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Audrey II

USA
8973 Posts

Posted - Jun 28 2020 :  18:18:22  Show Profile  Reply with Quote
Looking for advice from someone that has real knowledge on this topic.
I have two split units on my boat the condensers are in the cockpit and the air handlers are in the cabin. One of the condensers is not getting cold it turns out this unit has two air handlers a port and a starboard unit making it very hard to replace with a simple combo unit which was my plan. Now the question is can I replace just the condenser unit with a 410 unit and use the existing hoses and air handlers? I have seen some articles that say it can't be done and then I have seen an ad from a home company in Vagas that said they do it all the time and it works just fine. Ideally I would like to just replace everything but this would be a major job and extremely expensive! While there are several Trojans on this forum I don't believe any of them have the same setup as my boat. This was done to keep the sound level to a minimum when the boat was built, this said the newer units run much quieter so I don't think it's an issue anymore. If there was a was to combine the port and starboard into one unit I would be happy but I'm seeing a way to do this. I may be able to abandon the starboard unit and add a vent on the port side but I would loose the captain's air as well.
Any advice welcome!

Dave

“Time you enjoyed wasting is not wasted time.” – T.S. Elliotcommon.
-----------------------------------------------------------

1996 440 Trojan Express

PascalG

USA
22546 Posts

Posted - Jun 28 2020 :  19:21:04  Show Profile  Reply with Quote
Split units with the condenser in the ER (or Laz) are ok. If the condenser or compressor needs to be replaced itt’s fine... it s no big deal. I don’t like self contained because of the noise and running raw water.

Pascal
1970 Hatteras 53 MY
26' Starfish sloop
12' Westphal Catboat
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Audrey II

USA
8973 Posts

Posted - Jun 28 2020 :  19:53:01  Show Profile  Reply with Quote
The problem is my unit is an R22 unit I should have made this more clear!

Dave

“Time you enjoyed wasting is not wasted time.” – T.S. Elliotcommon.
-----------------------------------------------------------

1996 440 Trojan Express
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Audrey II

USA
8973 Posts

Posted - Jul 04 2020 :  02:18:50  Show Profile  Reply with Quote
Well the good news is I had an AC repair tech come to my boat yesterday and in only a few minutes he. Charged one of my units and it is working great now and he told me I had a bad control board on the other unit. I had suspected the board was bad for while so at the winter boat show I ordered a new upgrade board and high pressure switch. I had the tech install the switch and then I replaced the controller board I'm happy to say both units are working great now!

Dave

“Time you enjoyed wasting is not wasted time.” – T.S. Elliotcommon.
-----------------------------------------------------------

1996 440 Trojan Express
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WALSHIE

USA
12048 Posts

Posted - Jul 06 2020 :  10:37:10  Show Profile  Reply with Quote
Awesome - congrats!

Favorite Quote: Don't sweat the petty things...AND...Don't pet the sweaty things!! - Steven Tyler
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Gregory S

USA
11988 Posts

Posted - Jul 06 2020 :  12:26:23  Show Profile  Reply with Quote
I don't think we'll be able to recharge with R 22 after this year.
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pdecat

USA
37049 Posts

Posted - Jul 06 2020 :  13:25:55  Show Profile  Reply with Quote
What happens after then Greg. Can they substitute the new stuff?

Bruce


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Good Grief

USA
2200 Posts

Posted - Jul 07 2020 :  08:01:07  Show Profile  Reply with Quote
Take a look at this Dave -

https://www.comstarproducts.com/rs-44b-refrigerant-r22-replacement

Dunno how available or price point- just a quick google search.

-Gene
"The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge." - Stephen Hawking
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Gregory S

USA
11988 Posts

Posted - Jul 07 2020 :  12:42:47  Show Profile  Reply with Quote
That rs-44b refrigerant is a product that can apparently be mixed with r-22. Prior to that, it was my understanding that all r-22 had to be taken out of the system and the system had to be flushed prior to filling with newer refrigerant. So I think this is good news for those of us with the older systems
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Audrey II

USA
8973 Posts

Posted - Jul 07 2020 :  23:14:32  Show Profile  Reply with Quote
This is great news thanks for sharing!

Dave

“Time you enjoyed wasting is not wasted time.” – T.S. Elliotcommon.
-----------------------------------------------------------

1996 440 Trojan Express
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