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Summary of Contents for Bacharach MZ-RD
- Page 1 MZ-RD Remote Display Instruction 3015-5157 Installation / Operation / Maintenance Rev. 6 – December 2011 UL 61010-1 CAN/CSA 22.2 No.61010.1 Product Leadership • Training • Service • Reliability...
- Page 2 Bacharach, Inc. warrants to Buyer that it will convey good title to this Product. Bacharach's liability and Buyer's remedy under this warranty of title are limited to the removal of any title defects or, at the election of Bacharach, to the replacement of this Product or parts thereof that are defective in title.
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Page 3: Table Of Contents
MZ-RD – Multi-Zone Remote Display Table of Contents Chapter 1. Introduction ......................1 1.1. How to Use This Manual ........................1 1.2. 1 Warnings and Caution Labels ........................1 Hazard Symbols on the Monitor ............Error! Bookmark not defined. 1.3. Safety Precautions ........................... 1 Altitude Limit .................. - Page 4 MZ-RD – Multi-Zone Remote Display 3.3.9. Navigating to the 2 MZ-RD Setup Screen ............... 14 3.3.10. Setting Relay Parameters ....................14 3.3.11. Node Address ........................14 3.3.12. Navigating to the 1st and then 2nd Monitor Setup Screen ..........15 3.3.13. Navigating to the 3 Monitor Setup Screen ..............
- Page 5 MZ-RD – Multi-Zone Remote Display 4.10.1. Overview ........................... 33 4.10.2. Navigating to the Diagnostic Screen ................. 33 4.10.3. Diagnostic Screen Overview....................34 4.11. 35 Service Mode ............................35 Appendix A. Logic Diagram ......................38 Appendix B. Specifications ......................40 Appendix C. Agency Approvals ....................... 42 Appendix D.
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Page 7: Chapter 1. Introduction
INTRODUCTION 1.1. How to Use This Manual Thank you for investing in a Bacharach MZ-RD Remote Display. To assure operator safety and the proper use of the MZ-RD please read, understand, and follow the contents of this manual, which provides important information on the installation, operation, and maintenance of the monitor. -
Page 8: Communications Options
IMPORTANT: The protection provided by the remote display may be impaired if the remote display is used in a manner not specified by Bacharach, Inc. Modifications to this remote display, not expressly approved, will void the warranty. IMPORTANT: In case of malfunction, do not continue to use this equipment if there are any symptoms of malfunction or failure. -
Page 9: Chapter 2
WARNING: Shock hazard! Always disconnect AC power before working inside the monitor. CAUTION: Drilling holes in the MZ-RD enclosure may damage the unit and will void the warranty. Please use provided knockouts for electrical connections. CAUTION: The MZ-RD contains sensitive electronic components that can be easily damaged. -
Page 10: Mounting Instructions
The MZ-RD can be located up to 4500 feet (1372 m) from the furthest gas monitor. The MZ-RD is the main machine interface by which you can program the gas monitor, acknowledge alarms, and observe conditions inside the mechanical room. - Page 11 MZ-RD – Multi-Zone Remote Display securely against the mounting surface. Instruction 3015-5157...
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Page 12: Interior Components
MZ-RD – Multi-Zone Remote Display 2.5. Interior Components Instruction 3015-5157... -
Page 13: Electrical Wiring
Doing so poses a potential shock hazard, and is also a violation of electrical safety standards applicable to this type of equipment. CAUTION: Drilling holes in the MZ-RD enclosure may damage the unit and will void the warranty. Please use knockouts provided for electrical connections. -
Page 14: Communications Connections
Locate the RS-485 connector marked “TO MONITORS” in the MZ-RD. This connector is located on the bottom of the MZ-RD PC board, second from the right. Run the wire to the MZ-RD and connect the twisted shielded pair to the RS-485 TO MONITORS connector using the same color code as used on the gas monitor. -
Page 15: Connecting External Alarms
Use the AC conduit or any of the remaining service knockouts to gain access to the interior of the MZ-RD. Locate the relay connectors and remove them from the circuit board. Secure the wire leads to the connectors orienting them as shown in the diagram below. After connections are secured, carefully plug the connectors back onto the circuit board. -
Page 16: Chapter 3. Overview
CHAPTER 3. OVERVIEW 3.1. General The MZ-RD displays comprehensive information about the gas monitor network status and enables complete programming control of all system operations. When first powered up, a splash screen appears indicating the firmware revision number. After a brief moment the System Screen is displayed. -
Page 17: System Programming
