Cooper Wheelock Series SPB Installation, Testing, Operation And Maintenance Manual
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Cooper Wheelock Series SPB Installation, Testing, Operation And Maintenance Manual

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Part Number P84748
Assembly Number A84749
Copyright 2006 Printed in U.S.A. All rights reserved.
Installation, Testing,
Operation, and
Maintenance
Manual
Revision C
Revision A
Series SPB
Audio Boosters

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Summary of Contents for Cooper Wheelock Series SPB

  • Page 1 Series SPB Audio Boosters Installation, Testing, Operation, and Maintenance Manual Part Number P84748 Revision C Assembly Number A84749 Revision A Copyright 2006 Printed in U.S.A. All rights reserved.
  • Page 2 Incident Management and Notification, Multi-Function Communications, and Mass Notification. For more information, contact: Cooper Wheelock, Inc. 273 Branchport Avenue Long Branch, NJ 07740-6899 Telephone: (800) 631.2148 Fax: (732) 222.2588 Web Site: www.cooperwheelock.com E-Mail: info@cooperwheelock.com Series SPB Audio Boosters Manual, Revision A...

  • Page 3: Table Of Contents

    4.3.4 Four-Wire Audio Mode with AC Loss Trouble Reporting on AC TRB Contacts......................4-19 Wiring the Panel ..................4-20 4.4.1 Wiring Guidelines................4-20 4.4.2 Field Wiring Connections ..............4-20 4.4.3 Visual Notification Appliance Output Wiring (SPB-80/4 only)..4-20 Series SPB Audio Boosters Manual, Revision A...
  • Page 4 8.2.5 Procedure E ..................8-6 8.2.6 Procedure F ..................8-7 8.2.7 Procedure G ..................8-7 8.2.8 Procedure H ..................8-7 8.2.9 Procedure I ..................8-7 8.2.10 Procedure J..................8-8 8.2.11 Procedure K (SPB-160 Only) ............8-8 Series SPB Audio Boosters Manual, Revision A...
  • Page 5 9.3.4 Outputs....................9-2 Wiring Connections ..................9-3 9.4.1 End of Line Resistor (1/2W EOLR) ..........9-3 Chapter: 10 Warranty 10-1 10.1 Limited Warranty..................10-1 10.2 Limitation of Liability.................. 10-2 Chapter: 11 Battery Calculation Worksheet 11-1 Series SPB Audio Boosters Manual, Revision A...
  • Page 6 This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A...
  • Page 7 Figure 4-26 Battery Configuration and Wiring (SPB-320 only) ..........4-35 Figure 4-27 Proper Wiring for SPB-320 with and without SPLITTERS........4-36 Figure 8-1 SPB-80/4 LED Locations ................... 8-3 Figure 8-2 SPB-160 and SPB-320 LED Locations ..............8-4 Series SPB Audio Boosters Manual, Revision A...
  • Page 8 This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A viii...
  • Page 9 List of Tables Table 4-1. Series SPB Wiring Modes................... 4-2 Table 4-2. Terminal Block Connection Definitions ..............4-10 Table 4-3. Jumper/Switch/Variable Resistor Functions ............. 4-30 Table 8-1. Trouble LED Procedure Cross Reference..............8-2 Series SPB Audio Boosters Manual, Revision A...
  • Page 10 This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A...

  • Page 11: Chapter: 1 Foreword

    Cooper Wheelock will not have any liability for such use.
  • Page 12 CAUTIONS: indicate a situation in which the equipment could be damaged or a situation in which not following the instructions correctly could result in the equipment not working properly. Cautions are set off with a stop sign symbol. Series SPB Audio Boosters Manual, Revision A...

  • Page 13: Chapter: 2 Safety Precautions

    2. Keep this manual with the Series SPB Audio Booster panel for reference during the life of the system. Make this manual available to all qualified personnel who operate, test, maintain, or service Series SPB Audio Booster products.

  • Page 14: Expected Equipment Lifecycle

    2.2.2 Periodic Testing 1. Cooper Wheelock recommends testing of the entire protective signaling system, including the Series SPB Audio Booster panel, all notification equipment, as well as all messages and their output channel, and priority assignment, at least twice each year, or more often as required by local, state and federal codes, regulations and laws, by qualified personnel.

