5.3 Parameters setting
When the icon appears in the display interface, it means that the parameters can be set.
5.3.1 PV voltage&Charging current
Display PV voltage
AGM
When choosing Liquid, GEL or AGM for battery type,the parameters of boost, equalization and float
charge voltage can be set by pressing the button. The range of parameters is as follows. following The
14.5V
14.8V 13.7V
When the battery type is lithium battery, the lithium overcharge protection voltage can be set by
Page 5 of 10 pages
Status
Icon
Description
5.3.2 Battery type
Battery type
GEL(Default)
Liquid
Lithium
Display
1.Charging Voltage Parameters(Liquid, GEL, AGM)
Display charging current
Choosing Lithium,AGM, GEL or for battery typeLiquid
Charging stage
Boost
Equalization
Float
Default charging voltage
2.Charging Voltage Parameters(Lithium)
Solar charge controller MAX series User Manual
pressing the button.
MENU key for 1s, then icon flashes, Press the OK key to raise the parameters, and Press the
Charging Voltage Range
14.0~14.8V
14.3~15.0V
13.2~14.0V
voltage parameters are multiplied by a factor of 2.are 25℃/12V system parameters, 24V displayed values
press the MENU key to lower the parameters.Press and hold the MENU key for 1 second to exit.
Battery over voltage
E02
E03
E04
E06
E07
E01
E05
Battery level shows full, battery flashes, the LCD screen
displays E04.
Battery low voltage
PV level shows high, PV frame flashes, the LCD screen
screen displays E03.
PV over voltage
Battery level shows empty, battery frame flashes, the LCD
displays E06.
PV over current
Overcurrent, PV frame flashes, the LCD screen displays
Load over current
Load off, load icon flashes, the LCD screen displays E02.
Load short circuit
Load off, load icon flashes, the LCD screen displays E01.
Over temperature
The charge and discharge are off, icon ℃ flashing, the
LCD screen displays E05.
E07.
5.2.4 Fault indication
E08
PV short circuit
PV short circuit screen displays , PV frame flashes, the LCD
E08.
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