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ELECTRICAL
Operating The Inverter/Charger
INVERTER MODE
•
Turning the inverter on: Press the ON/OFF INVERTER
button to activate the inverter function. The inverter
will either be actively “inverting” by using power
from the batteries to power the AC loads; or, the
inverter will be “searching” for a load by using very
little power from the batteries, if in Search mode. The
green INV LED is on when the inverter is actively
inverting, and flashes while searching.
•
Turning the inverter o ff : While the inverter is actively
inverting or searching, press the ON/OFF INVERTER
button to switch the inverter function o ff . This will turn
the green INV LED o ff .
•
Inverter Standby – The inverter is a slave unit in a
parallel stacked system. Inverter Standby occurs
when the inverter is enabled (green INV LED is on),
but not actively providing power from the batteries
to the inverter loads. During Inverter Standby mode,
the loads connected to the inverter are powered by
the other inverters in the parallel stacked system. The
standby inverter will come on automatically if the AC
loads increase and require more inverter power.
CHARGER MODE
Turning the charger on: The Charge mode is automatically
activated and begins when acceptable AC power (utility or
generator) is connected to the input of the inverter. When
in Charge mode, the display may show: Absorb Charging,
AC Coupling, Bulk Charging, Charger Standby, Charging,
Equalizing, Float Charging, Full Charge, Load Support
AAC, Load Support VDC, and Silent.
•
Charger Standby – While the charger is actively
charging, press the ON/OFF CHARGER button to
switch the charger to Charger Standby. While in
Charger Standby, the incoming AC is still available on
the inverter’s output, but the charger is not allowed to
charge. The LCD displays “Charger Standby” and the
CHG LED flashes.
❒ To resume charging, press the ON/OFF CHARGER
button or disconnect/reconnect AC power to the
inverter’s input.
•
Equalize charging: Equalizing is a “controlled
overcharge” performed after the batteries have been
fully charged. It helps to mix the battery electrolyte
(to reverse the buildup of stratification) and to remove
sulfates that may have built up on the plates. These
conditions if left unchecked, will reduce the overall
capacity of the battery.
System Status Messages
A status message may be an operational or fault message
indicating the inverter/charger’s current operating status.
This section will cover the inverter/charger’s operating
and fault modes, and the available status messages under
each mode.
Use the displayed status message and the status LEDs on
your ME-RC remote to determine the inverter/charger’s
current operating status, and to help troubleshoot the
system if a fault occurs. There are three operating modes
of the inverter/charger:
•
Inverter mode
•
Charger mode
•
Fault mode
INVERTER MODE STATUS MESSAGES
There are several Inverter mode messages. View the top
line of the LCD display and the corresponding message
in this section to determine and understand the particular
Inverter mode.
•
Inverter Standby – The inverter is part of a parallel
stacked system and is on, but not actively providing
power. However, the inverter remains active and
available to start automatically if additional inverter
power is required.
❒ Inverter Standby appears on the LCD. The PWR
(green) and INV (green) LEDs are on solid. The
FAULT (red) and CHG (green) LEDs are o ff .
•
Inverting – The inverter is providing AC voltage on its
output by inverting power from the batteries.
❒ Inverting appears on the LCD. The PWR (green)
and INV (green) LEDs are on solid. The FAULT (red)
and CHG (green) LEDs are o ff .
•
O ff – No AC available on the inverter’s AC output. The
inverter function is o ff , and there is no utility/shore or
generator AC power sensed on its input.
❒ O ff appears on the LCD. All LEDs are o ff .
•
Searching – The inverter is in Search mode. The AC
loads on the inverter output are less than the SETUP
menu’s 01 Search Watts setting. The Search mode
function is used to reduce the inverter draw from the
battery, and may be turned o ff at any time if you want
full inverter output voltage available at all times.
❒ Searching appears on the LCD. The PWR (green)
LED is on solid, and the INV (green) LED flashes.
The FAULT (red) and CHG (green) LEDs are o ff .
CHARGER MODE STATUS MESSAGES
When AC power (utility or generator) is connected to the
inverter/charger, it begins to monitor the AC input for
acceptable voltage. Once the AC input is accepted, the
AC transfer relay (inside the inverter) closes and Charger
mode begins. There are several Charger mode messages.
WARNING
!
Do not perform an Equalization charge without
reading and following all safety precautions
pertaining to charging/equalization as noted in this
manual and provided by the battery manufacturer,
and any equalization information in the inverter
owner’s manual.