  • Page 15: Compliance With Applicable Codes, Regulations, Laws, Standards, And Guidelines

    Comply with all of the latest applicable codes, regulations, laws, standards, and guidelines. WARNING: Ensure that for emergency, life safety applications using the Series SPB Audio Booster, installation, testing and maintenance is always performed by qualified personnel in accordance with all the latest National Fire Protection Association (NFPA), Underwriter’s Laboratory (UL), National Electric Code...

  • Page 16: Rf Interference

    2.6 RF Interference The Series SPB Audio Booster panel has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 17: Chapter: 3 Overview

    3 Overview The Series SPB Audio Boosters provide added power for speakers and strobes when the existing power supply’s capacity is not sufficient. The SPB-80/4 has one 80-watt audio output and two 2-amp strobe outputs for a total of 4 amps of strobe power at 27 volts of DC power.

  • Page 18: Standard Features

    Audio NAC circuit wiring open and short conditions Ground Fault detection Strobe NAC circuit wiring open and short conditions Amplifier operation Input voltage/low battery Trouble Reporting Form C relay trouble contacts for external notification. Series SPB Audio Boosters Manual, Revision A...

  • Page 19: Figure 3-1 Spb-80/4Audio Booster Panel, Basic Capabilities

    Operation of Amplifier Splitter Power when operating on Battery Only. 8-33VDC Trouble Form C Relay or Contact closure, Rated at 24VDC at 2A 120 VAC Figure 3-2 SPB-160 Audio Booster Panel, Basic Capabilities Series SPB Audio Boosters Manual, Revision A...

  • Page 20: Figure 3-3 Spb-320 Audio Booster Panel, Basic Capabilities

    24VDC at 0.5A, Unsupervised, Non-Power Limited Trouble Form "C" Relay Rated at 24VDC at 2A 120 VAC Figure 3-3 SPB-320 Audio Booster Panel, Basic Capabilities BATTERY BATTERY Figure 3-4 SPB-80/4 Audio Booster Panel Series SPB Audio Boosters Manual, Revision A...

  • Page 21: Figure 3-5 Spb-160 Audio Booster Panel

    Chapter 3: Overview BATTERY BATTERY Figure 3-5 SPB-160 Audio Booster Panel BATTERY BATTERY BATTERY BATTERY Figure 3-6 SPB-320 Audio Booster Panel Series SPB Audio Boosters Manual, Revision A...
  • Page 22 Chapter 3: Overview This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A...

  • Page 23: Chapter: 4 Installation

    Remember the lives of people depend upon the safe and proper installation of the voice evacuation system and the Series SPB Audio Booster Panel. Please read, understand, and follow the specific installation instructions set forth in this chapter carefully to avoid damage to the panel and equipment connected to it.

  • Page 24: General Installation Instructions

    1. Check the exterior of the shipping container(s) for any exterior damage, then the interior of the container(s). 2. Notify both the carrier and Cooper Wheelock immediately on the straight bill of lading (supplied by the carrier) if any damage is found both verbally and in writing; you may also request an inspection by the carrier.
  • Page 25 Audio Output Connections Strobe Connections Expansion Output (NAC only)
  • Page 26 Audio Output Connections Expansion Output (NAC only)
  • Page 27 AUX IN or Strobe In. Reverse polarity Supervised using a UL Listed 10K Ohm 1/2W 1/2W EOLR. DC OUT DC Output 27VDC at 0.5A, non-power limited used for splitter power only. Trouble Reporting Provides trouble reporting when not connected to SP40S. Series SPB Audio Boosters Manual, Revision A...

  • Page 28: Mounting The Audio Booster

    4.2.3 Installing Field Wiring Connections NOTE: The terminal blocks on the Series SPB Audio Booster are removable. To remove a terminal block, pull the block straight up from the circuit board, as shown in the figure below.

  • Page 29: Figure 4-4 Power Limited And Non-Power Limited Wiring

    CAUTION: Provide proper strain relief for all wiring not in conduit. NOTE: Shielded wire is not required on any circuit. If shielded wire is used, connect the shields to the ground terminal strip. Series SPB Audio Boosters Manual, Revision A...

  • Page 30: Installing Audio And Auxiliary Input Connections

    1/2W 1/2W EOLR. The auxiliary input circuit is used to trigger the Series SPB Audio Booster to return to full power from a reduced power mode when operating on the backup battery supply. The input can be selected to be a power-limited, 8-33VDC NAC circuit or a contact closure.

