and trying to recoupe the cost from the customer (they'd feel RAPED). Way over priced to me! I rather just carry an assortment to meet my needs and charge my customer a fair price for services rendered.

Not much chance of mis-wiring a regular dual or single cap in the middle of the night with your flashlight dimming out, eh?

My Penny's worth,
Mike...