Cruisers Forum

Join CruisersForum Today

Thread Tools Rate Thread Display Modes
Old 11-12-2013, 15:35   #1
Registered User
sy_gilana's Avatar

Join Date: Jan 2005
Location: On board
Boat: Van de Stadt 50'
Posts: 1,028
Send a message via Skype™ to sy_gilana
Refrigeration Questions

Hopefully there are some clever peeps that can help me.

I have a R502 freezer with a 2.5 ton compressor and holding plate.
It is usually adjusted for 3 degrees of Superheat, TXV is 3 turns CW.
I want to run it less often but just as a cold box. It is inefficient at higher temps with the TXV that "tight". I want to open the TXV a bit, to raise the temp but increase capacity by flashing more gas.


1 Will this work?

2 At rest the system reads 100 psi both sides, with the box at 16 c 502 should be slightly lower, so if the box is at 16 and the rest of the system, (condenser, receiver, compressor etc) is at 30 is 100 psi about right, or do I have non condensing gasses in there?

3 Running, I have 180 psi high and 18 psi low, still have bubbles in SG but its behind the drier, only condensation on return line, no frost. Is that because of hi load or because of low charge?

Ideas please...
Tight sheets to ya.
sy_gilana is offline   Reply With Quote


Thread Tools
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
Norcold Refrigeration Replacement? Bumberg Plumbing Systems and Fixtures 12 04-12-2013 13:12
Opinions on Setting up Efficient Refrigeration Pls mischief Construction, Maintenance & Refit 13 04-11-2012 01:50
Newbie Mac-OpenCPN - Questions Please jonnyquest OpenCPN 0 16-01-2012 13:19
Help with Refrigeration Decisions . . . Beersmith Plumbing Systems and Fixtures 48 22-12-2011 19:30
Grunert Passagemaker Refrigeration Problem bstreep Construction, Maintenance & Refit 7 21-09-2011 17:56

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 10:16.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.