Cruisers Forum
 


Join CruisersForum Today

Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 01-02-2018, 09:08   #31
Registered User

Join Date: Jan 2013
Location: Canary islands
Boat: Custom 55
Posts: 891
Re: Holding plate freezer 12v recommendations

Quote:
Originally Posted by Bill Seal View Post
???????????????
Amp hours per what? Minute, hour, day, year?
I'm sure we all understand that he meant 41 amps, not amp hours.
__________________

__________________
TJ, Jenny, and Baxter
svrocketscience.com
TJ D is offline   Reply With Quote
Old 01-02-2018, 09:20   #32
Registered User

Join Date: Jan 2013
Location: Canary islands
Boat: Custom 55
Posts: 891
Re: Holding plate freezer 12v recommendations

Quote:
Originally Posted by sailor bum 2020 View Post
You should research Nova Cool system
Thanks, will do.
__________________

__________________
TJ, Jenny, and Baxter
svrocketscience.com
TJ D is offline   Reply With Quote
Old 01-02-2018, 09:21   #33
Registered User

Join Date: Jan 2015
Location: SoCal
Boat: Formosa 30 ketch
Posts: 543
Re: Holding plate freezer 12v recommendations

It was in their brochure, mistakes like that make one question their technical expertise. I've been following this thread, interested in the concept of two stage cooling.
Bill Seal is offline   Reply With Quote
Old 01-02-2018, 09:33   #34
Marine Service Provider

Join Date: Dec 2016
Location: Toronto On Canada
Boat: Bristol 45.5
Posts: 736
Re: Holding plate freezer 12v recommendations

Quote:
Originally Posted by Bill Seal View Post
It was in their brochure, mistakes like that make one question their technical expertise. I've been following this thread, interested in the concept of two stage cooling.


What do you mean two stage cooling , are you referring to a spill over system ?

Regards John
Typhoon is offline   Reply With Quote
Old 01-02-2018, 09:46   #35
Registered User

Join Date: Jan 2015
Location: SoCal
Boat: Formosa 30 ketch
Posts: 543
Re: Holding plate freezer 12v recommendations

High power when the engine is running, lower (<5 amps) when on batteries.
Many years ago, while jeeping down in Baja, we ran across some HVAC types who had converted an automotive AC unit to an ice cube maker for their afternoon margaritas.
Bill Seal is offline   Reply With Quote
Old 01-02-2018, 10:07   #36
Registered User

Join Date: Jun 2009
Location: Annapolis, MD
Boat: Gozzard, 44CC, 50'
Posts: 263
Re: Holding plate freezer 12v recommendations

I've had my DC Seafrost ref / frz system since 1998 and not one problem. I would seriously consider replacing the module. JMHO
Scrimshaw4 is offline   Reply With Quote
Old 01-02-2018, 10:11   #37
Registered User

Join Date: Jan 2018
Posts: 1
Re: Holding plate freezer 12v recommendations

I'm kind of curious- was the original question ever really answered yet?
bigezee69 is offline   Reply With Quote
Old 01-02-2018, 11:19   #38
Marine Service Provider

Join Date: Dec 2016
Location: Toronto On Canada
Boat: Bristol 45.5
Posts: 736
Re: Holding plate freezer 12v recommendations

Quote:
Originally Posted by Bill Seal View Post
High power when the engine is running, lower (<5 amps) when on batteries.
Many years ago, while jeeping down in Baja, we ran across some HVAC types who had converted an automotive AC unit to an ice cube maker for their afternoon margaritas.
While these add-ons to your basic refrigeration system will help add to more efficient use of available power. They are usually the first thing to fail in the marine environment. I have talked to many installers and they all note it is the first thing they take off . You can achieve almost the same thing with a simple speed switch mounted on a control panel away from the hidden areas where your compressor lives and do it manually .

Regards John.

Typhoon is offline   Reply With Quote
Old 01-02-2018, 12:32   #39
Registered User

Join Date: Jan 2013
Location: Canary islands
Boat: Custom 55
Posts: 891
Re: Holding plate freezer 12v recommendations

Quote:
Originally Posted by bigezee69 View Post
I'm kind of curious- was the original question ever really answered yet?
Nope!!
__________________
TJ, Jenny, and Baxter
svrocketscience.com
TJ D is offline   Reply With Quote
Old 01-02-2018, 14:33   #40
Moderator
 
a64pilot's Avatar

Cruisers Forum Supporter

Join Date: Oct 2013
Location: Albany Ga.
Boat: Island Packet 38
Posts: 26,844
Holding plate freezer 12v recommendations

