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Siemens PAD-3 Installation, Operation And Maintenance Manual
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Siemens PAD-3 Installation, Operation And Maintenance Manual

Distributed power module nac expander
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Model PAD-3
Distributed Power Module NAC Expander
Installation, Operation, and Maintenance Manual
Siemens Building Technologies, Inc.
8 Fernwood Road
Florham Park, New Jersey 07932
P/N 315-099082-9
Fire Safety
Siemens Building Technologies, Ltd.
2 Kenview Boulevard
Brampton, Ontario L6T 5E4 Canada

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  • Page 1 Fire Safety Model PAD-3 Distributed Power Module NAC Expander Installation, Operation, and Maintenance Manual Siemens Building Technologies, Inc. Siemens Building Technologies, Ltd. 8 Fernwood Road 2 Kenview Boulevard Florham Park, New Jersey 07932 Brampton, Ontario L6T 5E4 Canada P/N 315-099082-9...

  • Page 3: Table Of Contents

    General Specifications....................... 3 INSTALLATION ........................5 Mounting the Enclosure..................... 5 Control Unit Mounting......................6 Wire Routing ........................7 Terminal Descriptions and Electrical Ratings..............8 Wiring The PAD-3......................9 2.5.1 AC Wiring......................... 10 2.5.2 Battery Connection ......................11 2.5.2.1 Multiple Module Battery Connection................12 2.5.3...

  • Page 4: Preface

    PREFACE Along with the use of this Owner’s Manual, the appropriate following standards and the manufacturers’ instructions for initiating and signaling devices should be used to install and maintain a functioning Fire Alarm Signaling System. NFPA 70 National Electrical Code NFPA 72 National Fire Alarm Code NFPA 101...

  • Page 5: Descriptions

    2 to indicate trouble. The fault does not affect input 1. Once the PAD-3’s inputs and outputs are activated, the fire alarm control unit will not be able to sense trouble conditions through its notification appliance circuit connected to the PAD-3 input circuits. Use the PAD-3 trouble relay when it is necessary to monitor trouble conditions and active alarm conditions at the same time.

  • Page 6: Regulatory Standards

    The PAD-3 meets the class A requirements of the Code of Federal Regulations (CFR 47), Part 15, subpart J, for electromagnetic field emissions. Underwriters Laboratories The PAD-3 control unit is listed under UL Standard 864 for compliance to NFPA Standard 72 for fire service.

  • Page 7: General Specifications

    • Maximum Input Current: 7.0mA Notification Appliance Circuits • Operating Voltage Range: Special Application 16-32 VDC Refer to Siemens Compatible Notification Appliances (P/N 315-096363) for maximum number per NAC • Synchronized appliances permitted • Maximum Alarm Current: 3.0A per circuit (6.0A total for NACs and auxiliary power) •...
  • Page 8 Auxiliary Power Output • Operating Voltage Range: Special Application 18-28 VDC Compatible devices: TRI-B6R (P/N 500-893536), TRI-R (P/N 500-896224) • Current: 3 amps max (set to shutdown when AC power fault, battery rating up to 7.0 A.H.) 1.5 amps max (set to shutdown when AC power fault, battery rating up to 15 A.H.) 0.17 amps max (set to on when AC power fault, 24 hours standby, battery rating 7.0 A.H.) 0.44 amps max (set to on when AC power fault, 24 hours standby, battery rating 15 A.H.) (Refer to Section 6.2, Battery Size Calculation)

  • Page 9: Installation

    When mounting the enclosure on interior walls, use appropriate screw anchors in plaster. When mounting on concrete, especially when moisture is expected, first attach a piece of ¾-inch plywood to the concrete surface. Attach the PAD-3 enclosure to the plywood. Consult the installation instructions included with the enclosure for proper mounting.

  • Page 10: Control Unit Mounting

    Before installing the PAD-3, the input must first be wired into the building’s main electrical power through the TB1 terminals. See Figure 2-2 on page 8. Shut off the electrical power to the PAD-3, and then complete the general installation of the PAD-3 using the information in this section.

  • Page 11: Wire Routing

    2.3 WIRE ROUTING Notes: All high voltage and non-power limited wiring must be kept separate from power limited wiring. A ¼” separation must be maintained, with high voltage and non-power limited wiring running in separate conduit openings from power wiring. To avoid induced noise (transfer of electrical energy from one wire to another), keep input wiring isolated from high current output and power-limited wiring.