  • Page 31: Installing Strobe Input Connections (Spb-80/4)

    The input uses reverse polarity for supervision. The strobe return (STB RET) can be used to link other Series SPB Audio booster strobe NAC circuits to the host voice evacuation panel, additional strobes powered by the host panel, or connecting the host panels 1/2W EOLR.

  • Page 32: Figure 4-7 Audio And Strobe Output Connections (Spb-80/4)

    Figure 4-12 shows the audio and strobe output connections as they are on the SPB-80/4. Notice that there are two strobe outputs. Audio and Strobe Out Figure 4-7 Audio and Strobe Output Connections (SPB-80/4) Series SPB Audio Boosters Manual, Revision A 4-10...

  • Page 33: Installing Expansion Output And Trouble Contact Connections

    Audio Booster audio output is operating. This allows additional Series SPB Audio Boosters to be connected by having the EXP OUT connect to the AUX IN of the next Audio Booster. The strobe input circuit on an SPB-80/4 does not cause the expansion output to energize.

  • Page 34: Installing Power And Battery Connections

    Figure 4-23 for both the SPB-160 and the SPB-80/4. 4.2.8 Installing Power and Battery Connections Wiring to the DC IN is factory installed from the Power Supply Module (SPB). Series SPB Audio Boosters Manual, Revision A 4-12...

  • Page 35: Figure 4-10 Power And Battery Connections

    The SPB Audio Boosters are UL approved for 24VDC at a maximum of 33Ah. The enclosure can accommodate up to 12Ah. Larger batteries may necessitate a separate battery box. 3. Perform the System Checkout Procedure as described in Section 4.6. Series SPB Audio Boosters Manual, Revision A 4-13...

  • Page 36: Two-Wire Audio And Four-Wire Audio Modes

    4.3 Two-Wire Audio and Four-Wire Audio Modes The Series SPB Audio Booster can be connected to the SP40S in four different modes. Refer to Table 4-1 for a description of these modes.
  • Page 37 SP40S. operations. * Note: One of these modes may be required by Underwriters Laboratories when system troubles need to be transmitted to an off-site location. Series SPB Audio Boosters Manual, Revision A 4-15...

  • Page 38: Two-Wire Audio Mode With Ac Loss Reported On Main Trouble Contacts

    Chapter 4: Installation 4.3.1 Two-Wire Audio Mode with AC Loss Reported on Main Trouble Contacts Figure 4-11 Two-Wire Audio Mode with AC Loss Reported on Main Trouble Contacts Series SPB Audio Boosters Manual, Revision A 4-16...

  • Page 39: Four-Wire Audio Mode With Ac Loss Trouble Reported On Main Trouble Contacts

    Chapter 4: Installation 4.3.2 Four-Wire Audio Mode with AC Loss Trouble Reported on Main Trouble Contacts REMOVED Figure 4-12 Four-Wire Audio Mode with AC Loss Reported on Main Trouble Contacts Series SPB Audio Boosters Manual, Revision A 4-17...

  • Page 40: Two-Wire Mode With Ac Loss Reported On Ac Trb Contacts

    Chapter 4: Installation 4.3.3 Two-Wire Mode with AC Loss Reported on AC TRB Contacts Figure 4-13 Two-Wire Audio Mode with AC Loss Reported on AC TRB Contacts Series SPB Audio Boosters Manual, Revision A 4-18...

  • Page 41: Four-Wire Audio Mode With Ac Loss Trouble Reporting On Ac Trb Contacts

    Chapter 4: Installation 4.3.4 Four-Wire Audio Mode with AC Loss Trouble Reporting on AC TRB Contacts Figure 4-14 Four-Wire Audio Mode with AC Loss Trouble Reporting on AC TRB Contacts Series SPB Audio Boosters Manual, Revision A 4-19...

  • Page 42: Wiring The Panel

    CONTACTS with 8VDC to 33VDC inputs to a power-limited source. AC, BATTERY and DC OUT are non-power limited circuit. WARNING: Route all Series SPB Audio Booster audio wiring away from any high voltage or high current wiring (such as AC or DC power wiring, audio power wiring, and motor or relay actuation wiring).

  • Page 43: Speaker Notification Appliance Output Wiring

    END OF LINE RESISTOR Figure 4-16 Wiring Diagram for Combination Audio/ Visual Notification Appliances (SPB-80/4 Only) CAUTION: Do not loop wire under terminals. Break wire run to provide supervision of the connection. Series SPB Audio Boosters Manual, Revision A 4-21...

