Re: Name That Button!
You can adjust the default run time if you choose. Some like to program the timer to snap on towards morning to avoid waking to a cold van. I just run mine all night at a lower setting enough to keep the PH about 60 degrees but each has their own preference. One thing about that button is that you must get into the habit of turning it on first before you start the heater. If you start the heater and then turn on the timer button, the heater will shut down at the default time no matter what setting the switch is in. As mentioned, when I shut down the heater in the morning rather than turning the heater off, I crank up the temp to max and turn off the timer switch. You will see the timer switch to 15 min as it starts its countdown. I exit the van and leave the doors open so the unit runs on high for that 15 min. IMO (& I could be wrong) it's good to run the Airtronic on high from time to time to help burn off the carbon buildup.
You might have to test the altitude switch. I'm surprised it's there with the setup you have. Some have it and some are automatic. If the control panel was upgraded like mine, the switch was abandoned and is not is use. If it is still active you will find the altitude may vary from what is considered the normal height to turn it on. It's kind of a gray area, or at least with mine it was. If you're at 4000' and the switch is in the #1 position and the heater starts to blow cold air, shut it down and turn it to the #2 setting and start the Airtronic again. It's kind of a PITA and is why I upgraded to the automatic compensator.
Between the upgrades, how I run it, and since I started using Fords Cetane fuel additive, the Airtronic has not failed me. Avoid running it out of fuel. Most tanks are set to not let the Espar products run below a 1/4 tank. It can be difficult to regain the prime. You are supposed to run it on a monthly basis but I don't. I usually have a time where I go a few months between operation. Also make sure nothing blocks the unit itself or the exhaust/intakes are compromised by dirt mud or kinks. Had a mouse make a nest in front of the units cab air intake and it kept shutting down throwing an overheat code.
BTW you can get the instructions on line if you don't have them.
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2006 Ford 6.0PSD EB-50/E-PH SMB 4X4 Rock Crawler Trailer
Sportsmobile 4X4 Adventures.......... On and off road adventures
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