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Old 09-09-2018, 02:43 PM   #1
Mini-Skoolie
 
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Window A/C Power

Iím considering removing the factory split system that came on my 2003 Ford 7.3 World Trans 6 window and replacing with a window unit above the back door.

I would like to be able to power this unit when on the road and when parked. I understand I could use shore power when parked, but whatís the best way to power this unit when on the road? Is it a battery bank thatís being fed by the alternator with an isolator in-line and an inverter attached the the battery bank?

Thoughts or directions to any other post discussing the same thing?

Thank you!
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Old 09-09-2018, 03:19 PM   #2
Bus Nut
 
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Need a genny for when not driving.
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Old 09-09-2018, 03:23 PM   #3
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Quote:
Originally Posted by john61ct View Post
Need a genny for when not driving.
Yes, I understand that. Iím asking about when Iím driving the best way to power it.
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Old 09-09-2018, 06:06 PM   #4
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Compatible inverter would run it for awhile.
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Old 09-09-2018, 06:38 PM   #5
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Yes get a good big enough inverter.

Wire directly to circuit with big fresh battery and alt/starter, fat enough wiring.

Get batt fully charged.

If alt puts out enough amps can run all day.

If not will run down the bat.

Need an ammeter to know.
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Old 09-10-2018, 05:32 PM   #6
Mini-Skoolie
 
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Has anyone here wired an isolator between the main battery bank to an aux group of batteries that in turn powers the inverter, which the window unit is wired/plugged to?

Recommended isolator brands?
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Old 09-10-2018, 07:12 PM   #7
Bus Nut
 
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Blue Sea's ACRs.

ML type us best but pricier.

Isolator implies old style diode based, which incurs too much voltage drop, and is one-way only.
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Old 09-10-2018, 07:13 PM   #8
Bus Nut
 
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If Alt is the only off-grid charge source, an ign wired solenoid is only $50.
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Old 09-10-2018, 07:17 PM   #9
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great idea except a window unit isnt going to begin to cool you while driving....



-Christopher
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Old 09-10-2018, 08:38 PM   #10
Mini-Skoolie
 
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Originally Posted by cadillackid View Post
great idea except a window unit isnt going to begin to cool you while driving....



-Christopher
Even with spray foam insulation floor to ceiling on a 6 window bus with half of those covered in sheet metal and foamed over?
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