Ansul AutoPulse Z-28 Service Manual
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Ansul AutoPulse Z-28 Service Manual

Ansul AutoPulse Z-28 Service Manual

Agent release control system
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SERVICE
28
ANSUL
MANUAL
AGENT RELEASE
CONTROL SYSTEM
P/N 579-483 Doc 431707
Rev: A
12/09/02

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  • Page 1 SERVICE ANSUL  MANUAL AGENT RELEASE CONTROL SYSTEM P/N 579-483 Doc 431707 Rev: A 12/09/02...
  • Page 2 This Page is intentionally blank...
  • Page 3 Alarm Control Panel (FACP) operation and reliability depend upon proper installation. DO NOT INSTALL ANY ANSUL PRODUCT THAT APPEARS DAMAGED. Upon unpacking your Ansul product, inspect the contents of the carton for shipping damage. If damage is apparent, immediately file a claim with the carrier and notify Ansul.
  • Page 4 Codes and Standards The Z-28 is listed for the following. UL 864 Listings for Type of System: • UL 864 Power-Limited Fire Alarm Control Unit • Local (formerly NFPA 72A) Requires the sounding of an alarm via listed notification appliance(s) •...
  • Page 5 Codes and Standards The installer should be familiar with the relevant codes listed below as well as any other applicable local codes and standards, when installing a fire alarm (continued) system. • NFPA 72 National Fire Alarm Code • NFPA 11 Standard for Low-Expansion Foam and Combined Agent Systems •...
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  • Page 7: Table Of Contents

    Power Supply Troubles ................2-4 SLCnet Troubles................... 2-8 RS-232/Modem Troubles ................2-11 24 Point I/O Troubles ..................2-12 LCD Troubles....................2-13 AUTOPULSE Z-28 Ext Troubles ...............2-14 Digital Pseudo Point Troubles..............2-15 Chapter 3. Crash Codes Introduction ....................3-1 In this Chapter ..................3-1 Summary of Crash Codes................3-2...
  • Page 8 Appendix A. Power Supply Adjustment and Troubleshooting Introduction ....................A-1 In this Appendix ..................A-1 Adjusting the AC Power Supply Brownout Potentiometer ......A-2 Overview ....................A-2 Using a Variac to Adjust the Brownout Potentiometer ......A-2 Checking AC Power Supply Transformer / Bridge Rectifier .......A-3 Checking DC Voltage at H1 and H2 ............A-3 Checking Connectors................A-3 Replacing the Line Voltage Transformer and Bridge Rectifier ....A-5...

  • Page 11: Chapter 1. Power Up Flowcharts

    Chapter 1 Power Up Flowcharts Introduction This chapter contains two flowcharts, one containing the Z-28’s power up sequence and one that can be used to troubleshoot AC power problems. Be aware of the following when using these flowcharts. • The power up sequence occurs quickly. On a properly functioning system, some phases of the power up sequence (for example, the span of time during which the boot software revision is displayed) appear on the Liquid Crystal Display (LCD) for only a few seconds.

  • Page 12: Initial Power Up Flow Chart

    Initial Power Up Flow Chart AC Power LED ON AC Power Flowchart System Displays: System Displays: System Displays: Any other Crash Code A? "1.02.xx" Crash Code See Note 1 Check cable running from keypad to Replace SFIO Board SFIO Board. System System Displays: Displays:...
  • Page 13 Initial Power Up Flow Chart, Continued Note 1: When the system displays “1.02.xx”, this indicates the revision level of the boot software and does not indicate the revision level of the panel’s BIN file. Refer to “Determining the BIN File Software Revision,” in Appendix C of this manual for additional information.

  • Page 14: Ac Power Flowchart

    AC Power Flowchart Meter AC Power @ Panel's AC Contact Individual / Organization Terminal Block. Responsible for Building Electrical System AC Power Less than 103 VAC? Brownout Adjustment Adjust Brownout Potentiometer. Potentiometer Correctly Note: Read Appendix B for Positioned? Refer to Adjustment Procedure.

  • Page 15: Chapter 2. Interpreting Trouble Messages

    In this Chapter This chapter discusses the following topics: Topic See Page # NAC Troubles Power Supply Troubles SLCnet Troubles RS-232/Modem Troubles 2-11 24 Point I/O Troubles 2-14 LCD Troubles 2-15 AUTOPULSE Z-28 Ext Troubles 2-16 Digital Pseudo Point Troubles 2-17...

