Washington, DC's First Living Machine™

The solar panel and power control box (left) and the Living Machine (right).
The solar panel and control box running the Living Machine pumps a few weeks after installation. Photo (c) M. Frautschi

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The Photovoltaic System

The outside of the power control box.
A close-up picture of the control box designed by Jeff Gilbert of Chesapeake Wind and Solar. The meters are, from top to bottom, voltage across the battery terminals (12.75V), current in from the panel (0.1A), and current drawn by the pumps (1.4A).
Photo (c) M. Frautschi

The inside of the power control box.
A close-up picture of the control box with the cover off. Clockwise from the upper left: 3 meters, 2 stacked 12.5V batteries (black), controller (black with wires), programmable timer (white), inverter (red), air pump (blue), fish (yellow). DC power from the solar panel enters the box via a sealed Romex cable at the top; AC power and the air tubes exit at the bottom (behind the fish).
Photo (c) M. Frautschi

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Copyright (c) 2000 Philip Bogdonoff.
http://pbogdonoff.home.igc.org/LivingMachine/solar.html
12 August 2000