Athena Technologies OTC25 N, P, L Introduction, Features Safety, Approvals UR, cUR, CE

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Introduction

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.

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Contents Series OTC25 N/L/P Nema 4X Front Bezel, Splash-Proof and Resistant to Dust Features SafetyIntroduction Approvals UR, cUR, CEContents Mounting InstallationPre-Installation Instructions Power On WiringAthena Series OTC25 Digital Temperature Controller When power is first applied to the OTC25, all segmentsControl Hysteresis Default DisplayParameter Descriptions Display OffsetOTC25 N On/Off Temperature Controller Normal Operation Parameter ConfigurationOTC25 L Limit Controller Normal Operation Deviation Band AlarmParameter Key momentarily to switch the display to Limit Display UnitsAutomatic Startup Reset Limit SetpointOTC25 P PID Temperature Controller Normal Operation Parameter Key momentarily to switch the display toOTC25 P Operation Proportional Band ResetOutput 2 Configuration RateCalibration Calibration ProcedureCalibration Calibration Error Codes Repeat for the upper reference pointBUYER’S Remedy is Limited to Either i Repair or Warranty/Repair InformationTwo-Year Limited Warranty Unit Repairs Operating Limits Technical SpecificationsControl Characteristics Sensor RangeInput Source Temperature Sensor Output Source Power to HeaterPage OTC25-NOTC25-POTC25-L Page OTC25-NOTC25-POTC25-L Page For technical assistance, call toll free