ENGLISH
ENGLISH
PV Over
Current/
power
When the charging current or power of the PV array exceeds the controller’s
rated current or power, it will be charged at the rated current or power.NOTE:
When the PV modules are in series, ensure that the open-circuit voltage of
the PV array does not exceed the „maximum PV open-circuit voltage“ rating.
Otherwise the controller may be damaged.
PV Short
Circuit
When not in PV charging state, the controller will not be damaged in case of
a short-circuiting in the PV array.
PV Reverse
Polarity
When the polarity of the PV array is reversed, the controller may not be da-
maged and can continue to operate normally after the polarity is corrected.
NOTE: If the PV array is reverse connected to the controller,1.5 times rated
controller power (watts)from the PV array, will damage the controller.
Night
Reverse
Charging
Prevents the battery from discharging through the PV module at night.
Battery
Reverse
Polarity
Fully protected against battery reverse polarity; no damage will occur for the
battery. Correct the miswire to resume normal operation.
NOTE: Limited to the characteristic of lithium battery, when the PV connec-
tion is correct and battery connection reversed, the controller will be dama-
ged.
Battery
Over Vol-
tage
When the battery voltage reaches the over voltage disconnect voltage, it will
automatically stop battery charging to prevent battery damage caused by
over-charging.
Battery
Over Di-
scharge
When the battery voltage reaches the low voltage disconnect voltage, it will
automatically stop battery discharging to prevent battery damage caused by
over-discharging. (Any controller connected loads will be disconnected. Loads
directly connected to the battery will not be affected and may continue to
discharge the battery.)
Battery
Overhea-
ting
The controller can detect the battery temperature through an external tem-
perature sensor. The controller stops working when its temperature exceeds
65 °C and restart to work when its temperature is below 55 °C.
Lithium
Battery
Low Tem-
perature
When the temperature detected by the optional temperature sensor is lower
than the Low Temperature Protection Threshold(LTPT), the controller will stop
charging and discharging automatically. When the detected temperature is
higher than the LTPT, the controller will be working automatically (The LTPT is
0 °C by default and can be set within the range of 10 ~ -40 °C).
Load Short
Circuit
When the load is short circuited (The short circuit current is ≥ 4 times the
rated controller load current), the controller will automatically cut off the out-
put. If the load reconnects the output automatically fi ve times (delay of 5s,
10s, 15s, 20s, 25s), it needs to be cleared by pressing the Load button, rest-
arting the controller or switching from Night to the Day (nighttime > 3 hours).
Load Over-
load
When the load is overloading (The overload current is ≥ 1.05 times the rated
load current), the controller will automatically cut off the output. If the load
reconnects automatically fi ve times (delay of 5s, 10s, 15s, 20s, 25s), it needs
to be cleared by pressing the Load button restarting the controller, switching
from Night to Day (nighttime > 3 hours).
Controller
Overhea-
ting*
The controller is able to detect the temperature inside the battery. The cont-
roller stops working when its temperature exceeds 85 °C and restart to work
when its temperature is below 75 °C.
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