Bacharach AGM300 User Manual

AGM300 / ADM800 Ammonia Gas Monitoring System Instruction 3015-4275 Installation / Operation / Maintenance Rev. 3 – May 2006

2 Instruction 3015-4275 AGM300 - Installation Considerations Locating the Monitor The AGM300 should be centrally located in the facility and should b

Instruction 3015-4275 3 AGM300 - Mounting Instructions Screw Locations The AGM300 should be installed plumb and level and securely fastened to a rigi

4 Instruction 3015-4275 AGM300 - Connecting Air Lines Overview Individual sample lines are run from the AGM300 to each area of the facility to be mon

Instruction 3015-4275 5 Tubing Considerations Use ¼" outside diameter (0.040" wall) flex tubing is used for all air lines (P/N 304-2742). T

6 Instruction 3015-4275 AGM300 - Interior Schematic Primary Filter Intake Manifold Solenoids Intake Solenoid Connectors Power Supply Board Main Board

Instruction 3015-4275 7 AC Power / RS-485 / Relay Connector / 4-20 mAdc Current Loop Switches / Fuses Auxiliar

8 Instruction 3015-4275 AGM300 - Electrical Wiring It is highly recommended that the AGM300 be connected directly to the AC power source, preferably

Instruction 3015-4275 9 AGM300 AC Input Power and Ground Connections

10 Instruction 3015-4275 AGM300 - Connecting Communication Devices Ammonia Display Module (ADM800) Connection The AGM300 is connected to the ADM800 u

Instruction 3015-4275 11 Changing Terminator Settings The terminator switch is shipped from the factory in the terminated or “IN” position. This is t

A Instruction 3015-4275 Notice: Product improvements and enhancements are continuous; therefore the spec

12 Instruction 3015-4275 Multiple AGM’s MULTIPLE AGM300’S WITH ADM800 NOTE 1: The last AGM300 or ADM800 on either end of the network must have its

Instruction 3015-4275 13 MULTIPLE AGM300’s CONNECTED TO A BUILDING MANAGEMENT SYSTEM DAISY CHAIN FASHION RS-485

14 Instruction 3015-4275 7. Using the arrow keys go to EDIT; press ENTER – the EDIT Menu DROPS DOWN; select SYSTEM and then press ENTER – the AGM LO

Instruction 3015-4275 15 USB Type Laptops Some of the newer laptops have USB ports and no RS-232 9-pin ports. You will be required to purchase a PCMC

16 Instruction 3015-4275 AGM300 - Current Loop Interfaces Optional 4–20 mAdc Outputs Upon installation of the optional 4–20 mAdc Interface Board (Pag

Instruction 3015-4275 17 AGM300 - Connecting External Alarms Overview The AGM300 includes 4 Form C SPDT alarm contacts for the connection of external

18 Instruction 3015-4275 Typical AGM300 Relay 1 and Relay 2 Wiring Jumper th

Instruction 3015-4275 19 ADM800 Installation ADM800 Oblique Photo Upper & Lower Mounting Brackets Upper Mounti

20 Instruction 3015-4275 ADM800 - Installation Considerations Overview Up to four AGM300 monitors may be connected to a single ADM800 display module.

Instruction 3015-4275 21 ADM800 - Mounting Instructions Screw Locations The ADM800 should be installed plumb and level and securely fastened to a rig

Instruction 3015-4275 i Table of Contents INTRODUCTION...

22 Instruction 3015-4275 ADM800 - Interior Schematic Microcontroller Board CPU Reset Switch Main Board Ground Stud AC Power

Instruction 3015-4275 23 AC Power RS-485 Connectors Terminator Switches Relay Connector Fuses 1 Amp 250 VAC P/N 3015

24 Instruction 3015-4275 ADM800 - Electrical Wiring It is highly recommended that the ADM800 be connected directly to the AC power source, preferably

Instruction 3015-4275 25 ADM800 AC Input Power and Ground Connections

26 Instruction 3015-4275 ADM800 - Communication Connections AGM300 Network The ADM800 Ammonia Display Module is connected to the AGM300 network using

Instruction 3015-4275 27 Changing Terminator Switch Settings The terminator switch for the RS-485 “TO MONITORS” connector is shipped from the factory

28 Instruction 3015-4275 ADM800 - Connecting External Alarms Overview Two SPDT alarm contacts are available for the connection of external alarm devi

