[RE-wrenches] Fwd: Re: GVFX temperatures

[Gary Easton]

Anyone know of a source for a SMA 2100?  or any reasons for this inverter
being hard to find?
Gary Easton
Appalachian Renewable Power Systems
NABCEP Certified Solar PV
NABCEP Certified Solar Thermal
740-277-8498

> Thankfully my MX60's software is old enough to still have an option to
> control it's aux output by current. Anything over 50 amps turns on
> auxiliary fans. Not sure why Outback eliminated this useful option in more
> recent "upgrades".
>
> Todd
>
>
>
> On Sunday, February 28, 2010 10:00am, "Michael Welch"
> <michael.welch at re-wrenches.org> said:
>
>>
>> >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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