Outback Power Systems MATE3 Owners Manual - Manual (Page 110)

Programming
108 900-0117-01-00 Rev C
Aux Modes for the Charge Controller
Aux Modes include nine functions with automatic criteria. The functions appear in the following order
when the wheel is drawn clockwise. The
Vent Fan option appears first if the charge controller is set at
factory default values; otherwise, it will display the last option selected. (The options are described in
greater detail in the charge controller Owner’s Manual.)
 Vent Fan activates the AUX output in response to high DC (battery) voltage. It can operate a small fan to
ventilate the battery compartment to eliminate gases that result from battery charging. The output deactivates
when the voltage drops below the set point.
This function has settable DC voltage parameters.
Figure 128 Vent Fan
 PV Trigger activates the AUX output any time the PV voltage exceeds the specified number. Among other
things, this can be used to operate an alarm or an emergency relay if the Voc runs dangerously high.
This function has settable DC voltage and time parameters.
Figure 129 PV Trigger
 Error Output responds to two emergency conditions: low battery or failure to charge. Low battery is defined
by a set point. Failure to charge is defined by the PV voltage failing to exceed 3 Vdc above the battery voltage
for 26 consecutive hours. This option usually indicates an array problem and is meant to operate an alarm.
NOTE: This option is “Active Low” only. The AUX output is activated as long as these conditions are not met. If
they are met, the output is deactivated.
This function has settable DC voltage parameters.
Figure 130 Error Output
Set Points:
 Enable Voltage – Adjusts the high-voltage
setting at which the AUX output is activated.
Set Points for Error Output:
 Low Battery Voltage – Adjusts the low-voltage
setting at which the AUX output is deactivated.
Set Points for PV Trigger:
 Enable Voltage – Adjusts the high-voltage setting at which the
AUX output is activated (assuming Active High).
 Hold Time – Adjusts the time delay after reaching the
Enable Voltage setting before the AUX output is activated.
 Active: High or Low. Active High activates the AUX output
when conditions are met; Active Low deactivates the output
when the same conditions are met but activates it the rest of
the time.