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Multi-Zone Gas Monitors

P/N: 3015-5074 Rev 11

Item Description

Part

Number

¼” to 6 mm Reducer Kit (10)

3015-5389 (10)

¼” to 6 mm Reducer Kit (8)

3015-5390 (8)

IR Bench Replacement Kit (HGM)

3015-4572

IR Bench Replacement Kit (AGM)

3015-4492

IR Bench Replacement Kit (CO

)

3015-4562

Universal Power Supply

3015-5523

Main PC Board Replacement

3015-5483

Key Pad PC Board

3015-5521

Display PC Board

3015-5522

Power Entry PC Board

3015-5524

Solenoid Valve Manifold Drive PC Board

3015-5542

5 Port Solenoid Block (for HGM and CO

: Zones 1-4 and purge port)

3015-5080

4 Port Solenoid Block (for HGM and CO

: Zones 1-4)

3015-5072

5 Port Stainless Steel Manifold (for AGM; Zones 1-4 and purge port)

3015-5081

4 Port Stainless Steel Manifold (for AGM: Zones 1-4)

3015-5073

Optional Acce ssories

Item Description

Part

Number

Interface Board, 4-20 mA

3015-5152

Variable Flow Regulator

3015-3849

Four Zone Expansion Kit (must order filters [3015-3411] in conjunction with kit)

3015-5171

Four Zone End-of-Line Filters Kit

3015-3411

Splitter Kit (2-way)

3015-5404

Splitter Kit (3-way)

3015-5405

Remote Loop Powered Display Assembly

3015-4992

Manifold Replacement Fittings

3015-5753

Surge Protectors

120 V

3015-4121

230 V

3015-5530

4-20 mA

3015-4123

Alarms

Audible/Visual 120 VAC

3015-3076

Audio-Visual Alarm, 18-28 VDC, Surface Mount

3015-5490

Audio-Visual Alarm, 18-28 VDC, Panel Mount

3015-5491

Audio Alarm, 18-28 VDC, Surface Mount

3015-5492

Audio Alarm, 18-28 VDC, Panel Mount

3015-5493

Annual Maintenance Kits

4 Zone (5 line end filters, 1 charcoal filter, 1 hydrophobic, 3 end-of-line water stop filters)

3015-5525

8 Zone (9 line end filters, 1 charcoal filter, 1 hydrophobic, 3 end-of-line water stop filters)

3015-5526

Содержание MultiZone

Страница 1: ... HGM MZ Halogen AGM MZ Ammonia CO2 MZ Carbon Dioxide Installation Operation Maintenance Instruction P N 3015 5074 Rev 11 August 2013 UL 61010 1 CAN CSA 22 2 No 61010 1 EN 14624 Product Leadership Training Service Reliability ...

Страница 2: ...GIVEN AND ACCEPTED IN LIEU OF I ANY AND ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND II ANY OBLIGATION LIABILITY RIGHT CLAIM OR REMEDY IN CONTRACT OR TORT WHETHER OR NOT ARISING FROM BACHARACH S NEGLIGENCE ACTUAL OR IMPLIED The remedies of the Buyer shall be limited to those provided herein t...

Страница 3: ... HGM Only 5 1 5 5 Suggested Location of Sampling Points 5 1 5 6 Locating a Remote Display Optional 6 1 6 Specifications 7 SECTION 2 INSTALLATION 9 2 1 Installation Considerations 9 2 1 1 Warnings and Cautions 9 2 1 2 Inspection 9 2 1 3 Location of the Monitor 9 2 1 4 Mounting Instructions 9 2 2 Connecting Gas Sample Lines 10 2 2 1 Overview 10 2 2 2 Tubing Considerations 11 2 2 3 Connecting Purge L...

Страница 4: ... 3 4 6 Detection Limit 27 3 4 8 Loop Mode 27 3 4 7 Loop2 Factor 27 3 4 9 Re Zero Mode 28 3 5 Navigating to the 3rd Setup Screen 28 3 5 1 Overview 28 3 5 2 Baud Rate 28 3 5 3 Node Address 28 3 5 4 Password 28 3 6 Additional Service Features 29 3 6 1 Service Timeout 29 3 6 2 DET Digipot 29 3 6 3 Node Address 30 3 6 4 Sensor Temperature Coefficient For Factory Use Only 30 3 6 5 Password 30 3 6 6 Acqu...

