AFP-200 PN 15511:H. 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.

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External Battery Charger

Mounting the CHG-120

Mounting hooks

Position 1:

Lower right corner.

Position 2:

Lower left corner.

Figure 169 Mounting a Charger into a CAB-X3 (CAB-C3 shown)

To mount a charger into a CAB-X3 Series Cabinet, follow these instructions:

1. Place the charger chassis mounting slots in line with the mounting holes in the cabinet. If mounting in position 2, place the charger chassis onto the mounting hooks in the cabinet.

2. Insert the self-tapping screws through the charger chassis mounting slots and into the mounting holes in the cabinet.

Self-tapping screw

Chassis mounting slot

3. Tighten the self-tapping screws.

N.3.2 Mounting the Charger into a Battery Box

You can also mount a charger into a BB-55 or NFS-LBB battery box, as long as the box is within 20 feet (6.096 m) of the load. Note that a charger takes up half the space of the

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

Mounting the CHG-120

External Battery Charger battery box. This means there is only room left for two 25 AH batteries in the BB-55 or NFS-LBB.

Figure 170 shows the mounting position.

Optional bracket for mounting an optional

AM-1 or VM-1

Self-tapping screws

Figure 170 Mounting a Charger into a BB-55 or NFS-LBB

To mount a charger into the battery box, follow these instructions:

1. Place the charger chassis mounting slots in line with the mounting holes in the BB-55 or

NFS-LBB.

2. Insert the self-tapping screws through the charger chassis mounting slots and into the mounting holes in the battery box.

Self-tapping screw

Chassis mounting slot

3. Tighten the self-tapping screws.

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External Battery Charger

Connecting the CHG-120

N.4 Connecting the CHG-120

Figure 171 shows how to connect four 55 AH batteries to the charger:

JP2

AC Power In

J3

AFP-200

AC Power In

TB1

TB2

Charger

–

+

–

TB2

+

–

+

F1 F2 F3

!

Warning:

Do not connect the

Battery

Interconnect Cable

at this time.

–

Battery Interconnect Cable

+

–

+

55 AH/

60 AH

(12 V)

55 AH/

60 AH

(12 V)

–

Battery Interconnect Cable

+

–

+

55 AH/

60 AH

(12 V)

55 AH/

60 AH

(12 V)

AFP2-CHG

Figure 171 Connecting the CHG-120 to the AFP-200

N.4.1 Connecting a CHG-120 to the AFP-200

Connect CHG-120 (tied to four batteries) to the AFP-200 as follows:

1. Remove all power sources to the charger.

2. Tie the batteries in pairs by connecting the battery negative terminals and the battery positive terminals as shown in Figure 171.

3. Connect the battery negative cable to the TB2 terminal (on the charger labeled

“Battery –”) as shown in Figure 171.

4. Connect the battery positive cable to the TB2 terminal (on the charger) labeled

“Battery +”) as shown in Figure 171.

5. Proceed to the section “Connecting the Charger.”

Do not connect the Battery

Interconnect Cable at this time

—refer to the CHG-120 manual, part number

50641 for more detail.

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

Limited Warranty

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warrants its products to be free from defects in materials and workmanship for eighteen (18) months from the date of manufacture, under normal use and service. Products are date stamped at time of manufacture. The sole and exclusive obligation of

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manufacturing date-stamp control, the warranty is eighteen (18) months from date of original purchase by

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’s distributor unless the installation instructions or catalog sets forth a shorter period, in which case the shorter period shall apply. This warranty is void if the product is altered, repaired or serviced by anyone other than

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or its authorized distributors or if there is a failure to maintain the products and systems in which they operate in a proper and workable manner.

In case of defect, secure a Return Material Authorization form from our customer service department. Return product, transportation prepaid, to

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