CONNECTION OF OPTIONAL UNITS
I-31
■ BUILT IN BATTERY AND LITHIUM BATTERY
Connecting the built-in battery (VB-3295PEX) automatically switches to battery power when a
power failure occurs, allowing the system to operate even in a power failure.
● Installing the Built-in Battery
q Secure the built-in battery at the battery installation position on the CCU. (The built-in battery is
secured by claws on the CCU.)
w Insert the connector into CN3 on the CCU.
● Replacement of Backup Lithium Battery
WARNING
Danger of explosion if battery is incorrectly replaced. Replace only with the
same or equivalent type recommended by the manufucturer. Dispose of used
batteries according to the manufacturer’s instructions.
Built in battery
CN3
CCU
w
q
Lithium battery
CR2450, MnO2-Li cell, 3V DC
● Replacement of Fuse
CAUTION
Double pole / neutral fusing. Be sure to replace with the same rated fuse.
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