Страница 5: ...43 4 9 The Diagnostic Screen 44 4 9 1 Navigating to the Diagnostic Screen 44 4 9 2 Diagnostic Screen Overview 45 SECTION 5 MAINTENANCE 47 5 1 Replacement Parts Overview 47 5 2 Replacement Parts and Optional Accessories 48 5 3 Troubleshooting 50 APPENDIX A RECOMMENDED REFRIGERANT GAS ALARM SETTINGS 53 APPENDIX B RS 485 COMMUNICATIONS PROTOCOL 55 B 1 Overview 55 B 2 MODBUS RTU Protocol 55 B 3 MZ MOD...

Страница 6: ...582 Bytes 62 B 3 20 Service Mode Register 0x001B 27 Dec W 10 Bytes 63 B 3 21 Release Service Mode 0x001C 28 Dec W 10 Bytes 63 B 3 22 MZ Service Mode 63 B 3 23 PPM Register 0x001E 30 Dec R 32 Bytes 63 B 3 24 Zone Log Registers 0x3xyy R 1502 Bytes 63 B 3 25 MODBUS Exception Responses 64 B 3 26 MODBUS Gas Enumeration 64 APPENDIX C SYSTEM MENU MAP 65 APPENDIX D AGENCY APPROVALS 67 APPENDIX E SERVICE C...

Страница 7: ...his symbol and or the use of the word CAUTION indicates a potential hazard associated with the use of this equipment It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in minor or moderate injury IMPORTANT The use of the word IMPORTANT in this manual calls attention to a procedure practice condition or the like which if not ...

Страница 8: ...remove AC power before opening the monitor s enclosure WARNING The protection provided by the monitor may be impaired if the monitor is used in a manner not specified by Bacharach Inc Modifications to this monitor not expressly approved will void the warranty WARNING Do not continue to use this equipment if there are any symptoms of malfunction or failure In the case of such occurrence de energize...

Страница 9: ...et Halogen Gas Monitor Only 3015 2969 1 Multi Zone Instruction Manual 3015 5074 1 5 Functional Overview 1 5 1 General Description Gas monitors are specified to support compliance to federal state and local safety codes governing emissions Avoiding significant loss reduces equipment replacement costs maintains equipment efficiency promotes safety and protects the environment The Bacharach Multi Zon...

Страница 10: ...t users However the ppm levels generated by system leaks into the environment are greatly influenced by the volume of air in the sampling area air circulation size of the leak distance to the monitoring point and a host of other variables In some cases the set points may need to be adjusted either up or down to achieve effective monitoring 1 5 4 Response to the Presence of Multiple Refrigerants HG...

Страница 11: ...moke test of the mechanical room to determine the best locations The smoke test provides the pattern of air currents present in the mechanical room The MZ monitor should be kept dry When used in a wet or humid area it is highly recommended to use the optional water stop accessory to avoid internal damage 1 5 6 Locating a Remote Display Optional The Remote Display RD Module should be mounted outsid...

Страница 12: ...FC HFP R 11 R 12 R 113 R 114 R 502 HFC R125 R 134a R236FA R245Fa R32 R 404a HP62 R 407a R 407c AC9000 R 410a AZ20 R422a R422d R427a R 507 AZ50 R 508b SUVA95 HCFC R 123 R 124 R21 R 22 R227 R 23 R 401a MP39 R 402a HP80 R 402b HP81 R 408a R 409a R 500 R 503 Halon H1211 H1301 H2402 Other FA188 FC72 H1234YF N1230 R424A R426A R438A CUSTOM AGM MZ Specifications Product Type The AGM MZ provides multiple a...

Страница 13: ...Less than 40 dB A 10 feet 3m Monitoring Distance 1 200 ft 366 m maximum for combined length of sample exhaust tubing each zone Conditioned Signal Dual optional 4 20 mA DC isolated outputs Channel 1 zone area Channel 2 PPM Alarms Four SPDT alarm contacts rated 2A at 250 VAC inductive 5 A at 250 VAC resistive Three are assigned to PPM level alarms one assigned to system faults Communications Full tw...

Страница 14: ...he monitor for loose components that may have become dislodged during shipment If damage is discovered please contact the nearest Bacharach Service Center for assistance 2 1 3 Location of the Monitor The MZ monitor should be centrally located in the facility and should be easily accessible for visual monitoring and servicing Combined length of the intake sample line and the exhaust line cannot exc...

