4. PRODUCT PROTECTION AND MAINTENANCE
Waterproof
Waterproof level: IP32
Battery reverse polarity protection
If the battery is connected in reverse the controller will not turn on, as to protect the
controller from component damage.
Solar input high voltage protection
If the solar panel array voltage is too high, the controller will automatically shut down.
Solar input short circuit protection
If the solar panel has a short circuit, the controller will stop working until the short is rectified.
The controller will then start working normally again.
Solar panel reverse polarity protection
If the solar panel is reversely connected, the controller will stay illuminated however there will
be no power fed to the battery The controller will return to normal operation once the wiring
has been corrected.
Load overpower protection
When the load power exceeds the rated power value, the load will enter into delay protection.
Load short circuit protection
If the load is short circuited, the controller will protect the load by shutting it down this can
happen 5 times per day without affecting the controller.
Reverse charging protection at night
This function will protect the battery from discharging through the solar panel at night.
Over temperature protection
15%
20%
25%
35%
40%
45%
55%
60%
65%
75%
80%
85%
95%
100%
Chg-
P
:/%
66
Tem-
MOS
:/ ℃
65
67 68 69 70 71 72 73 74 75 76 77 78 79
0
0
5 %
Fig. 4-1