  • Page 12: Terminal Descriptions And Electrical Ratings

    2.4 TERMINAL DESCRIPTIONS AND ELECTRICAL RATINGS Table 2-1. Terminal Descriptions Terminal # Description Ratings Earth Ground AC (white-"neutral") 120 VAC 50/60 Hz, 2.5A max. AC (black - "live”) Input 1 (+) Input 1 (-) 16 – 33 VDC/VFW, 7mA max. Input 1 Input 2 (+) Input 2 (-)

  • Page 13: Wiring The Pad-3

    2.5 WIRING THE PAD-3 Figure 2-2 shows the general layout of the PAD-3 PC board. This section also provides specific wiring details for accessories. Consult your control unit manual for specific wiring information on the control unit being used. If you are using a Siemens control unit, see Section 3 for connections.

  • Page 14: Ac Wiring

    2.5.1 AC Wiring 120 VAC 60Hz, 2.5A MAX. SUPERVISED, NON-POWER LIMITED C A U T I O N H O T Note: Branch current must be protected by a 15A overcurrent device. Figure 2-3. AC Wiring...

  • Page 15: Battery Connection

    2.5.2 Battery Connection The PAD-3 requires a 24V sealed lead-acid battery set. The battery capacity can be from 7 to 15A.H. For battery sets larger than 7A.H., an enclosure with System 3 rails or a separate battery enclosure is required.

  • Page 16: Multiple Module Battery Connection

    One of the PAD-3 boards must have its charging circuit disabled. e) The PAD-3 with the active charger is limited to 1.5 amps of auxiliary DC power at terminals 18 and Two (2) battery connection splitters (part number 230-299203) are used on the battery set for proper connection.

  • Page 17: Style Y (Class B) Input/Output Nac Wiring

    Style Y (Class B) Supervised Input Circuits Figure 2-8 shows Style Y (Class B) supervised wiring from a fire alarm control unit to the PAD-3 board. Use the control panel’s EOL resistor installed as shown to enable notification input supervision.

  • Page 18: Style Z (Class A) Input/Output Nac Wiring

    Style Z (Class A) Supervised Input Circuits The configuration shown in Figure 2-9 shows Style Z (Class A) supervised wiring from a fire alarm control unit to the PAD-3 board. Pay close attention to the polarities when wiring the unit and follow these requirements: When wiring to terminal 2 and 5 on TB2, you must use two separate wires.

  • Page 19: Auxiliary Power Supply Output

    2.5.6 Common Trouble Relay The PAD-3 board has a Form C trouble relay built into terminals 9-11 of TB2. The trouble relay will de- energize under a trouble condition. A typical application of the trouble relay is to connect the PAD-3 normally closed (N.C.) contacts in series with an EOL of a spare IDC or NAC or monitor input from a fire alarm control unit.

  • Page 20: Ac Fail Relay

    The ground fault reference for the PAD-3 may be different than the reference used by the fire alarm panel, resulting in a ground fault trouble at the panel even when none exists. To remedy this condition, the PAD-3 can have its ground fault detection circuit disabled.

