Bacharach BACnet Specifications

MultiZone Gas Monitors • HGM-MZ (Halogen) • AGM-MZ (Ammonia) • CO2-MZ (Carbon Dioxide) Installation • Operation • Maintenance

Multi-Zone Gas Monitors 4 P/N: 3015-5074 Rev 11 An audible alarm and front panel indicators are provided to signal alarm and fault conditions, and

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 5 DO NOT block any of the zones. Unused zones may be disabled by setting the distance parameter to z

Multi-Zone Gas Monitors 6 P/N: 3015-5074 Rev 11 NOTE: The pickup points located on the floor in the above illustration are examples for refrigera

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 7 General Multi-Zone Specifications Coverage 4 point standard, expandable to 16 points in 4 point in

Multi-Zone Gas Monitors 8 P/N: 3015-5074 Rev 11 SECTION 2. INSTALLATION 2.1. Installation Considerations 2.1.1. Warnings and Cautions WARNING

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 9 The enclosure utilizes keyhole mounting brackets designed for ¼ inch fasteners. Locate the four sc

Multi-Zone Gas Monitors 10 P/N: 3015-5074 Rev 11 Figure 2-2. MZ Monitor Side View 2.2.2. Tubing Considerations Use ¼” (6.35 mm) outside diameter

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 11 with the Halogen Gas Monitor to filter refrigerant from the purge line. It may be mounted adjacen

Multi-Zone Gas Monitors 12 P/N: 3015-5074 Rev 11 2.2.6. Installing an Optional Splitter Kit Splitter kits are made available which allow the MZ un

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 13 2.3. Interior Components Figure 2-4. MZ Monitor Interior Components NOTE: The plastic cabl

Multi-Zone Gas Monitors ii P/N: 3015-5074 Rev 11 WARRANTY Bacharach, Inc. warrants to Buyer that at the time of delivery this Product will be free

Multi-Zone Gas Monitors 14 P/N: 3015-5074 Rev 11 WARNING: Copper conductors for connection to supply mains must be made in accordance with NEC/C

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 15 2.5. Connecting Communications Devices 2.5.1. Remote Display Module (RD) Connection The MZ is co

Multi-Zone Gas Monitors 16 P/N: 3015-5074 Rev 11 2.5.4. Changing Terminator Switch Settings The terminator switch is shipped from the factory in t

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 17 2.6. Terminating Multiple Monitors Figure 2-8. Termination Settings for a Network of Multiple M

Multi-Zone Gas Monitors 18 P/N: 3015-5074 Rev 11 NOTE: User must have two (2) dedicated ports to successfully complete the required setup. Figu

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 19 NOTE: The PC software is not compatible with 64-bit (or newer) computers. NOTE: The PC software

Multi-Zone Gas Monitors 20 P/N: 3015-5074 Rev 11 IMPORTANT: When a modified parameter (zone, system, or calibration) is sent to the MZ monitor, p

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 21 2.9. Optional Current Loop Interfaces NOTE: The two-output, current loop interface is an option

Multi-Zone Gas Monitors 22 P/N: 3015-5074 Rev 11 2.9.2. 4-20 mA DC Connections External devices are connected to the MZ monitor using a shielded d

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 23 Figure 2-12. Optional Dual 4-20 mA DC Output Board and Connector 2.10. Connecting External Alarm

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 iii Table of Contents SECTION 1. INTRODUCTION...

Multi-Zone Gas Monitors 24 P/N: 3015-5074 Rev 11 Jumper the “Live/Positive” line of an external power source (DC devices) or the monitor’s AC input

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 25 SECTION 3. SETUP PROGRAMMING 3.1. Initial Power Up When the MZ monitor is powered up, all front

Multi-Zone Gas Monitors 26 P/N: 3015-5074 Rev 11 Figure 3-3. HGM System Setup Screen #2 3.4.1. Location This is the name you assign to the MZ mo

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 27 3.4.5. Zone Hold Sets the length of time a zone will be monitored when the zone hold feature is a

Multi-Zone Gas Monitors 28 P/N: 3015-5074 Rev 11 3.4.9. Re-Zero Mode This parameter defines the frequency at which the instrument re-zeros the opt

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 29 2. Use the LEFT/RIGHT cursor keys to move across the entry field and the UP/DOWN cursor keys to m

Multi-Zone Gas Monitors 30 P/N: 3015-5074 Rev 11 3.6.3. Node Address Each monitor on the network must has a distinct node address. The node addre

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 31 SECTION 4. GENERAL OPERATION 4.1. Functional Overview Normally each MZ monitor will sequentially

Multi-Zone Gas Monitors 32 P/N: 3015-5074 Rev 11 4.2.3. Di sta nce + EXH This parameter defines the combined length of the sample tubing plus an

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 33 4.3.1. Leak Level This is the concentration level in PPM that will activate a leak alarm conditio

Multi-Zone Gas Monitors iv P/N: 3015-5074 Rev 11 2.8.2. Saving and Sending Programs ...

Multi-Zone Gas Monitors 34 P/N: 3015-5074 Rev 11 4.4.2. Responding to Alarms An operator can respond to the alarms by accessing the Alarm Summary

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 35 This screen provides the following navigation options at the bottom of the display: ACK Using the

Multi-Zone Gas Monitors 36 P/N: 3015-5074 Rev 11 4.4.6. Clearing the Alarm Event Log A data log of the last 20 alarm events is retained in memory.

