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Bacharach MVR-SC User Manual

Refrigerant leak monitor system controller for mvr-300 refrigerant detectors
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1100-2294 Rev 1
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Summary of Contents for Bacharach MVR-SC

  • Page 1 1100-2294 Rev 1...
  • 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.

  • Page 3: Table Of Contents

    Navigation Icons 2.1.3 Status Icons 2.1.4 Floor List 2.1.5 Room/Device list (each floor) 2.1.6 Settings System Components 2.2.1 MVR-SC Refrigerant Leak Monitor 2.2.2 MVR-300 VRF Refrigerant Leak Detector 2.2.3 Ethernet Network Switch 2.2.4 Gateway 2.2.5 Modbus EZ-Wire Kit Hardware Overview Installation...
  • Page 4 Commissioning. Method 1: Modbus ID Auto-assign Method 2: Set Modbus ID Manually Operation Overview of Normal Operation Alarm Detection Fault Detection Communication (Comm.) Error Event History Service Mode Screen Additional Information Disposing of the Instrument Service Center Locations 1100-2294 Rev 1...

  • Page 5: Introduction

    1 Introduction 1.1 About this Manual Thank you for investing in a Bacharach MVR-SC Refrigerant Leak Monitor. To ensure operator safety and the proper use of the gas detector, please read the contents of this manual for important information on the operation and maintenance of the instrument.

  • Page 6: General Safety Statements

    Ensure that all product documentation is retained and available to anyone operating the instrument. IMPORTANT: The MVR-SC must be installed by a suitably qualified technician who will install this unit in accordance with these instructions and the standards in their industry / country. This document is only intended as a guide, and the manufacturer bears no responsibility for the installation or operation of this unit.

  • Page 7: Product Description

    2 Product Description The MVR-SC Refrigerant Leak Monitor provides centralized monitoring and alarming for multi- occupant applications utilizing the MVR-300 Refrigerant Leak Detectors. The MVR-SC continuously monitors all connected devices for alarm and fault conditions and will provide alerts via the integrated color touchscreen and built-in relays.

  • Page 8: Navigation Icons

    2.1.2 Navigation Icons Most screens have the following menu icons: Icon Icon Name Home Alarm list Fault list Comm Error Floor list 2.1.3 Status Icons Each floor and room will use the following status icons: Icon Icon Name Alarm Fault Comm Error Normal Not yet commissioned...

  • Page 9: Floor List

    2.1.4 Floor List Each floor will designate the highest severity status from all devices on that floor. Figure 2 - Floor List 2.1.5 Room/Device list (each floor) Detailed view for each MVR-300 / room in the system grouped on a given floor. Figure 3 - Room/Device List 1100-2294 Rev 1...

  • Page 10: Settings

    This screen is passcode protected to avoid unintentional changes. (The Passcode screen appears.) Figure 5 - Passcode Enter the passcode for the MVR-SC controller to unlock and allow changes. The default system passcode for the MVR-SC is 6388. 1100-2294 Rev 1...

  • Page 11: System Components

    VRF applications. 2.2.3 Ethernet Network Switch An Ethernet network switch is used to provide connectivity between the MVR-SC Controller and the individual Modbus Gateways (up to 8 ports). 2.2.4 Gateway A gateway is used to create small networks of MVR-300 Refrigerant Detectors (up to 15 per gateway) to ease installation and troubleshooting.

  • Page 12: Hardware Overview

    2.3 Hardware Overview MVR-SC Refrigerant Leak Monitor The MVR-SC provides centralized alarming and monitoring for all connected MVR-300 Gas Detectors. Figure 6 - MVR-SC Overview Component Description PLC / Touch Screen Fault Relay Alarm Relay Modbus Power (24V DC IN) Cable Entries (×4)

  • Page 13: Installation

    Up to 100 MVR-300 devices can be connected to the MVR-SC. These are to be grouped as Modbus RTU daisy-chain segments of up to 15 devices, terminating at a Gateway. Up to seven gateways can be used in a fully populated network.
  • Page 14 To mark devices to be on the same floor, those devices must have the same floor name (capitalization matters). The MVR-SC will display a new “floor” tile for each unique name appearing in the floorplan spreadsheet, up to 16 district values.