  • Page 44: Trouble Output Contact Wiring

    Audio Booster PC Board. 1. Connect the AC input power to the Line (L) and Neutral (N) terminals on the Power Supply PC Board (SPBPS) as shown in the figure immediately below. Series SPB Audio Boosters Manual, Revision A 4-22...

  • Page 45: Figure 4-19 Input Power Connection Location, Spb Power Supply

    Line (L) and Neutral (N) terminals on the Power Supply Motherboard is factory connected from the Terminal block. Connect the AC input power to the Line (L) and Neutral (N) terminals on the Terminal block as shown in the figure below. Series SPB Audio Boosters Manual, Revision A 4-23...

  • Page 46: Figure 4-20 Input Power Connection Location On The Spb Power Supply (Spb-320 Only)

    1. Connect each set of two batteries BATTERY terminals on each SPB-160 Audio Booster PC Board as shown in Figure 4-22. 2. Connect the RED fused wire to the (+) positive terminal. Series SPB Audio Boosters Manual, Revision A 4-24...

  • Page 47: Mounting The Panel

    This contamination can interfere with the operation and reduce the life of the equipment. 4. Open the door and mount the Series SPB Audio Booster panel at the selected location. Use care to avoid damage to the module during installation. Do not apply excessive pressure to the PC board or its components, including field wiring terminals and connectors.

  • Page 48: Figure 4-22 Spb-80/4 And Spb-160 Audio Booster Panel Mounting And Grounding Location

    Chapter 4: Installation 3/4"-1" Conduit Knockout (20 Places) GROUNDING TERMINAL BLOCK 14" 17" Figure 4-22 SPB-80/4 and SPB-160 Audio Booster Panel Mounting and Grounding Location Series SPB Audio Boosters Manual, Revision A 4-26...

  • Page 49: Figure 4-23 Spb-320 Audio Booster Panel

    Chapter 4: Installation 3/4"-1" Conduit Knockout (14 Places) 1 1/4"-1 1/2" Conduit Knockout (4 Places) GROUNDING TERMINAL BLOCK 16" 33" 3.5" Figure 4-23 SPB-320 Audio Booster Panel Series SPB Audio Boosters Manual, Revision A 4-27...

  • Page 50: Performing System Checkout

    Figures 4-25 and 4-26 show the location of the different jumpers and switches used to configure the Series SPB Audio Boosters. Table 4-3 identifies and explains the functions of the different jumpers and switches. The following procedures are basic setup for the various panels.

  • Page 51: Figure 4-25 Jumper/Switch Locations On Spb-160 And Spb-320

    J4 - Audio Input Trouble Reporting Setting 1, 25, or 70V Main Trouble Contact or AC Loss Contact JP8 - AUX IN Internal EOLR Figure 4-25 Jumper/Switch Locations on SPB-160 and SPB-320 Series SPB Audio Boosters Manual, Revision A 4-29...
  • Page 52 Selects auxiliary input type 8-33VDC NAC or Contact Closure (CC). Switch depressed to the top for CC. Not Used Not Used Variable Resistors Name Description R64 (LVL) Audio Input Volume Control Adjusts audio input volume. Series SPB Audio Boosters Manual, Revision A 4-30...

  • Page 53: Checkout Procedure

    Ground fault detection sensitivity is 600K Ohms for Class B, Style Y connections. NOTE: The Ground Fault LED D34 may flicker while STB-IN is operated in Cooper Wheelock Pass-Through Mode (JP5 removed). This DOES NOT indicate the presence of an actual Ground Fault Trouble.

  • Page 54: Battery Care And Backup Battery Calculations

    20 degrees C (68 degrees F). The self-discharge rate varies depending upon temperature. Cooler temperatures cause the self-discharge rate to decrease. Warmer temperatures cause the self-discharge rate to increase. Series SPB Audio Boosters Manual, Revision A 4-32...

  • Page 55: Calculating Backup Battery Requirements

    A Worksheet for assisting in calculating batteries is available in Chapter 11. Due to the current drain on the battery, the maximum battery size for the Series SPB Audio Booster SPB-80/4 and SPB-160 is 33Ah. For the SPB-320, each SPB-160 has its own backup batteries.

  • Page 56: Installing Ac Power And Batteries

    CAUTION: Always apply AC voltage before applying batteries voltage. Failure to do so may cause damage to the Series SPB Audio Booster panel. 4.9.1 Installing AC Power NOTE: Power limited and non-power limited wiring must be separated by a minimum of ¼”.

