Outback Power Systems FLEXMAX 80 User Manual

16
PB
4. Powering Up
The FLEXmax 80 power-up sequence rst activates the unit and the SELECT VERSION screen (to de-
termine a choice of English, Espanola, or Australian settings). A SYSTEM VOLTAGE screen soon follows.
However, when it auto-detects the system’s battery voltage, in some instances the FLEXmax 80 might
not reect the correct system voltage (e.g., if a 36VDC system falls to a voltage range that could be
misread as a 24VDC system). The SYSTEM VOLTAGE screens allow the user to adjust the FLEXmax 80 to
the correct voltage.
NOTE:
Be sure the PV input and battery breakers are o before starting the power-up sequence.
OFF SCREEN (this screen is initially blank at power up)
With the PV array and battery breakers o, turn on the
battery breaker.
NOTE
: The battery voltage must be at least 10.5V or higher to power up the FLEXmax 80. If the screen
reads Low Battery Voltage, please see the Troubleshooting Guide on page 72.
OutBack 12V
Power
Systems
FLEXmax 80
Power Up Screen
The FLEXmax 80 will show the system battery voltage
in the upper right corner of the screen. The Select
Version screen appears next.
NOTE:
• The FLEXmax 80’s default setting is for a 12 VDC
battery.
• Change the setting after powering up the FLEXmax
80 if a dierent battery voltage is used.
• The PV array voltage—which must not exceed 150
VDC open circuit—is automatically detected.

Outback Power Systems FLEXMAX 80 Specifications

General

Brand	Outback Power Systems
Model	FLEXMAX 80
Category	Controller
Language	English