  • Page 21: Connection To Control Units

    3. CONNECTION TO CONTROL UNITS The drawings in this section show you how to connect the PAD-3 to compatible Siemens control units. See control unit owners manual for more information. PAD - 3 Trouble Input 1 Input 2 AC Fail...
  • Page 22 PAD-3 Trouble Input 1 Input 2 AC Fail Relay 10 11 20 21 2.2K 1/2W EOL P/N 140-820380 Class B Supervised Notification Note: The CSM-4 allows up to 3 ohm max. total line resistance P/N 140-820405 Circuits for Notification Appliance Circuits.
  • Page 23 PAD-3 Trouble Input 1 Input 2 AC Fail Relay 10 11 20 21 10K 1/2W EOL P/N 140-820396 Class B Supervised Notification Note: 3 ohm max. total line resistance P/N 140-820405 Circuit of Notification Appliance Circuit 24K EOL connecting wire.
  • Page 24 PAD-3 Trouble Input 1 Input 2 AC Fail Relay 10 11 18 19 5.6K 1/2W EOL P/N 140-112166 Class B Supervised Notification Note: 3 ohm max. total line resistance P/N 140-820405 Circuits of Notification Appliance Circuit 24K EOL connecting wire.
  • Page 25 PAD-3 Trouble Input 1 Input 2 Relay AC Fail 10 11 20 21 5.6K 1/2W EOL P/N 140-112166 Class B Supervised AE-30U Notification P/N 140-820405 Circuit 24K EOL Note: 3 ohm max. total line resistance CP-35 of Notification Appliance Circuit connecting wire.
  • Page 26 PAD-3 Trouble Input 1 Input 2 AC Fail Relay 10 11 20 21 Supervised Notification Circuits Class A AA-30U 5.6K 1/2W EOL P/N 140-112166 Note: 3 ohm max. total line resistance of Notification Appliance Circuit CP-35 connecting wire. CP-35 Actuation input Input power Figure 3-6.
  • Page 27 PAD-3 Trouble Input 1 Input 2 AC Fail Relay 10 11 18 19 Class B Supervised 3.6K 1/4W EOL Notification P/N 140-820185 Circuits P/N 140-820405 24K EOL Loop Loop To earth ground TRI-B6R 3.6K 1/4W EOL P/N 140-820185 To earth ground...
  • Page 28 PAD-3 Trouble Input 1 Input 2 AC Fail Relay 10 11 20 21 3.6K 1/4W EOL Class B P/N 140-820185 Supervised Notification Circuits P/N 140-820405 24K EOL Loop Loop To earth ground TRI-B6R 3.6K, 1/4W EOL TRI-R P/N 140-820185, or...
  • Page 29 PAD-3 Trouble AC Fail Input 1 Input 2 Relay 10 11 12 13 14 EOL 24K ½W 5% P/N 140-820405 TB12 TB13 Figure 3-9. Connection to FS-250...
  • Page 30 NOTES: All wiring must be in accordance with Article 760 of NEC or local PAD-3 building codes. Wiring for each zone can either be Class A or Trouble Input 1 Input 2 AC Fail Relay Class B. 10 11 19 20 21 All output circuits are power limited to NFPA 70 per NEC 760.

  • Page 31: Sample Applications

    The drawings in this section show various configurations, including daisy-chaining. 4.1 Notification Appliance Power Applications 120 VAC Notification Appliance Circuit Fire Control PAD-3 Unit Input 1 1 2 3 4 Figure 4-1. Input 1 activates All Four Outputs and Input 2 not used 120 VAC...
  • Page 32 1 2 3 4 1 2 3 4 NOTE: Only the appliances connected to the same PAD-3 will operate synchronously when the output circuits of the PAD-3 are set to synchronization mode. The appliances connected to a different PAD-3 will not operate synchronously.
  • Page 33 120 VAC Notification Appliance Circuit Fire Control PAD-3 Unit Input 1 1 2 3 Output 4 120 VAC 120 VAC PAD-3 PAD-3 Input 1 Input 1 Output 4 1 2 3 1 2 3 4 Figure 4-5. One Control Panel activating three PAD-3s...
  • Page 34 #2 Activates NOTE: Only the appliances connected to the same PAD-3 will operate synchronously when the output circuits of the PAD-3 are set to synchronization mode. The appliances connected to a different PAD-3 will not operate synchronously. Figure 4-6. Each control signal circuit activates five output circuits...
  • Page 35 Circuit Zone Wires Single Wire Two Wires Trouble contacts monitored by FACP zone Incorrect Incorrect Correct PAD-3 PAD-3 PAD-3 1+ 1- 1+ 1- 1+ 1- EOL of Trouble Contact from FACP P/N 140-820405 24K EOL of NAC Circuit Figure 4-7. Multiple PAD-3s activated by a single notification circuit...

  • Page 36: Door Holder Applications

    4.2 Door Holder Applications In a typical door holder application, the door holder power must be released to close all fire doors under the following conditions: Any active alarm condition. AC power is no longer present (to conserve backup battery power). To close the fire doors in these situations, wire a normally closed relay contact from the fire alarm control unit in series with the auxiliary power to the door holders.

  • Page 37: Programming

    5. PROGRAMMING The PAD-3 functions are programmed with a 10-position DIP switch and six 3-position jumpers. The following section describes each setting. 5.1 DIP SWITCH SETTINGS The 10-position DIP switch allows you to select the following: • How long will the unit wait before indicating a loss of AC •...