Страница 15: ...unting surface and allow it to slide down engaging the screw heads in the keyhole slots of the mounting brackets Adjust the screws as necessary to hold the monitor securely against the mounting surface 2 2 Connecting Gas Sample Lines 2 2 1 Overview Individual gas sample lines are run from the MZ monitor to each area of the facility to be monitored Additionally a purge line is installed to provide ...

Страница 16: ...nnector Refer to the figures at the left To remove tubing from a PTC connector push and hold the spring loaded collar inwards then simultaneously withdraw the tubing Refer to the figures at the right Figure 2 3 Using PTC Connectors Connecting Left and Disconnecting Right All tubing bends should have a radius of no less than 5 12 7 cm to ensure proper airflow If kinks or obstructions occur in any o...

Страница 17: ...sily installed to increase monitoring capacity field installation kit P N 3015 5171 and 4 zone line end filter kit P N 3015 3411 Sample intake lines can be up to 1 200 feet 366 m when no exhaust tubing is used Otherwise the combined length of the sample line and the exhaust line cannot exceed 1 200 ft 366 m All line terminations should be positioned to reduce the possibility of mists aerosols oil ...

Страница 18: ...trap P N 0007 1655 which is manually emptied once it has become filled Install the water trap close to the unit for the most effective results The intake line may be cut where the user finds appropriate preferably close to monitor Each side of the intake line should be inserted into the receivers on either side of the water trap Secure tightly A replacement filter P N 0007 1656 for the water trap ...

Страница 19: ...y to the AC power source preferably on its own circuit The AC power connection should be completed with UL listed 3 conductor wire minimum 16 AWG rated 300 VAC at 105 C Locate a convenient service knockout and install electrical conduit in the typical manner Locate the AC input terminals and ground stud on the inside of the monitor Secure the incoming AC power neutral white blue and live black bro...

Страница 20: ...icable to this type of equipment IMPORTANT Drilling holes in the MZ enclosure may damage the unit and will void the warranty Please use the knockouts provided for electrical connections A switch or circuit breaker rated 1 0 A 250 VAC must be attached to the monitor s AC power leads This switch must also be located in close proximity to the monitor and be in easy reach of the operator This switch s...

Страница 21: ...RS 485 TO MONITORS connector using the same color code as used on the MZ 2 5 2 Integrating with Building Management Systems The MZ may be connected directly to a Building Management System using a shielded twisted pair cable The cable from the Building Management System is connected to the RS 485 connector inside the MZ monitor MODBUS RTU is the standard communications protocol Use any of the rema...

Страница 22: ...the terminator must be moved to the IN position Locate switch 4 and determine its position If it must be moved slide the switch to the appropriate position Note that switches 1 3 are for service use Figure 2 7 Termination Switches 2 5 5 Personal Computer The MZ may be connected to a personal computer using the RS 232 interface on the left side of the enclosure Software will be provided upon reques...

Страница 23: ...The MZ monitor may be connected to a Building Management System via the RS 485 connector The node address on each MZ monitor may be set from 1 to 15 in order to identify itself to the Building Management System NOTE Building Management Systems set to a 0 or 1 address both respond to messages from the RD as address 1 therefore you should not have a unit set to 0 and another set to 1 on the same net...

Страница 24: ...ings for Multiple Monitors Connected to a BMS Two Trunks Figure 2 10 Termination Settings for Multiple Monitors Connected to a BMS Daisy Chain 2 8 PC Software 2 8 1 Operation NOTE The MZ is compatible with HGM300 PC software version 1 52 and higher However calibration data can only be edited on the front panel of the MZ not through the PC software or RDM units ...

Страница 25: ... on CO2 models a Clearing Purge Line message is displayed for approximately 2 5 minutes before warm up begins 2 Connect RS 232 interface cable to the PC and RS 232 port on the MZ monitor 3 Insert software disk into the PC 4 Open the MZ software using Windows Explorer 5 Upon start up the program will immediately attempt to download data from the MZ as indicated by several beeps Navigate using your ...

