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Congratulations on your purchase of an Athena Series
OTC25 Digital Temperature Controller. It is designed for
ease of use and reliability wherever accurate temperature
control is required.
After following the instructions for installation, simply step
through and set each of the unit’s parameters using the OTC25’s
easy menu system.
If you still have questions or require any assistance in setting up
or operating your controller, please contact your Athena represen-
tative or call 1-800-782-6776.
Features
Safety
Warning
• Type J Input (OTC25 N, OTC25 L)
• Type J or K Input (OTC25 P)
• ±0.3% FS Accuracy
• Large, Easy-to-Read LED Display, Selectable for
Either Setpoint or Process Temperature
• Adjustable Output Hysteresis to Prevent Rapid
Cycling Around Setpoint Temperature (OTC25 N)
• Adjustable Deviation Alarm Flashes Display When Measured
Temperature Exceeds or Falls Below Setpoint Temperature
• NEMA 4X Front Bezel, Splash-Proof and Resistant to Dust
• Discrete Status Indicators Illuminate When Temperature
Display, Setpoint Display or Heat/Cool Output is Active
• Approvals: UR, cUR, CE
In addition to presenting a potential fire hazard, high voltage and
high temperature can damage equipment and cause severe injury
or death. When installing or using this instrument, follow all
instructions carefully and use approved safety controls. Electrical
connections and wiring should be performed only by suitably
trained personnel.
Do not locate this instrument where it is subject to excessive
shock, vibration, dirt, moisture, oil, or other liquids. The safe
operating temperature range for this unit is 32° F to 140° F (0° C
to 60° C).
© Copyright 2004, Athena Controls, Inc.
Introduction