Dae Sung

Nice!  Can’t wait to hear it!

Hi there, I can locate it outside of the compartment.  The existing BIM is opposite the battery compartment in a separate electronics compartment so easy to install.  I will check on the inverter/alternator connection, but I do not believe it is. Thanks for the input leaning toward a DC/DC charge.

Ok thanks Walter, I might give that a try.  -Russell

Makes sense thanks!  We will probably boon dock in this rig about 30% or less, would you then recommend the Li-Bim?

Also getting feedback from most rv'rs I should go with a DC to DC Charger, I can.  I would assume I remove the existing non lithium BIM, and install there?

Thanks for the replies, good to go for lithium on the inverter and solar controller.  Any thoughts or suggestions are greatly appreciated on the Li-Bim.  

I have a 2021 HR Nautica 33TL DP with 4 6 volt coach batteries (2 bank series for 12v total).  Installing 400 Ah of 12 volt lithium batteries.  Currently the coach has a OEM non lithium 225 BIM from precision circuits.  Do I need to do anything else other than swapping the non lithium BIM for a lithium BIM to protect the alternator?  Thanks in advance.

I called AH Tech Services and they were stumped too.  But now its working normally, -my first hydro heater, starting to like it.  I have the PM parts coming for the annual service.  Good to know abut the Electric Burner.  Thanks!

Thanks both of you.  At least it's running!  Makes sense with the fan volume, it has been running about an hour and it's definitely working. 

Ok I turned on electric burner to see if it would work, and after about an hour it gave me hot water, then I out of curiosity turned on the diesel burner and the unit fired on.  The zones are producing hot air but the fan is not very strong.  Could this be because I am on 110 shore power?

Makes sense, I have a list of the fault lights and what they mean I will dig in a little farther and post up what I find, thanks for your help!

No airflow out of exhaust -the unit hums when I turn on the diesel burner, but I don’t hear the burner kick in.  

Just bought 2021 HR Nautica 33TL with AH 250D.  When I turn on the diesel burner there is a message that displays briefly “Burner Fault”.  The unit hums but the burner does not fire.  The coach sat for a few months so I am thinking I need to replace the filter and nozzle?  Any thoughts?  Thanks!