Страница 26: ...le to a Microsoft Excel File Open Excel and the desired file Select Delimited format and Space as the delimiter Select General as the column data format The text file will display as an Excel file When saving change the file name extension to xls Comments or notes may be added to this file as needed and saved 2 8 5 Saving and Printing Screens and Logs Open the software while connected to the MZ Af...

Страница 27: ...ea Loop 2 indicates PPM The 4 20 mA outputs are scaled to correspond to individual zone numbers and PPM concentrations Scaling for the 16 maximum zone numbers is fixed see table below The default scaling for the PPM concentrations provides a 0 1000 PPM range for the 4 20 mA output although it can be adjusted through the LOOP2 FACTOR option in the SYSTEM SETUP screen Refer to the tables below Loop ...

Страница 28: ...nnections of the 4 20 mA DC output connector are common NOTE The 4 20 mA DC output connector are SIGNAL OUT ONLY DO NOT APPLY POWER NOTE It is highly recommended that a current loop isolator is used when connecting to the 4 20 outputs Bacharach recommends the Dataforth DSCL 21 Loop powered isolator DIN mount More detailed information can be found at www dataforth com NOTE When one or both current ...

Страница 29: ...maining service knockouts to gain cable access to the interior of the monitor Locate the relay connector see Figure 2 3 on page 13 and remove it from the circuit board Secure the leads to the connector orienting them as shown in the diagram below When you are through securing the connections carefully plug the connector back onto the circuit board Figure 2 13 MZ Monitor Relay Connector Each relay ...

Страница 30: ... to the NO terminal of whichever level of alarm is appropriate for the application For protection install an in line fuse of the appropriate size and design for the external alarm device being used The other end of the strobe or horn is connected to the Neutral Negative leg of the external power source DC devices or monitor s AC input AC devices Figure 2 14 Typical AC External Alarm Relay 1 Wiring...

Страница 31: ...inute warm up cycle the MONITOR ON light will glow steadily and the Data Display screen will be displayed See Appendix C for an overview map of the screens in the system 3 2 Data Display Screen Figure 3 1 Data Display Screen and Front Panel Keypad 3 3 Navigating to the 1st Setup Screen From the Data Display Screen press the UP or DOWN arrow key SETUP will be highlighted in the first box Press ENTE...

Страница 32: ...NTER to accept the new number or ESC to revert to the previous setting 3 4 3 Alarm Acknowledge Mode This function programs the relays in the unit for latching or non latching operation 1 Press the ENTER key to adjust the setting Use the UP DOWN cursor keys to toggle between settings AUTO Non latching Alarm relay will automatically de energize when the gas level drops below its alarm point MANUAL L...

Страница 33: ...s sampled This continues in a cyclic fashion through each zone Note that this example assumes LOOP2 Factor was left at its default value 0 016 This can be adjusted through the LOOP2 FACTOR option in the SYSTEM SETUP screen In highest concentration PPM mode the MZ adjusts the two current outputs to correspond to the zone number that has the highest PPM concentration and the corresponding value of t...

Страница 34: ...em Setup Screen 3 NOTE The RS485 BAUD rate text is replaced by Service Timeout when in Service Mode 3 5 2 Baud Rate This parameter defines the baud rate for the RS 485 communications port 1 Press the ENTER key to adjust the setting 2 Use the cursor keys to scroll through a list of available baud rates to select the desired baud rate 3 Press ENTER to accept the new entry or ESC to revert to the pre...

Страница 35: ...rvice mode options from the initial Data Display Screen Press the SERVICE MODE ENTRY option twice within 3 seconds To exit the Service Mode again press the SERVICE MODE ENTRY option twice within 3 seconds Several features can be viewed on the System Setup Screen 3 when the monitor is placed in service mode While in service mode the user can identify the model number set digipot values and sensor t...

Страница 36: ...use only Changing this setting will void the calibration 3 6 7 IR Digipot This option indicates the electrical parameters of the infrared emitter 3 7 Establishing the CO2 Sensor Baseline At power up an automatic zeroing sequence establishes the CO2 sensor baseline At that time the MZ assumes the default ambient CO2 level of 386 ppm However if the purge line wasn t connected to the instrument or th...

Страница 37: ...atter this simply means that the more complicated the network the longer it will take the RD to update the status information for all zones 4 2 The Zone Setup Screen From System Setup Screen 2 scroll down to select the ZONES option Figure 4 1 Zone Setup Screen 1 4 2 1 Location This is the name you assign to the MZ monitor to identify the zone location It may have up to 12 alphanumeric characters 1...