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 37 4.5.2. Navigating to the Fault Screen Displayed on the initial Data Display Screen is a Fault opt

Multi-Zone Gas Monitors 38 P/N: 3015-5074 Rev 11 4.5.4. Non Critical Faults Fau lt Code Description / Possible Causes BOX TEMP FAULT <0001&

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 39 4.5.7. Viewing Fault Log A data log of the last 20 fault conditions is retained in memory. On the

Multi-Zone Gas Monitors 40 P/N: 3015-5074 Rev 11 This screen lists the zones in the left column and displays flow data. Use the UP/DOWN buttons to

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 41 IMPORTANT: Changing information on CAL FACTOR will void the factory calibration. Typically, the

Multi-Zone Gas Monitors 42 P/N: 3015-5074 Rev 11 NOTE: The CO2 calibration is a more complex, 2-point calibration. CO2 units are factory calibr

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 43 Program the instrument for a new gas as follows: 1. From the Calibration Screen, use the PREV GAS

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 v 4.4.1. Functional Overview ...

Multi-Zone Gas Monitors 44 P/N: 3015-5074 Rev 11 4.9. The Diagnostic Screen 4.9.1. Navigating to the Diagnostic Screen On the System Setup screen

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 45 4.9.2. Diagnostic Screen Overview The Diagnostic Screen contains sensor data and status informati

Multi-Zone Gas Monitors 46 P/N: 3015-5074 Rev 11

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 47 SECTION 5. MAINTENANCE WARNING: Shock hazard! Always disconnect AC power before opening the enc

Multi-Zone Gas Monitors 48 P/N: 3015-5074 Rev 11 Part Name P/N Description Water Trap 0007-1655 The water trap removes moisture that enters tubi

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 49 Item Description Part Number ¼” to 6 mm Reducer Kit (10) 3015-5389 (10) ¼” to 6 mm Reducer Kit (8

Multi-Zone Gas Monitors 50 P/N: 3015-5074 Rev 11 Item Description Part Number 12 Zone (13 line end filters, 1 charcoal filter, 1 hydrophobic,

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 51 Figure 5-1. Sample DIGIPOT Readings 8. Scroll to “DE T DIGIPOT” option (se

Multi-Zone Gas Monitors 52 P/N: 3015-5074 Rev 11

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 53 APPENDIX A. RECOMMENDED REFRIGERANT GAS ALARM SETTINGS Gas Alarm Settings (PPM) Gas

Multi-Zone Gas Monitors vi P/N: 3015-5074 Rev 11 B.3.17. Fault Log Register 0x1900-01 (6400-6401 Dec) (R, 302 Bytes) ...

Multi-Zone Gas Monitors 54 P/N: 3015-5074 Rev 11

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 55 APPENDIX B. RS-485 COMMUNICATIONS PROTOCOL B.1. Overview The following instructions are intende

Multi-Zone Gas Monitors 56 P/N: 3015-5074 Rev 11 the preset multiple register function. If the transaction is successful, the MZ monitor sends the

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 57 Parameter Description Stop Bits Default is 1. Can be set for 2 via System data register. Maximum

Multi-Zone Gas Monitors 58 P/N: 3015-5074 Rev 11 B.3.7. System Data Register 0x0010 (16 Dec) (R/W, 54 Bytes) Variable Type Length Description T

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 59 B.3.9. Fault Code Table BIT Fau lt Type Code Description 15 CLIPPING FAULT 0x8000 0x8000 Sens

Multi-Zone Gas Monitors 60 P/N: 3015-5074 Rev 11 NOTE: Refer to the Recommended Alarm Settings & Gas Enumeration table on page 53. NOTE: T

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 61 B.3.13. Sensor Data Register 0x0016h (22 Dec) (R, 82 Bytes) Variable Type Length Description Pr

Multi-Zone Gas Monitors 62 P/N: 3015-5074 Rev 11 2. Modify the content of the status register to change the MODE parameter to normal mode. Ac t iv

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 63 B.3.20. Service Mode Re giste r 0x001B (27 Dec) (W, 10 Byte s) Variable Type Length Descriptio

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 1 SECTION 1. INTRODUCTION 1.1. About This Manual Thank you for investing in a Bacharach Multi-Zone

Multi-Zone Gas Monitors 64 P/N: 3015-5074 Rev 11 Variable Type Length Description Index UI 2 Point to current reading Time TIM 1300 Time recor

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 65 APPENDIX C. SYSTEM MENU MAP

Multi-Zone Gas Monitors 66 P/N: 3015-5074 Rev 11

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 67 APPENDIX D. AGENCY APPROVALS

Multi-Zone Gas Monitors 68 P/N: 3015-5074 Rev 11

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 69 European Standard EN14624: 2005 testing with R-134a (Halogen Gas Monitor Only). Min. Sensitivit

Multi-Zone Gas Monitors 70 P/N: 3015-5074 Rev 11

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 71 APPENDIX E. SERVICE CENTERS United States Bacharach, Inc. 621 Hunt Valley Circle New Kensington

Multi-Zone Gas Monitors 72 P/N: 3015-5074 Rev 11

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 73 INDEX NUMBERS 0007-1650... 47, 48 0007-1655...

Multi-Zone Gas Monitors 2 P/N: 3015-5074 Rev 11 WARNING: A switch or circuit breaker must be included in the building installation. The switch m

Multi-Zone Gas Monitors 74 P/N: 3015-5074 Rev 11 audible alarm... 4, 26, 33, 35, 36 B Bacharach service center...

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 75 screen ... 37, 39 filter(s) ... iii, 4

Multi-Zone Gas Monitors 76 P/N: 3015-5074 Rev 11 N NEC/CEC compliance ... 13, 14 network ...16, 17, 28, 30, 31, 34, 35

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 77 set points ...5 setup ...

Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068-7074 Toll Free: 800-736-4666 • Tel:

Multi-Zone Gas Monitors P/N: 3015-5074 Rev 11 3 1.4. Key External Hardware Components Figure 1-1. Multi-Zone Monitor Front View NOTE: Mountin