Maintenance - ABB PowerValue 11 RT G2 User Manual

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8
A B B U P S P R O D U C T S A N D S O L U T I O N S

2 Maintenance

The PowerValue 11 RT G2 1-3 kVA UPS requires
only minimal maintenance.
Charge the UPS regularly to maximize the
expected life of the battery. When connected to
mains power, the UPS charges the batteries and
prevents the batteries from overcharging and
over-discharging.
• Replace the batteries when the battery service
life has been exceeded (around three to five
years at 25°C ambient temperature). Contact
your local ABB or an agent authorized by ABB
for replacements.
• Charge the UPS once every four to six months
if it is not used regularly.
• In high-temperature regions, charge and
discharge the battery every two months.
The standard charging time should be at
least 12 hours.
• Replace the battery when the discharge time
is less than 50 percent of specified after fully
charging. Check the battery connection or
contact your local dealer to order a new battery.
COMPONENTS INSIDE THE UPS ARE
CONNECTED TO THE BATTERY EVEN
WHEN THE UPS IS DISCONNECTED FROM
THE MAINS POWER SUPPLY.
DANGER
DISCONNECT THE BATTERIES BEFORE
CARRYING OUT ANY KIND OF SERVICE
AND/OR MAINTENANCE. VERIFY THAT NO
CURRENT IS PRESENT, AND NO
HAZARDOUS VOLTAGE EXISTS IN THE
CAPACITOR OR BUS CAPACITOR
DANGER
TERMINALS.
DO NOT DISCONNECT BATTERY
CONNECTORS UNDER LOAD
THE BATTERY CIRCUIT IS NOT ISOLATED
FROM THE INPUT VOLTAGE. HAZARDOUS
VOLTAGES MAY OCCUR BETWEEN THE
BATTERY TERMINALS AND THE GROUND.
VERIFY THAT NO VOLTAGE IS PRESENT
DANGER
BEFORE SERVICING.
A BATTERY CAN PRESENT A RISK OF
ELECTRICAL SHOCK AND HIGH SHORT
CIRCUIT CURRENT. THE FOLLOWING
PRECAUTIONS SHOULD BE OBSERVED
WHEN WORKING ON BATTERIES:
• REMOVE WATCHES, RINGS OR OTHER
METAL OBJECTS
• MAKE USE OF PROPER PPE (PERSONAL
PROTECTION EQUIPMENT) AS PER
LOCAL POLICIES AND RULES
- WEAR FLAME/ARC RESISTANT
WHOLE BODY CLOTHING
- WEAR SUITABLE VOLTAGE RATED
DANGER
GLOVES
- USE SAFETY DIELECTRIC FOOTWEAR
- WEAR ARC FLASH FACE SHIELD
- USE VOLTAGE RATED TOOLS
• DO NOT LAY TOOLS OR METAL PARTS
ON TOP OF BATTERIES
• DISCONNECT THE CHARGING SOURCE
PRIOR TO CONNECTING OR
DISCONNECTING BATTERY TERMINALS.
REPLACE BATTERIES WITH THE SAME
NUMBER AND SAME TYPE OF BATTERIES.
SERVICING OF BATTERIES SHOULD BE
PERFORMED OR SUPERVISED BY
PERSONNEL KNOWLEDGEABLE ABOUT
BATTERIES AND THE REQUIRED
PRECAUTIONS.
CAUTION: DO NOT DISPOSE OF BATTERIES
WARNING
IN A FIRE. THE BATTERIES MAY EXPLODE.
CAUTION: DO NOT OPEN OR MUTILATE
BATTERIES. RELEASED ELECTROLYTE IS
HARMFUL TO THE SKIN AND EYES. IT MAY
BE TOXIC.
REPLACE FUSES ONLY WITH FUSES OF
THE SAME TYPE AND OF THE SAME
AMPERAGE TO AVOID FIRE HAZARDS.
WARNING
A HB Flame class battery is not for use in a computer room
as defined in the standard for the Protection of Electronic
Computer/Data Processing Equipment ANSI/NFPA 75

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