Emerson MRLDS User Manual

026-1307 Rev 1 11-30-07

Modular Refrigerant Leak Detection

Sensor (MRLDS) Inst allation and

Operation Manual

Computer Process Controls, Inc.

1640 Airport Road Suite #104

Kennesaw, GA 31044

Phone [phone]

Fax [phone]

ALL RIGHTS RESERVED
The information contained in this manual has been carefully checked and is believed

to be accurate. However, Computer Process Controls, Inc. assumes no responsibility
for any inaccuracies that may be contained herein. In no event will Computer Process
Controls, Inc. be liable for any direct, indirect, special, incidental, or consequential
damages resulting from any defect or omission in this manual, even if advised of the
possibility of such damages. In the interest of continued product development, Com­puter Process Controls, Inc. reserves the right to make improvements to this manual,
and the products described herein, at any time without notice or obligation.

Computer Process Controls, Inc. products may be covered by one or more of the fol­lowing Computer Process Controls U.S. patents: 6360553, 6449968, 6378315,
6502409, 6779918, and Computer Process Controls Australian patent No. 775,199 No­vember 4, 2004.

FCC COMPLIANCE NOTICE

This device complies with Part 15 of the FCC Rules. Operation is subject to the fol­lowing two conditions: (1) this device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause
undesired operation.

Table Of Contents

1 OVERVIEW................................................................................................................................................................... 1

1.1 S

PECIFICATIONS............................................................................................................................................................. 1

1.2 MRLDS M

1.3 P

OWERING THE MRLDS................................................... ............................................................................................ 1

2 CHOOSING A MOUNTING LOCATION................................................................................................................. 2

2.1 M

OUNTING THE SENSOR............................................................................................................................................... 2

2.2 MRLDS D

3 MRLDS ANALOG VERSION (809-100X).................................................................................................................. 3

3.1 N

ETWORK LAYOUT ....................................................................................................................................................... 3

3.2 MRLDS W

3.3 R

EFRIGERANT JUMPER SETTINGS .................................................................................................................................. 4

3.4 C

ONTROLLER SETUP FOR ANALOG MRLDS ................................................................................................................ 4

4 MRLDS MODBUS VERSION (809-101X).................................................................................................................. 5

4.1 N

ETWORK LAYOUT ....................................................................................................................................................... 5

4.2 MRLDS S

4.3 MRLDS G

4.4 C

ONTROLLER SETUP FOR MODBUS MRLDS .......................... ...................................................................... .............. 11

ODELS.......................................................................................................................................................... 1

IMENSIONS.................................................................................................................................................... 3

IRING ........................................................................................................................................................... 3

ETUP.............................................................................................................................................................. 5

ATEWAY ....................................................................................................................................................... 7

5 DIAGNOSTICS............................................................................................................................................................ 14

5.1 MRLDS LED I

5.2 E2 A

LARMING ............................................................................................................................................................. 14

NDICATORS ......................................................................................................................................... 14

MRLDS I&O Manual Table of Contents • v