Bacharach MVR-SC Quick Start Manual

Refrigerant Leak Monitor
System Controller for MVR-300 Refrigerant Detectors
Quick Start
Refrigerant Leak Detection
Guide
P/N: 1100-2162 | June 2019 Revision 0

1. Introduction

The MVR-SC Refrigerant Leak Monitor provides infomation and
audio-visual alerts on the status of a network of refrigerant
detectors in a centralized location outside of the monitored
space. The MVR-SC displays comprehensive information about
the status of all connected gas detectors and is compatible with
Bacharach's MVR-300 VRF Refrigerant Leak Detector.
Additional resources (including the user manual &
floorplan spreadsheet) are available online. To download
these resources, scan here or visit http://bit.ly/2MdlvyP.

2. Safety Instructions

DANGER: This product HAS NOT been designed for use in
hazardous locations. Failure to comply may result in personal
injury or death.
WARNING: NEVER connect the product's 24V DC inputs directly
to AC power supply.
WARNING: DO NOT apply power until all wiring has been
completed.
CAUTION: The protection provided by this product may
become impaired if it is used in a manner not specified by the
manufacturer. Modifications to this instrument, not expressly
approved, will void the warranty.
CAUTION: DO NOT continue to use this equipment if there are
any symptoms of malfunction or failure. In the case of such
occurrence, de-energize the power supply and contact a qualified
repair technician or the nearest Bacharach Service Center.
IMPORTANT: Before using this product, carefully read and
strictly FOLLOW THE INSTRUCTIONS in the user manual.
2. Safety Instructions (Continued)
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 particular industry / country.
This document is only intended as a guide and the manufacturer
bears no responsibility for the installation or operation of this unit.

3. Component Overview

1
2
3
# COMPONENT DESCRIPTION
1 PLC / Touch Screen
2 USB Port
Ethernet Port
3
(Requires Shielded Cat 6 Cable)
Fault Relay
4
(250 VAC / 30 VDC, 2.0 AMP)
Alarm Relay
5
(250 VAC / 30 VDC, 2.0 AMP)
Modbus Terminal Block
6
(Requires Belden 3106 or Equivalent. Shielded 1.5 pair twisted)
Power
7
(24 VDC IN)
8 Cable Entries (×4)
IMPORTANT: Comply with all local and national laws, rules and
regulations associated with this equipment. Operators should be
aware of the regulations and standards in their industry / locality
for the operation of the MVR-SC.
C.
8
6 7

4. Accessories

Product Description / Part Number
Description 1,000' (304.8 m) spool of industrial-grade Modbus cable.
Modbus Cable
P/N: 1100-2193
Description Connects the MVR-SC and individual gateways.
Ethernet Switch
P/N: 1100-2172
Each gateway supports a network of up to 15 MVR-300 VRF
Description
Modbus Gateway Refrigerant Leak Detectors.
P/N: 1100-2198
Precisely stripped, pre-bonded wire provides faster, more
Description
consistent installation to the MVR-300 Modbus port.
Modbus EZ-Wire Kit
P/N: 1100-2190

5. Network Planning

IMPORTANT: Prior to installation, download the MVR-SC floorplan
spreadsheet available from Bacharach. This sheet has editable
fields for Floor / Room and non-editable fields for Modbus ID
and Gateway IP address. These fields are to be completed during
planning in order to ensure correct wiring and function:
Floor / Room
Modbus (Slave) ID − number between 2 and 16. Refer to the MVR-
SC User Manual (P/N: 1100-2184) for more details on Modbus
connectivity.
4
Gateway IP Address − Each gateway has a unique, required IP
address. (The first should be 192.168.0.1, followed by 192.168.0.2
and so forth. A maximum of 7 gateways may be connected in a
subnetwork.)
CSV Spreadsheet − file will need to be saved in a .CSV format in
order to upload to the MVR-SC.
1. Save the floorplan spreadsheet as a .CSV format and
B.
upload onto the USB stick at the device root folder. The
filename must be "data.csv."
2. Upload the floorplan spreadsheet to the MVR-SC from the
USB stick using steps on the next page.
Figure A (System Configuration)
5
1
2
3
6. Installation
WARNING: NEVER connect the product's 24V DC inputs directly
to AC power supply.
WARNING: DO NOT apply power until all wiring has been
completed.
Bacharach, Inc.
621 Hunt Valley Circle,
New Kensington, PA 15068 USA
Bacharach USA Customer Service: +1 724 334 5000
Bacharach CAN Customer Service: +1 905 882 8985
Bacharach EU Customer Service: +353 1 284 6388
mybacharach.com | help@mybacharach.com
Ethernet
Switch
1 1 1
2 2 2
3 3 3