Appendix N External Battery Charger. Notifier AFP-200

Overview

External Battery Charger

Appendix N External Battery Charger

N.1 Overview

The CHG-120 is capable of charging 25 AH to 120 AH batteries. You must install an external battery charger if the power supply must deliver more than 3.0 A of current when no fire alarm signal is present. To use the CHG-120 with the AFP-200, you must cut jumper JP2 on the main CPU board (see Figure 3 on page 17).

Refer to the CHG-120 Instruction Manual (PN 50641) for detailed information on

CHG-120 specifications, connections, operation, and configuration.

N.2 Installation Requirements

Options for mounting batteries are as follows:

1. Cut jumper JP2 on the main circuit board.

2. Mount the CHG-120 in an external battery box

3. Locate the CHG-120 within 20 feet (6.096 m) of the control panel.

The CHG-120 battery charger is designed to charge lead-acid batteries that provide emergency standby power for a Fire Alarm Control Panel (FACP). Two 12-volt batteries are always used in series to supply 24 VDC nominal.

N.3 Mounting the CHG-120

N.3.1 Mounting the Charger into a CAB-X3 Series Cabinet

You can mount a charger into the bottom row of a CAB-X3 Series Cabinet, as long as the charger is within 20 feet (6.096 m) of the load. Typically, a charger mounts into the lower right corner of the CAB-X3—beside the power supply (Figure 169, position 2).

If using an additional CAB-X3, you can mount the charger in the lower left corner

(Figure 169, position 2).

Figure 169 shows the two mounting positions of a charger into a CAB-X3.

AFP-200 PN 15511:H2 10/14/2002

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