Manuali utente per Bacharach Multi-Zone Gas Leak Monitors

Sommario

• MultiZone Gas Monitors

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•  HGM-MZ (Halogen)

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•  AGM-MZ (Ammonia)

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•  CO2-MZ (Carbon Dioxide)

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• Installation ( Operation ( Maintenance

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• Instruction P/N: 3015-5074

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• Rev. 11

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• August 2013

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• SECTION 1. Introduction

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  • 1.1. About This Manual

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  • 1.2. Warning and Caution Conventions

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  • 1.3. Safety Precautions

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  • 1.4. Key External Hardware Components

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  • 1.5. Functional Overview

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    • 1.5.1. General Description

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    • 1.5.2. Communications Options

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    • 1.5.3. Understanding Monitoring Levels

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    • 1.5.4. Response to the Presence of Multiple Refrigerants (HGM Only)

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    • 1.5.5. Suggested Location of Sampling Points

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    • 1.5.6. Locating a Remote Display (Optional)

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  • 1.6. Specifications

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• SECTION 2. Installation

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  • 2.1. Installation Considerations

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    • 2.1.1. Warnings and Cautions

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    • 2.1.2. Inspection

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    • 2.1.3. Location of the Monitor

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    • 2.1.4. Mounting Instructions

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  • 2.2. Connecting Gas Sample Lines

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    • 2.2.1. Overview

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    • 2.2.2. Tubing Considerations

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    • 2.2.3. Connecting Purge Line

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    • 2.2.4. Connecting Exhaust Line

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    • 2.2.5. Connecting Sample Intake Lines

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    • 2.2.6. Installing an Optional Splitter Kit

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    • 2.2.7. Connecting the Water Trap

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  • 2.3. Interior Components

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    • 2.4. Electrical Wiring

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  • 2.5. Connecting Communications Devices

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    • 2.5.1. Remote Display Module (RD) Connection

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    • 2.5.2. Integrating with Building Management Systems

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    • 2.5.3. Larger Integrated Systems

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    • 2.5.4. Changing Terminator Switch Settings

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    • 2.5.5. Personal Computer

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  • 2.6. Terminating Multiple Monitors

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  • 2.7. Connecting to a Building Management System

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  • 2.8. PC Software

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    • 2.8.1. Operation

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    • 2.8.2. Saving and Sending Programs

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    • 2.8.3. Trend Data

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    • 2.8.4. Converting the TREND Text File to a Microsoft Excel File

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    • 2.8.5. Saving and Printing Screens and Logs

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    • 2.8.6. USB Type Laptops

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  • 2.9. Optional Current Loop Interfaces

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    • 2.9.1. Optional 4–20 mA DC Outputs

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    • 2.9.2. 4-20 mA DC Connections

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  • 2.10. Connecting External Alarms

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    • 2.10.1. Overview

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    • 2.10.2. Connection

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• SECTION 3. Setup Programming

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  • 3.1. Initial Power Up

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  • 3.2. Data Display Screen

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  • 3.3. Navigating to the 1st Setup Screen

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  • 3.4. Navigating to the 2nd Setup Screen

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    • 3.4.1. Location

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    • 3.4.2. Number of Zones Installed

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    • 3.4.3. Alarm Acknowledge Mode

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    • 3.4.4. Audible Alarm

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    • 3.4.5. Zone Hold

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    • 3.4.6. Detection Limit

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    • 3.4.7. Loop Mode

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    • 3.4.8. Loop2 Factor

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    • 3.4.9. Re-Zero Mode

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  • 3.5. Navigating to the 3rd Setup Screen

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    • 3.5.1. Overview

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    • 3.5.2. Baud Rate

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    • 3.5.3. Node Address

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    • 3.5.4. Password

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  • 3.6. Additional Service Features

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    • 3.6.1. Service Timeout

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    • 3.6.2. DET Digipot

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    • 3.6.3. Node Address

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    • 3.6.4. Sensor Temperature Coefficient (For Factory Use Only)

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    • 3.6.5. Password

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    • 3.6.6. Acquiring Temperature Coefficient (For Factory Use Only)

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    • 3.6.7. IR Digipot

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  • 3.7. Establishing the CO2 Sensor Baseline

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• SECTION 4. General Operation

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  • 4.1. Functional Overview

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  • 4.2. The Zone Setup Screen

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    • 4.2.1. Location

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    • 4.2.2. Gas/Refrigerant Type

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    • 4.2.3. Distance + EXH

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    • 4.2.4. Temp @ Zone

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    • 4.2.5. Current Detection Reading

