User Instructions
Temperature
Controller
Operation
The Chromalox 2104 1/4 DIN temperature controller is a high-
performance, single-loop controller used in the CMX system.
The 2104 controller has two control outputs for heating and
cooling that can be confi gured separately and provide fl exible
temperature control for the CMX. Additional outputs give the
2104 the ability to provide an over-temperature alarm. A dual
digital display of current process temperature and setpoint
temperature make the system easy to understand and operate.
The 2104 controller has extended capabilities and functions for
more technically advanced applications. To learn more about
how these controller capabilities may be used, consult the
enclosed 2104 Controller Technical Manual, part number,
0037-75276.
Figure 3.2
Controller Displays
and Pushbuttons
• System Outlet
Temperature Display
• Alphanumeric Menu
Display in Setup Mode
LEDs indicate °F or °C
selected for Process
Temperature
LED indicates the controller
is in Standby mode
Setpoint Temperature
Display
OUT 1
• Indicates Heat ON
OUT 2
• Indicates Cool ON
Pushbutton Resets
Overtemperature Alarm
14
RESET
LEDs indicate
Overtemperature
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