Battery; Replace Battery For Sh/Sl Power Supply - GE C70 Instruction Manual

Capacitor bank protection and control system
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BATTERY

The standard front panel can be opened to the left once the black plastic sliding latch on the right side has been
pushed up, as shown below.
2.
With power to the unit off, disconnect individually the connections at the front and back of the module before
removing the module from the chassis.
For any Process Card/process bus module in slot H for use with a HardFiber Brick, also remove the two screws at the
back that attach the module to the chassis.
3.
To properly remove a module, pull simultaneously the ejector/inserter clips, located at the top and bottom of the
module. Record the original location of the module to ensure that the same or replacement module is inserted into the
correct slot. While modules with current input provide automatic shorting of external CT circuits, for CT/VT modules it
is recommended to short/isolate external circuits accordingly for maximum safety.
4.
To properly insert a module, ensure that the correct module type is inserted into the correct slot position. The ejector/
inserter clips located at the top and at the bottom of each module must be in the disengaged position as the module
is smoothly inserted into the slot. Once the clips have cleared the raised edge of the chassis, engage the clips
simultaneously. When the clips have locked into position, the module is fully inserted.
When adding a module (versus replacing a module), check that settings have not changed. Depending on the
module, settings can reset to default values.
10.12 Battery
A battery powers the real time clock on startup of the device.
When required, the battery can be replaced. The power supply module contains the battery. The battery type is 3 V
cylindrical.

10.12.1 Replace battery for SH/SL power supply

When required, the battery can be replaced. The power supply module contains the battery.
10
10-24
Figure 10-27: Removing module (standard front panel)
To avoid injury, ensure that the unit has been powered off for a minimum of three minutes before
replacing the battery.
Risk of fire if battery is replaced with incorrect type or polarity.
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL
CHAPTER 10: MAINTENANCE

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