  • Page 57: Figure 4-26 Battery Configuration And Wiring (Spb-320 Only)

    JUMPER - BATTERY TERMINAL + BATTERY TERMINAL ON SPB-160 #1 ON SPB-160 #2 RED FUSED WIRE Battery #4 Battery #1 Battery #2 Battery #3 Figure 4-26 Battery Configuration and Wiring (SPB-320 only) Series SPB Audio Boosters Manual, Revision A 4-35...

  • Page 58: Figure 4-27 Proper Wiring For Spb-320 With And Without Splitters

    PLACE WIRE RUN AT LEAST 1/4" ABOVE THE TOP OF THE CIRCUIT BOARD. 24VDC IS NON-POWER LIMITED. PLACE WIRE RUN UNDER SPLITTER CIRCUIT BOARD. Figure 4-27 Proper Wiring for SPB-320 with and without SPLITTERS Series SPB Audio Boosters Manual, Revision A 4-36...
  • Page 59 BLACK battery wire to the (–) terminal of TB2 (BATTERY) connection on SPB-160 Module #2 and run the wire as shown in Figure 4-28. Attach the fused RED wire to the positive terminal of battery #1. Do not attach the BLACK or negative wire. Series SPB Audio Boosters Manual, Revision A 4-37...
  • Page 60 Chapter 4: Installation This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A 4-38...

  • Page 61: Chapter: 5 Operation

    5 Operation 5.1 Introduction This chapter describes the operating characteristics of the Series SPB Audio Booster Panel. Included is information about the following panel features: Supervision Audio Notification Appliance Output Circuit Supervision Amplifier Supervision Actions that Initiate Alarms 5.2 Supervision A TROUBLE LED indicates that the supervisory functions have detected a malfunction in the panel.

  • Page 62: Audio Notification Appliance Output Circuit Supervision

    A 1V, 25V, or 70.7V input from a voice evacuation panel initiates the voice output. On the SPB- 80/4, a selection of either a 8-33 VDC NAC input or a contact closure connected to the strobe input activates the two 24VDC, 2A strobe output circuits. Series SPB Audio Boosters Manual, Revision A...

  • Page 63: Chapter: 6 Operational Procedures

    6 Operational Procedures The Series SPB Audio Boosters do not have specific operating instructions. When the Audio Booster is properly connected to the voice evacuation panel, it automatically functions properly unless there is a trouble condition. Under normal operation, the green AC LED indicator (D11) is ON, and the yellow TROUBLE LED indicator (D73) is OFF.
  • Page 64 Chapter 6: Operational Procedures This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A...

  • Page 65: Chapter: 7 Periodic Testing And Maintenance

    2. If the service representative is not available, contact the manufacturer. 3. Replace any malfunctioning modules in the panel immediately. Do not attempt to repair them. 4. Return any malfunctioning modules to the manufacturer for repair or replacement. Series SPB Audio Boosters Manual, Revision A...

  • Page 66: Qualified Personnel

    Failure to provide alternative signaling may cause people to not be warned of an emergency condition which could result in serious injury or death to you and/or others. Series SPB Audio Boosters Manual, Revision A...

  • Page 67: Chapter: 8 Troubleshooting

    AC and TROUBLE LED indicators and the Trouble Form “C” relay contacts on the Series SPB Audio Booster. If a trouble condition is detected, the voice evacuation panel indicates a “short” condition on the audio or visual output circuit.
  • Page 68 Chapter 8: Troubleshooting When there are no trouble conditions detected on the Series SPB Audio Booster, the AC LED and DC LED indicator always remains ON and the TROUBLE LED indicator always remains OFF. When a trouble condition is detected, the AC LED indicator remains ON and the TROUBLE LED indicator always remains ON.
  • Page 69 D30 - D51 - D16 - D25 - F1 - Fuse 200mA 250V AUD1 Open AC Trouble Charge Trouble AUD1 Short F2, F3 - Fuse 15A 125V D11 - AC Power D15 - DC Power D27 - AUD1 Limit D53 - STB1 Open D49 - Battery Trouble D57 - STB2 Out...
  • Page 70 D21 - D51 - D16 - D18 - F1 - Fuse 200mA 250V AUD2 Short AC Trouble Charge Trouble AUD2 Open F2, F3 - Fuse 15A 125V D11 - AC Power D19 - AUD2 Limit D15 - DC Power D27 - AUD1 Limit D49 - Battery Trouble D25 - AUD1 Short...

