
4
3.2 LED Indicator on Front Panel
3.3 Function Indication and Alarm
LED 1 ON
LED 1 ON
LED 1~ 2 ON
LED 1~ 2 ON
LED 1 ~ 3 ON
LED 1 ~ 3 ON
LED 1 ~ 4 ON
LED 1 ~ 4 ON
Battery
Capacity
Battery
Capacity
LED Display
LED Display
0 ~ 25% 26 ~ 50% 51 ~ 75% 76 ~ 100%
AC OU T PU T
SOL AR CHA RGE
AC CHARGE
B F
A
C
BATTERY
10 0
0
100
0
Saving
Bat Low
On
Setting
LO AD
INVERTER
BY PASSAC IN
E
G
Figure 3.1: Front Panel (TN-1500)
D
ON
OF F
Remote
port
0 ~ 30% 30 ~ 50% 50 ~ 75% 75 ~ 100%
Battery Capacity Indicator: represents the remaining capacity of external
◎ On : The inverter started up and output is normal.
◎ Bat Low : Voltage of external batteries is too low. The inverter will send out
◎ Saving : The inverter is operating under the "Saving Mode" and there's no
a "Beep" sound to warn the users.
AC output.
batteries.
Load Condition Indicator: represents the magnitude of output loads.
◎ AC CHARGE : The built-in AC charger is charging external batteries.
◎ SOLAR CHARGE : The external solar panels are providing energy to the
◎ AC IN: The status of utility is normal.
◎ BYPASS: The unit is working under "Bypass Mode". The AC electricity
◎ INVERTER: The unit is working under "Inverter Mode" The AC electricity
◎BATTERY: Display the remaining capacity of external batteries.
◎LOAD: Display the output load status.
external batteries through the built-in solar charger.
consumed by the loads is provided by the utility instead of the inverter.
consumed by the loads is converted from the batteries.
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