: Toggle key
“+”Set parameters:
"plus"
“-” Set parameters:
"Minus"
Manual switch
load
Long press and hold this button for 5 seconds to restore the factory settings
"×" error or system failure, click this button, you can troubleshoot or eliminate "x"
5
：
Parameter settings (≥ 5 seconds keystrokes, parameters are saved automatically)
PV OFF
→
LOAD OFF
→
LOAD ON
→
Evening
→
Interval
→
Dawn
（
Set order
(automatic cycle
）
+ Parameters "+" setting
- Parameters "-" setting
This button can be "manually" open load or manually close the load.
Long press and hold this button for 5 seconds to restore the factory settings
"×" error or system failure, click this button, you can troubleshoot or eliminate
"x"
6
：
Charging Problem Solution
a.
No proper installation of solar panels cable polarity ("+" "-") Removing the
polarity, you can re-install the correct
b.
More than the rated power of solar panels to reduce solar panel power does not
exceed the rated power controller
c.
Discharge Problem Solution
d.
Removing the load is not properly connected to the load, reinstall the correct
e.
More than the rated load power to reduce load power, the controller does not
exceed the rated power
f.
Instantaneous starting current is too large, the battery capacity is too small, the
replacement of high-capacity batteries, button troubleshooting
g.
Wire cable polarity loose or too square and increase retightening bold cable
h.
All keys can troubleshoot faults, press 5 seconds to restore factory settings
7
：
Parameter table
Parameters / Model
MPPT1
0
MPPT2
0
MPPT3
0
MPPT
40
Maximum
power
current
12A
20A
30A
40A
Installation
Lin
（
mm
2
）
4mm
2
8mm
2
10mm
2
12mm
2
Installation
Line(AWG)
10(AW
G)
8(AWG)
7(AWG)
6(AW
G)
Weight
280g
300g
475g
480
Dimensions
143×89×46
（
mm
）
187*97*61
（
mm
）
System load loss
≤
13mA
Loop Buck
≤
100mV
Battery float voltage
13.8V
（
12V system
）
/27.6V
（
24V system
）
Battery(under voltage) protection
10.6V
（
12V system
）
/21.2V
（
24V system
）
Battery (under voltage)recovery voltage 12.6V
（
12V system
）
/25.2V
（
24V system
）
Charge mode
MPPT+PWM MODE
Operating Temperature
-10
℃
~60
℃
Storage Temperature
-30
℃
~70
℃
Humidity requirements
≤90
％
, No condensation
Temperature compensation
-4mV/Cell/
℃