installing 2nd A/C unit
We have a 2010 Montana which is already pre wired for a 2nd a/c and the breaker box is equipped for second a/c. How hard is this to install yourself? We have gotten two quotes from RV service places, ...
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Installed a Coleman Mach 3 Low Profile non-ducted second AC a few weeks ago "myself". A 12' Ladder, a friend on the roof and pushing the box up the ladder to the friend wasn't too hard.
Previously removed the existing vent cover/lid and carefully scraped away all the caulking to make a very smooth surface on the rubber roof. Installation not too hard, albeit the RV pre-wiring could have been a little longer for ease.
I'm disappointed the Coleman Mach is so noisy and the ceiling non-ducted unit controls do not have a digital thermostat (just crude dial for warmer or colder) or an "AUTO" feature where the fan would only will run with the compressor on, so its always noisy when on. Does such a great job cooling the RV in 90+ degree temps the main AC (A new Dometic Brisk Air 2 - Love it (light and quieter) often cycles off. For the 100+ times they both run constantly.
Previously removed the existing vent cover/lid and carefully scraped away all the caulking to make a very smooth surface on the rubber roof. Installation not too hard, albeit the RV pre-wiring could have been a little longer for ease.
I'm disappointed the Coleman Mach is so noisy and the ceiling non-ducted unit controls do not have a digital thermostat (just crude dial for warmer or colder) or an "AUTO" feature where the fan would only will run with the compressor on, so its always noisy when on. Does such a great job cooling the RV in 90+ degree temps the main AC (A new Dometic Brisk Air 2 - Love it (light and quieter) often cycles off. For the 100+ times they both run constantly.
