I have to agree with some here that it’s a love/hate relationship with the Alde. After experiencing the Truma Combi I would probably dump the complexity of the Alde. It’s A LOT of infrastructure for such a small camper. I think the Alde is more justified in larger campers where evenly distributed heat is more important. The Truma is so quiet and just requires small ducts to be run. No glycol swaps. In the 400 you might even gain some width up by the dinette if you omitted the Alde (because of the convectors).
I kind of agree with you. I think they should start using the Truma Combi unit. Same size intake/exhaust and will fit in the same space as the Alde. Then remove the Dometic Cool Cat and replace it with the Truma Saphir AC unit. Heat, hot water, and AC all with a single control panel!
@grassgd, I did take some pictures of new Rhomar fluid compared to the 2 year old Rhomar fluid I drained and pH test strips on both samples. The top pH strip is old, bottom pH strip is new. It is hard to see much difference in the pictures but the old looks to be closer to 9 while the new looks to be closer to an 8. The old Rhomar fluid is definitely not as clear as the new
@Maple_Geek I'm guessing that all the expansion tanks have the aluminum sleeves that @Freespirit pictured above. Would it be possible to look into the tank and see if you have similar corrosion?
Trying a little experiment. I just put two strips of aluminum in separate glasses of glycol. One with fresh Century and the other with fresh Rhomar. It will be interesting to see if there are any differences in corrosion over the next months or years.
@AnOldUR my expansion tank is annoyingly located behind the cassette toilet in the small bathroom and is not at all easy to reach. When I finally find some time to do this operation I'll see if there is a way to remove it and look.
So I found one of the two reported bleeder valves in my 23 400. The rear passenger side one. The front dinette passenger side was no where to be found. Possibly under portal window if you take off the side panel to the left of the door as you’re looking at it from inside.
I just came across this January 9, 2019 video posted by "The Air Force Guy" describing the T@B 320 construction process. I may be wrong, but I do not believe it has been posted on this forum previously. From my perspective, it provides a much clearer visual description of how the 320 is assembled, including the roof and sidewalls. For example, I had not previously seen the foam inserts they place between the roof framing, or the aluminum foil type liner they add between the roof framing and the aluminum roof (starting around 4:19 in the video). I am now curious if my 2019 320 S (built in 2018) has that aluminum liner, or if that is something nüCamp has recently added. When combined with his previous 320 construction video, you get a pretty good idea of how the camper is put together. (Greg)
Here is a January 7, 2019 video on the construction of the T@B 400 which I have not previously seen as well. I apologize if these videos have already been posted. (Greg)
Regarding your extra Zamp panels, if you have been using them, they must have a Zamp charge controller built in, so, just use the alligator clips directly on the battery terminals. Both solar sources will charge the battery. The Victron charge controller will read the battery voltage, but only give you info regarding the installed solar panels.