Страница 38: ...of the selected gas 4 2 6 Log Interval The MZ retains a data log of 100 measurements for each zone The log interval is the number of minutes from 1 to 1440 between each log point This parameter can be changed from Zone Setup Screen 1 The default setting for this parameter is 10 minutes If the log interval time is set to 0 then a measurement is recorded in the trend log after every measurement cycl...

Страница 39: ... alarm condition 1 Press the ENTER key to adjust the value 2 Use the UP DOWN cursor keys to modify the setting 3 Press ENTER to accept the new entry or ESC to revert to the previous setting NOTE The evacuation level value must be greater than the spill level 4 3 4 Re Setting the Peak PPM Value Pressing this key resets the current peak PPM level stored in memory and displays it at the top of the sc...

Страница 40: ...e bottom of the screen to permit access to that additional information Each box displays the zone number zone name and the current PPM reading A flashing box indicates an alarm that has not been acknowledged A static box represents an alarm that has been acknowledged but has not yet been cleared from the system 4 4 3 Alarm Detail Screen To further investigate an alarm press the ENTER key to go to ...

Страница 41: ...ociated with a given MZ monitor are acknowledged its RED LED will turn off and any external alarms connected to the MZ relays will de activate All pending alarms across the entire network must be acknowledged before the Remote Display returns to normal operation Once that occurs its RED LED will turn off and any associated external alarms connected to the RD relays will de activate Keep in mind th...

Страница 42: ...malfunction occurs the yellow FAULT LED will glow Additionally an external alarm device may activate and an audible alarm may sound if those features have been enabled see Connecting External Alarms on page 23 and Audible Alarm on page 26 The next time the Remote Display polls the affected monitor its yellow FAULT LED will also glow Additionally an external alarm device may activate and an audible...

Страница 43: ...rmal operation the next time that it polls the MZ NO FLOW ON PURGE 1000 Check the purge line for a blockage Verify that the length of the purge line and exhaust line do not exceed 500 feet in length CLIPPING FAULT 8000 The detector voltage may be out of tolerance For information on troubleshooting this type of fault refer to section 5 3 on page 50 REZERO VOLT TOL 4000 The detector output voltage i...

Страница 44: ...n 1 Number of MZ monitors on Network field Check that the number of zones installed for each MZ unit and the actual number of MZ units on the network are properly programmed Check to ensure that the manifold solenoid cable connector in each MZ unit is securely fastened to its terminal connector If necessary reset to the factory default settings 4 5 5 Reset to Factory Default Settings IMPORTANT Per...

Страница 45: ...ou move the bar horizontally using the LEFT RIGHT cursor keys the date and time the fault condition was detected is displayed in the upper right hand corner of the display window NOTE Anytime the fault status changes there is an entry in the fault log both when the fault occurs and when it is cleared NOTE The Fault Log can be reset by pressing a combination of the ENTER and RIGHT arrow buttons whi...

Страница 46: ...the PPM value are displayed at the top of the screen above the graph The trend graph is automatically scaled to accommodate the largest PPM value displayed The ZOOM OUT and ZOOM IN options allow you to adjust the vertical scale of the graph The trend data is stored on a first in first out basis After 100 trend values have been stored the 101 st value will replace the first value stored Therefore i...

Страница 47: ...y initially setting its CAL FACTOR to 1 000 Next set up the MZ for a logging interval of zero minutes and place the MZ monitor in its zone hold mode for the zone you wish to use for calibration purposes Connect the sample bag directly to the intake port for the zone you have set up and allow the MZ monitor to sample the entire bag When sampling is complete view the trend data for the zone used to ...

Страница 48: ...2 Ensure the GAS TYPE setting is selected see Figure 4 12 and press ENTER 3 CO2 calibration curve options are displayed Simply press ENTER to access the ambient CO2 concentration setting PPM IN PURGE See Figure 4 12 4 Use the UP DOWN cursor keys to modify the numbers to set to the appropriate value 5 Press ENTER to accept the new entry or ESC to revert to the previous setting Figure 4 12 Accessing...

Страница 49: ... new CAL Factor as received from Bacharach 4 8 Zone Hold Mode A zone can be placed on hold and continuously monitored for a length of time determined by the Zone Hold Time value To place a zone on hold select the zone at the main run screen then press and hold down the ENTER key until the unit beeps The word HOLDING will appear in the status box While in the hold mode further investigation of the ...