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    • 4.2.6. Log Interval

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  • 4.3. Navigating to the 2nd Zone Setup Screen

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    • 4.3.1. Leak Level

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    • 4.3.2. Spill Level

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    • 4.3.3. Evacuation Level

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    • 4.3.4. Re-Setting the Peak PPM Value

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  • 4.4. Alarms

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    • 4.4.1. Functional Overview

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    • 4.4.2. Responding to Alarms

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    • 4.4.3. Alarm Detail Screen

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    • 4.4.4. Acknowledging Alarms

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    • 4.4.5. Silencing an Alarm

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    • 4.4.6. Clearing the Alarm Event Log

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  • 4.5. System Faults

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    • 4.5.1. Functional Overview

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    • 4.5.2. Navigating to the Fault Screen

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    • 4.5.3. Critical Faults

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    • 4.5.4. Non Critical Faults

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    • 4.5.5. Reset to Factory Default Settings

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    • 4.5.6. Clearing System Faults

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    • 4.5.7. Viewing Fault Log

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    • 4.5.8. Viewing Flow Log

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  • 4.6. The Trend Screen

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    • 4.6.1. Navigating to the Trend Screen

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  • 4.7. The Calibration Screen

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    • 4.7.1. Overview

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    • 4.7.2. Navigating to the Calibration Screen

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    • 4.7.3. Calibration Procedure (HGM and AGM Only)

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    • 4.7.4. Adjusting Calibration Factor (HGM and AGM Only)

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    • 4.7.5. CO2 Atmospheric Concentration

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    • 4.7.6. Programming New Gases (HGM Only)

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  • 4.8. Zone Hold Mode

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  • 4.9. The Diagnostic Screen

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    • 4.9.1. Navigating to the Diagnostic Screen

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    • 4.9.2. Diagnostic Screen Overview

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• SECTION 5. Maintenance

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  • 5.1. Replacement Parts Overview

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  • 5.2. Replacement Parts and Optional Accessories

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  • 5.3. Troubleshooting

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• APPENDIX A. Recommended Refrigerant Gas Alarm Settings

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• APPENDIX B. RS-485 COMMUNICATIONS PROTOCOL

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  • B.1. Overview

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  • B.2. MODBUS RTU Protocol

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  • B.3. MZ MODBUS RTU Operation

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    • B.3.1. Overview

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    • B.3.2. Protocol Details

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    • B.3.3. MZ Monitor Polling

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    • B.3.4. Network Topologies

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    • B.3.5. Key Comm Protocol Parameters

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    • B.3.6. Summary of Registers

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    • B.3.7. System Data Register 0x0010 (16 Dec) (R/W, 54 Bytes)

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    • B.3.8. Status Register 0x011 (17 Dec) (R/W, 10 Bytes)

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    • B.3.9. Fault Code Table

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    • B.3.10. Zone Data Register 0x12xx (R/W, 78 Bytes)

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    • B.3.11. Alarms and Alarm Acknowledge

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    • B.3.12. Date Time Register 0x0015 (21 Dec) (R/W, 14 Bytes)

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    • B.3.13. Sensor Data Register 0x0016h (22 Dec) (R, 82 Bytes)

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    • B.3.14. Release Zone Hold Register 0x0017h (23 Dec) (W, 10 Bytes)

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    • B.3.15. Hold Zone Register 0x0018h (23 Dec) (W, 10 Bytes)

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    • B.3.16. MZ Hold Mode

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    • B.3.17. Fault Log Register 0x1900-01 (6400-6401 Dec) (R, 302 Bytes)

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    • B.3.18. Flow Log Register 0x001F (31 Dec) (R, 142 Bytes)

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    • B.3.19. Alarm Log Register 0x1A00-02 (6656-58 Dec) (R, 582 Bytes)

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    • B.3.20. Service Mode Register 0x001B (27 Dec) (W, 10 Bytes)

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    • B.3.21. Release Service Mode 0x001C (28 Dec) (W, 10 Bytes)

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    • B.3.22. MZ Service Mode

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    • B.3.23. PPM Register 0x001E (30 Dec) (R, 32 Bytes)

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    • B.3.24. Zone Log Registers 0x3xyy (R, 1502 Bytes)

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    • B.3.25. MODBUS Exception Responses

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    • B.3.26. MODBUS Gas Enumeration

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• APPENDIX C. SYSTEM MENU MAP

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• APPENDIX D. Agency Approvals

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• APPENDIX E. Service Centers

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