TECSYSTEM T119 DIN Instruction Manual
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TECSYSTEM T119 DIN Instruction Manual

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  • Page 2 INSTRUCTION MANUAL T119 DIN 1MN0109 REV. 0 operates with ISO9001 certified quality system TECSYSTEM S.r.l. 20094 Corsico (MI) Tel.: +39-024581861 Fax: +39-0248600783 http://www.tecsystem.it R. 1.2 08/02/17 ENGLISH “Translations of the original instructions”...

  • Page 3: Table Of Contents

    INTRODUCTION First of all we wish to thank you for choosing to use a TECSYSTEM product and recommend you read this instruction manual carefully: You will understand the use of the equipment and therefore be able to take advantage of all its functions.

  • Page 4: Safety Requirements

    POWER SUPPLY The T119 DIN control unit has UNIVERSAL power supply, i.e. it can be supplied by 24 to 240 Vac-Vdc, irrespectively of polarity in Vdc. Before using it, make sure the power cable is not damaged, knotted or pinched. Do not tamper with the power cable.

  • Page 5: Accessories

    ACCESSORIES The following objects are present inside the box: Control unit 1 supply terminal 3 poles pitch 5 Code: 2PL0367 - Screws tightening torque 0.5Nm 1 PTC sensor terminal 4 poles pitch 5 Code: 2PL0369 - Screws tightening torque 0.5Nm 1 relay terminal 8 poles pitch 5 Code: 2PL0374 - Screws tightening torque 0.5Nm 1MN0030 REV.

  • Page 6: Technical Specifications

    T119DIN TECHNICAL SPECIFICATIONS POWER SUPPLY 24 -240Vac-dc Supply rated values 50/60HZ Maximum ratings 20-270 Vac-dc ● Vdc with reversible polarities ● INPUTS 3 series of PTC inputs ● 1 series for L1 (ALL1) ● 1 series for L2 (ALL2) ● 1 series for FAN ●...

  • Page 7: Introduction

    ● INTRODUCTION The T119 DIN is the most advanced unit on the market as regards temperature monitoring units for MV cast resin transformers which utilize PTC sensors. The unit gives the L1 pre-alarm and L2 alarm-trip signals when the temperature limits sensed by the PTCs in the coils are reached.

  • Page 8: Front

    FAULT LED - L1 LED - L2 LED - FAN LED flashing, see PTC SENSOR FAULT DIAGNOSIS on page 10. POWER SUPPLY The T119 DIN control unit has UNIVERSAL power supply, i.e. it can be supplied by 24 to 240 Vac-Vdc, 50/60 Hz irrespectively of polarity in Vdc (terminals 40-42).

  • Page 9: Programming

    PROGRAMMING FAN PROGRAMMING CYCLE STEP ACTION EFFECT Turn on the unit the green LED lights up Push TEST twice in sequence the red PRG LED flashes Push TEST within 5" without releasing it until the the PRG LED is ON continuously PRG LED is ON the red LED switches from Push TEST within 5"...

  • Page 10: Led Test

    If the FAN is set up, the relay activates when the relative PTC sends the first signal and the FAN LED is steady ON: the relay is active for as long as the PTC senses the temperature is normal, the T119 DIN unit keeps the relay ON for the time set during programming and the FAN LED flashes.

  • Page 11: Sensor Diagnostic Device

    PTC FAN The FAULT +FAN LEDs are flashing ATTENTION If the T119 DIN control unit is not connected to the correct PTC model, the LEDS flash. The PTC temperature is δnat + T = 1300 ohm. "PTC" TYPE TEMPERATURE SENSORS The PTCs can be compared to bimetallic thermostats where the contact opens and closes at the approximate temperature, defined as their operating characteristic (δNAT=operating temperature).

  • Page 12: Ptc Technical Specifications

    500 Vac Maximum op perating voltage C RESISTANCE E VALUES ALL LOWED FOR C CONNECTION T TO T119 DIN e resistance valu ue shown in tab ble 1 refers to a single or multip ple series of PTC e correct operat...

  • Page 13: Sensor / Relay Electrical Connections

    SENS OR / RELAY EL LECTRICAL CO ONNECTIONS 1MN0109 R REV. 0 Universal unit s supply 24-240 V Vac-dc 50/60Hz. Relays (ALL1 /FAULT-ALL2-F FAN) L1 - L2 - FAN P PTC sensor lines ELAYS PTC S SENSORS L1 L2 FAN COM STOP SYSTEM LL1/ FAULT...

  • Page 14: Warranty Conditions

    The war rranty is always ex Corsico as s stated in the "Ge eneral Conditio ns of Sale". Tecsystem Srl is not responsi ble for damage es caused by th he monitoring u unit due to PTC C sensors which...

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