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4120 NETWORK FIRE INDICATOR PANEL
2500 NETWORK DISPLAY UNIT
(NDU)
OPERATOR MANUAL (LT0290)
Document No.: 4100-M004
June 1997
Issue 1.0

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Summary of Contents for Simplex LT0290

  • Page 1 4120 NETWORK FIRE INDICATOR PANEL 2500 NETWORK DISPLAY UNIT (NDU) OPERATOR MANUAL (LT0290) Document No.: 4100-M004 June 1997 Issue 1.0...
  • Page 2 Page ii SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL GLOSSARY OF STANDARD TERMS The following abbreviations are used throughout this manual: ACF: Ancillary control facility. "Ackd": Display abbreviation for acknowledged condition. AVF: Alarm Verification Facility. ALM: Display abbreviation for alarm condition.
  • Page 3: Table Of Contents

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page iii OPERATOR MANUAL TABLE OF CONTENTS COMPATIBLE ACTUATING DEVICES ..............vii SIMPLEX RANGE:....................... vii HOCHIKI RANGE: ............vii ONVENTIONAL ETECTORS OLSEN RANGE: ............viii ONVENTIONAL ETECTORS APOLLO: ..............viii ONVENTIONAL ETECTORS PANELECT/PANASONIC: .......... viii...
  • Page 4 Page iv SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL 3.5 FAULT INDICATIONS FOR T ™ SENSORS.......... 22 LARM 3.5.1 Dirty Fault Indication ..................22 3.5.2 Excessively Dirty Fault Indication..............23 3.5.3 Self Test Abnormal Fault Indication .............. 23 SECTION 4 - RS-232 INTERFACE................24 4.1 RS-232 PORT ACCESS LEVELS ................
  • Page 5 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page v OPERATOR MANUAL 6.12 OPERATOR ACCESS LEVELS ................47 6.13 POWER UP SEQUENCE ..................48 SECTION 7 - SYSTEM TEST PROCEDURES ............49 7.1 LAMP TEST ......................49 7.1.1 Walk Test™....................49 7.2 HOW TO TURN A POINT OFF ................49 7.3 HOW TO TURN A POINT ON ................
  • Page 6 Page vi SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL PANEL DETAILS panel sticker 4100 Panel supplied by Installation location Contract/Job Number As installed FIP System drawing number Panel Installation date Panel Commissioned date Maintenance Company Telephone Service Contact Document No.: 4100-M004 June 1997 Issue 1.0...
  • Page 7: Compatible Actuating Devices

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page vii OPERATOR MANUAL COMPATIBLE ACTUATING DEVICES The following detectors have been approved as compatible devices for use with the 4100 FIP. SIMPLEX RANGE: Analog Addressable Sensors 4098-9701 High / Very High sensitivity Photoelectric smoke...
  • Page 8: Apollo: Conventional Detectors

    Page viii SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL OLSEN RANGE: Conventional Detectors B111B Beam type smoke detector C24B Ionisation smoke detector C29B Ionisation smoke detector FW81B Heat detector cable P24B Photoelectric smoke detector P29B Photoelectric smoke detector R24B...
  • Page 9: Compatible Batteries

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page ix OPERATOR MANUAL COMPATIBLE BATTERIES The following series of batteries are compatible with the 4100 FIP: Power-Sonic PS12 series Sonnenschien A200 series Sonnenschien A300 series Yuasa NP series Document No: 4100-M004 June 1997...
  • Page 10: Specification

    Page x SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL SPECIFICATION GENERAL System Capacity 1,000 points of addressable input / output devices or conventional zones. Cabinet Size(mm) Dependent on system configuration Cabinet Material 1.5mm Mild grade steel Cabinet Finish Powder coated...
  • Page 11: Indicators And Display

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page xi OPERATOR MANUAL EXPANSION MODULES - Continued 4100-6011 4120 Network Interface Module RS485 Communications Optional Fiber Optics Media Card 4100 - 0110 MAPNET® TRUEALARM™ Addressable Loop Module Up to 127 MAPNET Addressable devices or TrueAlarm...
  • Page 12: Software Features

