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LaserSense Nano
Aspirating Smoke Detector
Installers Handbook
P/N 9-14564 (EN) • REV 02 • ISS 11ABR13

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Table of Contents
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Summary of Contents for Edwards LaserSense Nano

  • Page 1 LaserSense Nano Aspirating Smoke Detector Installers Handbook P/N 9-14564 (EN) • REV 02 • ISS 11ABR13...
  • Page 2 © 2013 UTC Fire & Security. All rights reserved. Copyright Kidde Products Limited Manufacturer Unit 2, Blair Way, Dawdon Seaham, County Durham SR7 7PP United Kingdom Certification 0832 0832-CPD-1312 EN 54-20: 2006 Aspirating smoke detectors for fire detection and fire alarm systems for buildings.
  • Page 3: Table Of Contents

    Introduction 38   Scheduled maintenance 38   Maintenance procedures 39   Appendix A Communications card and APIC 43   Optional communications card 44   Optional APIC 47   Glossary 49   Index 51   LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 4: Important Information

    While every precaution has been taken during the preparation of this manual to ensure the accuracy of its contents, UTCFS assumes no responsibility for errors or omissions. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 5: Advisory Messages

    This symbol indicates the Safety ground studs. These are for grounding cable screens, etc., and should not be connected to 0V or signal earth. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 6: En 54-20 Compliance

    If it has changed for any reason, the new figure must be re-entered into PipeCAD and the recalculated hole sensitivities must be confirmed to be within the class limits shown above. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 7: Product And Component Descriptions

    This chapter provides descriptions of the detector features, specifications, and controls and indicators. Content Introduction 2   Available software for the detector 2   Specifications 3   Indicators 4   Inside the detector 5   LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 8: Introduction

    • SenseNET software: large network of detectors with a simple, streamlined graphical user interface from a computer connected to a detector or command module via an RS-232 serial cable to RS-485 converter interface. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 9: Specifications

    2 (sampling and exhaust pipes) Alarm / fault relays Pre-Alarm / Alarm / Fault Relay contact rating (changeover) 1 A at 24 VDC (resistive load) Programming Internal DIP switches PC interrogation Via optional communications card APIC compatible LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 10: Indicators

    “process errors.” (8) Front cover securing screw: Leave sufficient clearance below the detector to allow screwdriver access to this screw. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 11: Inside The Detector

    (7) DIP switch: Used to configure user-selectable detector functions. (8) Input switch terminals (9) Ribbon cable connection for optional communication card or APIC card (10) Optional communication terminals: used when the optional communication card is fitted to connect the RS-485 network LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 12 (15) Three mounting holes to mount the detector. Use #10-24 pan-head screws for mounting. Note: Ensure that the detector is fixed to a flat surface so that the enclosure will not twist and become damaged. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 13: Installation And Configuration

    Installation 16   Installation guidelines 16   Removing the front cover 17   Mechanical installation 17   Electrical installation 19   Configuration 23   Final installation 25   Removing the detector 25   LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 14: Introduction

    • Avoid placing sensitive devices onto plastic or vinyl surfaces. • Minimize the handling of sensitive devices and printed circuit boards (PCBs). LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 15: System Design

    (for example, across the return air register of an air conditioning unit). There is no substitute for carrying out smoke tests prior to installation of Note: pipework to indicate suitable sampling point location. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 16: Sample Pipe Networks

    Figure 3: Air handling unit in vicinity of the Nano detector (exhaust pipes not shown for clarity) (1) Incorrect (6) Detector (2) Detector (7) AHU (3) Sampling pipe (8) Equipment cabinet (4) Standoff posts (9) Direction of smoke (5) Correct LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 17: Below Or Above The Ceiling Installations

    See Figure 4 below and Figure 5 on page 12. Figure 4: Installation of pipework above ceiling with exposed detector (piped exhaust) (1) Sampling pipe (4) Detector (2) Sampling hole (5) False ceiling (3) Exhaust pipe LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 18 Chapter 2: Installation and configuration Figure 5: Installation with detector mounted in ceiling void (no exhaust piping) (1) Sampling pipe (3) Detector (2) Sampling hole (4) False ceiling LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 19: Return Air Duct Sampling Method

