penguin II AC issue
Having an issue with one of my Dometic Penguin II heat pump/AC. When the weather is hot the AC works fine. Since we got up here in the mountains where it is fairly cool it is acting crazy. I can set t...
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If it freezes up, the output air would be very minimal. You need to check the Freeze Thermister to make sure it is installed and in the correct place. You don't state what year you have but the Dometic wall tstats will have a obvious pause between Fan speed changes. If you want to test the Auto function fan speed, make a 10 degree hi setting from the RV actual temp. It will go to HI fan, after a few minutes manually drop the set temp down to 3 to 4 degrees from the set temp and wait, you should observe the fan to stop for a split second and then start on LO fan. Doug
PS, if you suspect freeze up a simple way to verify this is to put the AC in FAN only mode and if frozen you will see a LOT of melted water run off the roof within a few minutes
PS, if you suspect freeze up a simple way to verify this is to put the AC in FAN only mode and if frozen you will see a LOT of melted water run off the roof within a few minutes
