Question about Beverage-Air MT45 Beverage Cooler Commercial

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I replaced th compressor on my Beverage Air cooler the tag calls for 18.5 oz. R-12 The new compressor is R-134a Does it take the same amount of refridgerant?

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Marat Brikov

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process of replacing compressor on beer cooler. Hope that helps.

Posted on Aug 25, 2015

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Luis Calderon

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Did you replace the filter dryer and vaccum? and the best way to go is by temp on your gages that will give you the pressure on the scale wich is about 28.5 for a 30degree temp.

Posted on Oct 24, 2013

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Tracy Farrell

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SOURCE: bev air cooler

Bill, the main reason I've noticed for higher than normal temps in these boxes is filthy condenser coils (this will affect pressures in your sealed system). Remove the front lower panel and inspect your coils. Use a coil brush or a dust broom to thoroughly clean them up, don't use water. You can also pick up some condenser coil cleaner in a spray can from your local appliance parts store, but it's not necessary (the fumes are strong and may be objectionable to your customers... it gets 'em really clean, though!) After cleaning the coils, allow 24 hours for temps to stabilize. If they don't, here is a site for Beverage-Air, contact your local servicer with you exact model and serial number for pressure specifications. http://www.beverage-air.com/technical.service.html Hope this helps! Let us know, will ya?

Posted on Aug 13, 2007

espressonist

espressonist

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SOURCE: PIZZA PREP TABLE BEVERAGE AIR

If you had a repair person to replace the compressor the you should not need to anything more. We believe the repair man have check also of the evaporator and condenser were working ok since from what we undestand he did not mention that they have any problems. So the problem is either the compressor starting kit is not working properly or the repair man left some wires loose. The second posibilty the freon charge is not the proper one and need to be check again if the gas pressure low and high are ok. Finnaly every time we replace a compressor on comercial refrigerator we also replace the freon gas filter if he didn't then there is a posibilty after the compressor replacement the filter to be goggle. As you have already notice from repair person in order to deal with freon gas you need special tools and also you need to have a national licence. Also if you have paid so match money for the compressor replacement then you should demand from them to check why the fridge still have problem to low down the temperature, if they have done a poper jop then the fridge would work better than before.

Posted on Aug 31, 2011

David

  • 4 Answers

SOURCE: What does the overload relay look like a

Normally thermal overloads have a button like appearance on the compressor. Designed to open circuit when temp has caused distortion to the bi-metal contacts. Upon cooling will close again. Disconnect power before checking continunity on the overload terminals.

Posted on Nov 18, 2011

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Are you replacing the compressor, or just reinstalling the old one?? For a new compressor I added one small can of oil - 4 oz? - and two cans of r 134a, 12 oz.

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1 Answer

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Wont cool


1. try cleaning the condenser it's gotta to have some dirt.

(if it looks clogged, turn the unit off and spray the condenser with a water hose!) it should throw out some dirt

if you did step 1 and still no cooling suspect a small refrigerant leak.

most of the times if its r-134a, i go down to autozone and buy a stop leak for r-134a and charge it into system.

also if theres a refrigerant leak,i'd get a tech to check and correct leak (if he finds it) but that's worse case scenario :) I'd go with dirty condenser.... email me at [email protected] if you need more info.

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