    Only one duct can be monitored per detector. • If the air sampling pipe system and aspirating detector is used as the primary smoke detection system, methods should be employed to notify stoppage of airflow in the ducts. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 20 • Whenever possible, locate sampling pipe upstream of air humidifiers and downstream of dehumidifiers. Deviation from these recommended guidelines may reduce the Note: performance of your air sampling pipe system and detector. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 21: Return Air Grill Sampling Method

    Figure 7: Return air grill sampling method (1) Air flow (4) Standoff post (2) Self tapping screws (5) Sampling holes (3) Return air grill LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 22: Installation

    (such as radio alarms) or units generating high levels of electrical energy (such as large electric motors or generators). Table 3 on page 17 contains a list of procedural guidelines for installation of the Nano detector. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 23: Removing The Front Cover

    Ensure that the sampling and exhaust pipes are securely seated in the pipe ports before securing. If using a piped exhaust connection, be sure that the sampling and exhaust pipe are fitted into the relevant port as shown in Figure 8 on page 18. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 24 Even if the protected area and detector are at the same atmospheric pressure, it is a good practice to fit a pipe stub with a bend to the exhaust to prevent debris from falling into the detector. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 25: Electrical Installation

    Use screened cable with screen connected to the detector EARTH terminal. (2) Volt-free relay contacts rated at 1A maximum at 24 VDC All relay diagrams are shown in their contact states with the detector powered up and operating normally. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 26 UL Listed power supply, designed for fire system use. To connect the power supply: 1. Remove the Nano detector front cover, and then locate the power supply terminal block. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 27 If power supply monitoring and ClassiFire override are not required, fit a wire link across the two terminals to prevent a fault condition on power-up. Make all connections shown in Figure 11 on page 22. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 28 (10) Short to reduce sensitivity by 50% (DIP switch 7 set to ON) (11) Input (12) FAULT (13) PRE-ALARM (14) EOL resistor must be placed at last daisy chained detector (15) ALARM (16) Earth LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 29: Configuration

    Flow limit offset ±40 ±20 ±5 ±3 Flow delay 240 seconds 30 seconds Input select PSU Fault ClassiFire Override Auto calibration Enable Disable The settings in bold text are the factory default settings. Note: LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 30 Fit a wire link if you do not require power supply monitoring. If you fit a wire link across the INPUT terminals, you must set this Caution: switch OFF, or else the detector sensitivity is dramatically and permanently reduced by the ClassiFire override function. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 31: Final Installation

    The detector is designed solely for operation with the front cover securely Note: fitted using the cover mounting screw. Removing the detector Removing the detector is the reverse of the installation process, disconnecting the pipework and wiring connections installed in the unit. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 32 Chapter 2: Installation and configuration LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 33: Commissioning

    This chapter provides information to commission the detection system. Content Introduction 28   Precommissioning preparation 28   Commissioning checklist 28   Acclimation period 29   Transport time verification 29   Gross smoke test 29   Wire burner tests 30   LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 34: Introduction

    2. Disconnect the detector from the fire control unit, if applicable. 3. Power up the detector and wait for the 15 minute FastLearn cycle to finish. The OK LED will be steadily lit when complete. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 35: Acclimation Period

    This test should be repeated at least three times with consistent results. The recommended smoke generating medium is canned smoke or a wire burner. Smoke from a punk or cotton wick is also acceptable. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 36: Wire Burner Tests

    Be sure to keep a safe distance away while voltage is being applied. A wire burner/canned smoke test could activate spot-type detectors. Caution: This test may be undertaken in underfloor spaces or ceiling voids where rapid airflow may render Test 1 unsuitable. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 37 The wire cross-section should be American Wire Gauge (AWG) 10 with Note: the following diameter and area: Diameter = 2.59 mm or 0.10189 in. Cross-section area = 5.0 mm² or 0.00775 in.² LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 38 Chapter 3: Commissioning LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 39: Troubleshooting