    Page xii SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL SOFTWARE FEATURES * WALK TEST System Test * 4 Operator Access Levels * 600 Event Historical Logging * Zone selectable Alarm Verification * Individual Circuit Disconnect / Isolate * Nonvolatile Flash EPROM for field editable program changes Document No.: 4100-M004...
  • Page 13 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page xiii OPERATOR MANUAL FIRE S YSTEM SIGN ALS POWER INDICATOR. - PRE SS "A LARM SILEN CE". AC K AC K RE SET FIRE S YSTEM SIGN ALS POWER INDICATOR. - PRE SS "A LARM SILEN CE".
  • Page 15: Section 1 - System Overview

    SECTION 1 - SYSTEM OVERVIEW INTRODUCTION TO NETWORKING The Simplex 4120 Network is a system of individual Fire Alarm Control Panels communicating on a loop as a Peer-to-Peer network (refer Figure 1). This means that every network panel has an equal chance of putting a message out on the network. Each panel with direct communications into the 4120 Network is defined as a “Node”.
  • Page 16: System Introduction

    2,500 network points. 1.2.1 4120 Fire Indication Panel The Simplex 4120 is a microprocessor based Fire Alarm Control Panel which uses the latest in life safety technology and is certified to Australian Standard AS1603.4. The 4120 Fire Indicator Panel has the capacity to monitor and control up 1,000 devices . These devices can either be conventional zones of detectors or analogue addressable devices.
  • Page 17: 2500 Network Display Unit

    Brigade test and battery test functions. 1.2.2 2500 Network Display Unit The Simplex 2500 Network Display Unit (NDU) is a network annunciator and manual system/point controller for a 4120 Network. The NDU provides alphanumeric annunciation for up to 2,500 network points and/or point lists and can be programmed to function as the network master controller for Silence, Acknowledge and System Reset.
  • Page 18: 2500 Ndu With Status Command Centre

    Page 4 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL 1.2.3 2500 NDU with Status Command Centre The 2500 NDU with Status Command Centre combines the 2500 NDU with a custom selection of modular LED and/or LED and control switch assemblies that provide a dedicated monitor and control interface.
  • Page 19: Operator Log In/Log Out Procedures

    Various functions may be passcode protected to prevent access by unauthorised personnel. Passcodes are provided to the user during system installation. To change or receive additional information concerning your passcodes, contact your local Simplex Branch Office. Document No: 4100-M004 June 1997...
  • Page 20: Access Level Log-In Procedure

    Page 6 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL 1.3.1.1 Access Level Log-In Procedure To Log on, perform the following procedure. Obtain the appropriate passcode information. Open the interface panel access door. Press the <MENU> key on the DISPLAY/ACTION keypad on the right side of the interface panel.
  • Page 21: Access Level Log Out Procedure

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 7 OPERATOR MANUAL After a brief pause, the display shows the granted access level, such as level 3 access message shown below. F1=Login F2=Logout CURRENT ACCESS LEVEL = 3 Press <CLR> key on the ENTRY keypad twice. The display shows system status, as shown below.
  • Page 22 Page 8 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL The 4120 FIP also creates a "List" when abnormal conditions exist. The list contains the number of abnormal conditions present in the system. The user pushes the <ACK> keys to view the abnormal condition list, reviews each condition, silences the alarms, views the alarm list, restores affected devices, and resets the panel, if required.
  • Page 23: The Key

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 9 OPERATOR MANUAL 1.3.2.1 The <DISPLAY TIME> Key The <DISPLAY TIME> key is used to view the time of day when the abnormal condition occurred. By viewing the time for each abnormal condition occurrence, fire brigade personnel can determine the path and possible cause for each abnormal condition.
  • Page 24: Section 2 - Alarm Conditions

    Page 10 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL SECTION 2 - ALARM CONDITIONS When an alarm condition is detected by the 4120 FIP, it is indicated by the following: • Red "ALARM" LED is flashing. • Tone-alert is pulsing.
  • Page 25 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 11 OPERATOR MANUAL Unlock and open the panel door. The Fire Alarm Bell will now stop sounding due to the panel door being opened. Read the alphanumeric display. It shows the number of alarm conditions.
  • Page 26: Individual Acknowledge During Alarm Conditions

