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Old 07-16-2013, 09:53 PM   #71
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I hit send too early... The manual states:

NOTE: As a safety precaution the electric gas shut-off solenoid closes automatically when 12-volt power is disconnected, cutting gas to appliances. It will reopen when power is restored.
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Old 07-17-2013, 08:47 AM   #72
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I have a 2011interstate twin. I checked the to see if the red 12 volt shutoff would cut off the lp solenoid. If I open the red12 volt shutoff switch and light the lp stove it wit burn off residual gas in about 30-60 seconds, if you read the manual it states that the power to the lp solenoid is removed when you open the red 12 volt switch.
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NOTE: As a safety precaution the electric gas shut-off solenoid closes automatically when 12-volt power is disconnected, cutting gas to appliances. It will reopen when power is restored.
My manual says the same thing, for a 2012 Interstate sofa/lounge. I've learned not to trust the manual in all things, because there are several mistakes in the manual, and several omissions as well. Some of the mistakes are holdovers from previous editions of the manual, where installed equipment changed from one model year to the next but the manual wasn't updated to reflect the new equipment. I've even found some errors that were cut-and-pasted from other Airstream motorhome manuals, or even Airstream trailer manuals, even though the information isn't necessarily applicable to a Sprinter-based Interstate. (note to self: Start a new thread regarding errors in the owner's manual).

I don't travel with propane appliances running anyway, so it's no big deal to shut off the propane before leaving the campground, and keep it off until I get to the next campground (or until I'm ready to do my monthly generator test run). There's no good reason for me to store my Interstate with the propane switched on otherwise. And if it's switched off, then I know it isn't drawing power from the house batteries, rather than assuming based on a manual that might be wrong.
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Old 07-18-2013, 02:08 PM   #73
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Quote:
Originally Posted by Protagonist View Post

My manual says the same thing, for a 2012 Interstate sofa/lounge. I've learned not to trust the manual in all things, because there are several mistakes in the manual, and several omissions as well. Some of the mistakes are holdovers from previous editions of the manual, where installed equipment changed from one model year to the next but the manual wasn't updated to reflect the new equipment. I've even found some errors that were cut-and-pasted from other Airstream motorhome manuals, or even Airstream trailer manuals, even though the information isn't necessarily applicable to a Sprinter-based Interstate. (note to self: Start a new thread regarding errors in the owner's manual).

I don't travel with propane appliances running anyway, so it's no big deal to shut off the propane before leaving the campground, and keep it off until I get to the next campground (or until I'm ready to do my monthly generator test run). There's no good reason for me to store my Interstate with the propane switched on otherwise. And if it's switched off, then I know it isn't drawing power from the house batteries, rather than assuming based on a manual that might be wrong.
When I bought mine we didn't shut off the propane switch and went to eat. When we came back propane was leaking from a failed regulator. Shut off if not in use is my recommendation.
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Old 08-23-2013, 04:30 PM   #74
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Well I set the dip switches as recommended and then set b4 to up. Let the rv sit for 2 days not connected to shore power. Fired up the generator until the appliances all lit up and then kicked on the ac. NO PROBLEMS! Thank you all for the help. I think this problem has finally been solved.


So I tried to use the ac for the first time since I thought it was fixed. Drive for about an hour, parked and kicked on the gen and ac so family could wait in the car while I had to run an errand. When I and out it was roasting hot and the girls were just sweating in the car (before you think I left a baby in the car the girls in question were my 24yo niece and her college friend!)

Didn't check the battery level before starting the gen, but after driving the car for an hour I would have hoped it would be fine to run the ac.
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Old 08-23-2013, 06:09 PM   #75
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Below is what I posted in July. When you start your generator, keep an eye on the panel, and watch the dots disappear - and then see if your AC will run after that.

