Forum Discussion
sushidog
Aug 10, 2015Explorer
Robin25113 wrote:
I wonder why the RV manufacturers don't consider split A/C systems? I really like the EER ratings.
Exactly. You could run 2 of these 12,000 Btu 21.43 EER mini-split ACs from one EU2000 Honda. http://www.geinnovations.net/HSAC_Productline.html
The problem is cost. Two of these mini-split heat pumps will run $4,000, not counting the cost of two $364 converter chargers to run these native 48v DC devices off of 120v AC power. http://www.ebay.com/itm/DLS-54-13-IOTA-CONVERTER-CHARGER-13-AMP-108-132-VAC-NEW-/321783735939?vxp=mtr&hash=item4aebce2683
However looked at another way, you could run one of these 12,000 BTU ACs all night on 8 golf cart batteries recharged by solar, drawing at most only 560 watts (11.5 amps of 48v DC power.)
In fact my next travel trailer will be set-up for full-time off-grid boondocking, using one of these super high-efficiency mini-split heat pumps and about 2,000 watts of solar for totally self-sufficient power production. I'll start with 10, GC-2 (golf cart) batteries for my storage needs with both a 12v electrical system (for slides, lights, fridge board, heater blower, etc.), and a 48v electrical system for the 48v DC heat pump and inverter to power all my 120v AC devices. The single EU2000 Honda I plan on using for backup battery charging in case of inclement weather, when solar is ineffective will be more than sufficient for my recharging needs through a 2000w 48v AIMS pure sine inverter charger like this. http://www.amazon.com/Power-PICOGLF20W48V120V-2000W-Inverter-Charger/dp/B00IRKZPE6/ref=sr_1_8?ie=UTF8&qid=1425476298&sr=8-8&keywords=48v+inverter
Chip
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