I am testing my dometic RM7832 in our 97 U320. Refer was/is as some here say is not as cold as a household refer normally.
I remember new the single door dometics were zero and 37 at the mid point on the thermostat setting new. What changes?
Hmmm.
My pro service tech used to clean the burner tube with a small wire brush.
Hmmm.
Looked at my 17 year old burner tube and the slots in it were slightly closed from rust in the opening. Noticeable that they were restricted and not parallel.
I used a small flat blade screwdriver to restore the openings width. Maybe overly large due to rust.
Ordered a replacement burner tube as a later test unit and replacement. Found a near new pull off from laurel hurst for $20. And ordered a new #76 jet for the unit also.
Have not verified the temps after the burner tube restoration but the flame size is carefully calibrated to the refer I assume.
Less flame. Less cooling? Wanna bet.
I looked at Barry's specs and Foretravel used a compressor model two door refer through 2001. 2002 the dometics had no compressor anymore.
Lots of complaints on the 1292's I think.
So 97-2001 has the option to turn on a compressor in the refer if you needed extra cooling.
Tried mine on shore power last week. Refer on 110 v and added the compressor. Had to turn back the thermostat from 4 to three as the entire box was very cold.
Still testing but I am wondering how many of us have rusted partially closed burner tubes?
Mine was.
Seems expensive to install a household refer as I already have a compressor/adsorbortion setup already.
Will monitor its now temp tomorrow at #3 and then #4 if necessary then if needed add the compressor and monitor its power consumption off of the inverter as it is wired to run off of it....
Bob
One of the main problems with the burner tube is rust falling into it from above (chimney) and as you say the slots get all cruddy and close up. I have serviced a lot over the years and all it needs is a strw long enough to be able to blow the rust out (from where the propane gets "injected" and to gently clean those slot edges. The flame should be a steady blue colour equal in each slot, with a nice sounding "roar"
This should be done a few times a season.
JohnH
Cleaned countless refers at rally's from the rust from the chimney over the years. Learned to pound on the refer before cleaning the crud off. More used to fall out.
Never had a old enough one to show rust in the slots. Bigger flame on the side by side might be why it shows more rust in the actual slot areas only.
Hmmm. In mine compressor was only 110, was told by repair guy (probably wrong) Was for ice maker and freezer only
Yes for sure 110volt. Enough capacity to carry over somewhat to the refer side it seems.