Страница 50: ...lti 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 select the Diagnostic option DIAG Figure 4 14 Diagnostic Screen ...

Страница 51: ...er Million is the volume concentration referenced to standard temperature and pressure and is computed from the Average Absorbency Zero Temperature and Ambient Pressure There are two figures displayed The first annotated by a B is the actual PPM at the IR bench The second is a PPM reading normalized to standard temperature and pressure ZERO Zero Temperature Displays the sensor and enclosure temper...

Страница 52: ...Multi Zone Gas Monitors 46 P N 3015 5074 Rev 11 ...

Страница 53: ...or after the monitor has been exposed to unusually high levels of refrigerant gas such as after an evacuation alarm Hydrophobic Filter 0007 1650 The hydrophobic filter prevents water from entering the IR detector A zone flow fault will occur fault code 0800 if this filter becomes blocked Replace the hydrophobic filter as required P N 0007 1650 Air Line Tubing 0304 2743 0304 2742 The gas sample lin...

Страница 54: ...Z monitor to increase the total capacity to 16 zones Each manifold requires a 4 zone line end filter kit 3015 3411 Follow the instructions provided to install the manifolds Then follow the instructions earlier in this manual to install the air lines and complete the zone programming steps The MZ setup must also be updated to recognize the new zones 3015 5595 Stainless steel version of 3015 5171 4 ...

Страница 55: ...5 5073 Optional Accessories Item Description Part Number Interface Board 4 20 mA 3015 5152 Variable Flow Regulator 3015 3849 Four Zone Expansion Kit must order filters 3015 3411 in conjunction with kit 3015 5171 Four Zone End of Line Filters Kit 3015 3411 Splitter Kit 2 way 3015 5404 Splitter Kit 3 way 3015 5405 Remote Loop Powered Display Assembly 3015 4992 Manifold Replacement Fittings 3015 5753...

Страница 56: ...ations Kit 3015 5606 5 3 Troubleshooting Certain critical faults may be corrected by checking and adjusting the detector voltage and or emitter power These faults include CLIPPING FAULT 8000 REZERO VOLT TOL 4000 OVER RANGE DETECTED 2000 GAIN SET FAULT 0200 To troubleshoot any of the above faults use the procedure listed below 1 With the monitor in either Warm Up Mode flashing green LED or Sampling...

Страница 57: ...n to step 6 to lower the IR emitter setting If the IR emitter setting is 450 20 mW adjust the new IR emitter setting to 375 20 mW Repeat step 8 with the new IR emitter setting 10 Press ESC to save 11 Press ESC to get to the System Menu Scroll to Service Mode and press ENTER twice to leave Service Mode Press ESC once and allow the instrument to complete a pressure check and purge cycle approximatel...

Страница 58: ...Multi Zone Gas Monitors 52 P N 3015 5074 Rev 11 ...

Страница 59: ...34YF 100 300 500 R408A 100 300 500 HFP 100 300 500 R407C 100 300 500 N1230 100 300 500 R409A 100 300 500 NH3 R 717 50 150 300 R410A 100 300 500 R11 100 300 500 R422A 100 300 500 R12 100 300 500 R422D 100 300 500 R21 100 300 500 R424A 100 300 500 R22 100 300 500 R426A 100 300 500 R23 100 300 500 R427A 100 300 500 R32 100 300 500 R438A 100 300 500 R113 100 300 500 R500 100 300 500 R114 100 300 500 R...

Страница 60: ...Multi Zone Gas Monitors 54 P N 3015 5074 Rev 11 ...

Страница 61: ...e MZs through the RD NOTE This document was written with the assumption that the reader is familiar with the various setup parameters and operational modes for the Multi Zone B 3 2 Protocol Details A 2 wire RS 485 bus is used for transmission therefore communications occurs in a Half Duplex mode The MZ is a slave device and will respond to queries in the MODBUS RTU format from a master device Two ...

Страница 62: ...y the MZ monitor B 3 4 Network Topologies MZ monitors may be connected directly to the MODBUS network or they may be connected to the network through a Remote Display In either case each MZ monitor must have a unique node ID Up to 15 MZ monitors can be connected directly to the MODBUS network If MZ monitors are accessed via an RD connected to a MODBUS network the RD BMS enabled parameter must be s...