I'm still pretty new to my 2013 Interstate, but I do know the generator takes a little while before it can accept a load from any of the appliances. And the way to determine when its ready is to look at the Power Control System Panel. I am attaching a picture...In my picture it says "00 AC Amps". When you initially start the generator it will of course display a higher value than "00" but notice the value has a couple of dots in it, such as "8.5." After a few minutes, those dots will disappear, and that's the time you can start to load it up.
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Old 08-23-2013, 06:15 PM   #76
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Originally Posted by jquayle View Post



So I tried to use the ac for the first time since I thought it was fixed. Drive for about an hour, parked and kicked on the gen and ac so family could wait in the car while I had to run an errand. When I and out it was roasting hot and the girls were just sweating in the car (before you think I left a baby in the car the girls in question were my 24yo niece and her college friend!)

Didn't check the battery level before starting the gen, but after driving the car for an hour I would have hoped it would be fine to run the ac.
I'm really sorry to hear that. After reading your post, I went out to test the AC because I haven't used mine since then either. And though it took a little over a minute for the lights on the Power Control System to light up, it eventually did and the AC is blowing fine (I'm in it as I'm typing this). Too bad you didn't notice what the voltage of your house batteries were. Mine was at 13.3v when I started the genset (thanks to my solar panel upgrade). Just a guess, but I'm wondering if your house batteries still wasn't high enough even after driving for an hour, and the power was still diverting towards the charging system.
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Old 08-23-2013, 11:27 PM   #77
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If its a real hot day and your batteries are low, I'd recommend turning the inverter off before trying to run the air conditioning.
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Old 08-24-2013, 06:01 AM   #78
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Didn't check the battery level before starting the gen, but after driving the car for an hour I would have hoped it would be fine to run the ac.
You only need enough battery power to start the generator, and then to run the thermostat (which is a 12v system). If the generator started at all, your batteries were fine.

However, the generator has to KEEP running. The air conditioner will not run off the inverter. Period. Your post said the air conditioner quit, but you didn't say if the generator was still running. Was it?

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If its a real hot day and your batteries are low, I'd recommend turning the inverter off before trying to run the air conditioning.
It shouldn't make a difference. As noted above, if there was enough battery power to even start the generator, things should have been fine, as long as the generator didn't stall.

The Auto/Invert setting automatically switches the device from Invert to Charge when another source of 120vAC power is detected. While the generator is running, the inverter isn't inverting, even if you have it switched on. You can only run on ONE 120vAC power source at a time, and the Interstate is set up so the priority is:
1 - Generator
2 - Shore Power
3 - Inverter.
If you have multiple 120vAC sources operational, only the highest-priority source is actually providing power to your systems.

The generator puts out enough power to run the air conditioner AND charge the house batteries; I know because whenever I start the generator to charge the batteries, I run the A/C to use it as a load bank.
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Old 08-24-2013, 08:20 AM   #79
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I think I may have had this same issue.
At mother in laws running mobile office in driveway and no shore power (afraid even at 20A ill pop a fuse)

Ran Jenny most of day to cool can down from 98 degrees, shut it down, batteries at 100% on solar indicator, 13.4v on test panel. Router, TV (used as 2nd monitor) and laptop all running from inverter (didn't check draw) worked for about 2hrs on battery an shut down for night (inverter and router left on all night - antenna boost was on also.

Next morning 6an, turned on lights, vent fan and got back to work with all office equipment. About 6hrs later inverter shut off with FAULT low battery indicated. 10.? volts. 12v systems (lights, fan) continued, and battery dropped to 8.5v fast, but of course the Jenny wouldn't start! (Why doesn't Jenny have chassis battery override switch like the engine does? Seems the biggest reason I'll need the Jenny is because my batteries are dead!) upgrade needed.

Anyway, after driving around for 45 min I was able to get battery to 11v and start the Jenny. Since jenny was running i figured id cool cab down but AIR wouldn't kick on. After about an hour of Jenny running the air started.

Not sure what inverter was set on during this time, ill pay more attention next time - of which I'm sure will be soon. 2014 Int Ext.

Sad I can't run off battery for 24hrs and operate equipment needed to pay my bills. I was really hopping to run Jenny for an hour or so a day to cool van and charge batteries mid day heat, but don't think this will get me there.

Ill try to recreate the event to see if I can duplicate. Ran Jenny for 3-4 hours. Battery indicated 200% on solar when I shut down.

