[RE-wrenches] Fwd: Re: GVFX temperatures

Michael Welch michael.welch at re-wrenches.org
Sun Feb 28 10:00:13 PST 2010


>From: jfh at greenhousepc.com
>
>Todd Cory writes:
>
>> PS I was told the GVFX will NOT back off the power in an overtemp situation. The inverter will just shut
>> down if it gets too hot.
>
>That's correct -- if the inverter isn't prevented from operating as it
>approaches the operating temperature
>limit, it will shut down with an "over temp" error.  For this client,
>I'm monitoring the temperature of the
>inverters and controlling whether or not the inverter will be selling
>power.
>
>An alternative solution is using the "Vent Fan" setting on an OutBack
>charge controller, or the "DC Load
>Shed" setting on the inverter, to increase ventilation when the
>batteries reach the "SellRE" setting.  You
>can also get thermostatically controlled 80mm fans (see your local
>computer store) and place the sensor
>near the inverter with the fan itself controlled by the AUX port.  This
>will allow you greater flexibility
>than what's available with the "Cool Fan" setting.
>--
>Julie Haugh
>Senior Design Engineer
>greenHouse Computers, LLC // jfh at greenhousepc.com // greenHousePC on
>Skype




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