900-0009-01-00 Rev C 1
Table of Contents
Introduction ................................................................................................................................................................. 5
Features .................................................................................................................................................................................................... 5
Firmware ................................................................................................................................................................................................... 5
Soft Keys ................................................................................................................................................................................................... 6
Installation .................................................................................................................................................................... 7
Standards and Requirements ............................................................................................................................................................ 7
Grounding .......................................................................................................................................................................................... 7
DC and Battery-Related Installation Requirements .............................................................................................................. 7
Dimensions .............................................................................................................................................................................................. 8
Mounting the Charge Controller ...................................................................................................................................................... 9
Wiring ...................................................................................................................................................................................................... 10
Wire and Disconnect Sizing ........................................................................................................................................................ 10
FLEXmax 80 ................................................................................................................................................................................ 10
FLEXmax 60 ................................................................................................................................................................................ 10
Wiring Compartment .................................................................................................................................................................... 11
Operation .................................................................................................................................................................... 15
Power Up Screens ................................................................................................................................................................................ 15
Version and/or Voltage Setting Screens................................................................................................................................. 16
Status Screen ................................................................................................................................................................................... 17
End-of-Day Summary Screen ..................................................................................................................................................... 18
Navigating the End-of-Day Screens and Data Logging .................................................................................................... 19
Modes of Operation ............................................................................................................................................................................ 20
Absorbing ......................................................................................................................................................................................... 20
Auto Start (Auto ReStart) ............................................................................................................................................................. 21
BatTmpErr ......................................................................................................................................................................................... 21
BatTooHot ........................................................................................................................................................................................ 21
Charged ............................................................................................................................................................................................. 21
EQ ........................................................................................................................................................................................................ 21
EQ Done ............................................................................................................................................................................................ 21
EX-Absorb ......................................................................................................................................................................................... 22
Floating ............................................................................................................................................................................................. 22
GT Mode ............................................................................................................................................................................................ 22
High Voc ............................................................................................................................................................................................ 22
Low Light or Snoozing ................................................................................................................................................................. 22
MPPT Bulk ......................................................................................................................................................................................... 22
MPPT Float ........................................................................................................................................................................................ 22
MPPT EQ ............................................................................................................................................................................................ 23
New Voc ............................................................................................................................................................................................ 23
OvrCurrent ........................................................................................................................................................................................ 23
Over Temp ........................................................................................................................................................................................ 23
Re-Cal ................................................................................................................................................................................................. 23
Sleeping ............................................................................................................................................................................................ 23
Sys Error ............................................................................................................................................................................................. 23
Tracking ............................................................................................................................................................................................. 23
Unloaded .......................................................................................................................................................................................... 24
Wakeup.............................................................................................................................................................................................. 24
Zzzzz... ................................................................................................................................................................................................ 24
Initial Operation ................................................................................................................................................................................... 24
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