On 19 July 2011 06:45, Joe Wronski wrote: > =A0Maybe I should have out EE in the subject line. =A0I got no replies. > I went ahead with a $10 Packard Inc capacitor from an Ebay dealer to > replace the AmRad unit. =A0It is the same value as the original, and the > only difference was a metal package rather than plastic, and it was a > little bit taller, but there was room to spare. > Fan and compressor motors started and ran fine, and I was happy with the > results, but a "picker" that came over to buy a screen house took it > along with a pick-up load of other stuff along with the screen house. =A0= I > now have more cash to pay the movers and less stuff to move. =A0Win / win= .. > > Joe W > HVAC repairman for a day. > > > On 7/13/2011 1:39 AM, Joe Wronski wrote: >> =A0 =A0After seeing the thread about the AC unit that doesn't want to wo= rk on >> Sundays, and some of the ideas about =A0capacitors, =A0now I have a ques= tion >> I hauled out a 10 year old window AC and plugged it in, and it got cold, >> but the fan was very weak. =A0After some fiddling with off/on and >> fan/cool. the compressor stopped working. =A0Took it apart and there is = a >> single capacitor unit for both motors, and it is cracked and leaked >> internal fluid that is now a hard substance. (Hope it's not too toxic). >> So the cap is obviously gone. =A0The problem is, an exact replacement >> (AmRad Engineering 35 + 4 MFD) is about $40, real money for a 10 year >> old unit. =A0But lots of 35 + 5 MFD units are available for under $20, a= nd >> that seems worth a try. >> The question is, will a 5 MFD cap work where a 4 MFD cap was designed >> in? =A0Will it burn out the motor? >> I'm not sure if it's a start or a run cap; on the AmRad site, it's >> listed as a run cap. >> Thanks, >> > > > -- > Joe Wronski > Stillwater Embedded Engineering > www.stillwatereng.net > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > Hi Joe, Something's not right here - I did reply to the origonal post. (I suggested that the cheaper cap would be worth a try.) RP --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .