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Beverage Air BB68 - Basket Case  Rating:  Rating
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 Posted: Sat Jul 17th, 2010 09:42 pm
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bdam

 

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Picked up an old Back Bar unit for dirt cheap but it's a bit of a basket case.  The various fans run but the compressor doesn't kick on.  There's pressure in the lines so at the very least there is some coolant.  The wiring is a mess and there's nothing electrical connected to the compressor.  I'll attach a few pictures here. There's the overload, starter relay, and a cap but I don't see anything that would connect to the 3 prongs on the compressor.  Any idea's what I'm missing?

In case it's relevant, wiring diagrams can be found here: http://www.beverage-air.com/images/barEquipment/manuals/BB%20manual.pdf


Attachment: IMG_3147 (Small).jpg (Downloaded 24 times)

Last edited on Sat Jul 17th, 2010 10:34 pm by bdam

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 Posted: Sat Jul 17th, 2010 09:43 pm
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bdam

 

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Different Angle

Attachment: IMG_3149 (Small).jpg (Downloaded 24 times)

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 Posted: Sat Jul 17th, 2010 09:43 pm
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bdam

 

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Here's the overload

Attachment: IMG_3151 (Small).jpg (Downloaded 24 times)

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 Posted: Sat Jul 17th, 2010 09:44 pm
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bdam

 

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And lastly, the relay.

Attachment: IMG_3153 (Small).jpg (Downloaded 24 times)

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 Posted: Mon Jul 19th, 2010 11:49 pm
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bdam

 

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A bit more info on the compressor; it's a Tecumseh AEA4440AXA. From what I can gather I'm missing the fusite connector to the compressor. Can these be purchased?

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 Posted: Tue Jul 20th, 2010 12:07 am
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the Connector on the Compressor, or on the Cable ?

 



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 Posted: Tue Jul 20th, 2010 12:36 am
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bdam

 

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The connector to the compressor. It has 3 prongs which I have seen described as a fusite connection. I have a power cord connected to a starter relay and overload protector but nothing was wired to the compressor itself. Most images of this compressor show a cover or box below the cap; I'm assuming the relay and overload would normally sit in there.

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 Posted: Tue Jul 20th, 2010 01:16 am
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see PDF page 31 & 32

"electronic" Starters ... (not Hard Start kits)

http://www.supco.com/Appliancecatalog2007.htm/20-35%20Final%2012-15-06.pdf



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 Posted: Tue Jul 20th, 2010 01:45 am
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So you're thinking something like the URCO41 (1/3hp 115v)?

 Since stuff is just dangling there now, replacing it all with a single unit sounds great.  However, I'm not sure what you meant by the distinction between electronic starters and hard start.  Most of the stuff listed on those two pages refer to giving a boost for hard start.

Last edited on Tue Jul 20th, 2010 01:50 am by bdam

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 Posted: Tue Jul 20th, 2010 02:00 am
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that one would be a hard-start..

 

 I'm not sure, but take a look at the first (3) pictures (and description) on PDF page 31

no mention of "boost"



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 Posted: Tue Jul 20th, 2010 03:18 am
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bdam

 

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Ok, gotcha. It doesn't look like any of those have a fusite connection but I'll just have to figure something out on that end of things.

Is there any particular reason to stay away from the hard-start models? It seems like they're designed to give an extra bit of starting power beyond the OEM cap. This compressor is 14 years old and there's a good chance it won't start at all although nothing is ground out and the terminals all have continuity between each other.

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 Posted: Tue Jul 20th, 2010 04:14 am
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(although I've never used one ...)

in the chart on the right,

if the column says "Push - on" , then it just pushes on ...

the wires you see, go to the Capacitor and Overload

such as the PO115

click on picture


 



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 Posted: Tue Jul 20th, 2010 02:31 pm
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Ahh, my bad, my monitor at home is a bit washed out and I didn't see the pin holes in those parts.  So based on all that, it looks like my best bet is a PRO41.  Looks pretty easy to install.

Two followups:

First, since the 3 prongs are symmetrical, is there an easy way to figure out which is the common, run, and start terminals?  My guess is just figure it out by the different resistance between them: lowest would be run, next would be start, and last would be run to start.

Second, when asked about an appropriate cap replacement, RepairClinic simply stated that they do not carry parts for my model.  I gave them the compressor model as well as the cap's part number (85PS110C90) and relevant details (110v 60hz 145-175MFD).  I didn't expect them to by model, but they have 500 caps, likely one of them would work but there's no good way of finding them by the relevant details.  Think they'd have one or do I just need to look elsewhere? Thanks again for you help.

Last edited on Tue Jul 20th, 2010 02:33 pm by bdam

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 Posted: Tue Jul 20th, 2010 02:53 pm
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https://estore.industrialcontrolsonline.com/default.aspx?page=item%20detail&itemcode=85PS110C90



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 Posted: Tue Jul 20th, 2010 03:40 pm
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bdam

 

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Thanks, I had seen that but was hoping that RepairClinic would have it; I guess not.

Welp, I'll order it up and see what happens.

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 Posted: Sun Nov 14th, 2010 09:20 pm
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Welp, almost 4 months later and the room this is going in is almost ready to paint. Time to get this working or toss it. I replaced the relay and run capacitor but the compressor is shot.

A question about replacing the compressor. The direct replacement still exists but is r12. I'm assuming I would have to convert it to r134 so should I look for a different compressor model specifically designed for r134?

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