I turned 12v off at door switch, inverter to OFF and left it for night will see how it is this am. (Sleeping in spare bedroom in house)

* frustrated *
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Old 08-24-2013, 08:23 AM   #80
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100% not 200%. Fat fingers - little keys
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Old 08-24-2013, 09:03 AM   #81
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Ran Jenny most of day to cool can down from 98 degrees, shut it down, batteries at 100% on solar indicator, 13.4v on test panel. Router, TV (used as 2nd monitor) and laptop all running from inverter (didn't check draw) worked for about 2hrs on battery an shut down for night (inverter and router left on all night - antenna boost was on also.
Inverter itself is a parasitic draw. In order to make 120vAC from 12vDC, it has to be powered by the batteries. Use the three-position switch on the inverter itself to shut it off, since the remote panel doesn't have an off position. The only appliance that might need to be left on 24/7 is the fridge (if you're using it) and it has a 12v mode so it doesn't need the inverter.

Router didn't need to be left on while not in use, either.

Antenna amplifier is a big parasitic load. Unless you need to receive broadcast television, turn it off. This may or may not be controlled by the house battery switch. Simple check— Turn on amplifier. Turn off house batteries. If green status light is still lit, amplifier is not controlled by house battery switch. Mine stay lit, so I have to be sure to turn off the amplifier separately.

Also, if you don't need propane, turn off the solenoid switch. Another big parasitic draw. Some folks say that their propane shuts off when they turn off house battery power, others say the switch continues to draw power. In my case, I can cook a meal on the propane burners with the house batteries shut off, so I know that my propane switch isn't overridden by the house battery disconnect switch and I have to turn it off separately. May want to check yours to see. Easy check— light a burner. Turn off house batteries but leave propane switch on. Wait 5 minutes. See if burner is still lit. If it is, then the solenoid is a parasitic draw with house system turned off.

Quote:
Anyway, after driving around for 45 min I was able to get battery to 11v and start the Jenny. Since jenny was running i figured id cool cab down but AIR wouldn't kick on. After about an hour of Jenny running the air started.
Thermostat is a 12v system, even though a/c is a 120v system. Low battery can affect the thermostat, keeping the a/c from working. Batteries had to charge until the thermostat would work.

Quote:
Sad I can't run off battery for 24hrs and operate equipment needed to pay my bills. I was really hopping to run Jenny for an hour or so a day to cool van and charge batteries mid day heat, but don't think this will get me there.
If you're diligent about turning off things you don't need, you should be able to expand your off-grid duration. You'll still not have a LOT of duration, but you'll do better than you are now. It's a learning experience.

Side note, your laptop has an internal battery, so you don't need it plugged in all the time. Plug it in while generator is running, but don't run it off the inverter until you need to recharge it. Side note, you may be able to get a 12v car adaptor for your laptop, and get away from ever running your laptop off the inverter at all. It's much more efficient to go straight from 12vDC to whatever DC voltage your laptop uses without converting from DC (house) to AC (inverter) and back to DC (laptop).
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Old 08-24-2013, 09:08 AM   #82
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This is why I upgraded my solar panels (see my "Parked Battery Life" thread). FYI, you can use the chassis battery to start the generator if your house batteries won't. You need a second person to push the battery assist button on the front panel left of the steering wheel while you start the generator.
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Old 08-24-2013, 09:11 AM   #83
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This is why I upgraded my solar panels (see my "Parked Battery Life" thread). FYI, you can use the chassis battery to start the generator if your house batteries won't. You need a second person to push the battery assist button on the front panel left of the steering wheel while you start the generator.
Pity my 2012 doesn't even have that button. There were times when I was a newbie and hadn't figured out all of my parasitic draws that I could have used that…
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Old 08-24-2013, 09:19 AM   #84
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Protagonist, MILATV's 2014 probably has a Magnum Inverter so he may not have a 3 position switch on the Inverter itself like our Tripp-Lite inverter does. In fact, I don't even know where they put the Magnum inverter because when I looked at a 2014, there was a blank panel where the Tripp-Lites are. Perhaps someone with a Magnum inverter can chime in.
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