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Thread: r408a to r404a
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12-03-2007, 07:26 PM #1
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r408a to r404a
Good evening guys, just a quick question, Ive been unlucky enough to come across a cornelius 2 door counter top freezer running on r408a. It hasn't been holding temp properly for a while, condenser was stuffed right up with dirt. Apart from washing the condenser I haven't done anything else to it yet but it still struggles to get past -13 so I'm thinking low gas/capilary getting blocked up.Anyway to cut a long story short, can I use r404a If I end up taking it to bits as I don't carry r408a.
Andy
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12-03-2007, 08:34 PM #2
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Re: r408a to r404a
No, I don't think you can.
Or rather, I don't think you are supposed to.
It probably would work though, but for how long!?
Best to try and sell a new unit.
Chillin
IF AT FIRST YOU DON`T SUCCEED.
DESTROY ALL EVIDENCE THAT YOU TRIED!
and go get a cuppa
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12-03-2007, 08:46 PM #3
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Re: r408a to r404a
hi andy,
R408b is a drop in for the old R-502 i think it's a old installation and working with miniral oil.
You can charge the unit with R-404a but you have to change the oil and the dreier.
the best way is selling a new one.
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12-03-2007, 11:46 PM #4
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Re: r408a to r404a
hi andy, I personally am partial to 402a (HP80) for a 502 replacement. It runs slightly higher head pressure but it has a bit more capacity than 502.
