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HVA All In One Charge Controller For Wind Turbines & Solar

$346.95

The Mountain Wind HVA Wind/Solar Diversion-Charge Load Controller

Featuring:

  • 440 Amp 12, 24 or 48 volts
  • 10,000 Watts!
  • High contrast LED dual volt/amp meters with on/off switch
  • Built in D/C Breakers
  • Factory wired for both wind and solar
  • 8 x 12 Hoffman Box
  • Reverse polarity protection

 

This diversion controller is the result of our many attempts to use the controllers currently on the market to work in conjunction with our Mountain Breeze wind turbines. None of the other diversion controllers on the market did what we needed a diversion controller to do. So we designed our own and added all of the features that are truly needed in a diversion controller.

Built around a solenoid that has been tested and tortured at over 460 amps, this controller is user adjustable, has a large enclosure, is microprocessor controlled, with test button and battery status indications.  There is no other controller on the market like this one!

Use this controller to regulate and prevent battery overcharge in:

  • Solar Systems
  • Wind Systems
  • Hydro Systems

Also works as a Disconnect Controller!

This controller works by either diverting the charge source to a diversion or "Dummy" load, or if you prefer, you can simply disconnect the charge source from the battery -- Works either way!

Some key features of this controller are:

  • Microprocessor controlled -- This is very important for both stability and functionality.
  • User changeable settings -- Several controllers on the market set the dump level, and that's that!
  • Super High amp rating - 440 Amps -- 10,000 watts.
  • Battery status LED - Several controllers do not tell you what's going on - This one does!
  • Push to test. -- Ever wonder if your controller & load are working OK?
  • Large (8" x 12") solid steel enclosure, with multiple conduit knockouts
  • Large enough terminal blocks that you can actually terminate large wire (See notes below.)
  • The electronics are fully isolated from the enclosure, no ground loops.
  • Can divert the source from the batteries to the load, or dump both the batteries along with the source.
  • Draws almost no energy while monitoring (all electronics must use some power, to work -- this is a miser)
  • Ready to go. Simple, built to last, made right here in the USA.

 

Capable of handling the input from 166, 60 watt solar panels, or 10, 1000 watt wind turbines, or any combination of the two not to exceed 440 amps or 10,000 watts. This is a lot of control!

This Hoffman pull box is perfect for terminating larger wire. It has multiple knockouts on each side of the box. The box measures 8.25" x 12" and the electronics are fully isolated from the box.

The microprocessor is the heart of the controller. It is given the battery voltage and the user changeable trip points.  This information is analyzed and acted upon.

The Battery level is checked, and based on that info, the Green LED flashes or is illuminated as follows:

  1. (One) Flash indicates the battery is less than 12 volts (12 volt system - Double for 24 etc)
  2. (Two) Flashes indicates the battery is 12 to 12.5V
  3. (Three) Flashes indicates the battery is 12.6 to 13v
  4. (Four) Flashes indicate the battery is 13.1 to 13.5V
  5. (Five) Flashes indicates the battery is above 13.5V but less than 13.9V (Settings are adjustable)
  • Steady green means the battery is full.
  • The red LED is illuminated when the battery is being dumped at 14.5v (or the charge source diverted.)

The dump remains active for a minimum of 5 seconds, at which time it is checked by the microprocessor. If battery voltage drops below the "Dump Cancel " level, the dump is disabled.  Otherwise, the dump is continued and rechecked every 5 seconds.

When you press the "TEST" push-button, the 5 second cycle is started (one time, unless the batteries are within the "Dump Start" and "Dump Cancel" zone.)

 Settings are user changeable!  By simply turning a simple potentiometer with a small screwdriver, you can quickly adjust the trip point.

About load diversion:

Several schools of thought on the subject:

The source of power (wind turbine, solar panels etc.) -- should remain connected to the batteries while the dump is active. 

The source should be diverted to the load directly and disconnected from the batteries.

We happen to believe that is far better to leave the wind turbine connected to the batteries at all times.  When you remove the battery level voltage from a wind turbine and send its power directly to a load, then it sees for all practical purposes a short circuit (depending on the resistance of the load and lead wires).  This may cause the turbine blades to slow dramatically and in some cases bring it to a halt. This braking action can cause heat build up in the stator if it is repeated every few seconds or so (if the battery is just a little over the top) eventually doing damage to the PMA. When you allow the turbine to see the batteries, along with the load, the turbine remains more within its design realm.

The internal relay is configured to dump the batteries along with the source, but if you desire to disconnect the source from the batteries and send it to the load directly, simply utilize the N/C contacts of the relay as well. We'll be happy to send you a diagram -- this is a very simple to accomplish. 


  • Model: MT_C440HVA
  • Shipping Weight: 12lbs
  • 20 Units in Stock
  • Manufactured by: Mountain Wind Trading Company

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This product was added to our catalog on Friday 26 April, 2013.

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