  • Page 71: Procedure A

    4. Check for 24VDC at ± BATTERY connection at TB2 on the mother board. If the voltage is below 20.4 VDC, battery-charging section of the motherboard is inoperable. Replace the motherboard (SPB-160 / SPB-80/4). Series SPB Audio Boosters Manual, Revision A...

  • Page 72: Procedure C

    Missing jumpers on J1 or J1A on the SPB-160 or J1B on the SPB-80/4. Defective amplifier Amplifier Supervision tone missing Perform the following: Check jumpers J1, J1A, and J1B. Replace the Audio Booster mother board. Series SPB Audio Boosters Manual, Revision A...

  • Page 73: Procedure F

    LED is “ON,” the supervision circuit is unable to read the 1/2W EOLR: This can be caused by: Audio appliance connected is shorted. Shorted connection on the AUD1 OUT circuit. Circuit installed improperly. Perform the following: Series SPB Audio Boosters Manual, Revision A...

  • Page 74: Procedure J

    1. Check that 1/2W EOLR is in place and is UL Listed 10K Ohm, 1/2W EOLR. 2. Check the wiring to AUD2 OUT terminals and insure there is no open circuit. 3. Troubleshoot the audio circuit for incorrect wiring. Series SPB Audio Boosters Manual, Revision A...

  • Page 75: Procedure M (Spb-80/4 Only)

    LED is “ON,” the supervision circuit is unable to read the 1/2W EOLR: This can be caused by: Missing or improper EOLR Open or loose wiring on the STB1 OUT terminals. Open STB1 OUT appliance circuit. Perform the following: Series SPB Audio Boosters Manual, Revision A...
  • Page 76 1. Check that the 1/2W EOLR is in place is UL Listed 10k Ohm ½ EOLR. 2. Check the wiring to STB1 OUT terminals and make sure that there’s no open circuit. 3. Troubleshoot the strobe circuit for incorrect wiring. Series SPB Audio Boosters Manual, Revision A 8-10...
  • Page 77 Chapter 8: Troubleshooting This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A 8-11...

  • Page 79: Chapter: 9 Technical Data

    0 to 49 °C (32 to 120 ° F) Storage Temperature -20 to 70 °C (-4 to 158 ° F) Humidity, Non-condensing 93 ± 5% at 30 ± 2 ° C (86 ± 4 ° F) Series SPB Audio Boosters Manual, Revision A...

  • Page 80: Electrical

    24VDC, Up to 33Ah 24VDC, Up to 33Ah 9.3.2 Battery Current Calculations The current draw of the Series SPB Audio Booster is determined by the configuration being utilized. Section 4.8, Battery Care and Batteries Calculation, will assist you in developing the current requirements.

  • Page 81: Wiring Connections

    9.4.1 End of Line Resistor (1/2W EOLR) Parameter Description Visual Notification Appliance Outputs UL Listed 10K Ohm, 1/2W EOLR (SPB-80/4 and SPB-160 only) Audio Notification Appliance Outputs UL Listed 10K Ohm, 1/2W EOLR Series SPB Audio Boosters Manual, Revision A...
  • Page 82 Chapter 10: Module Descriptions This page is left blank intentionally. Series SPB Audio Boosters Manual, Revision A...

  • Page 83: Warranty

    The liability of Cooper Wheelock arising out of the supplying of a product, or its use, whether on warranties, negligence, or otherwise, shall not in any case exceed the cost of correcting defects as stated in the limited warranty and upon expiration of the warranty period all such liability shall terminate.

  • Page 84: Limitation Of Liability

    Cooper Wheelock. In no event shall Cooper Wheelock be liable for any claim of any kind unless it is proven that our product was a direct cause of such claim. Further, in no event, including in the case of a claim of negligence, shall Cooper Wheelock be liable for incidental or consequential damages.

  • Page 85: Battery Calculation Worksheet

    11 Battery Calculation Worksheet Series SPB Audio Boosters Manual, Revision A 11-1...
  • Page 86 Note 2: The SPB-80/160 can charge up to 0.500 amps per hour Note 3: The SPB-320 is comprised of 2 SPB-160's in the same enclosure Calculate each independently using the SPB-160 calculation entry Series SPB Audio Boosters Manual, Revision A 11-2...

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