  • Page 16: Nac Troubles

    NAC Troubles Table 2-1. NAC Card and Point Troubles Type Trouble Message Possible Causes / Troubleshooting Remove the field wiring from the NAC. Connect a 10K EOL resistor to the NAC terminal on the panel and see if the trouble clears. Do one of NAC Circuit: SIG1 the following depending on whether the trouble clears.
  • Page 17 NAC Troubles, Continued Table 2-1. NAC Card and Point Troubles (continued) Type Trouble Message Possible Causes / Troubleshooting Indicates a power trouble on the NAC. Check the following: • Check the load on the NAC in question while it is in the alarm state. The load on each NAC must not exceed 2A.

  • Page 18: Power Supply Troubles

    Power Supply Troubles Table 2-2. Power Supply Troubles Type Trouble Message Possible Causes / Troubleshooting Indicates that the Power Supply card is not communicating with the master. • Check the baud rate set on the SFIO. This trouble may indicate that the baud rate is set to some value other than 9600, which is required for normal operation.
  • Page 19 Power Supply Troubles, Continued Table 2-2. Power Supply Troubles (continued) Type Trouble Message Possible Causes / Troubleshooting Run the Earth Fault search diagnostic. If the results of the Earth Fault search do not isolate the source of the fault, try the following: •...
  • Page 20 Power Supply Troubles, Continued Table 2-2. Power Supply Troubles (continued) Type Trouble Message Possible Causes / Troubleshooting Indicates the battery voltage is low (less than 22.8 V), battery standby is running low, and action is required. Note that this may or may not indicate a problem. Do the following: •...
  • Page 21 Power Supply Troubles, Continued Table 2-2. Power Supply Troubles (continued) Type Trouble Message Possible Causes / Troubleshooting Indicates a problem with the battery charger circuit. Check the voltage across P9 and P10 and take action as described below. • No Voltage at P9 / P10. Check the voltage across P9 and P10, as shown above.

  • Page 22: Slcnet Troubles

    SLCnet Troubles Table 2-3. SLCnet Troubles Type Trouble Message Possible Causes / Troubleshooting This trouble indicates that the SLCnet card is not communicating with the master. Check the baud rate set on the SFIO. This trouble may indicate • that the baud rate is set to some value other than 9600, which is required for normal operation.
  • Page 23 SLCnet Troubles, Continued Table 2-3. SLCnet Troubles (continued) Type Trouble Message Possible Causes / Troubleshooting Indicates either: • SLCnet Another slave card (LCD Annunciator, 24 Point I/O, Wrong Card Card RS-232/Modem) has a card address of 3. • The SFIO board is bad. Indicates a problem with the point associated with the Custom_Label.
  • Page 24 SLCnet Troubles, Continued Table 2-3. SLCnet Troubles (continued) Type Trouble Message Possible Causes / Troubleshooting Troubles for ZAMs / Pull Stations / Monitor IAMs • Open. Check the field wiring. • Short. Check the field wiring. Troubles for RIAMs • Manual Override.

  • Page 25: Rs-232/Modem Troubles

    RS-232/Modem Troubles Table 2-4. RS 232/Modem Troubles Trouble Message Possible Causes / Troubleshooting Indicates that the RS-232/Modem card is not communicating with the master. • Ensure that no other N2 cards (LCD Annunciator, 24 Point I/O, RS-232) have a card address of 4. If the RS-232 Card is Missing Card addressed as card 4, replace the SFIO card.

  • Page 26: 24 Point I/O Troubles

    24 Point I/O Troubles Table 2-5 24 Point I/O Troubles Type Trouble Message Possible Causes / Troubleshooting Indicates that the 24 Point I/O card is not communicating with the master. • Ensure that no other N2 cards (LCD Annunciator, RS-232) have a card address within the range of 9-14.

  • Page 27: Lcd Troubles

    LCD Troubles Table 2-6 LCD Troubles Trouble Message Possible Causes / Troubleshooting Indicates that the LCD card is not communicating with the master. • Ensure that no other N2 cards (24 Point I/O, RS-232) have a card address within the range of 9-14. If the LCD card is Missing Card addressed within this range, replace the SFIO card.

  • Page 28: Autopulse Z-28 Ext Troubles

    AUTOPULSE Z-28 Ext Troubles The AUTOPULSE Z-28 Ext Card has 40-card status points associated with it. Since an actual card does not exist at address 17, the card status points on the NACext “card” do not actually provide information on the card itself.

