Wallace Perimeter Security ALPHA, Installation And Maintenance Manual

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CLOCK BATTERY REPLACEMENT
To install the two new batteries, reverse the removal procedure:
1� Connect the red wire to red terminal on the left battery and slide the battery onto the tray.
2� Attach the blue wire to the black terminal.
3� Insert the second 8Ah battery and connect the blue wire to the red terminal.
4� As you slide the battery onto the tray, connect the black wire to the black terminal on the right
battery. See “Figure 52. New DC Battery Replacement” on page 177 �
If you have difficulty removing the
batteries through the access hole,
an optional method for battery
replacement is to remove the
control box. Four Phillips-head
screws secure the control box to
the chassis. Remove the screws and
remove the control box to access
the batteries. Be careful that you
do not inadvertently disconnect
the control box wire bundles. An
assistant for this alternative method
of battery removal/replacement is
highly recommended. See Figure 53.
Clock Battery Replacement
A lithium coin battery supports the clock so the date and time is retained even when the main power is
turned off. (See Figure 54.) Replace the battery about every five years (or as needed) with a DL 2025,
DL 2032, or CR 2025, or CR 2032 battery.
Figure 54. Clock Battery Replacement