    Page 12 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL INDIVIDUAL ACKNOWLEDGE DURING ALARM CONDITIONS An INDIVIDUAL ACKNOWLEDGE of a System Alarm Condition is accomplished in the following manner. Unlock and open the panel door. The Fire Alarm Bell will now stop sounding due to the panel door being opened.
  • Page 27: Essential Alarm Condition Keys

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 13 OPERATOR MANUAL ESSENTIAL ALARM CONDITION KEYS The essential keys for alarm conditions are the <ALARM ACK>, <ALARM SILENCE> and the <SYSTEM RESET> keys. The remaining keys are concealed by the access door and are associated with advanced functions of the system.
  • Page 28: How To Isolate / De-Isolate A Zone

    Page 14 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL If the system does not reset, no fire exists, and the display still shows an alarm, read the alphanumeric display to determine the type of device and the zone number in alarm. Follow local procedures to investigate the area of the building with the alarm.
  • Page 29 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 15 OPERATOR MANUAL The display will indicate a ISOLATED condition, until the isolated point has been de-isolated. When a zone is isolated via the zone isolate switches , the condition is indicated on the main 4100 FIP as follows: •...
  • Page 30: How To Isolate / De-Isolate Individual Devices

    Page 16 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL HOW TO ISOLATE / DE-ISOLATE INDIVIDUAL DEVICES As an alternative to isolating a zone of devices, the user may isolate individual devices in a zone. 2.5.1 Disabling Individual Points/Devices If a device does not reset, you may disconnect the device/point causing the alarm condition.
  • Page 31: Enabling Individual Points/Devices

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 17 OPERATOR MANUAL 2.5.2 Enabling Individual Points/Devices If a device was isolated for any reason and has been restored, you can enable the point. This point must first be identified to the system. The isolated point causes a system fault condition which is continually shown on the display.
  • Page 32 Page 18 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL If the enable process is successful, the following message is shown on the display: ENABLE COMPLETED Repeat steps 1 through 3 above to ENABLE the required points. Document No.: 4100-M004 June 1997 Issue 1.0...
  • Page 33: Section 3 - Fault Conditions

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 19 OPERATOR MANUAL SECTION 3 - FAULT CONDITIONS When a fault condition is detected by the 4120 FIP, the condition is indicated on the main 4120 Interface Panel as follows: • Yellow "SYSTEM FAULT" LED is flashing.
  • Page 34: Individual Acknowledge Operation During Fault Conditions

    Page 20 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL A GLOBAL ACKNOWLEDGE of a fault condition is accomplished in the following manner. Unlock and open the panel door. The alphanumeric display will show the fault condition. ** FAULT ** Press <ACK>...
  • Page 35: Essential Fault Condition Keys

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 21 OPERATOR MANUAL Read the alphanumeric display, then investigate the problem to determine its cause. Restore or replace the defective device in accordance with device instructions. Note: When the fault clears, the fault LED flashes and the tone-alert sounds steady.
  • Page 36: System Reset To Clear Faults

    Page 22 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL • When Individual Acknowledge is used and a fault condition has been acknowledged with the <ACK> key, and further unacknowledged fault conditions remain in the system, the tone-alert continues to sound and the next status change is shown on the alphanumeric display.
  • Page 37: Excessively Dirty Fault Indication

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 23 OPERATOR MANUAL The 4120 FIP includes a pre-programmed software point that can be turned on to generate an "almost dirty" indication. This point is useful when maintenance is being scheduled for dirty detectors as it provides a means to see if other sensors are approaching a dirty indicator level.
  • Page 38: Section 4 - Rs-232 Interface

    Page 24 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL SECTION 4 - RS-232 INTERFACE Up to five RS-232 ports are available in the 4120 FIP. The RS-232 interface option supports both printers and video terminals to annunciate alarm, isolate and fault conditions.
  • Page 39: Crt Function Key Definitions

    The CRT must be set up[ correctly in order to receive and transmit data. An operator may enter the set-up mode to verify proper configuration. However, set-up procedures are performed by Simplex personnel and should not normally be performed by operators. (See publication FA4-11-224 for CRT set-up parameters.) CRT SCREEN DISPLAYS A variety of CRT screen displays are used to support system operations.
  • Page 40: Crt Main Menu Screen

