Product Manual

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Operation

900-0161-01-01 Rev B 41

allows current to flow from the batteries to a dedicated DC load. (This is illustrated in the Radian

Series Inverter/Charger Installation Manual.) The resistor or load must be sized to dissipate all of

the energy from the renewable source if necessary. Diversion will turn off following a delay when

a low DC voltage setting is reached.

 Settable parameters include:

 Low and high DC voltage

 On and off delay



GT Limits

activates the

output as an alert that the utility grid does not meet Grid Interface

Protection parameters for the grid-interactive function (see page 14). It can activate a light or alarm

to show that the grid-interactive function has shut down and that there may be problems with the grid.

The

AUX

output will cycle on and off if grid parameters are met and the reconnection timer is

counting down.

 This function does not have settable parameters other than those of the Grid Interface

Protection menu (see Table 17 beginning on page 63).



Source Status

activates the

output whenever the inverter accepts an AC source. It can activate

a light or alarm to show that the utility grid is present or that a generator has started. Alternately, it

could be used to show that the source has disconnected.

 This function does not have settable parameters.



AC Divert

activates the

output to divert (or “dump”) excess renewable energy to an AC load,

usually an AC device powered by the inverter itself. This prevents overcharging of the batteries. This

function can serve as rough charge regulation for an external charging source.

 When battery voltage rises above a settable high voltage level, the A

UX output is activated after a

settable delay. The A

UX output controls a larger relay, which allows current to flow from the

batteries to a dedicated AC load when energized. Diversion is usually used to regulate battery

charging. The AC device is usually wired to the output or load panel and must be left on. It must

be sized to dissipate all of the energy from the renewable source if necessary. Diversion will turn

off following a delay when a low DC voltage setting is reached.

 The A

UX output will automatically turn on to run the loads if the inverter accepts an AC source.

 Settable parameters include:

 Low and high DC voltage

 On and off delay

 During variable conditions, the A

UX output is triggered no more than once per minute (if voltage

conditions are still met). This prevents rapid nuisance cycling of the AC load.

 AC Divert should not be used as the sole source of battery regulation. If the inverter shuts down

or fails, the batteries could suffer severe damage. This function should be supported by an

external regulator.

 If the inverter shuts down due to overload, the AUX output will also shut down. If the inverter

load exceeds 30 Aac, the AUX output will turn off to prevent an overload condition.

 If either the FETs or the capacitors (see page 52) become too hot, the AUX will turn off due to

diminished inverter wattage capacity.

Note that even if every function in the menu is set to

Off

, external programming from other

devices may still activate the

output. An example is the system display’s AGS function.

The

functions are summarized in Table 4.