  • Page 29: Digital Pseudo Point Troubles

    Indicates that the time and date is incorrect. Turns off when time and Date date is updated. Indicates that the panel is in Service Mode. Turns off only on a panel Ansul Service Mode restart. Turns on when the number of alarms, supervisories, or troubles is Active List Overflow greater than the system active list size (100 fires, 50 supv, 300 troubles).
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  • Page 31: Chapter 3. Crash Codes

    Chapter 3 Crash Codes Introduction This chapter lists the Z-28’s “crash codes.” A crash code indicates that an unrecoverable error (a crash) has occurred to the software executing on the Z-28. The exact troubleshooting information that you can gather from a crash depends on whether you are at the panel at the time of the crash.

  • Page 32: Summary Of Crash Codes

    Summary of Crash Codes Table 3-1. Crash Codes Code Corrective Action Crash Code =0D A pulse statement in Custom Control does not have an analog PC = BD76 pseudo point referenced to it. Fix the CC equation. Code not supported by Z-28. Replace SFIO.
  • Page 33 Summary of Crash Codes, Continued Table 3-1. Crash Codes (continued) Code Corrective Action Reload CFIG. Check versions of Z-28 Programmer and BIN file. Reload CFIG. Check versions of Z-28 Programmer and BIN file. Reload CFIG. Check versions of Z-28 Programmer and BIN file. Reload BIN file.

  • Page 35: Appendix A Power Supply Adjustment And Troubleshooting

    Appendix A Power Supply Adjustment and Troubleshooting Introduction This appendix provides basic troubleshooting procedures related to the Z-28 FACP’s power supply. In this Appendix This appendix discusses the following topics: Topic See Page # Adjusting the AC Power Supply Brownout Potentiometer Checking AC Power Supply Transformer / Bridge Rectifier...

  • Page 36: Adjusting The Ac Power Supply Brownout Potentiometer

    Adjusting the AC Power Supply Brownout Potentiometer Overview The AC Power Supply Brownout Potentiometer (R252) is factory adjusted and should not require field adjustment. The exception to this is when an SFIO board is received in the field without a BIN file downloaded to it. This indicates that the board may not have been factory adjusted and tested.

  • Page 37: Checking Ac Power Supply Transformer / Bridge Rectifier

    Checking AC Power Supply Transformer / Bridge Rectifier Checking DC Voltage at H1 The Z-28 line voltage transformer and bridge rectifier convert 120 VAC to the and H2 DC voltage required by the Z-28. 1. Meter the DC voltage across the crimped base of H1 and H2, just at the point where the wires attach to the PC board.
  • Page 38 Checking AC Power Supply Transformer / Bridge Rectifier, Continued Checking Connectors 4. Disconnect connectors P9 and P10, located on the left side of the panel’s (continued) PC board. Label the wires to make reattachment easier. See Figure B-2. 5. Lift the panel’s electronics from the chassis, and visually inspect the four connectors attached to the bridge rectifier.

  • Page 39: Replacing The Line Voltage Transformer And Bridge Rectifier

    Checking AC Power Supply Transformer / Bridge Rectifier, Continued Replacing the Line Voltage If there is no voltage at H1 and H2 and a visual inspection of the connectors Transformer and Bridge does not reveal any obvious problems, you should replace the line voltage Rectifier transformer and the bridge rectifier, using the following instructions.

  • Page 40: Checking Eps Transformer / Bridge Rectifier

    Checking EPS Transformer / Bridge Rectifier Introduction If the initial troubleshooting indicates that the EPS is receiving adequate 120 VAC from the AC circuit, the next step is to verify the integrity of the EPS transformer, bridge rectifier, and their connectors. Checking DC Voltage from 1.

  • Page 41: Checking Connectors

    Checking EPS Transformer / Bridge Rectifier, Continued Checking Connectors A series of plastic connectors link the EPS’s line voltage transformer and bridge rectifier to the building’s AC power circuit. Checking the integrity of these connectors allows you to eliminate these components as a possible cause for EPS power problems.

  • Page 42: Replacing The Eps Line Voltage Transformer And Bridge Rectifier

    Checking EPS Transformer / Bridge Rectifier, Continued Replacing the EPS Line If there is no voltage at RED1 and BLK1 and a visual inspection of the Voltage Transformer and connectors does not reveal any obvious problems, you should replace the line Bridge Rectifier voltage transformer and the bridge rectifier on the EPS, using the following instructions.