  • Page 15: Floorplan Spreadsheet (Csv)

    3.2 Floorplan Spreadsheet (CSV) The MVR-SC floorplan spreadsheet (data.csv) is intended to be edited on a PC, and then uploaded to the controller via the USB stick. The spreadsheet contains placeholder entries for all possible devices in the network, but only those with “floor” and “room” cells populated will be active and displayed.
  • Page 16 3. Save the floorplan spreadsheet as a .csv format and upload it onto the USB stick at the device root folder. The filename must be named as “data.csv.” or the MVR-SC will not be able to find the file when importing.

  • Page 17: Gateway Ip Address

    3.3 Gateway IP Address Each gateway in the system requires a unique IP address. The MVR-SC connects to up to seven gateways, using the following default IP address scheme. MVR-300 device count IP for Gateway Order 192.168.0.1 192.168.0.2 192.168.0.3 192.168.0.4 192.168.0.5...
  • Page 18 4. Choose Broadcast Search to search on the entire connected Figure 13 – Broadcast Search 5. When discovered, the Gateway should show up in the table. Select its row and press Configuration. a. Note: if this step requires a password it is “moxa” Figure 14 –...
  • Page 19 Figure 16 - Network Setting OK screen 9. Repeat this process for the remaining gateways in the system. The gateways contain powerful built-in troubleshooting features. If system troubleshooting is required, please reach out to Bacharach Product Support for relevant documentation and support. 1100-2294 Rev 1...

  • Page 20: Hardware Installation

    3.4 Hardware Installation Mount the MVR-SC in an accessible location for viewing alerts and responding to alarm conditions. Environment: place the MVR-SC in an indoor setting free from the risk of exposure to water, high humidity or any hazardous conditions.

  • Page 21: Connecting Relays: Alarm, Fault

    3.5 Connecting Relays: Alarm, Fault If used, connect the relay output(s) to equipment that will be triggered by each relay. Note: Take care to ensure proper wiring for intended function: normally open and / or normally closed. Figure 18 - Wiring Relays 3.6 Connecting Ethernet Gateways Connect the Ethernet output from the controller to the gateway(s).

  • Page 22: Connecting Mvr-300S

    Additional resources for the MVR-300 VRF Refrigerant Leak Detector are available online. To download these resources, visit http://bit.ly/2wr9eMn. Special Notes:  The gateway provides the link between the MVR-SC and up to 15 MVR-300 devices.  Cable recommended Belden 3106, 1.5 twisted pair, shielded, or similar.

  • Page 23: Upload The Floorplan To Memory

    Up to 100 MVR-300 devices can be connected to the MVR-SC. These are to be grouped as Modbus RTU daisy-chain segments of up to 15 devices, terminating at a Gateway. Up to seven gateways can be used in a fully populated network.
  • Page 24 To mark devices to be on the same floor, those devices must have the same floor name (capitalization matters). The MVR-SC will display a new “floor” tile for each unique name appearing in the floorplan spreadsheet, up to 16 district values.
  • Page 25 6. Save the floorplan spreadsheet as a .csv format and upload it onto the USB stick at the device root folder. The filename must be named as “data.csv.” or the MVR-SC will not be able to find the file when importing.
  • Page 26 The MVR-SC connects to up to seven gateways, using the following default IP address scheme. MVR-300 device count IP for Gateway Order 192.168.0.1 192.168.0.2 192.168.0.3 192.168.0.4 192.168.0.5 192.168.0.6 192.168.0.7 The IP address for each Gateway may need to be changed by the user, since they ship with default IP 192.168.0.1.
  • Page 27 16. Repeat this process for the remaining gateways in the system. The gateways contain powerful built-in troubleshooting features. If system troubleshooting is required, please reach out to Bacharach Product Support for relevant documentation and support. 1100-2294 Rev 1...

