Epever IP1500-12-Plus(T), User Manual

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22
7. Protection
1)
Input reverse polarity protection
The electronic circuit works to protect the inverter from damage during input
reverse polarity. After correcting the connection, the inverter will work
properly.
2
）
Input overvoltage protection

Input overvoltage protection (
“Ui” is DC input voltage)
Models Protection Default User-defined Phenomenon
IP***-1*-Plus 16V
＜
Ui
＜
16.2V 16V 15.5
～
16.2V The output is OFF
after 5s
Blue indicator fast
flashing
Buzzer sounds
LCD display
IP***-2*-Plus 32V
＜
Ui
＜
32.2V 32V 31
～
32.2V
IP***-4*-Plus 64V
＜
Ui
＜
64.4V 64V 62
～
64.4V
IP***-1*-Plus Ui≥16.2V
★
— —
The output is OFF
immediately
Blue indicator fast
flashing
Buzzer sounds
LCD display
IP***-2*-Plus Ui≥32.2V
★
— —
IP***-4*-Plus
Ui≥64.4V
★
— —
★
WARNING: The inverter has the input over voltage protection,
but the surge voltage less than 20V for 12V system, 40V for 24V
system, 80V for 48V system)

Input overvoltage recover protection (
“Ui” is DC input voltage)
Models Recover Default User-defined Phenomenon
IP***-1*-Plus
Ui≤14.5V
14.5V
14
～
15V
The blue indicator
on solid
Output is ON
IP***-2*-Plus
Ui≤29V
29V
28
～
30V
IP***-4*-Plus
Ui≤58V
58V
56
～
60V
3
）
Low voltage protection

Low voltage protection (
“Ui”is DC input voltage)
Models Protection Default User-defined Phenomenon
IP***-1*-Plus 10.5V
＜
Ui
＜
10.8V 10.8V 10.5
～
11.3V The output is OFF
after 5s
The blue indicator
slowly flashing
Buzzer sounds
IP***-2*-Plus 21V
＜
Ui
＜
21.6V
21.6V
21
～
22.6V
IP***-4*-Plus 42V
＜
Ui
＜
43.2V 43.2V 42
～
45.2V