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G8000 Series Installation and Operation Manual

14.8 Changing to Float Charge from Protection Charge (If applicable)

The manual procedure to change from protection charge to oat charge is shown in Step 1-3.This

operation applies to batteries after they have experienced over temperature condition.

See the Note below for an explanation of oat charge and protection charge.

STEP 1

Make sure that the EQUAL CHARGE LED

is “ON”.

STEP 2

Make sure that the “BATT FAULT1” warning

goes away.

STEP 3

Press “FLOAT/EQUAL” button for at least

0.5 seconds.

Procedure completed.

NOTE

The battery is normally being charged at oat

charge mode. To prevent thermal runaway

of the battery, this mode will automatically

be changed to protection charge when a

“BATT FAULT1” (Battery over temperature)

warning occurs.

In protection charge mode, the battery is

automatically charged at a voltage about 5%

lower than oat charge.

If the “BATT FAULT1” warning message goes

away and a programmed duration is elapsed

(about 24 hours), this mode will automatically

be changed back to oat charge. Thus, it is

not usually required to change the recharge

mode manually back to the oat charge.

CONVERTER

INVERTER

UPS

AC OUTPUT

BATTERIES

BYPASS INPUT

DISCHARGE

EQUAL CHARGE

FLOAT CHARGE

BYPASS

AC INPUT

SWITCH

UPS SUPPLY

AC - Vo 480 V

AC - Io 50%