Before working with the gas monitor network, several global parameters must be defined. Most of these are entered in the MZ-RD Setup Screens or via the PC software. Parameters must also be defined for each gas monitor connected to the network. These settings serve to identify each monitor and define how they operate. -
Page 18: Setup Programming
Select the ESC option to cancel all edits and revert to the previous setting. • Press ENTER to accept the current date/time setting. 3.3.2. Navigating to the 1 MZ-RD Setup Screen On the System Screen, select MZ-RD SETUP to access the MZ-RD Setup Screen #1. MZ-RD Setup Screen #1 Instruction 3015-5157... -
Page 19: Num Monitors On Net
3.3.3. Num Monitors on Net This is the number of gas monitors connected to the MZ-RD. NOTE: When first powered up, the MZ-RD will automatically detect all gas monitors on the network with unique node addresses. Refer to Gas Monitor Node Address. -
Page 20: Bms
3.3.9. Navigating to the 2 MZ-RD Setup Screen On MZ-RD Setup Screen #1, select MORE to access MZ-RD Setup Screen #2. Select BACK to return to MZ-RD Setup Screen #1. MZ-RD Setup Screen #1 MZ-RD Setup Screen #2 3.3.10. -
Page 21: Navigating To The 1St And Then 2Nd Monitor Setup Screen
MZ-RD – Multi-Zone Remote Display This value is the node address from 1 to 15 assigned to each gas monitor which is on the network. These values must match the settings on each gas monitor. 3.3.12. Navigating to the 1st and then 2nd Monitor Setup Screen From the System Screen, select the Multi-Zone unit you wish to set up to access that unit’s... -
Page 22: Navigating To The 3 Rd Monitor Setup Screen
MZ-RD – Multi-Zone Remote Display 3.3.13. Navigating to the 3 Monitor Setup Screen From Monitor Setup Screen #2, select the MORE option to go to Monitor Setup Screen #3. Select the BACK option to return to Monitor Setup Screen #2. To return to the System Screen, press ESC. -
Page 23: Zone Setup Programming
MZ-RD – Multi-Zone Remote Display 3.4. Zone Setup Programming 3.4.1. Navigating to the 1 Zone Setup Screen From the System Screen, access the Monitor screen for the selected zone. On the Monitor Screen, select ZONES. System Screen Monitor Screen The Zone Setup screen will be displayed. To return to the System Screen, press ESC. -
Page 24: Navigating To The
MZ-RD – Multi-Zone Remote Display 3.4.2. Navigating to the 2 Zone Setup Screen On Zone Setup Screen #1, select MORE to access Zone Setup Screen #2. Select BACK to return to Zone Setup Screen #1. To return to the System Screen, press ESC. - Page 25 MZ-RD – Multi-Zone Remote Display The trend graph opens with the cursor located over the most recent data point. Use the LEFT/RIGHT cursor keys to move the cursor to different data points. Holding a key down will cause the cursor to move rapidly across the screen. As you move the cursor position, the date and time of that reading, along with the ppm value, are displayed at the top of the screen above the graph.
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Page 26: Chapter 4. General Operation
This means that the more complicated the network, the longer it will take the MZ-RD to update the status information for all zones. To display all the zones being monitored, go to the System Screen and press the ZONES key. -
Page 27: Alarm Conditions
MZ-RD – Multi-Zone Remote Display 4.3. Alarm Conditions When an alarm condition is detected anywhere on the network the red alarm will glow. Additionally, an external alarm device may activate and an audible alarm may sound if those features have been enabled. -
Page 28: The System Screen
MZ-RD – Multi-Zone Remote Display Fault Screen 4.5. The System Screen The System Screen provides a summary view of the entire gas monitor network. The boxes on the left side of the screen indicate the status of each gas monitor. This includes the name, the current zone, and if fault or alarm conditions are present on the network. -
Page 29: Alarm Log
MZ-RD – Multi-Zone Remote Display System Screen (Alarm Mode) Alarm Condition 4.5.2. Alarm Log From the System Screen, access the gas monitor you wish to view. System Screen Monitor Setup #1 Screen Select the ALARM EVENT LOG option and press ENTER to display the Alarm Log Screen. -
Page 30: Fault Conditions
MZ-RD – Multi-Zone Remote Display Alarm Log Screen L=LEAK S=SPILL E=E VACUATE Use the key pad left/right keys to move through the log. Use the LEFT/RIGHT and UP/DOWN cursor keys to move through the log. The Alarm log shows the last 20 alarm events. An alarm event is the occurrence of any alarm, any change in alarm level, or the clearing of any alarm. -
Page 31: Alarms
Additionally, an external alarm device may activate and an audible alarm may sound if those features have been enabled. The next time the MZ-RD polls the affected monitor, its red ALARM LED will glow. Additionally, an external alarm device may activate and an audible alarm may sound if those features have been enabled. -
Page 32: Alarm Detail Screen
