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MM-AVR600, MM-AVR800, MM-AVR1200 User’s Manual
Uninterruptible Power Supply (UPS)
4
REPLACING THE BATTERY
(QUALIFIED SERVICE PERSONNEL ONLY)
CAUTION! Read and follow the IMPORTANT SAFETY INSTRUCTIONS before servicing the
battery. Service the battery under the supervision of Qualified Service Personnel knowledgeable
of batteries and their precautions.
CAUTION! Use only the specified type of battery. See your dealer for replacement batteries.
CAUTION! The battery may present risk of electrical shock. Do not dispose of battery in a fire,
as it may explode. Follow all local ordinances regarding proper disposal of batteries.
CAUTION! Do not open or mutilate the batteries. Released electrolyte is harmful to skin and
eyes and may be toxic.
CAUTION! Although the battery system voltage is only 12VDC and 24VDC, the battery can
present a high risk of short circuit current and electrical shock. The short circuit current capability
of the battery is sufficient to burn wire or tools very rapidly producing molten metal. Observe
these precautions when replacing the battery:
1. Remove all watches, rings or other metal objects.
2. Only use tools with insulated handles.
3. Do not lay tools or metal parts on top of battery or any terminals.
4. Wear protective eye gear (goggles), rubber gloves and boots.
5. Disconnect the charging source before connecting or disconnecting the battery terminals.
6. Determine if the battery is inadvertently grounded. If inadvertently grounded, remove the
source of ground. Contact with a grounded battery can result in electrical shock! The
likelihood of such shock will be reduced if; such grounds are removed during installation and
maintenance (applicable to a UPS and a remote battery supply not having a grounded circuit).
BATTERY REPLACEMENT PROCEDURE
(QUALIFIED SERVICE PERSONNEL ONLY)
Note: The MM-AVR600 and the MM-AVR800 have user replaceable
batteries. The MM-AVR1200 does not allow for user replacement of
the batteries.
1. Turn off and unplug all connected equipment.
2. Turn the UPS off and unplug the UPS’s power cord from the AC wall outlet.
3. Turn the UPS upside down.
4. Remove the retaining screws from the battery compartment door.
5. Remove the battery compartment door.
Retaining
Screws