Set your psi appropriate for the temperature of your fridge/cabinet. This table will tell you all you need to know:
http://www.kegerators.com/carbonation-table.php
The beer lines might be shorter then I'd have cut them, but I wouldn't cut new ones. You can probably balance your system using that chart. You're 100% right that you're going to get a little foam from any keg that has recently been moved around. After about 24 hours they tend to settle out and foam less.
http://www.kegerators.com/carbonation-table.php
The beer lines might be shorter then I'd have cut them, but I wouldn't cut new ones. You can probably balance your system using that chart. You're 100% right that you're going to get a little foam from any keg that has recently been moved around. After about 24 hours they tend to settle out and foam less.