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R22 Air compressor

  • Thread starter Thread starter omecojh
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omecojh

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Jul 21, 2005
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76
Hatteras Model
42' CONVERTIBLE (1971 - 1978)
Looking for 16,000 btu Dometic compressor, R22, 110 volt
 
I'll have one available in about a month. It's old but seems to work fine. I'm going to a self contained unit due to issues with evaporator and fans. I'll advise when I have it out. BTW it will be free if you pay shipping. I'm in Md.
 
SeaEric said:
I'll have one available in about a month. It's old but seems to work fine. I'm going to a self contained unit due to issues with evaporator and fans. I'll advise when I have it out. BTW it will be free if you pay shipping. I'm in Md.
Click to expand...

What unit are you going with and where are you putting it?
 
I’m looking to do the same, curious how much will need to be modified to fit it in that wall space.
 
a lot of room behind the wall. i kept the split, but that was a while ago.
with the current technology would probably would go with a self contained now.
what i did change was routing the output to the top of the cabinet.
i lost a small part at the back of the kitchen cabinet to do it but the air distribution is much better.
 
brettportzer said:
I’m looking to do the same, curious how much will need to be modified to fit it in that wall space.
Click to expand...

Assuming space is adequate you will have to route water (cooling) hoses to the pump, possible along the same route the refrigerant lines are running now. You would remove the latter. Depending on wire size you may have to upgrade the electrical supply as right now it is only powering a fan, whereas you would have to power the compressor/fan combo. You may or may not be able to use existing control wiring to the new thermostat, although I suspect it's going to come with a nice CAT-6 cable which you will have to snake.......
 
Last edited:
oscarvan said:
Assuming space is adequate you will have to route water (cooling) hoses to the pump, possible along the same route the refrigerant lines are running now. You would remove the latter. Depending on wire size you may have to upgrade the electrical supply as right now it is only powering a fan, whereas you would have to power the compressor/fan combo. You may or may not be able to use existing control wiring to the new thermostat, although I suspect it's going to come with a nice CAT-6 cable which you will have to snake.......
Click to expand...

Removal of the old setup, and then cabinet modification looks like the two hardest parts.

Water supply and outlet are good from that spot on the boat, but it seems like most of the self contained units are slightly too big for the space that the evaporator currently takes up.

Not that it won't fit, but that what is framed in is like an inch too narrow, which seems like it will necessitate removing the plywood from the wall and reworking the shelving inside a little bit.
 
The new unit may draw less, though, as they seem to mostly have rotary compressors as opposed to piston ones on the old split systems. I've heard that rotaries are quieter and draw less current.
 
brettportzer said:
It seems like most of the self contained units are slightly too big for the space that the evaporator currently takes up.

Not that it won't fit, but that what is framed in is like an inch too narrow, which seems like it will necessitate removing the plywood from the wall and reworking the shelving inside a little bit.
Click to expand...

This is why God invented sawzalls, rotozips and fire axes. And talented cabintmakers.
 
Eric,

What's wrong with it? Leaking freon?
 
If you are planning on keeping the boat awhile I would consider an A/C unit that will last.
Anything from Marine air, Wabasto, or dometic I would definitely avoid. If you just want a well built
solid unit that is not expensive take a look at Flagship Marine in Florida. Much better than the Domestic unit you are looking at. Best customer service in the business.
If you are willing to spend a little more, the top of the line is Frigomar. Variable speed compressor, excellent construction, and inverter based technology which will save you about 30% on your electric bill. I have these on my other boat and they are awesome units, probably last twice as long as anything else as well.
 
I would take the compressor if its not spoken for yet.ThanksPierreInvictus
 
rourkeh said:
If you are planning on keeping the boat awhile I would consider an A/C unit that will last.
Anything from Marine air, Wabasto, or dometic I would definitely avoid. If you just want a well built
solid unit that is not expensive take a look at Flagship Marine in Florida. Much better than the Domestic unit you are looking at. Best customer service in the business.
If you are willing to spend a little more, the top of the line is Frigomar. Variable speed compressor, excellent construction, and inverter based technology which will save you about 30% on your electric bill. I have these on my other boat and they are awesome units, probably last twice as long as anything else as well.
Click to expand...

I'm not sure if you directed this at me, but I have already puchased the unit that is being installed. And it it NOT a Dometic. I linked what i'm installing in #4 previous response.
 
cww said:
Eric,

What's wrong with it? Leaking freon?
Click to expand...

No, it cools fine. It's original 1966 equipment and the fans/air movement isn't optimal. I'll also upgrade controls and getting the compressor out of the engineroom will free up some valuable real estate. Pricey boat upgrades propel me in the direction of dying with a zero balance.
 
SeaEric said:
No, it cools fine. It's original 1966 equipment and the fans/air movement isn't optimal. I'll also upgrade controls and getting the compressor out of the engineroom will free up some valuable real estate. Pricey boat upgrades propel me in the direction of dying with a zero balance.
Click to expand...

If this is annoying, ignore me because maybe you already made up your mind regardless and don't want to hear it after you already bought it. But if the system is working fine then there is an adapter module you can buy that lets you run the old blue cruisairs off the updated SMX-II and newer controllers without rewiring anything. My whole boat has had that done, and it works great. The old 3 knob controls, the fan speed being stuck at +/-70% of max and the knob only adjusting it slightly is a common complaint. Those controls just don't give you a lot of variation in the fan speed.
 
SeaEric said:
I'll have one available in about a month. It's old but seems to work fine. I'm going to a self contained unit due to issues with evaporator and fans. I'll advise when I have it out. BTW it will be free if you pay shipping. I'm in Md.
Click to expand...

Thanks, but I found on local this past weekend.
 
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