  • Page 38: Selecting The Input/Output Configuration

    5.1.1 Selecting the Input/Output Configuration Figure 5-1 shows the position of each switch on the DIP switch for various input and output configurations. The position of switch 4 through 10 does not affect the relationship of inputs to outputs. Switch 1 OFF & Switch 2 OFF & Switch 3 OFF: Input 1 controls all outputs (Class B).

  • Page 39: Setting The Auxiliary Output

    Switch 4 on the DIP switch determines how the auxiliary power operates. The PAD-3 checks switch 4 only when powering up. If you change this switch, you must push switch SW2 momentarily to reset the unit to recognize the new switch setting.

  • Page 40: Setting The Input's Control Of Their Nacs

    5.1.3 Setting the Input’s Control of their NACs DIP switch settings 5 to 8 are designed to produce outputs from a constant on input. The figures shown below compare the output patterns of configurations before and after the addition of this feature. Slave Operation The Slave operation output follows the input and can be used when the fire alarm control unit NAC is steady, coded, march time, or temporal and the desired output is the same.

  • Page 41: Setting The Ac Power Fault Reporting Delay

    5.1.4 Setting the AC Power Fault Reporting Delay Normal selection for reporting loss of AC is 60 minutes. The OFF position is for test purposes only and the normal position for switch 9 is ON. For testing the Low AC reporting, you can temporarily turn switch 4 OFF without removing power. Remember to turn the switch ON when testing is complete.

  • Page 42: Jumper Settings

    5.2 JUMPER SETTINGS Factory settings are shown. See Figure 2-2 for the location of these jumpers. Note: Changing settings for J4-J8 also affect the settings for SW1 DIP switches 1-3. J4 – NAC 1-2 Configuration (J5 must be set the same) •...

  • Page 43: Reference Data

    6. REFERENCE DATA This section provides reference for the following topics: • Wire selection guides • Battery size calculations 6.1 WIRE SELECTION GUIDES 6.1.1 Resistance of Solid Copper Wire Ohms per Thousand Feet* 8.08 5.08 3.19 2.01 *NEC Chapter 9, Table 8.

  • Page 44: Battery Size Calculations

    14) Battery Amp-Hour Rating required (multiply line 12 times line 13) A.H. Up to two PAD-3 boards can be connected to a common battery set. When calculating for 2 PAD-3 boards Both boards must be mounted on System 3 rails in the same enclosure.

  • Page 45: Compatible Devices

    See Siemens P/N 315-096363 for compatible notification appliances. 8. TROUBLESHOOTING This section describes the LED states and provides possible trouble conditions of the PAD-3. 8.1 LED INDICATORS Light-emitting diodes (LEDs) indicate fault and normal conditions. The seven LEDs indicate a fault condition in one of the circuits (either outputs 1 through 4, auxiliary power, ground fault, or battery).

  • Page 46: Trouble Conditions

    One or more external field connections shorted to earth ground (Less than 40K ohms). Note: When the PAD-3 power is referenced to the control unit power; the ground detection circuit may be disabled with jumper J9. AUX. P.S. LED (DS5) lit.

  • Page 47: Fuse Replacement

    8.4 FUSE REPLACEMENT FUSE DESCRIPTION 5A 250V 3AG Axial Lead Fuse 5A RUE 500 Resettable Fuse 9A RUE 900 Resettable Fuse...

  • Page 48: Battery Maintenance

    9. BATTERY MAINTENANCE Perform the following tests at the recommended interval. Replace the battery set every four years or if any of the test criteria are not met. Initiation / Reacceptance Charger Test—With the batteries fully charged and connected to the charger, measure the voltage across the battery set.

  • Page 49: Glossary

    10. GLOSSARY Alarm Signal. A signal that indicates the presence of an emergency requiring immediate action, such as an alarm for fire from a manual station, a waterflow alarm, or a automatic smoke detector. Alarm System. A combination of compatible initiating devices, control units, and notification appliances designed and installed to produce an alarm signal in the event of a fire.
  • Page 52 Siemens Building Technologies, Inc. Siemens Building Technologies, Ltd. 8 Fernwood Road 2 Kenview Boulevard Florham Park, New Jersey 07932 Brampton, Ontario L6T 5E4 Canada P/N 315-099082-9...

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