Front ac unit - Printable Version

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+--- Thread: Front ac unit (/showthread.php?tid=2561)

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Front ac unit - Brad Townsend - 10-12-2015

Well plans changed and instead of spending the winter in Vermont this year we decided to go back to our winter spot near Yuma az on BLM land. My front ac unit has decided to stop blowing cold air, gets down to about 70. It is around 100 outside, 90 inside.
The other ac units are blowing in the 50's. The front was working fine but on start up I was watching the amp gauge and it pegged out max then settled down this ac is also on the same leg as the back ac. I have been having problems with the blower motor and it finally went on the front unit so I pulled the mid ac blower unit and put it in the front because it seems to provide more cold air and I need the front cooler than what the mid ac can do. The Mid ac blower motor is a new replacement from newell which says they can no longer get replacements. So now not being able to get cold air from the front ac unit i moved the good blower motor back to the mid ac and between the back ac unit and the mid unit the coach is tolerable but the front is still very hot. Mind you we are off grid so we run the gene for about 5 hrs in the later part of the day/night. 
The ac units were checked out and recharged last year by Newell and the front ac unit was working very strong before it stopped producing cold air. 

Anyone know of a supplier for the blower motors?

Brad

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RE: Front ac unit - HoosierDaddy - 10-12-2015

I took one of my condenser fan motors to my local rebuilder. He couldn't even find bearings for it. !! I'm thinking of tearing it all out and going to a ducted mini-split unit..

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RE: Front ac unit - folivier - 10-12-2015

Brad, Steve Magown did a nice replacement on his 1997 using roof airs. If a split unit doesn't work that could be an option.
In the meantime a portable air conditioner could work.

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RE: Front ac unit - Brad Townsend - 10-12-2015

Thanks guys for the feed back.
I found a place in Yuma , Precision electrics, that thinks they can match motors so will give them a try. I have Solar on the roof so no space for external unit. Will also try cleaning the intake in the basement.

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RE: Front ac unit - PMCBR - 10-12-2015

Grainger for motors they had one for my unit. I called Newell they told me what motor to buy. Had to cut shaft to match old motor 

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RE: Front ac unit - Brad Townsend - 10-12-2015

You don't happen to have a part number do you.
Atepmts with Precision electric failed.

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RE: Front ac unit - PMCBR - 10-12-2015

Sorry no. 

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RE: Front ac unit - Brad Townsend - 10-12-2015

Found this on Grainger but it only has 2 wires. wondering why the original has 3 wires, could it be because on the thermostat there is a fan only mode?


http://www.grainger.com/product/FASCO-1-15-HP-38N555?internalSearchTerm=1%2F15+HP%2C+HVAC+Motor%2C+Shaded+Pole%2C+1600+Nameplate+RPM%2C+120+Voltage%2C+Frame+3.3&suggestConfigId=8

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RE: Front ac unit - Brad Townsend - 10-14-2015

So after many phone calls and hours online with no solutions I decided to buy a similar motor same size body diameter and shaft size and take the end caps off and put them on the old motor and it worked out just fine. The problem was a worn bushing. The motor cost $54, a past replacement motor i purchased that I can no longer get cost $180.

Brad

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RE: Front ac unit - HoosierDaddy - 10-14-2015

Great idea , Brad. I have a condenser fan motor here in my shop that has worn bushings...I will try that....Thanks

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