Bray BBU - Page 11

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Battery Backup Unit (BBU) — Installation & Maintenance Manual Continued
3.7 Connect four (4) battery terminals to two (2) 12VDC batteries as shown in the applicable wiring
diagram for the specific S70 actuator assembly. See [Figure 6] for example.
3.8 Gently insert the batteries into the BBU case with the battery terminals positioned nearest
to the circuit board [Figure 7].
Wire Color Description
Battery 1 - Postive
Battery 1 - Negative
Battery 2 - Postive
Battery 2 - Negative
Red
Blue
Orange
Purple
Figure 6
Figure 7