Instruction 3015-4275 29 ADM800 Operation ADM800 Exterior Schematic Display Screen Navigation Buttons Cursor Pad LED Indicators

30 Instruction 3015-4275 ADM800 - Overview The ADM800 displays comprehensive information about the AGM300 network status and enables complete program

Instruction 3015-4275 31 Display showing “WARM UP” ADM800 - Screen Displays When first powered up a splash screen appears indicating the serial numbe

ii Instruction 3015-4275 Introduction How to Use This Manual Thank you for investing in a BACHARACH Ammonia Gas Monitoring System. This manual provid

32 Instruction 3015-4275 ADM800 - System Programming Setup Parameters Before working with the AGM300 network, several global parameters must be defin

Instruction 3015-4275 33 ADM800 - Setup Programming Setting the Clock From the top level System Screen press the key adjacent to the date/time field

34 Instruction 3015-4275 Navigating to the 1st ADM Setup Screen From the top level System Screen press the ADM SETUP key to go to ADM Setup Screen #1

Instruction 3015-4275 35 Audible Alarm This parameter selects the function of the ADM800’s internal audible alarm. 1. Press the AUDIBLE ALARM key to

36 Instruction 3015-4275 Navigating to the 2nd ADM Setup Screen From ADM Setup Screen #1 press the MORE key to go to ADM Setup Screen #2. Press the B

Instruction 3015-4275 37 AGM300 - Setup Programming Navigating to the 1st and then 2nd AGM Setup Screen From the System Screen, press the key adjacen

38 Instruction 3015-4275 Location This is the name you assign to the AGM300 to identify its location. It may have up to 12 alphanumeric characters. 1

Instruction 3015-4275 39 Loop 2 Factor This sets the PPM scale factor for current loop number 2. To calculate the current output, multiply the scale

40 Instruction 3015-4275 Navigating to the 3rd AGM Setup Screen From AGM Setup Screen #2, press the MORE key to go to AGM Setup Screen #3. Press the

Instruction 3015-4275 41 ADM800 - Zone Setup Programming Navigating to the 1st Zone Setup Screen There are two ways to display Zone Setup Screen #1:

Instruction 3015-4275 iii Safety Precautions AC Power Supply Ensure the source voltage matches the voltage of the product before energizing the equip

42 Instruction 3015-4275 Average Temperature This temperature reading may be changed to the exact temperature at the sample point for greater accurac

Instruction 3015-4275 43 Spill Level This is the concentration level in PPM that will activate a spill alarm condition. 1. Press the SPILL LEVEL key

44 Instruction 3015-4275 General Operation Functional Overview Normally each AGM300 will sequentially perform measurements on its active zones withou

Instruction 3015-4275 45 Zone Hold Mode A zone can be placed on hold and continuously monitored for a length of time determined by the Zone Hold Time

46 Instruction 3015-4275 If the current Zone Screen appears normal, scroll through the displays using the NEXT/BACK keys or the UP/DOWN cursor keys u

Instruction 3015-4275 47 Working with the System Screen The System Screen provides a summary view of the entire AGM300 network. The boxes on the left

48 Instruction 3015-4275 Alarm Log From the System Screen press the key adjacent to the AGM300 unit that you wish to view. AGM Setup #1 Screen

Instruction 3015-4275 49 Fault Conditions If a system malfunction occurs, the yellow FAULT LED will glow. Additionally, an external alarm device may

50 Instruction 3015-4275 Working with Alarms Functional Overview If the PPM level for any zone exceed its designated spill, leak, or evacuate thresho

Instruction 3015-4275 51 Alarm Detail Screen To further investigate an alarm, press the adjacent key to go to the Alarm Detail Screen. Alarm Detail S

iv Instruction 3015-4275 Safety Precautions (Cont.) Installation Category Installation Category II, Pollution Degree II, as defined by UL. Altitude L

52 Instruction 3015-4275 Acknowledging Alarms Each pending alarm may require, depending upon selected alarm mode, acknowledgment before the system re

Instruction 3015-4275 53 Working with the Trend Screen Overview - Log Interval The AGM300 retains a data log of 100 measurements for each zone. The l

54 Instruction 3015-4275 Working with System Faults Functional Overview If a system malfunction occurs, the AGM300 will detect the problem and cause

Instruction 3015-4275 55 CRITICAL FAULTS • NO FLOW ON ZONE – Go to the System Screen (Page 47) and press the ZONES key. The Zone Screen (Page 44) wi