  • Page 43: Appendix B. Diagnostic Utilities, Basic Service Procedures, And Known Solutions

    Appendix B Diagnostic Utilities, Basic Service Procedures, and Known Solutions Introduction Running the Z-28’s built-in diagnostic utilities is the easiest way to ensure proper communication between the FACP and its various devices. To use the Diagnostics, you must be logged in at a Level 4. This appendix provides a summary of the built-in diagnostic utilities provided with the Z-28 FACP.

  • Page 44: N2 Comm Diagnostics

    N2 Comm Diagnostics Procedure Use the N2 Comms Diagnostics to check for noisy N2 comm lines and other N2 comm errors 1. Press <MENU>. 2. Press <NEXT> or <PREVIOUS> until [Diagnostics] is displayed and then press <ENTER>. 3. Press <NEXT> or <PREVIOUS> until [N2 COMM] is displayed and then press <ENTER>.

  • Page 45: Procedure

    SLCnet Diagnostics Procedure 1. Press <MENU>. 2. Press <NEXT> or <PREVIOUS> until [Diagnostics] is displayed and then press <ENTER>. 3. Press <NEXT> or <PREVIOUS> to select [SLCNET DIAGNOSTICS] and then press <ENTER>. 4. Press <NEXT> or <PREVIOUS> to select either [DUPLICATE DEVICES] or [WEAK ANSWER DEVICES] and press [Enter].

  • Page 46: Slcnet Earth Fault Search Diagnostics

    SLCnet Earth Fault Search Diagnostics Procedure Use the SLCnet Earth Fault Search Diagnostics to locate an “earth” between the panel and the first SLCnet isolator device or to another isolator device. Note that the Z-28 FACP does not function as a fire panel for the duration of an Earth Fault search.

  • Page 47: Walktest

    WALKtest Overview WALKtest allows one person to test the functionality of the Z-28. Once the panel is placed into WALKtest mode, any device can be tested in any order. For each device, you should simulate both an alarm and trouble. If an audible or visible indication is used, wait for the indication before moving on to the next device.

  • Page 48: Simtest

    SIMtest Overview The SIMtest feature provides a simple method of testing the application specific software in the FACP without the need to manually activate the initiating device circuits. In other words, SIMtest provides an easy method of testing the Input/Output programming to verify that the programming is written as the customer specified.

  • Page 49: Using Simtest

    SIMtest, Continued Using SIMtest Use Steps 1 through 5 and Figures C-5 to activate SIMtest. 1. Press <MENU>. 2. Press <NEXT> or <PREVIOUS> until [SIMtest] is displayed and then press <ENTER>. 3. Press < > or < > to move the focus brackets to the desired option. 4.

  • Page 50: Basic Service Procedures

    Basic Service Procedures Restoring the Z-28’s Default The following procedure returns the Z-28 CFIG (job) loaded on the panel to a Programming factory default state. This includes all system options, custom labels, custom control, etc. To do this, follow these steps: 1.
  • Page 51 Basic Service Procedures, Continued Clearing an Event Overflow Follow these steps to turn off P47 from the front panel. Trouble (continued) 1. Press <MENU>. 2. Press <NEXT> or <PREVIOUS> until [Control/View Points] is displayed and then press <ENTER>. 3. Press <NEXT> or <PREVIOUS> to scroll through the point types until the [Digital Pseudo Points] appears and press <ENTER>.

  • Page 53: Index

    8 AC power trouble EPS trouble for power supply card, 2-4 for power supply points, 2-4 AUTOPULSE Z-28 Ext event queue overflow trouble, B-8 intermittent missing card trouble, 2-8 AUTOPULSE Ext troubles, 2-14 and no answer trouble, 2-9 bad answer trouble, 2-9...
  • Page 54 NAC circuit trouble using SIMtest, B-7 troubleshooting for, 2-2 SLCnet diagnostics, B-3 NAC signal power trouble, 2-3 SLCnet Earth fault search diagnostics, B-4 NAC troubles SLCnet Troubles Class A, 2-2 and isolator bases, 2-8 missing card, 2-2 and monitor IAMs, 2-10 NAC circuit trouble, 2-2 and pull stations, 2-10 signal power, 2-3...
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  • Page 56 ANSUL INCORPORATED ONE STANTON STREET MARINETTE, WI 54143-2542 715-735-7411...

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