Question about Xantrex Technology Heart Freedom 30 Inverter/Charger, 3000w 130a, 81-3011-12

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Inverter will not switch to invert when the ac power is turned off

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I am assuming that no fault lights are showing on the remote panel, but if they are, then those indicate a problem, e.g. overtemp, or AC overload. If the former, allow the unit to cool down and/or provide more ventilation, and if the latter, reduce the AC load by turning things off. The inverter must be in "standby" mode (green inverter light slowly flashing) for the inverter function to come on automatically when the incoming AC is shut off. Also, the battery bank voltage must be between 10V and 15V for a 12V system, the inline battery fuse must not be blown, and the unit's pop-up breaker (on the right front of the box) must not be tripped.

Posted on Sep 27, 2010

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Posted on Jan 02, 2017

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1 Answer

What is the difference between inverter AC?


The biggest difference between inverter and non-inverter AC is the fact that the motor of the inverter compressor has a variable speed. The speed of the non-invertor compressor is fixed. This means that it operates either at full or minimum speed. A censor in the invertor adjusts the power according to the temperature in the room, lowering the electrical consumption and saving energy.

Due to the sophisticated operational method of the invertor, its compressor does not work at its full capacity all the time. When the speed is lower, the needed energy is lower too and you pay less money for electricity.
As the compressor motor of the inverter air conditioner does not turn on and off all the time, but keeps working at low power, the operation is more quite.
The technology of the inverters not only makes cooling and heating more efficient, but it also makes the AC's life longer.
Last but not least, the inverter AC is able to cool or heat your room faster than the non-inverter. This is due to the fact that in the beginning of the process, the inverter uses more power than the non-inverter and diminish the power when it gets close to the desired temperature.
Source:
Service Repair Installation

May 17, 2018 | Inverter Heating & Cooling

Tip

How to test an LCD TV or monitor PSU and inverter


Hi.

Before proceeding I assume you have technical training along with the multimeter. A full testing must be done with power on, and for safety reason must not be done by an untrained user.

The tip contains only general indications. The reader is supposed to have the training to apply in practice the testing method below.

If there is no power at all, then the responsible is almost always the PSU.

When there is no power, test AC in to PSU. If there is no AC in (read volts, or read ohms on power cable), that means that the power cord must be replaced.

If there is AC in, then test the PSU section near to AC input. You always find a resistor or a fuse in there . Check if it has blown.
After that you test the rest of PSU component. If there is no power at all , and problem is not power cord, it is often possible to spot at a glance a leaky or bulged capacitor.

If there is power, but the monitor stays in standby, then te PSU is forced to low voltage only by controller board. This happens when a fault had been detected.

In this case testing the PSU becomes more complicate. The technician must locate the control lines from controller board. This control lines operate at lower PSU voltage (often +5V), and turn on higher voltages on PSU board.

The inverter may use for example a +20V line from PSU. The +20V line is turned on by the controller board, closing a +5V control line to PSU. When PSU is in standby mode, the technician testing the PSU must bridge the +5V line with the PSU low +5V circuit, and test if the +20V line to the inverter gets turned on.

As explained this kind of test must not be done by the unexperienced user, as the chance to waste the unit beyond repair is high, and there are also many safety concerns.

After testing the PSU, next part to test will be the inverter board.

The inverter is tested reading DC voltage in from controller board, and AC out to back light system.
The inverter is an high voltage board, remember, safety first when testing AC circuit.

If the inverter has no DC from controller, then test PSU, if PSU is OK, and inverter has still no DC in when PSU line to inverter is on, then replace controller board.
If the inverter has DC in, and no AC out, then replace the inverter.
If the inverter has DC in and AC out when higher DC voltage to inverter is turned on, then test at component level the main controller board, and if present test LCD controller.

Regards.

on Mar 03, 2010 | Televison & Video

1 Answer

Can't find the transfer switch, and could it go bad. Shore power and generator power works to the main panel box, but won't charge coach batteries


although it is possible to do separately most times the transfer switch is internal to the inverter , and the fact you mention that inverter is not charging batteries tells me your fault lay in the inverter all or part of it is not working , look at it carefully these have sometimes two reset breakers on there cases

Jun 01, 2015 | Inverter Electronics - Others

3 Answers

I'm dumb. Can I hook an inverater to my generator and produce more enegry than my generator produces???


Please understand that the generator produces power from fuel with an engine wheras the invertor is one which genrerates power from a stored battery using the principle of frequency switching a DC source to induct and produce AC.
Now you can have an uninterupted power supply setting with the invertor backed up by the generator so that when the battery voltage goes down you can start and charge the invertor and also supply the extra energy .
the ratings of both must also be considered.

Sep 25, 2010 | Electronics - Others

1 Answer

VFD-B inverter control with external volume like switch


You better buy a multi turn potentiometer about 4,7 - 5,1 kOhm.

Connect its ends to "+10 V" and "ACM". The Slider connect to "AVI".

The multi turn pot can make small steps of adjustment.

Hope that it will help.

Jul 06, 2010 | Delta Vfd007b43a AC Drive VFD B Inverter

2 Answers

Xantrex Inverter/Charger has no AC output


HI

Checking AC Output
1. After the battery voltage and connections have been checked, disconnect the inverter.s AC output wires from
the power distribution system and connect a light to the AC output of the inverter/charger.
2. Disconnect the remote panel to eliminate it as a possible problem.
3. Turn the inverter ON using the power switch on the front panel of the inverter. The 100-watt light should
illuminate. Measure the voltage at the AC output wires using the multimeter. The reading should be 114.126
VAC or approximately 230 VAC if the unit is an international model. If the light does not illuminate, there is
a problem with the inverter. Contact Xantrex technical support.

May 21, 2010 | Kitchen Ranges

1 Answer

Hi I have a Tripplite 3636VR connect up with 3 X 200AH batteries in series. The inverter works fine when connected to city power, when the city power fails the inverter takes over noramlly, I then go and...


check the system but you may have to turn off the batteries
the inverter is charging the batteries but when mains power fails , the batteries will be discharging back through the inverter that is dc converted back to ac
if you power on a genset and the ac is not phased correctly, what you describe will happen--- inverter ac from the batteries against genset ac to the inverter-
If you had mains power on then it would dead stop the genset because of the out of phase situation
it all has to do with the 2 wave patterns for ac current from each unit being in harmony and not working against each other

Mar 19, 2017 | Tripp Lite PowerVerter APSINT3636VR UPS...

1 Answer

Invertor connections to protect from utilty power backfeed


Inverters normaly have inbuilt protection built into them check for reset button/switch.

Jun 19, 2009 | ABB S272-k16 2-pole Miniature Circuit...

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