56 Instruction 3015-4275 Clearing System Faults If the fault condition is associated with an AGM300, the monitor will return to normal operation soon

Instruction 3015-4275 57 Working with the Calibration Screen Overview The Calibration Screen is used to adjust the IR sensor’s calibration factor. IM

58 Instruction 3015-4275 Calibration Procedure The CAL FACTOR is determined by sampling a known dilution of ammonia gas. The sample must be prepared

Instruction 3015-4275 59 Working with the Diagnostic Screen Overview The Diagnostic Screen displays reference values for use by repair technicians fo

60 Instruction 3015-4275 LINE 7: PPM – Parts Per Million is the volume concentration referenced to standard temperature and pressure and is computed

Instruction 3015-4275 61 Service Mode When activated, the Service Mode will disable a specific AGM300 unit for a specified length of time. The defaul

Instruction 3015-4275 v Functional Overview General Description The AGM300 is designed to support compliance to federal, state and local safety codes

62 Instruction 3015-4275 Notes:

Instruction 3015-4275 63 Appendix

64 Instruction 3015-4275 AGM300 / ADM800 Maintenance Warnings and Cautions WARNING - Always remove AC input power to the monitor before working on th

Instruction 3015-4275 65 Optional Accessories Intake Manifolds Up to three additional intake manifolds (P/N 3015-3419 & P/N 3015-3411) can be ins

66 Instruction 3015-4275 ADM800 - Logic Diagram

Instruction 3015-4275 67 RS-485 Communication Protocol Overview The following instructions are intended as a guide for integrating the AGM300 network

68 Instruction 3015-4275 AGM300 MODBUS RTU Operation Overview The AGM300 and ADM800 are equipped to communicate with other equipment using the MODBUS

Instruction 3015-4275 69 Notes on Network Topologies AGM300s may be connected directly to the MODBUS network or they may be connected to the network

70 Instruction 3015-4275 Summary of Registers Register Name Number Type Description System Data 0x0010h R/W AGM System Setup Data Status

Instruction 3015-4275 71 System Data Register Register 0x0010h R/W 54 bytes Variable Type Length Description Type UI 2 bytes Indicates EEPPRO

vi Instruction 3015-4275 AGM300 / ADM800 Refrigerant Gas Leak Monitor Mechanical Room Placement The ADM800 should be mounted ou

72 Instruction 3015-4275 Status Register Register 0x0011h R/W 10 bytes Variable Type Length Description Mode UC 1 byte Defines Operating Mode

Instruction 3015-4275 73 Zone Data Register 0x12xxh R/W 78 bytes Each zone for an AGM300 has a separate Zone data structure that is 78 bytes lon

74 Instruction 3015-4275 Notes on Alarms and Alarm Acknowledge The AGM300 can be operated in two different alarm acknowledge modes, Auto and Manual (

Instruction 3015-4275 75 Cal Data Register Register 0x0014h R/W 174 bytes Variable Type Length Description Factor Float 132 bytes 33 element

76 Instruction 3015-4275 Sensor Data Register Register 0x0016h R 82 bytes Variable Type Length Description Pressure Float 4 Manifold Pressur

Instruction 3015-4275 77 Release Zone Hold Register Register 0x0017h W 10 bytes Variable Type Length Description Rel_Hold * * See description of

78 Instruction 3015-4275 Fault Log Register Register 0x1900, 0x1901h R 302 bytes These registers contain the 20 most recent fault events, the

Instruction 3015-4275 79 Service Mode Register Register 0x001Bh W 10 bytes Variable Type Length Description Rel_Svc_Mode * * See description of

80 Instruction 3015-4275 PPM Register Register 0x001Eh R 32 bytes Variable Type Length Description PPM UI 32 bytes 16 Unsigned Integers that

Instruction 3015-4275 81 WARRANTY and SERVICE Warranty Subject to the terms herein, Seller warrants the original equipment cataloged or manufactured

Instruction 3015-4275 1 AGM300 Installation Upper Mounting BracketLower Mounting BracketWater Trap STANDARD ACC

82 Instruction 3015-4275 Return Procedure To return equipment to the factory for repair a Return Authorization (RA) number should be requested from t

Instruction 3015-4275 83 AGM300 - Specifications Product Type: Ammonia gas, multiple area infrared monitoring system for low level continuous monito

84 Instruction 3015-4275 ADM800 - Specifications Product Description: The ADM800 Ammonia Display Module provides remote programming, interrogation a

Instruction 3015-4256 85 Notes:

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