Страница 63: ...6 R W System Setup Data Status 0x0011 17 R W Operating summary of faults alarms and status Zone Data 0x12xx 4609 4630 R W Setup data for up to 16 zones xx defines zone number CAL Data 0x0014 20 R W Cal Factors for all gases Date Time 0x0015 21 R W Set MZ date time Sensor Data 0x0016 22 R Raw measurementof sensors Rel Hold 0x0017 23 W Release MZ out of hold mode Hold Zone 0x0018 24 W Put MZ into ho...

Страница 64: ...or equal this value will read as 0 PPM DEFAULT 0 PPM Avg_Size UC 1 byte Size of running average used in computing PPM value DO NOT MODIFY Loop2_factor Float 4 bytes Defines PPM current loop output DEFAULT 0 16 mA PPM Serv_Mode_TO UI 2 bytes Service Mode Timeout value in minutes DEFAULT 60 MINUTES RS485_BAUD UI 2 bytes BAUD RATE for RS 485 connection between RD and MZ monitor or MODBUS master and M...

Страница 65: ...x1201h Variable Type Length Description Location C 13 bytes 13 byte array Alpha Numeric Description or Name of Zone Flow OK UC 1 byte Status of Flow check Value of 1 indicates flow check is good DO NOT MODIFY Refrigerant Type UC 1 byte See note 1 Below DEFAULT R134a Distance UI 2 bytes Zone Tubing Length in feet DEFAULT 100 feet approx 30 5 meters Zone Temp I 2 bytes Average temperature at zone de...

Страница 66: ...arm condition occurs an MZ alarm will be created In order for the alarm to be removed the MODBUS master will write a 0 to the ALARM parameter in the ZONE register This will cause the alarm to be silenced in the MZ monitor i e the alarm relays will return to their normal state and the ALARM lamp will be extinguished The next time the zone with the alarm condition is sampled if the alarm condition s...

Страница 67: ... Running Average of absorbance level Bench_PPM Float 4 PPM in bench based on zone gas selection uncorrected for pressure and temperature STP_PPM Float 4 PPM corrected to STP 1 atm 25 deg C Bench_UML Float 4 Micromoles liter in bench uncorrected Ambient_UML Float 4 Micromoles liter corrected to ambient pressure B 3 14 Release Zone Hold Register 0x0017h 23 Dec W 10 Bytes Variable Type Length Descrip...

Страница 68: ...Log Register 0x001F 31 Dec R 142 Bytes Variable Type Length Description Flow Event UI 40 bytes 20 most recent flow fault events Each bit of the unsigned int represents a zone and a 1 indicates no flow Zero indicates flow Purge Flow Event UC 20 bytes 20 most recent flow fault events where a 1 indicates no flow Zero indicates flow Time TIM 80 bytes Time date stamps for 20 most recent logged flow eve...

Страница 69: ...to the MZ unit using PRESET MULTIPLE REGISTER COMMAND to the RELEASE SERVICE MODE REGISTER 0x001Ch B 3 23 PPM Register 0x001E 30 Dec R 32 Bytes Variable Type Length Description PPM UI 32 bytes 16 Unsigned Integers that represent the PPM values for each MZ monitor zone NOTE 16 values are returned independent of the number of actual zones installed in the unit The master device is required to know h...

Страница 70: ...e RD is not in the SYSTEM or ZONE VIEW screen B 3 26 MODBUS Gas Enumeration The following table provides decimal and hexadecimal MODBUS enumerations for supported refrigerant Refrigerant Gas DEC HEX Refrigerant Gas DEC HEX CO2 R 744 0 00 R508B 21 15 NH3 R 717 0 00 H1301 22 16 R11 0 00 R408A 23 17 R12 1 01 FA188 24 18 R22 2 02 R236FA 25 19 R23 3 03 N1230 26 1A R113 4 04 R227 27 1B R114 5 05 HFP 28 ...

Страница 71: ...Multi Zone Gas Monitors P N 3015 5074 Rev 11 65 APPENDIX C SYSTEM MENU MAP ...

Страница 72: ...Multi Zone Gas Monitors 66 P N 3015 5074 Rev 11 ...

