Installation Manual

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Operation

• Full Charge – This status indicates that you have entered the Battery Saver™ mode. This

mode maintains the batteries without overcharging, and prevents excessive loss of water in

ﬂ ooded batteries or drying out of GEL/AGM batteries. After four hours of ﬂ oat charging, the char-

ger turns off and “Full Charge” displays (charger is now in Battery Saver™ mode). If the battery

voltage drops to ≥12.6 (12-volt models), ≥25.2 (24-volt models) or ≥50.4 (48-volt models), the

charger automatically initiates another four hours of ﬂ oat charging. This cycle helps to ensure

the batteries are maintained and continues as long as AC power is continuously connected to the

AC input. “Full Charge” only displays if Multi-Stage is selected from the 03G Final Charge Stage

menu.

• Load Support AAC – The inverter is in the Load Support (Amps AC) mode because the in-

verter load is requiring more power than the incoming AC source can provide on its own. The

inverter pulls the additional current—that is needed for the loads—from the inverter batteries to

keep the incoming AC current from exceeding the SETUP: 03A AC Input Amps setting.

Info: The Load Support AAC feature operates in parallel with the AC input to support

the inverter loads and is only available on MSH Series inverter/chargers. It is only

active when the inverter is enabled (INV LED is on).

Info: When in Inverter Standby mode (charging and pass-thru), the current is normally

a positive value. However, in Load Support AAC mode, the inverter amps reading is

a negative number to indicate how much current is being provided/removed from the

inverter’s batteries. The inverter’s batteries continue to provide current to assist the AC

input current until the batteries reach 0.5 volts (12V systems), 1.0 volts (24V systems),

and 2.0 volts (48V systems) above the SETUP: 02B LBCO Setting menu’s value.

• Load Support VDC – The inverter/charger is in the Load Support (Volts DC) mode because

an external DC source (solar, wind, etc.,) is providing more current than needed—which causes

the battery voltage to rise. The inverter/charger reduces the incoming AC current in an effort to

keep the battery voltage from rising above the temp-compensated 03C Battery Type setting.

Info: The Load Support VDC feature operates in parallel with the AC input to support

the inverter loads and is only available on MSH Series inverter/chargers. This feature is

only active in Bulk, Absorb, Float or EQ charge modes and when the inverter is enabled

(INV LED is on); it is deactivated if the charger is in Charger Standby.

• Silent – This displays at the end of the Absorption stage if Silent is selected from the 03G Fi-

nal Charge Stage menu. In Silent mode, the charger is not actively charging but does monitor the

battery voltage. When the battery voltage reaches the Set ReBulk Volts setting (from 03G Final

Charge Stage menu) the charger will restart a Bulk and Absorb charge cycle, and then transition

back into Silent mode at the end of the Absorb cycle.

5.3.3 Secondary Scrolling Status Messages

These displays alternate with the inverter/charger status to indicate other pertinent messages.

• ACIn-Disabled – AC power is present at the inverter’s AC input, but the inverter/charger

is prevented from connecting to any incoming AC because the AC In-Disabled setting has been

selected from the CTRL: 01 ACIn Control menu.

• Gen Warm-up – The ME-AGS-N has commanded a generator to run, but the inverter

will not connect to the generator’s DC output until the generator warm-up time is complete.

Note: Requires that the optional ME-AGS-N Auto Gen Start controller be installed.

• Max Charge Time – The charger has ﬁ nished Absorption charge mode as the 03F Max

Charge Time setting has been exceeded.

• Reminder to EQ – The number of days that was set in the 03H EQ Reminder Days menu has

been exceeded and you need to equalize your batteries.

• SOC Connect – AC power is present at the inverter’s AC input, but the battery bank State of

Charge needs to reach the Connect SOC setting from the SETUP: 02E AC IN - SOC menu in order

for the inverter/charger to connect to the incoming AC.