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Table of contents for the manual
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DIGIT AL TEMPERA TURE CONTR OLLERS SERIES O TC25 N/L/P Instruction Manual[...]
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Congratulations on your purchase of an Athena Series OTC25 Digital T emperature 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 s[...]
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T able of Contents 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 W arranty/Repair Information 12 T echnical Specifications 14[...]
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1 Installation Pre-Installation Instructions 1. Inspect shipping carton for obvious signs of mishandling. 2. After removing the controller from the shipping carton, inspect it carefully for damage. Never attempt to install and use a damaged unit. 3. Verify that the ordering code number indicated on the side of the controller matches what was ordere[...]
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2 Operation Athena Series OTC25 Digital T emperature Controller Just a few easy steps are required before your OTC25 can be placed into service. After completing the mounting and wiring procedures as previously instructed, set each controller parameter using the simple front-panel keys as instructed. Power On When power is first applied to the OTC2[...]
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O TC25 N Operation F igure 5a. Series O TC25 N Parameters and Default Settings Parameter Descriptions Default Display This parameter determines whether the OTC25 N’ s display shows the Setpoint or the actual temperature by default. Regardless of the selection made here, the operator can observe the other value by momentarily pressing the Paramete[...]
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O TC25 N Operation The Calibration High and Calibration Low selections ar e accessi- ble only when the calibration jumper is installed as instructed on page 10 (F igure 6). OTC25 N On/Off T emperature Controller Normal Operation The factory default display setting of the OTC25 N is for Actual Te mperature . The default display may be changed to set[...]
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5 O TC25 L Operation OTC25 L Limit Controller Normal Operation The factory default display setting of the OTC25 L is for Actual Te mperature . The default display may be changed to setpoint temperature by selecting Limit Setpoint at the Default Display parameter selection. When the Default Display is changed to Limit Setpoint, the limit setpoint te[...]
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6 O TC25 L Operation Parameter Descriptions Default Display This parameter determines whether the OTC25 L ’ s display shows the Limit Setpoint or the actual temperature by default. Regardless of the selection made here, the operator can observe the other value by momentarily pressing the Parameter Key . This will cause the alternate value to be d[...]
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7 O TC25 P Operation OTC25 P PID T emperature Controller Normal Operation The factory default display setting of the OTC25 P is for Actual Te mperature . The default display may be changed to setpoint temperature by selecting Setpoint at the Default Display parameter selection. When the Default Display is changed to Setpoint, the setpoint temperatu[...]
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F igure 5c. Series O TC25 P Parameters and Default Settings Parameter Descriptions Default Display This parameter determines whether the OTC25 P’ s display shows the Setpoint or the actual temperature by default. Regardless of the selection made here, the operator can observe the other value by momentarily pressing the Parameter Key . This will c[...]
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O TC25 P Operation Proportional Band Proportional Band is a PID parameter that represents the amount of deviation of the controlled variable required to move through the full range, expressed in % of span or degrees of temperature. This para- meter can also be expressed as “Gain” (the wider the band, the lower the gain). Rate Rate is a PID para[...]
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10 Calibration Procedure 1. Prior to applying power to the unit, install the calibration jumper on the microprocessor board as shown in Figure 6. 2. With the instrument still unpowered, connect a calibration reference source to the thermocouple input terminals on the OTC25. 3. Apply power . Allow at least 15 minutes for the controller to warm up be[...]
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The maximum supply current is line voltage dependent: 60 mA for an 100-250 Vac input fuse rating: 2AG, 0.5 A Output Specifications Output 1 T ype Max current Voltage Leakage T (T riac) 2 A 400 Vpk 1 mA B (Relay) 5 A 380 V — Output 2 T ype Max current Voltage Leakage T (SSR) 0.5 A 400 Vpk 1 mA B (Relay) 5 A 380 V — CLEANING INSTRUCTIONS 1. Remov[...]
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12 W arranty/Repair Inf ormation T wo-Y ear Limited Warranty THIS EQUIPMENT IS WARRANTED TO BE FREE FROM DEFECTS OF MA TERIAL AND WORKMANSHIP . IT IS SOLD SUBJECT TO OUR MUTUAL AGREEMENT THA T THE LIABILITY OF A THENA CONTROLS, INCORPORA TED IS TO REPLACE OR REPAIR THIS EQUIPMENT A T ITS FACTOR Y , PROVIDED THA T IT IS RETURNED WITH TRANSPORT A TIO[...]
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13 W arranty/Repair Inf ormation Unit Repairs It is recommended that units requiring service be returned to an authorized service center . Before a controller is returned for ser- vice, please consult the service center nearest you. In many cases, the problem can be cleared up over the telephone. When the unit needs to be returned, the service cent[...]
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14 Mechanical Characteristics Display 7-segment LED, alphanumeric: 3 digits Display Height 0.56" (14.22 mm) Color Orange Front-Panel Cutout 3.622" x 3.622" (92 mm x 92 mm) Bezel Outside Dimensions 3.780" x 3.780" (96 mm x 96 mm) Bezel Height 0.250" (6.35 mm) Case Depth 3.515" (89.28 mm) Weight < 15 oz (425 g) C[...]
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15 T echnical Specif ications Input Source (T emperature Sensor) Thermocouple Range: T ype J OTC25 N/L: 6 to 926° F (-14 to 496° C) OTC25 P: 32 to 999° F (0 to 537° C) T ype K OTC25 N/L: N/A OTC25 P: 0 to 999° F (-17 to 537° C) Output Source (Power to Heater) Solid-State Relay (Output 1) 120/250 Vac, Zero-V oltage Switched, 2 A Continuous/ 10[...]
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16 NO TES[...]
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17 Keep This Information in a Safe Place Configured Parameters Reference Information Series OTC25 T emperature Controller Model Number: _____________________ Zone Location: _____________________ Firmware V ersion No. : _______________ (Displayed when the controller is powered up after all the segments on both lines of the display have been tested).[...]
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18 NO TES[...]
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19 Keep This Information in a Safe Place Configured Parameters Reference Information Series OTC25 T emperature Controller Model Number: _____________________ Zone Location: _____________________ Firmware V ersion No. : _______________ (Displayed when the controller is powered up after all the segments on both lines of the display have been tested).[...]
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20 NO TES[...]
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For technical assistance, call toll free 1-800-782-6776 (in the U .S.) or 610-828- 2490 (fr om an ywhere in the w orld), or e-mail techsupport@athenacontrols.com. Athena Controls, Inc. 5145 Campus Drive Plymouth Meeting, P A 19462 USA T oll-free: 800.782.6776 T el: 610.828.2490 Fax: 610.828.7084 techsupport@athenacontrols.com athenacontrols.com 900[...]