Страница 73: ...Multi Zone Gas Monitors P N 3015 5074 Rev 11 67 APPENDIX D AGENCY APPROVALS ...

Страница 74: ...Multi Zone Gas Monitors 68 P N 3015 5074 Rev 11 ...

Страница 75: ... 10 reading accuracy range 1 000 ppm Max Sensitivity Threshold within Instrument Reading Range 10 000 ppm Zeroing Time from 1 000 ppm 12 seconds Zeroing Time from 10 000 ppm 25 seconds Reaction Time for detection of minimum threshold 12 seconds Min Sensitivity threshold once max threshold has been measured 1 ppm Repeatability at 500 ppm 1 of reading Based on a minimum tubing length of one foot ...

Страница 76: ...Multi Zone Gas Monitors 70 P N 3015 5074 Rev 11 ...

Страница 77: ...4 334 5051 Fax 724 334 5723 Email help MyBacharach com Canada Bacharach of Canada Inc 20 Amber Street Unit 7 Markham Ontario L3R 5P4 Canada Phone 905 470 8985 Fax 905 470 8963 Email support BachCan ca Europe Murco Limited a Bacharach Company 114a Georges Street Lower Dun Laoghaire Co Dublin Ireland Phone 353 1 284 6388 Fax 353 1 284 6389 Email sales murco ie ...

Страница 78: ...Multi Zone Gas Monitors 72 P N 3015 5074 Rev 11 ...

Страница 79: ...522 49 3015 5523 48 3015 5524 49 3015 5525 49 3015 5526 49 3015 5527 49 3015 5528 49 3015 5530 49 3015 5542 49 4 20 mA DC outputs loops 13 38 Interface Board 21 48 A A2D fault 37 59 absorbance 44 AC input power 2 8 13 14 23 24 38 47 48 disconnecting 9 removing prior to service 2 source 2 13 terminals 13 23 accessories 4 12 48 50 accuracy 7 acknowledging alarms 6 33 34 35 58 active diagnostics 5 ad...

Страница 80: ...relay 23 sample lines 10 contaminants 11 37 47 crimp on ring terminals 13 critical faults 37 38 current loop 22 38 board 4 fault 22 isolator 22 outputs 21 22 cycle time 32 D damage 1 3 6 9 14 21 47 preventing during shipment 13 shipping 9 data display screen 25 29 37 data point 40 date iii 8 34 36 39 40 48 57 60 62 DB25 to DB9 adapter 20 detection limit 27 detector connector 13 diagnostic screen 2...

Страница 81: ...anual 4 intake connectors 11 intake line s 11 12 condensation 12 max length 12 IR bench detector 13 29 replacement kit 48 IR digipot 30 IR source connector 13 isolated grounds 22 J J5 connector 13 J6 connector 13 jumper wire 22 K knockout s 3 9 13 15 22 23 L laptop 19 20 leak 4 6 19 23 26 33 42 53 58 59 60 62 alarm 33 level 33 LED s 4 8 35 36 38 length parameter 12 LINE 1 13 LINE 2 13 line end fil...

Страница 82: ...tion kit 49 R 22 gas cylinder and verification kit 49 RD See Remote Display Module RDM setup screen 1 38 reaction time 67 receive port 44 reducer kit 48 refrigerant 5 7 11 47 60 monitor vs analyzer 5 register address 44 relays 13 23 26 35 38 60 63 connectors 13 23 contacts 4 23 in the RD 6 rating 23 Remote Display Module 6 8 15 17 31 35 36 55 56 distance from MZ 6 max distance to MZ 15 remote moni...

Страница 83: ...nitors 17 terminating the cable shield 22 termination switches 13 terminator s 16 17 tolerance 37 transmit port 44 trend 20 32 38 40 41 55 graph 40 data 20 40 41 screen 32 35 40 tubing 8 11 12 45 47 48 67 bend radius 11 installing 11 length 32 44 removing 11 restrictions 5 twisted shielded pair 15 U UL classification 3 unused zones 12 disabling 5 UPS 2 upstream port 17 USB to serial converter 19 2...

Страница 84: ...Hunt Valley Circle New Kensington PA 15068 7074 Toll Free 800 736 4666 Tel 1 724 334 5000 FAX 1 724 334 5001 Website www MyBacharach com E mail help MyBacharach com Printed in U S A Registered Trademark of Bacharach Inc ...

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