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422-D
so i was at the supply house today and watched a guy pull in with a **** box truck. picked up a Rudd 2ton 13s unit and and a walk in cooling unit. think nothing of it and go on with my day. so i go to subway Naples fl for lunch today and i see this guy next door and a little pizza place putting 422-d in the rudd unit help my thinking because idk?
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What is 422-d and what does idk mean ?
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R-422d is a refrigerant.
idk is text-speak for I don't know.
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Sounds like the beginning of an adventure for him. There are a lot of things different from a refer unit an a standard ac. Seems to me he's gonna find out what those are the hard way.
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That looks like a interesting refrigerant . Is it any good ?
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 Originally Posted by 54885488
That looks like a interesting refrigerant . Is it any good ?
Not a fan
Capacity losses make it a poor choice for R-22 replacement.
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 Originally Posted by ryan1088
Sounds like the beginning of an adventure for him. There are a lot of things different from a refer unit an a standard ac. Seems to me he's gonna find out what those are the hard way.
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whats going to happen when he needs to defrost lol if he even gets up to temp.
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Ok i get this thread walkin evap unit with the rudd unit as the condensing unit . Thats so far out there i could not connect the dots .
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I've heard of it being done and I suppose that, given proper sizing considerations and environmental considerations (HVAC equipment like that typically don't have low ambient controls that refrigeration equipment needs) it can be made to work.
I've never SEEN it and I think that I'd condemn it on the spot if I did.
Much smarter to install the correct equipment for the tech AND the customer.
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 Originally Posted by hvacman2213
whats going to happen when he needs to defrost lol if he even gets up to temp.
Far easier than you think.
Defrost could be accomplished with an add-on pressure control or an add on timer.
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I predict no less than 2 trips a year to "fix" it. Customer probably wanted the cheapest job possible and that's what they got!
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