| [GMCnet] 12 Volt Refrigerator [message #307742] |
Sat, 24 September 2016 13:02  |
Peter Garry
Messages: 138
Registered: July 2011
Karma:
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Senior Member |
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OK.. this is what I have installed so far:
1) 3, 120 watt photovoltaic penels mounted flat on the roof
2) 1, 1500 watt inverter/charger connected to the PV panels as well as to a 15 amp shore power connection
3) 2, 100 amp hour lithium batteries
4) 1, Dometic 12v portable refrigerator/freezer that sits between the driver and passage seat and doubles as a sort of table top and drinks receptacle.
5) 1, microwave, rated at 800 watts (plus any surge)
6) ALL the lights are LEDs (lots of them)
7) Several 12 volt cigarette lighter type outlets
8) created a space for a 4.1 cubic ft under counter frig (now occupied by a $50 home depot special)
9) installed a CAT vented propane heater (has a 12v fan for the exhaust system)
I have removed the inoperable Onan as well as the rooftop AC. Also installed a completely separate 110v system for the temp. frig and to run power tools etc while working on the coach.
Now… gather enough cash (about 1K) to buy the 12v frig.
We are in western Canada so AC although nice is not necessary (well that statement is still open for debate) So I’m looking at a AC system that can work while driving…. still looking, any ideas?
This last summer all worked very well, a couple of trips to the national parks in the rockies (not hot enough for AC) and the PV panels have kept the batteries over 13v all the time.
We calculated and then attempted to balance the PV input with the expected electrical demand.
Peter Garry
Calgary Alberta
23ft 73 GMC
(once a painted desert)
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