    Page 26 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL These screens tell you what to do and when to do it. CRT screen displays are shown in Figures 6 through 10. 4.3.1 CRT Main Menu Screen The CRT Main Menu Screen (Figure 6) is the first screen to appear after power is applied to the system.
  • Page 41: Log In Screen

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 27 OPERATOR MANUAL All conditions which can be displayed at the CRT can be acknowledged at the CRT, provided that the user has logged in at a sufficient access level. A tone on the CRT sounds to indicate unacknowledged conditions.
  • Page 42: Historical Log Screen

    Page 28 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 43: Status Screen

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 29 OPERATOR MANUAL - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 44: The System Printer

    Page 30 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL THE SYSTEM PRINTER The system uses a printer to provide a hard copy of the system’s current status. The system supports both DC and AC printers. A DC printer printline is 40 characters long. A typical DC printer printout is shown in Figure...
  • Page 45: Section 5 - Mapnet Ii

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 31 OPERATOR MANUAL ® SECTION 5 - MAPNET II ® The MAPNET II option allows the use of addressable devices and TrueAlarm™ sensors with the system. Addressable devices communicate the exact location of an alarm to the 4120 FIP operator interface panel, improving recognition of the condition and the subsequent response.
  • Page 46: Section 6 - Advanced Functions

    Page 32 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL SECTION 6 - ADVANCED FUNCTIONS When more involved functionality/control is required, simply open the "Access Door" to expose the additional keys which are used for advanced functions. Figure 13 below shows the panel with the access door open and the advanced function keys.
  • Page 47: Function Keys

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 33 OPERATOR MANUAL These keys can be pressed anytime, and the key feedback (beep) may be the only acknowledgment of the action. Typically, the LED will track the function and illuminate each time its respective key is pressed.
  • Page 48 Page 34 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL B. Press the <NEXT> key. The following is displayed: Press <NEXT> or <PREVIOUS> to scroll Set Time and Date C. Press the <ENTER> key. The current time and date information is displayed along with instructions: Press <FUNC>...
  • Page 49: How To Escape From Menu

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 35 OPERATOR MANUAL HOW TO ESCAPE FROM MENU A. Press the <CLR> key. The following will be displayed: Press <NEXT> or <PREVIOUS> to scroll Select a List of Points B. Press the <CLR> key again. The following will be shown:...
  • Page 50: Display/Action Keys

    Page 36 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL The user will then press the <FUNC> key to view the status of the selected point. The tone-alert will beep and a different status is shown on the alphanumeric display each time the <FUNC>...
  • Page 51: Function Key Operation

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 37 OPERATOR MANUAL 6.6.1 Function Key Operation The <FUNCTION> key is used to obtain more information concerning the point in the display. These points can be brought up on the main menu as previously explained.
  • Page 52: Previous Key

    Page 38 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL • Change Access Level? • Set Time and Date? • Display Historical Alarm Log? • Display Historical Fault Log? • Select a List of Points? • Display Software Revision Level? •...
  • Page 53: Entry Keypad

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 39 OPERATOR MANUAL 6.6.7 Entry Keypad The ENTRY keypad is located to the far right on the operator interface panel and is concealed by the access door. There are fourteen keys on this keypad as shown in Figure...
  • Page 54 Page 40 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL Enter the network node number and press the <ENTER> key, as shown below. Please input the Network Node Number NETWORK: 2 As soon as the <ENTER> key is pressed, the display changes and prompts you for the Zone or Address prefix, as shown below.
  • Page 55: How To Display Mapnet

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 41 OPERATOR MANUAL A complete listing of system points is located within the Programmer’s Report. Each system point has an associated Custom Label which identifies a specific location within the building. Pseudo points have Custom Labels which identify their purpose.
  • Page 56 Page 42 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 57: How To Display The Sensitivity Of A Truealarmâ„¢ Sensor

