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TABLE OF CONTENTS
SCOPE .......................................................................................................................................................................................................5
INTRODUCTION ..................................................................................................................................................................................5
INSTALLATION GUIDELINES AND SAFETY INSTRUCTIONS .......................................................................................6
Standards and Requirements ...........................................................................................................................................
6
Battery Safety ..............................................................................................................................................................................
7
INSTALLING THE FLEXmax 80 ON FLEXware ENCLOSURES .....................................................................................9
OPEN CIRCUIT VOLTAGE/WIRE AND DISCONNECT SIZING ...................................................................................10
HOW TO READ THE FLEXmax 80 SCREEN DIAGRAMS .............................................................................................15
POWERING UP ..................................................................................................................................................................................16
STATUS SCREEN ................................................................................................................................................................................19
END OF DAY SUMMARY SCREEN ..........................................................................................................................................19
RECHARGING USING THE PV ARRAY ...................................................................................................................................19
ACCESSING THE MAIN MENU ..................................................................................................................................................21
CHARGER SETUP .............................................................................................................................................................................22
AUX MODE AND ITS FUNCTIONS .........................................................................................................................................23
AUX Mode Path ......................................................................................................................................................................
24
AUX Modes Described .......................................................................................................................................................
25
Programming the AUX Modes .....................................................................................................................................
26
Vent Fan ............................................................................................................................................................................
26
PV Trigger .........................................................................................................................................................................
27
Error Output ...................................................................................................................................................................
30
Night Light ......................................................................................................................................................................
31
Float .....................................................................................................................................................................................
33
Diversion: Relay ............................................................................................................................................................
33
Diversion: Solid State ................................................................................................................................................
35
Low Battery Disconnect ..........................................................................................................................................
37
Remote ..............................................................................................................................................................................
39
BACKLIGHT..........................................................................................................................................................................................40
EQ (Equalize) ......................................................................................................................................................................................40
MISC-MISCELLANEOUS ...............................................................................................................................................................43
ADVANCED .........................................................................................................................................................................................45
Snooze Mode
...........................................................................................................................................................................45
Wakeup Mode .........................................................................................................................................................................
46
MPPT Mode ..............................................................................................................................................................................
46
Park Mpp ....................................................................................................................................................................................
47
CHARGING RELATED SCREENS ...............................................................................................................................................48
Absorb Time .............................................................................................................................................................................
48
Rebulk Voltage ........................................................................................................................................................................
49