  • Page 28: Commissioning

    17. , of this manual. 18. Click Network Config, and then press “Upload CSV” to upload the floorplan spreadsheet data.csv from the root folder of the USB stick. Figure 22 - System Setting screen A success message will indicate that the upload is complete. 4.4 Commissioning Each MVR-300 ships with default Modbus ID set to 1.
  • Page 29 3. On the MVR-SC touch screen, tap the pin icon in the bottom right of the screen to advance to the “Floors” screen and then tap the floor that is to be commissioned. Figure 23 - Floor List screen 1100-2294 Rev 1...
  • Page 30 4. Tap the tile with the room that is being commissioned. Figure 24 – Tap the tile of room to commission This should open the Device Modbus Pairing Screen. At this screen, have a co-worker tap the top single dot () with the magnetic wand on the MVR-300 for less than a second. (Device should make an audible sound signaling that it is in “Commissioning Mode”) Optionally, the MVR-300 may be taken out of this mode by briefly tapping Magnetic Switch B ()
  • Page 31 5. Once the device has been placed into the “Commissioning Mode”, tap Commission Device. If the device has successfully commissioned a “Success” message should appear. If the commission was unsuccessful, an “Unable to Contact Device” message should appear. Figure 26 - Device Modbus Pairing 6.
  • Page 32 On the devices screen there should be a green checkmark on the device that was just commissioned signaling that the commission was successful. Figure 28 - Green checkmark appears 7. Repeat these steps for each room on a floor and each floor in the building until all MVR- 300 devices have been commissioned.

  • Page 33: Method 2: Set Modbus Id Manually

    Wire a single MVR-300’s Modbus port to the controller’s Modbus terminal block. It is recommended to use the EZ-wire kit included with the MVR-SC controller for ease. 1. From Settings, open the Set Modbus ID screen to select and apply a specific Modbus ID.
  • Page 34 c. Next, use the magnet wand held to the upper switch location (*) on the MVR-300 for 60 seconds. The device should beep once completed. d. Remove the magnet wand and cycle power. The MVR-300 will have reverted to default settings and Modbus ID 1. e.

  • Page 35: Operation

    5 Operation 5.1 Overview of Normal Operation The MVR-SC provides centralized monitoring of all segments in the network with a 15-second scan rate. 5.2 Alarm Detection The MVR-SC controller will provide instantaneous details for any MVR-300 in the network experiencing an alarm condition.

  • Page 36: Fault Detection

    5.3 Fault Detection The MVR-SC controller will provide instantaneous details for any MVR-300 in the network experiencing a hardware fault condition. To respond to a Fault event: Tap Mute to silence the alert. This will mute the buzzer at the controller for 30-minutes.

  • Page 37: Communication (Comm.) Error

    5.4 Communication (Comm.) Error If enough unsuccessful attempts occur to an MVR-300, this will be indicated with an alert. To respond to a Comm. Error event: 1. Tap Details to open the Comm. Error screen to view the device(s) impacted. Figure 36 –...

  • Page 38: Event History

    5.5 Event History The MVR-SC will save new Alarm or Fault events to the Event History. This can be accessed from the Setting screen. The event history is a rolling list of 100 entries. In addition, entries tagged as neither alarm nor fault are created when a device status clears to normal.
  • Page 39 2. Tap UniApps from the pop-up menu that appears. Figure 40 - Tap UniApps 3. Select the System tab, and then Time & Date. Choose the date from the calendar tool on the left side of the screen and the time from the right side of the screen. Figure 41 - Choosing the time and date 4.

  • Page 40: Service Mode Screen

    5.6 Service Mode Screen Disables the audible buzzer and sets the relays to the default (normal) position for 30 minutes in order to facilitate maintenance on the network or MVR-300 devices. To access the Service Mode Screen: 1. Open the Settings screen (gear icon in upper right) and tap the Service Mode button. 2.

  • Page 41: Additional Information

    Merchandise Authorization Number (RMA #). All returned goods must be accompanied by an RMA #. Pack the equipment securely (in its original packing, if possible), as Bacharach cannot be held responsible for any damage incurred during shipping to our facility.

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