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Operation

900-0161-01-01 Rev B



Gen Alert

is used as a controller for an AC generator with a remote start feature, although it has

limited functionality. (The generator recharges batteries using the inverter’s battery charger.)

 Either set of A

terminals may be used to start the generator by closing the appropriate circuit.

The specific choice of R

ELAY

or 12V

may depend on the generator’s starting circuitry.

Different examples are illustrated in the Radian Series Inverter/Charger Installation Manual.

 The A

output will activate to start the generator when the battery voltage falls to a low set point

for a settable delay. The A

output is deactivated, shutting off the generator, once the battery

voltage rises to a high voltage setting for a settable delay period.

 Settable parameters include:

 Low and high DC voltage

 On and off delay

 Gen Alert control logic is located in the inverter. It has the advantage of functioning when the

system display is removed. However, it may not completely charge the batteries and does not

have all the advantages of the Advanced Generator Start (AGS) function that is found in the

system display. For many users, the AGS function may prove more useful than Gen Alert.

Gen Alert, however, could be used as a literal “Generator Alert”, a signal to the user to manually

start a generator.

NOTE: Gen Alert is the default selection for the R

ELAY

settings.

IMPORTANT:

When using

Gen Alert

(or AGS), the generator must be connected to the inverter’s

terminals. If

the input priority is set to

RID

and the

RID

terminals are energized, an automatically controlled

generator will shut down. This prevents an automatic generator from working correctly when using

the

RID

terminals.



Fault

activates the

output when the inverter shuts down due to an error condition (see page 51).

It can activate a light or alarm to show that the inverter has failed. With the appropriate devices, it

could send an alarm signal through a radio, pager, or telephone dialer.

 This function does not have settable parameters.



Vent Fan

activates the

output in response to a high DC (battery) voltage set point. It can run a

small fan to ventilate the battery compartment to eliminate gases that result from battery charging.

(This is illustrated in the Radian Series Inverter/Charger Installation Manual.) When the voltage falls

below this set point for a settable delay period, the

output turns off.

 Settable parameters include:

 High DC voltage

 Off delay

NOTE

Vent Fan

is the default selection for the

12V

settings.



Cool Fan

activates the

output when the inverter reaches a high internal temperature. It is

intended to trigger a small external fan for additional cooling. See the

Warning Troubleshooting

table on page 52 for a description of the fan criteria.

 This function does not have settable parameters.



DC Divert

activates the

output to divert (or “dump”) excess renewable energy to a DC load, such

as a resistor, a heater, or a fuel cell. 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

output is activated after a

settable delay. The A

output controls a larger, external relay. When energized, the relay