    Chapter 4 Troubleshooting Summary This chapter provides information to troubleshoot the detection system. Content Troubleshooting the detector 34   LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 40: Troubleshooting The Detector

    ClassiFire system is designed to automatically compensate for this in order to reduce the likelihood of nuisance alarms due to normal variations in background smoke density. Within limits set by the ClassiFire alarm factor, this is a normal part of the detector‘s operation. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 41 Open bore pipes are not recommended. Check that the high flow fault threshold is not set too low. In the case of intermittent fault indications, try increasing the flow fault delay time. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 42 Chapter 4: Troubleshooting LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 43: Maintenance

      Visual check 39   Gross smoke test 39   Transport time verification test 39   Detector sensitivity test 39   Cleaning the detector 40   Replacing the dust separator cartridge 40   LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 44: Introduction

    Isolate detector from fire panel if required Smoke test to check detector operation and Alarm relay connection Simulate a fault to check the Fault relay and connection Complete and file maintenance records Reconnect detector to fire panel if required LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 45: Maintenance Procedures

    If years one and three are OK, go to five-year interval. The detector employs a self-monitoring, automatically-adjusting calibration for the system. The inspection only requires a periodic visual inspection for a detector fault indication and performing the detector sensitivity test function. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 46: Cleaning The Detector

    6. Insert the replacement filter cartridge so that the “IN” mark on the cartridge is on the left as viewed in Figure 13 on page 41. 7. Slide the cartridge all the way into place. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 47 Chapter 5: Maintenance 8. Replace the detector cover and secure it into place. 9. Initiate a FastLearn routine by reenergizing the detector. Figure 13: Location of dust separator cartridge (1) Dust separator (filter) cartridge LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 48 Chapter 5: Maintenance LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 49: Appendix A Communications Card And Apic

    Appendix A Communications card and APIC Summary This appendix provides information about the communication card and the APIC. Content Optional communications card 44   Setting the detector address 45   Optional APIC 47   LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 50: Optional Communications Card

    Direct connection of a PC to the communications card is done using a 9-pin RS-232 interface on the communications card, using a null modem cable configuration, as shown in Figure 15 on page 45. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 51: Setting The Detector Address

    Figure 16 shows an example where the address equates to “01100011” in binary, (1 x 1) + (1 x 2) + (0 x 4) + (0 x 8) + (0x 16) + (1 x 32) + (1 x 64) + (0 x 128) = 99 LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 52 Table 7 for reference. Addresses chosen for detectors do not have to be consecutive or in a Note: given order as long as they are all different. Table 7: Address table Address LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 53: Optional Apic

    Once plugged in, the addressable signaling line circuit (SLC) in and out are connected to the main PCB addressable bus terminals and the address DIP switches are set to the SLC address. Refer to the APIC installation sheet for details. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 54 Some addressable protocols may limit the maximum number of device Note: addresses to less than 127. Some protocols may not support all of the available alarm levels, and fault reporting is usually a general fault with no detailed fault information. LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 55: Glossary

    Liquid crystal display Light emitting diode Materials and Equipment Acceptance Division of the City of New York Notification appliance circuit N.C. Normally closed National Electrical Code NFPA National Fire Protection Association N.O. Normally open LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 56 New York City Printed circuit board Pico farads Part number Power supply unit Random access memory Signaling line circuit Terminal block UL/ULI Underwriters Laboratories, Inc. Volts Volts AC Volts DC VRMS Volts root mean square LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 57: Index

    FastLearn, 25, 28, 41 Wiring diagram, 22 Fixed alarms, 24 Flow delay, 24 I  Indicators, 4 Input connection, 21 Input select, 24 Installation, 16 Electrical installation, 19 Installation guidelines, 16 Mechanical installation, 17 M  Maintenance, 39 LaserSense Nano Aspirating Smoke Detector Installers Handbook...
  • Page 58 Index LaserSense Nano Aspirating Smoke Detector Installers Handbook...

Table of Contents