Contents

Table of

Installation	1
Mounting	1
Wiring	2
Operation	2
OTC25 N On/Off Controller	4
OTC25 L Limit Controller	5
OTC25 P PID Controller	7
Calibration	10
Error Codes	11
IEC Requirements	11
Warranty/Repair Information	12
Technical Specifications	14

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Contents

Series OTC25 N/L/P Approvals UR, cUR, CE Features SafetyIntroduction Nema 4X Front Bezel, Splash-Proof and Resistant to Dust Contents Installation Pre-Installation InstructionsMounting When power is first applied to the OTC25, all segments WiringAthena Series OTC25 Digital Temperature Controller Power On Display Offset Default DisplayParameter Descriptions Control Hysteresis Parameter Configuration OTC25 N On/Off Temperature Controller Normal Operation Display Units Deviation Band AlarmParameter Key momentarily to switch the display to Limit OTC25 L Limit Controller Normal Operation Limit Setpoint Automatic Startup Reset Parameter Key momentarily to switch the display to OTC25 P PID Temperature Controller Normal Operation OTC25 P Operation Rate ResetOutput 2 Configuration Proportional Band Calibration Procedure CalibrationCalibration Repeat for the upper reference point Calibration Error Codes Warranty/Repair Information Two-Year Limited WarrantyBUYER’S Remedy is Limited to Either i Repair or Unit Repairs Sensor Range Technical SpecificationsControl Characteristics Operating Limits Output Source Power to Heater Input Source Temperature SensorPage OTC25-NOTC25-POTC25-L Page OTC25-NOTC25-POTC25-L Page For technical assistance, call toll free

Athena Technologies P, L, OTC25 N instruction manual Contents