©2017 Nelson Heat Tracing Systems
GA2497 Rev.5
CM-2201/CM-2202
Application Information
2.0 General Application Information
The CM-2201/CM-2202 are designed to operate on input
voltages between 100 and 277 Vac and 50/60Hz. Load
switching is handled by a 2-Pole solid-state relay and
can
control resistive loads of 30A continuous @ 40°C
ambient.
The CM-2201/CM-2202 are designed to control heating
circuits by monitoring one or two temperature inputs for
each circuit via industry standard 3-wire, 100Ω,
Platinum
RTDs. The two separate RTDs for each
circuit maybe
utilized to customize the temperature control inputs.
Several different modes are user
selectable as well as the
sensor failure operational
mode.
The CM-2201 and CM-2202 can be operated in
temperatures of -40°F t o +104°F (-40°C to +40°C).
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