I recommend using the AUX relays to trigger a
separate relay which will pass current from the
DC source to the fan. In this case you would want
to use a 24 V vent fan. With this system, the
higher the voltage the faster the fan. The AUX
relay will never be subject to overcurrent, and the fan will be more powerful.
At 07:02 PM 1/7/2015, you wrote:
If you are trying to run the fan while the
magnum is charging you can just run a 12V
converter run your zephyr off of the ac power
supply or just get a small ac fan. If you are
trying to run it when charging from other
sources look for the AUX relays in the charge
controllers like the above mentioned options.
Daniel
Daniel TittmannÂ
CTO
Greenwired
<http://www.greenwired.com>www.greenwired.com
<mailto:[email protected]>[email protected]
707-923-2001 (office)
707-206-5088 (Cell)
On Wed, Jan 7, 2015 at 3:25 PM, Mac Lewis
<<mailto:[email protected]>[email protected]> wrote:
Hi Chris,
If you have a Magnum router in this system, you
do have access to an aux contact otherwise you'll need an external relay.
Good luck
On Wed, Jan 7, 2015 at 1:56 PM, Ray Walters
<<mailto:[email protected]>[email protected]> wrote:
The Magnums do not have relays available like
the old SWs, but you can run a Zephyr directly
from either a Outback FM controller or a Midnite
Classic. Both have a controlled 200 mA, 12
output. I've had occasional trouble running
the Zephyr because as weird as this sounds: the
fan can have a start up surge that exceeds 200
mA. Its like sizing a water pump for
mice.....you still have to look at the locked
rotor current and surge current. With the
Midnite Classic, it will just shut off the 12 v
output if it exceeds 200 mA, and it doesn't seem
to have an error message or warning.
You could also use a Simple Switch, or other
voltage controlled switching device (C40, Tristar, Solar Converters, etc)
R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
<tel:303%20505-8760>303 505-8760
On 1/7/2015 8:45 AM, Chris Daum wrote:
Dear folks:
Â
Has anyone hooked up a battery vent fan, being
turned on and off using just a Magnum MS4024PAE
inverter? Is there some AUX output that can be used?
Â
Thanks as always for your help!
Â
Chris Daum
Oasis Montana Inc.
<tel:406-777-4309>406-777-4309
<http://www.oasismontana.com>www.oasismontana.com
Â
Â
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