Finishing Off the Electric Systems
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The 3rd and final solar panel finally came in, and was mounted. This makes a full 300 watts on the roof and nearly covers all of the available space on the roof. The solar is wired in series, and often produces in excess of 64 volts on a sunny day (the Tracer charge controller is good up to 100 volts). Even on a very cloudy day, 20+ volts is available for some low-grade charging that otherwise wouldn't happen.
Due to the flat roof, the panels sit nice and low, well below the high point of the MaxxAir fan. It is still able to fit through my 7'8" garage door without issue, which is a huge bonus. So as of now, we get to enjoy the luxury of a high top (ok, more of a mid-top), complete with fan and solar - which is capable of parking in a standard garage, and even parking garages.
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The inverter was finally wired in permanently. 6 gauge wire was run just in case we want to upgrade to a larger inverter in the future.
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Due to the 12v hybrid fridge conversion, the inverter had to be modified. The on/off switch was removed so that a remote switch could operate the unit. Additionally, the converted fridge will command the inverter on/off as needed
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After pryign the switch out and cutting the wires, a 2-position terminal strip was about to be installed. Holes were marked for mounting screws
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and the end result gives a nice clean interface to allow for remote operating of the inverter, whether it via a remote switch or via the converted fridge that can turn the inverter on and off as needed to run the compressor
I forgot to get a picture of our switch panel, but I'll add one later. To original conversion van had a console right above the rear-view mirror which had 4 switches. This has been reinstalled and the switches wired to the main terminal block of the electrical system.
Switch #1 (left most) will turn on all ceiling lights, including the cab ceiling light.
Switch #2 will turn on the mood lighting -- the RGB strip lighting around the cabinets.
Switch #3 turns on/off the entertainment items - basically just the TV and radio at this point. New power leads from the house battery system were run to the stereo in the dash so that it no longer draws from the start battery. This allows for use of the stereo any time we want it without worrying about draining the start battery.
Switch #4 enables the inverter. This gets just a little more complicated though, as we made our own 15-amp automatic transfer switch out of a properly rated DPDT relay. While on shore power, this switch still enables the inverter, but it just isn't connected to anything sinced it is switched out by the transfer switch. Additionally, there is a relay on the converted fridge that also can command the inverter on/off and is wired in parallel with this switch. So essentially, Switch #4 can enable the inverter for 120v household power while boon docking - but it's possible that the fridge already has it turned on, and it's also possible that shore power is in use, eliminating the inverter from the circuit anyways. Of course, all of this is automatic and behind the scenes, but it does add a layer of complexity to understanding how and when the inverter is powered and available.