Emerson NELSON HEAT TRACE CM-2201 - Introduction 4

©2017 Nelson Heat Tracing Systems
www.nelsonheaters.com
GA2497 Rev.5
4
Introduction CM-2201/CM-2202
1.1 Introduction
The Nelson Heat Trace CM-2201 is designed to monitor and
control one heating circuit in ordinary and Class I, Division 2,
Class I, Zone 2, and Zone 2 hazardous locations.
The CM-2202 can monitor/control two heating circuits in
those same locations.
This manual provides information pertaining to the Installation,
operation, testing, communications and maintenance of these
controllers. See Appendix A for detailed specifications
1.2 Getting Started
The CM-2201/CM-2202 is typically connected to external RTDs,
power or communication based on Appendix B and C. Detailed set-
up of the operating/control/monitoring program is entered
throughout the following sections.
For addition help, call Nelson Technical Support or follow the
Troubleshooting section.