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--- food:refrigeration [2019/01/25 21:22]
frater_secessus [compressor refrigeration]
+++ food:refrigeration [2020/05/10 10:56]
frater_secessus [Peltier refrigeration]
@@ Line 52: / Line 52: @@
-Absorption (ie, propane-powered ammonia cycle) fridges were popular in RVs because they used minimal power to run the ignitor, control board, fans if any.
+Absorption (ie, propane-powered ammonia cycle) fridges were popular in RVs because they used minimal power to run the ignitor, control board, fans if any.     This type of fridge had to to be quite level so the ammonia cycle cooling would work by gravity;  there is no pump.((http://www.doityourselfrv.com/know-rig-level-enough-rv-refrigerator-work-properly/))  Using one out of level could damage the $$$ cooling unit.
-Over the last few years RV refrigerators have been going to 12v or, more commonly, 110v residential style units.  Absorption units are rare in vandwelling setups.
+Absorption units are rare in vandwelling setups due to size, expense, and need for exterior venting.
+Over the last few years RV refrigerators have been going to 12v or, more commonly, 110v residential style units.
 ==== compressor refrigeration ====
@@ Line 80: / Line 81: @@
 The Engel MT series (MT35, [[http://amzn.to/2iS7u7W|MT45]]) are reported to have very low current draw due to clever cooling airflow design.((http://www.cheaprvliving.com/forums/showthread.php?tid=28169&pid=355948#pid355948))
+Secessus describes the interior size of the Alicool 15L (flat lid) version:
+> I store leftovers in pint and quart mason jars, which stand up fine in the [Alpicool] 15L. Longneck beers are slightly too tall. Since glass is heavy and harder to compact for trash removal I buy beer in cans anyhow. 16oz tallboys do fit. <-- the info discerning gentlemen need to know((https://www.reddit.com/r/vandwellers/comments/f68tji/lowest_consumption_coolbox/fi3wcav/))
 ==== Peltier refrigeration ====
-Peltier cooling doesn't get used much in solar setups because it uses a lot of power and does so 100% of the time.  A typical Peltier cooler might run 4-5A continuously whereas a compressor cooler might run 2A 30% of the time and turn off the rest of the time.
+Peltier cooling doesn't get used much in solar setups because it uses a lot of power and does so 100% of the time.  A typical Peltier cooler might run 4-5A continuously whereas a compressor cooler might run 2A 30% of the time and turn off the rest of the time. The 100% duty cycle issue can be alleviated by wiring in [[https://amzn.to/2WJg4tu|a 12v thermostat]].((assuming it would ever get cold enough to shut off. ))
 This kind of device cools to ~30-40F below ambient, which may not be a problem if the ambient is 80F or less.

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