Question about Vinotheque Whisperkool 4200 Wine Cooling Unit (Max Room Size = 1000 cu ft)

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Whisperkool 4200 icing up

Good morning. I have a Whisperkool 4200 that I installed in my wine cellar 3 1/2 yrs ago. For the last month it has been icing up. I turn the unit off to thaw and then turn it back on and it ices up again within 5-6 hours. The icing is happening on the cellar side face where the vent holes are. The 2 fans in front and the 2 on the back of the unit are operating. What can I do?
Thanks for help,


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Hi, Bob:

Misery loves company, so I'm posting this even if it isn't in time to help you.

I had an XLT 8000 with similar problems. Vinotheque wanted to do the exchange program ($2,500+), and I was told the older aluminum coils might have leaked, and the exchange models come w/ SS coils. I was near to biting on that, when I decided to have a local refrigeration shop check it out.

Here's what they found--A MANUFACTURING DEFECT. It seems there are small copper capillary tubes that circulate the refrigerant. If they touch each other, with normal operating vibration they can wear holes in each other and the refrigerant can leak out. The leak can be very slow. According to the guy who fixed it (all for $219, and much of that was for drilling out the riveted-closed enclosure), "crossed cap tubes" is a Bush League mistake, akin to not putting oil in your car's crankcase.

I'm not saying WhisperKOOL/Vinotheque did this on purpose, knowing there would be an eventual failure and an opportunity to make another sale. But what the service guy told me was that IF the manufacturer was without scruples, a crossed cap tube would be the perfect way to take advantage of an unsuspecting customer.

My fix? Drill out the rivets, and find a local qualified service tech. Fixed in hours for $219 or in weeks with an exchange for $2,500... You choose.

Posted on Jul 14, 2010


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