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Old 06-06-2011, 02:02 AM   #4843 (permalink)
mora
EcoModding Apprentice
 
Join Date: Oct 2009
Location: Jyvaskyla, Finland
Posts: 143

Golfwagen - '89 Volkswagen Golf mk2
90 day: 107.14 mpg (US)
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Taken from assembly instructions:
Quote:
For startup, turn on the 12v power to the controller. The 12v power to the controller should be from the auxiliary 12v battery, or a DC-DC converter. Next, pre-charge the capacitor bank. Finally, close the main contactor and drive away.

For turning off, open the main contactor (and the pre-charge circuit if it isn’t already open) and then turn off the 12v power to the controller.
I use pretty simple relay control and let controller open the main contactor. No problems so far.
http://koti.mbnet.fi/huski/golfwagen...control_en.png
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