MZ-RD – Multi-Zone Remote Display 4.6.3. Alarm Detail Screen To further investigate an alarm, select the alarm on the Alarm Summary screen, then press ENTER to access the Alarm Detail Screen. Alarm Detail Screen The Alarm Detail Screen displays more comprehensive information about the nature of the alarm including: •... -
Page 33: The Trend Screen
All pending alarms across the entire network must be acknowledged before the MZ-RD returns to normal operation. When that occurs, its RED LED will turn off and any associated external alarms connected to the MZ-RD relays will de-activate. -
Page 34: System Faults
FAULT LED to glow. Additionally, an external alarm device may activate and an audible alarm may sound if those features have been enabled. The next time the MZ-RD polls the affected monitor its yellow FAULT LED will also glow. Additionally, an external alarm device may activate and an audible alarm may sound if those features have been enabled. -
Page 35: Navigating To The Fault Screen
The gas monitor will clear the fault the next time it polls the effected zone and the MZ-RD will return to normal operation the next time that it polls the gas monitor. -
Page 36: Non Critical Faults
• CONFIG FAULT – There is an error in Monitor Setup Screen #2 – Number Zones Installed field, or in MZ-RD Setup Screen #1 – Number of monitors on Network field. Check that the number of zones installed for each unit and the number of units on the network are properly programmed. -
Page 37: Clearing System Faults
MZ-RD – Multi-Zone Remote Display Resetting the MZ-RD – Occasionally it will be necessary to rest the MZ-RD to its factory default settings. 1. Press and hold down the UP and DOWN arrow keys on the MZ monitor. 2. Cycle AC power OFF, then ON;... -
Page 38: The Calibration Screen
MZ-RD – Multi-Zone Remote Display 4.9. The Calibration Screen NOTE: Calibration cannot be performed on the remote device. Information for performing this procedure on the main monitor is provided below. 4.9.1. Overview The Calibration Screen is used to adjust the calibration factor for each refrigerant gas. It is also used to program the instrument for new gasses. -
Page 39: Adjusting Calibration Factor
MZ-RD – Multi-Zone Remote Display Calibration Screen 4.9.3. Adjusting Calibration Factor The factory default cal factor for standard units is 1.000. This value may be different if the high accuracy option is ordered. Modifications to calibration must be done on each monitor. If calibration is attempted from the MZ- RD unit, the “Use monitor front panel interface to adjust calibration”... -
Page 40: Diagnostic Screen Overview
MZ-RD – Multi-Zone Remote Display Diagnostic Screen 4.10.3. Diagnostic Screen Overview The Diagnostic Screen contains sensor data and status information useful for trouble shooting various fault conditions. An explanation of each line of this screen is given below along with normal operating ranges. -
Page 41: Service Mode
MZ-RD – Multi-Zone Remote Display Field Name Description Parts Per 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. - Page 42 MZ-RD – Multi-Zone Remote Display System Screen Monitor Setup Screen #1 IN SERVICE System Screen (Service Mode) CONFIRM/QUIT Monitor in Service Mode Instruction 3015-5157...
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Page 44: Appendix A. Logic Diagram
MZ-RD – Multi-Zone Remote Display APPENDIX A. LOGIC DIAGRAM ZONE SCREEN SYSTEM SCREEN DIAG MZ-RD MONITOR ALARMS FAULTS CLOCK CALIBRATE SETUP #1 SYSTEM ALARM FAULT MZ-RD MONITOR DETAIL DATA LOG SETUP #2 SETUP ZONE SETUP #1 ZONE TREND SETUP #2... - Page 45 MZ-RD – Multi-Zone Remote Display Instruction 3015-5157...
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Page 46: Appendix B. Specifications
Product supports compliance to ANSI/BSR ASHRAE 15-2007 and ASHRAE Safety Code Description 34-2007. The MZ-RD accepts inputs from up to four gas monitors. It offers a wide Inputs variety of displays and can fully program any associated monitor. Display Back lit LCD. - Page 47 MZ-RD – Multi-Zone Remote Display MZ-RD Specifications (HxWxD) Weight 5 lbs. (2.3 kg) AC Power 100 to 240 VAC, 50/60 Hz, 20 W Mounting Wall mount Certification UL 61010-1, CAN/CSA 22.2 No. 61010-1 & CE Mark Warranty 2 years from date of shipment...
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Page 48: Appendix C. Agency Approvals
MZ-RD – Multi-Zone Remote Display APPENDIX C. AGENCY APPROVALS Instruction 3015-5157... - Page 49 MZ-RD – Multi-Zone Remote Display Instruction 3015-5157...
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Page 50: Appendix D. Service Centers
MZ-RD – Multi-Zone Remote Display APPENDIX D. SERVICE CENTERS Replacement parts and service can be obtained by contacting one of the following Bacharach Service Centers. United States Bacharach, Inc. 621 Hunt Valley Circle New Kensington, PA 15068-7074 Phone: 724-334-5000, 800-736-4666 Fax: 724-334-5723 Email: help@MyBacharach.com... - Page 51 MZ-RD – Multi-Zone Remote Display Headquarters: 621 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. Instruction 3015-5157...
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