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  #1  
Old 06-06-2012
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Yay or nay on Norcold box conversion unit?

I've been lugging ice for too long. Those of you that have the Norcold SCQT4407 box conversion unit how do you like it?
Being in the hvacr biz all my life has me thinking too much. it's on sale at Defender for a great price, WHICH is the motivation to get it soon!
SCQT 4407
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Re: Yay or nay on Norcold box conversion unit?

Yay.
For those who prefer an icebox, or for times when you're afraid of using too much of your battery reserve, you can always use ice. The evaporator doesn't take up that much space. On my boat the autopilot is much more of an energy hog than the fridge. I cool the fridge down as far as it will go while on shore power, then turn the thermostat up or off when sailing to save battery. That is a great price. Almost makes me wish my old one would break.
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Re: Yay or nay on Norcold box conversion unit?

Yay, you gotta have refrigeration. Ice is for cocktails
Once you install this system you can still lug ice if you're concerned about battery capacity. You just won't need to lug as much of it or as often.
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Re: Yay or nay on Norcold box conversion unit?

or gets some of those $$$ vertical ice cube trays LOL
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Old 06-07-2012
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Re: Yay or nay on Norcold box conversion unit?

Yay.

I installed one almost a year ago. We've had it running for as long at the docks so that we don't have to lug eggs, salad dressing, and other things, to the dock every weekend. It works great. It only draws 3 amps while running, and if you are insulated well, that won't be very often.

I bought ours at West Marine, which was competitive when I considered the shipping. It was easy to install (about 4 hours after the planning) and was straight forward. Well worth the $650 or so we spent.
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Re: Yay or nay on Norcold box conversion unit?

If you are in the trade you should consider installing a custom system rather than one of those DIY kits. (or at least modifying the kit). The precharged lineset is usually much longer than it needs to be, leaving you with a coil of copper to deal with. The quick couplers will inevitably leak down the road, so why not hard pipe it if you have the skills? I can't see what kind of compressor that unit is running, but Danfoss is the one you want. Their compressors are extremely efficient, multi voltage and variable speed.

I used to install custom refrigeration systems, and I bought all the components from Nova Kool; Condensing unit, evap plates, cap tube and thermostat. Then you also have the option of going with different evaporator plates instead of having to make the one L-plate work. That may work in your ice box, but some it doesn't fit so well. I used to use 2 smaller plates to make a freezer compartment within the box. On a friends boat we were even able to serve ice cream on a hot day!
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Re: Yay or nay on Norcold box conversion unit?

Schockt, I've allot of "junk" evaps and all kinds of refrigerants to play with. Sometimes it's just good to get something new. Agreed, Danfoss is the last word in 12volt compressors. Norcold does run a close 2nd. I do wonder, who makes Norcold's compressors? Quick connects leak? Not my experience. a drop or two of R oil makes the difference though.

The danfoss cu-84 is also has my attention.

12 ft of copper isn't a problem either.. will get the condenser closer to the battery banks. I know how precise the charge is and see no reason to change the ease of the installation.... brazing,,, nitrogen.. evac... charging.
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Re: Yay or nay on Norcold box conversion unit?

Quote:
Originally Posted by deniseO30 View Post
Schockt, I've allot of "junk" evaps and all kinds of refrigerants to play with. Sometimes it's just good to get something new. Agreed, Danfoss is the last word in 12volt compressors. Norcold does run a close 2nd. I do wonder, who makes Norcold's compressors? Quick connects leak? Not my experience. a drop or two of R oil makes the difference though.

The danfoss cu-84 is also has my attention.

12 ft of copper isn't a problem either.. will get the condenser closer to the battery banks. I know how precise the charge is and see no reason to change the ease of the installation.... brazing,,, nitrogen.. evac... charging.
Fair enough. If you aren't prepared to put in the effort, or don't have the skills and equipment to customize a system, by all means, put in a kit! They are a relatively cheap and easy solution.

I'll admit it was very early in my career that I was installing and repairing boat systems. These days I only do it for friends and fellow club members. Having said that, I would say the leading cause of refrigerant leaks in my experience, has been mechanical connections such as quick couplers. For that reason I am a big fan of hard piping systems. Of course if someone is paying a technician shop rates to do the job it can be expensive.
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Re: Yay or nay on Norcold box conversion unit?

Denise,
I just clicked on the link you provided and the info does not indicate this unit is for "marine" installation. Can that matter for condenser unit?
John
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Re: Yay or nay on Norcold box conversion unit?

Geeze Schockt this is not a competition, stop trying to bait me into a wizzing contest of skills and knowledge. I'm sure you are the greatest tech there is because you need to tell me

CC, all the 12volt units are not in my opinion "marine" since they all have plenty of painted steel. copper and aluminum, stainless never was a great conductor for DX coils.
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