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 43 OPERATOR MANUAL HOW TO DISPLAY THE SENSITIVITY OF A TrueAlarm™ SENSOR Use the following procedure to determine the sensitivity of a TrueAlarm™ Sensor. Using the Programmer’s Report, locate the address of the desired sensor.
  • Page 58 Page 44 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL ® To verify the sensor’s MAPNET II point address, press the <FUNCTION> key on the DISPLAY/ACTION keypad. The display now looks like the example shown below. POINT ADDRESS: 9-529 NETWORK: 2:M1-15 FROM: 2:513 •...
  • Page 59: Additional Keys

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 45 OPERATOR MANUAL 11. Press the <FUNCTION> key again to display the sensor’s current value. • The display shows sensor location and present sensor value. BLDG. 21-1 MECHANICAL ROOM VALUE = 90 0% OF ALARM 0.0% SMOKE...
  • Page 60: Delete

    Page 46 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL 6.10.4 Delete The <DEL> key acts as a delete key during keypad inputs. It inserts a blank space in the current location and backs up one position. 6.11 POINT SELECTION 6.11.1 Selecting Points Using Lists...
  • Page 61: Operator Access Levels

    Controlling actions may be classified with access levels 2 through 4. Routine actions are assigned to low access levels while access level 4 is reserved for special, highly sensitive operations (normally reserved for Simplex personnel). Entering a level 4 passcode enables you to access all the functions of the system.
  • Page 62: Power Up Sequence

    Page 48 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL The Acknowledge Keys may also require passcodes to acknowledge abnormal conditions. If you press an <ACK> key with insufficient access, an error message will be displayed. The points will scroll with <ACK> key pressing to allow you to view the points on the list, but the points will not be acknowledged.
  • Page 63: Section 7 - System Test Procedures

    2. Perform an individual lamp test on all remote LCD annunciators using the key switch on the operator interface panel. 3. If you find defective lamps/LEDs, contact your local Simplex branch office. 7.1.1 Walk Test™ Walk Test™ must be conducted at each network node individually. Zones going into Walk Test™...
  • Page 64: How To Turn A Point On

    Page 50 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL To turn a point OFF, perform the following procedure. 1. Ensure the point to be turned OFF is shown on the alphanumeric display. A typical point (2:SIG3) is shown below.
  • Page 65: How To Return A Point To Auto

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 51 OPERATOR MANUAL 2. Press the <ON> key. A typical display is shown below. Press <ENTER> to force ON SIGNAL CIRCUIT: 2:SIG3 3. Press the <ENTER> key. A typical display is shown below.
  • Page 66: What To Do In Case Of System Malfunction

    SIMPLEX AUSTRALIA SYSTEM IS NORMAL 9:27:40 MON 7 DEC 95 WHAT TO DO IN CASE OF SYSTEM MALFUNCTION CALL YOU LOCAL SIMPLEX BRANCH OFFICE, WHICH IS LISTED IN THE YELLOW PAGES, FOR ALL MALFUNCTIONS, OR IF YOU WOULD LIKE A QUALIFIED SIMPLEX TECHNICIAN ASSIST...
  • Page 67: Section 8 - Maintenance Procedures

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 53 OPERATOR MANUAL SECTION 8 - MAINTENANCE PROCEDURES It is a requirement of AS1851 - Part 8, The Standards Association of Australia Code for Maintenance of Automatic Fire Alarm Systems, that tests be carried out to ensure the system is fully functional.
  • Page 68: Monthly Tests

    Page 54 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL MONTHLY TESTS In addition to the weekly test specified previously, the following inspection and testing procedures should be carried out each month: Check all battery terminals and electrolyte levels, where appropriate. Maintain all batteries in a serviceable condition.
  • Page 69: Annual Tests

    SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL Page 55 OPERATOR MANUAL ANNUAL TESTS The annual tests shall consist of all the inspection and testing procedures specified in the previous clause and the following: Visually inspect all detectors and sampling points for any condition which is likely to adversely affect their operation, such as excessive deposition of dust or coating with paint.
  • Page 70 Page 56 SIMPLEX 4120 NETWORK FIRE INDICATOR PANEL OPERATOR MANUAL THIS PAGE INTENTIONALLY LEFT BLANK Document No.: 4100-M004 June 1997 Issue 1.0...

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