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Fire Control Instruments
14-16 Southwest Park
Westwood, MA 02090, USA
Phone: (781) 471-3000
FAX: (781) 471-3099
CHG-120 Battery Charger
Instruction Manual
FCI P/N 9000-0572
Document 52459
11/22/04 Revision:
A
PN 52459:A ECN 04-691
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While a fire alarm system may lower insurance Fire Alarm System Limitations rates, it is not a substitute for fire insurance! An automatic fire alarm system–typically made up of smoke Heat detectors do not sense particles of combustion and alarm detectors, heat detectors, manual pull stations, audible warn- only when heat on their sensors increases at a predetermined ing devices, and a fire alarm control with remote notification rate or reaches a predetermined level. Rate-of-rise heat detec- ca
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Adherence to the following will aid in problem-free Installation Precautions installation with long-term reliability: WARNING - Several different sources of power can be con- Like all solid state electronic devices, this system may nected to the fire alarm control panel. Disconnect all sources operate erratically or can be damaged when subjected to light- of power before servicing. Control unit and associated equip- ning-induced transients. Although no system is completely ment may be damaged
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Notes
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Table of Contents Introduction to the Charger ....................................................................................... 1 Overview................................................................................................................... 1 Specifications............................................................................................................ 2 Compliance with NFPA Codes and UL Standards ................................................... 2 Charger Mainten
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Notes vi CHG-120 Instruction 11/22/04 PN: 52459:A FCI P/N:9000-0572
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1. Introduction to the Charger Overview 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. The following list gives answers to some common questions about the charger: Note: Throughout this manual, the term “charger” refers to a • What types of FACPs can be used with the charger? Any 24 VDC FACP that uses CHG-120. lead-aci
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Introduction to the Charger Specifications The charger also provides the following features: • AM-1 ammeter (0-10A) ordered separately • VM-1 voltmeter (0-50 V) ordered separately • Disable local ground fault detection • Selectable loss of AC delay (8 or 16 hours) Specifications Table 1 contains electrical specifications for the charger: Primary AC power in (TB1) 120 VAC, 60 Hz, 2 A 240 VAC, 50 Hz, 1 A Form-C relay (TB3) 5 A at 30 VDC Float charge voltage 27.6 VDC Maximum charging current 4.5 A
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2. Installing the Charger Overview This section contains instructions and illustrations for installing the charger, divided into the following topics: Section Topic(s) Covered Page Installation Precautions and Precautions to take when installing the charger 3 Standards and recommended installation standards. Charger Connections, Location and references to connections, 4 Jumpers, and Switches jumpers, and switches used to configure, maintain, and operate the charger. Connecting AC Power to Ho
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Installing the Charger Charger Connections, Jumpers, and Switches Installation Standards An installer should be familiar with the following standards: • NEC Article 300 Wiring Methods. • NEC Article 760 Fire Protective Signaling Systems. • Applicable Local and State Building Codes. • Requirements of the Authority Having Jurisdiction. Charger Connections, Jumpers, and Switches Figure 2 show all connections, jumpers, and switches needed to maintain, configure, and operate the charger: JP4 – Open
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Connecting AC Power to the Charger Installing the Charger Connecting AC Power to the Charger Caution: Before connecting AC power to the charger—make sure to set the Voltage Select Switch (SW1) on the charger (Figure 2) to match your AC power source (120 VAC or 240 VAC). Figure 3 shows the voltage selection positions for SW1: Note: The charger is rated for 120 VAC or 240 VAC operation. Therefore, 115V on SW1 indicates 120 VAC operation; and 230V, indicates 240 VAC operation. SW1 set to 1
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Installing the Charger Connecting Batteries to the Charger Connecting Batteries to the Charger Overview you can connect 25 AH –120 AH batteries to the charger. This section provides illustrations and instructions for connecting two batteries or for connecting four batteries. Connecting Two Batteries Figure 5 shows how to connect two 25 AH batteries to the charger: TB1 TB2 CHG-120 Warning: Do not ! Power Supply connect the Battery Interconnect Cable at this time. Refer to “Starting the C
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Connecting Batteries to the Charger Installing the Charger Connecting Four Batteries Figure 6 shows how to connect four 55 AH batteries to the charger: TB1 TB2 Warning: Do not Charger ! connect the Battery Power Supply Interconnect Cable at this time. Refer to “Starting the Charger” on page 15. Figure 6 Connecting Four Batteries to a Charger Table 4 contains instructions for connecting four batteries to the charger: Step Action 1 Remove all power sources to the charger. 2 Tie the batteries
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Installing the Charger Mounting the Charger Mounting the Charger 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 of the load. Typically, a charger mounts into the lower right corner of the CAB-X3—beside the power supply (Figure 7, position 2). If using an additional CAB-X3, you can mount the charger in the lower left corner (Figure 7, position 2). Figure 7 shows the two mount
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Mounting the Charger Installing the Charger Mounting the Charger into a BB-55 Battery Box You can also mount a charger into a BB-55 battery box, as long as the BB-55 is within 20 feet of the load. Note that a charger takes up half the space of the BB-55. This means you only have room left for two 25 AH batteries in the BB-55. Figure 8 shows the mounting position of a charger in a BB-55. Optional bracket for mounting an optional AM-1 or VM-1 Self-tapping screws Figure 8 Mounting a Charger i
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Installing the Charger Connecting the Charger to a Load Connecting the Charger to a Load This section provides two applications for connecting a charger to a load. While connecting a charger to a load, observe the following precautions: • Make sure all power sources are off to the charger and the load. • Follow polarity when making connections. Connecting the Charger to a Multiple Load You can connect a charger to multiple loads, such as a main power supply, auxiliary power supply, amplifiers
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Connecting the Charger to a Load Installing the Charger Adding the Charger for Additional Current Due to internal fuses, the maximum alarm current that can be drawn from the batteries and passed through the charger’s two output circuits is limited to 10 amps maximum (each circuit). The PS-12600 batteries, however, are capable of supplying up to 45 amps of current in alarm. The remaining 25 amps of alarm current can be drawn directly from the battery terminals to supply Notification Applia
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Installing the Charger Configuring the Charger Configuring the Charger You can configure the charger to do the following: • Set the charger input power (see Figure 3 on page 5). • Delay AC loss reporting (for Central Station applications); and • Disable charger ground fault detection. Figure 11 shows how to configure the charger for delaying the loss of AC reporting and for disabling ground fault detection: Disable ground fault detection cut and remove R104 Delay loss of AC (16 hrs) cut and rem
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Trouble and Form-C Relay Connections (Optional) Installing the Charger Trouble and Form-C Relay Connections (Optional) Table 5 contains descriptions of optional connectors on the charger: Function Connector Use open collector input and output to daisy JP5 Open Collector Trouble In chain a trouble signal through the charger JP4 Open Collector Trouble Out without affecting charger operation. Receive trouble signals from another device, JP6 Master Trouble In such as a Control Module. Transmit a ch
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Installing the Charger Installing Optional Meters Installing Optional Meters You can also order and install a ammeter (AM-1) or voltmeter (VM-1) for use with the charger. If mounting an AM-1 or a VM-1, mount the meter to a BB-55 as shown in Figure 14. Table 6 contains descriptions and part numbers for these optional meters: Item Part Number Description Ammeter AM-1 0-10 A ammeter with a 3-ft. cable for connection to the charger (JP3). Mounts into a BB-55 battery box only. Voltmeter VM-1 0-50
