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5. UNIT OPERATION
The unit is preset with factory default settings and will fulfill the basic needs for inverter-
charger operation. The display is used to provide information about the unit status and the
unit function can be customized through the Display.
Once the unit function is customized, the display can be removed if desired, as the unit can
run without it.
Understanding the Indicator/Push Button/Unit Functions
1
2
3
4
5
6
Indicator
Power
AC Output
Status
Green (Flash)
Amber (Flash)
Normal Operation
When unit is On, the Multi-Function display shows Battery Voltage 'V'.
Pressing any button will illuminate the backlighting of the display for about 10 seconds.
'Power' button (Same function as the green 'On/Off' push button on the main unit):
- To turn the inverter ON: press and hold until hearing the beep (in about 1 sec.).
Display turns on and shows '-- -- --', all icons turn ON, followed by the revision levels
WhisperPower Inverter / Battery Charger
7
8
Status
ON
Unit is power ON
AC Output Switch is turned ON and AC is available at the
ON
Output Socket
AC Output Switch is turned OFF and AC is not available at
OFF
the Output Socket
Green
AC Output is running from Utility
AC Output is running from utility and battery charger is
charging the battery
Amber
AC Output is running from Inverter
Utility is detected and is under verification. AC Output is still
running from Inverter and will switch to Utility in about 10
seconds.
Red
Error/Warning occurs. Display will show Error or Warning code
d
e
f
Power AC Out Status
g
On/Off
Remote
BTS
h
i
k
p
j
Function
17
Item
① d
Power indicator
② e
AC Output indicator
③ f
Status indicator
④ g
⑤
⑥
⑦
⑧
h
Display port
i
BTS port
j
Digital input port
k
Program port
p
CAN BUS port
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