Not sure what the original question was.
However for reference my box that I posted the picture for is 14 cu ft, and has the original not so good 30 yr old insulation.
What makes it cool so well is that it has a BD-80 compressor.
Your not going to Cool a big box well with a small compressor, unless it has some super good insulation, like a thermos bottle.
If you want DC electric, I think your going to need a BD-80 to be happy.
Of course seeing as how there is no free lunch, that big boy compressor is going to pull more amps than itís little brothers, but itís not nearly as bad as I thought it would be, Iíd guess I use 100 AH in a 24 hour day with the big, poorly insulated box, I am certain that good insulation would at least cut that number in half.
a64pilot is offline   Reply With Quote
Old 01-02-2018, 23:32   #41
Registered User

Join Date: Jan 2013
Location: Canary islands
Boat: Custom 55
Posts: 891
Re: Holding plate freezer 12v recommendations

Quote:
Originally Posted by a64pilot View Post
Not sure what the original question was.
However for reference my box that I posted the picture for is 14 cu ft, and has the original not so good 30 yr old insulation.
What makes it cool so well is that it has a BD-80 compressor.
Your not going to Cool a big box well with a small compressor, unless it has some super good insulation, like a thermos bottle.
If you want DC electric, I think your going to need a BD-80 to be happy.
Of course seeing as how there is no free lunch, that big boy compressor is going to pull more amps than itís little brothers, but itís not nearly as bad as I thought it would be, Iíd guess I use 100 AH in a 24 hour day with the big, poorly insulated box, I am certain that good insulation would at least cut that number in half.
You're on the right track. The original question was looking for a recommendation for a high-capacity holding plate system. I would much prefer to draw big amperage for a shorter time than have a little unit run all day long.

So, that's what I'm trying to get at-to see if anybody has a recommendation for this kind of system. The BD-80 is in the right direction.
__________________
TJ, Jenny, and Baxter
svrocketscience.com
TJ D is offline   Reply With Quote
Old 01-02-2018, 23:56   #42
cruiser

Join Date: Dec 2006
Posts: 405
Re: Holding plate freezer 12v recommendations

Hi TJ,

We can supply a complete freezer system package using a *3.5cc compressor either air cooled only 12VDC condensing unit with twin fans and large condenser area (Model A480), or a air/ water cooled Model AW480. Either coupled to twin eutectic stainless steel plates model P53-35-6. The cost would be $2231.70 plus courier estimate of $252.00. (Note: *Secop BD80 is only 3.0cc, BD50 is 2.5cc and BD35 is...too small, forget it! )

OzePete Ozefridge | 12 Volt Refrigeration Systems
OzePete is offline   Reply With Quote
Old 02-02-2018, 00:07   #43
Registered User

Join Date: Jan 2013
Location: Canary islands
Boat: Custom 55
Posts: 891
Re: Holding plate freezer 12v recommendations

Pete, is that in Aussie dollars? 404 on the refrigerant?
__________________
TJ, Jenny, and Baxter
svrocketscience.com
TJ D is offline   Reply With Quote
Old 02-02-2018, 00:38   #44
cruiser

Join Date: Dec 2006
Posts: 405
Re: Holding plate freezer 12v recommendations

Hi, that's Aussie dollars and an R134a system. Plates set to cut out at -23.3C (-10F) and they get there easily. Check our web site
Cheers,
OzePete Ozefridge | 12 Volt Refrigeration Systems
OzePete is offline   Reply With Quote
Old 02-02-2018, 00:51   #45
Registered User

Join Date: Jan 2013
Location: Canary islands
Boat: Custom 55
Posts: 891
Re: Holding plate freezer 12v recommendations

Thanks, Pete-sounds like a good deal. I'll keep it in mind. I'm still pretty convinced that I want to get away from 134a, though. My previous system achieved plate temps of -30F quite easily. I'm really looking to replicate this performance.

Really, the whole idea, as you understand, is to get the box super cold when there's extra power. Keeping the plates at -30 while motoring yields some seriously cold temps in the box. I routinely saw box temps of -7 or -8F after a few hours of motoring. The thing wouldn't run for 24 hours after that, meaning that my effective AH use was zero for the freezer for that day.

It's also possible that to get to this level of performance again will be too expensive. In this proves to be the case, you'll be the first guy I call.
__________________

__________________
TJ, Jenny, and Baxter
svrocketscience.com
TJ D is offline   Reply With Quote
Reply

Tags
freezer, men

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Terminology help: Damper plate, clutch disc, pressure plate, drive damper pbmaise Engines and Propulsion Systems 21 21-08-2016 08:52
Freezer not a real freezer Drift Woods Provisioning: Food & Drink 21 15-03-2016 13:06
How do I use a holding plate freezer? msponer Provisioning: Food & Drink 19 30-01-2016 13:00
Bobstay Plate / Backing Plate Question zboss Construction, Maintenance & Refit 15 14-08-2013 09:12
For Sale: Complete 12vdc Holding Plate Fridge / Freezer System SoggyPaws Classifieds Archive 3 08-04-2011 16:19

Advertise Here


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 01:58.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
×

ShowCase vBulletin Plugins by Drive Thru Online, Inc.