Service manual

Installation

DCB, DCFCB and DCFCTB Models

HTR4 (Battery Warmers) section on page 81 and Figure 21 HTR2 and HTR4

Wiring Diagram).

2. There are several wires entering the battery cabinet: a red 4 AWG, a black 4

AWG, and a multiple conductor cable. The red and black 4 AWG wires provide

48 VDC operating power to the siren. The multiple conductor cable provides the

charge current for the batteries. Several white wires with lugs on each end are

also packaged with the batteries. These white wires are used to connect the

batteries in series.

3. Connect the wires to the batteries per Figure 13 Battery Positioning and Wiring

and securely fasten all connections.

4. Apply user supplied silicon grease, or other oxide inhibiting compound to the

battery terminals.

Figure 13 Battery Positioning and Wiring