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TECSYSTEM S.r.l ®
INSTRUCTION MANUAL
T-154 0-240°C protection relays
T-154
0-240°C
TECSYSTEM S.r.l.
Via Cristoforo Colombo, 5
20094 Corsico (MI) Italy
Tel. +39 — 02 – 4581861
Fax: +39 — 02 – 48600783
http://www.tecsystem.it
R.1 15/01/02
Related Manuals for TECSYSTEM T-154
Summary of Contents for TECSYSTEM T-154
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Page 1
TECSYSTEM S.r.l ® INSTRUCTION MANUAL T-154 0-240°C TECSYSTEM S.r.l. Via Cristoforo Colombo, 5 20094 Corsico (MI) Italy Tel. +39 — 02 – 4581861 Fax: +39 — 02 – 48600783 http://www.tecsystem.it R.1 15/01/02 T-154 0-240°C protection relays… -
Page 2
TECSYSTEM S.r.l ® 220VAC-24VAC PT-73 FIG.2 T-154 T-154 possible configuration of ALARM and FAULT re- lays parallel connection 10 11 Fig.3 T-154 0-240°C protection relays… -
Page 3
Data storage: 10 years minimum ning • • Digital linearity of sensors signal Maximum temperatures and alarms stor- • Self-diagnostic circuit DIMENSIONS • 96×96 mm-DIN43700 – depth 140mm (with rear terminals) • panel cutout 92×92 mm T-154 0-240°C protection relays… -
Page 4: Power Supply
Fasten firmly the unit by the fixing blocks included with each unit. 3) POWER SUPPLY The T-154 unit has a universal power supply. It can be supplied with 24 to 240 Vac or dc without respect to polarities. The ground cable must be fixed to terminal # 41.
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Page 5
All units of the “T” series have the sensors linearization with a max error of 1% v.f.s.. TECSYSTEM has realised a special cable for the measure signal transport with all the protection requirements in accordance with CEI Norms: mod. CT-ES… -
Page 6: Cooling-Fan Control
TECSYSTEM S.r.l ® 9) COOLING-FAN CONTROL The T-154 unit, if suitably programmed, can control the ON-OFF of the transformer fans according to the set temperature values. The fans of the machine can be controlled in two different ways: • using the temperatures surveyed by the sensors on the three columns Channel 1.2.3…
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Page 7: Important Notice
LED’s illuminate. 16) IMPORTANT NOTICE Before conducting the insulation test, disconnect the power supply to the unit to avoid damage. T-154 0-240°C protection relays…
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Page 8
PRG appears on display Prg NO = program cannot be set up Prg YES or no changed Programming is completed. The unit will perform the light test. PRG/SET Press ENT to return to normal operating mode. T-154 0-240°C protection relays… -
Page 9: Warranty
In accordance with CEI 20.35 IEC 332.1 Max. working temperature: 105°C Conformation : 4 terns of the numbered conductors (1-1-1..4-4-4) RRW twisted and coloured conductors Shield cu/stg PVC Antiflame protecting covering External diameter 9.0 mm Skeins of 100 m T-154 0-240°C protection relays…
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Page 10: Troubleshooting
Reconnect to a stable source of power. Return if unit does not respond Sudden activation of the trip relay with Sensor defective (Fcd). normal operating temperature. Replace the sensor. One channel caused the occurrence. T-154 0-240°C protection relays…
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Page 11: Relays Connection
Pt100 SENSORS CONNECTION CH 1 CH 2 CH 3 CH 4 13 14 15 16 17 18 19 20 21 22 23 24 RELAYS CONNECTION 10 11 ALARM TRIP FAULT Pt100 WHITE POWER SUPPLY 24-240 VAC-VDC T-154 0-240°C protection relays…
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Page 12
The unit was submitted to the following tests during production: N° Description PC board test Input test Test of relay contacts and outputs Key test Lamp test Calibration at 100 and 200°C (for temperature monitoring units) Software test Burn-in minimum 24h Date of shipment: T-154 0-240°C protection relays…
(Ocr-Read Summary of Contents of some pages of the TECSYSTEM T154 Series Document (Main Content), UPD: 12 June 2023)
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1, TECSYSTEM T154 Series Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 1 TECSYSTEMS S r. I. INSTRUCTION MANUAL T154 P4 V3 1.2C
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2, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 2 R3 T154 Table of contents Introduction……………………………………………………………………………….3 Mounting………………………………………………………………………..…
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3, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 3 Introduction The T154 Temperature Monitor will monitor and control up to four, three- wire RTD inputs. All input channels may be user programmed for two separate outputs with a range of 0 to 240°C (32 to 464°F). The set points are common to all channels. The unit is microprocessor based wh…
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4, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 4 Controls All functional controls and displays are located on the front of the unit. The unit has six input keys, two having dual functions. These are PRG/SET and ENT/RESET. Keys may be categorized as, programming, screen display, and test. Programming keys are located at the botto…
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5, TECSYSTEM T154 Series Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 5 Screen Messages The main LED screen displays a variety of messages some of which only appear during programming or as a result of component or unit failure. During the course of normal operation the following screen display indicates a fault condition: • FOC: Fault open circuit — RTD input to one…
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6, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 6 Failure to do so may result in damage to the unit. Wiring Terminal blocks are located at the rear of the unit for all input channels (4), output relays (4) and control power. The terminal blocks are removable for ease of wiring Wiring connections are shown in Figure 2 …
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7, TECSYSTEM T154 Series Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 7 Inputs The T154 will accept three or four, three-wire RTD inputs. The standard unit is calibrated for 100-ohm, platinum RTDs. The T154 may also be ordered for use with 100 or120-ohm, nickel RTDs. Channels 1-2-3 must have inputs connected or the unit will read an op…
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8, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 8 Programming Getting started Programming the T154 is simple and requires no special tools. The set point values for alarm, trip and fan control should be at hand. The unit will automatically step through each program sequence and upon completion will repeat each step or may be returned to normal operation. The program sequence is as f…
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9, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 9 Enter Program Values 1) Input set point temperature value for alarm Screen display: numerical value, yellow alarm LED flashing, green chn indicators 1-2-3 Action: Scroll up/down, using up down keys Options: 0-240°C (32-464°F) Complete: Press PRG—…
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10, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 10 Pictorial
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11, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 11 TECSYSTEM S.r.i TECHNICAL SPECIFICATIONS Auxiliary Power Supply • Rated voltage 24-240 Vac-dc • Maximum ratings 20.270 Vac-dc • Vdc with reversible polarities Inputs • Four inputs RTD PT 100 sensors – 3 wires • Removable rear terminals • Input channels protected against electromagnetic …
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12, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 12 Testing All relays may be tested using the following procedure: 1) Press and hold the TEST key for 7 seconds. The main screen display will flash TST and then default to an active test of the fault relay 2) Release the test key when the yellow test on LED illuminates. The …
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13, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 13 Troubleshooting Problem Causes / Solution The unit will not switch on, with control power energized Check the terminal block for correct installation Check for voltage at terminal block The sensor is damaged The fault relay closes and the fault LED switches on. The red LED of the respective channel is illuminate…
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14, Exclusive Canadian Distributor EL Switchgear & Control Inc Ph: 1 800 463 1275 Fax 1 519 753 5755 E Mail [email protected] February 19, 2007 14 Options • Protective display cover • 120 or 100 ohm nickel RTD input Approvals • Assembled in accordance with CE rules. • Protection against electrical and magnetic noises CEI -EN50081-2/50082-2 • C-UL approval, File No, 190427 …
Types of Manuals:
The main types of TECSYSTEM T154 Series instructions:
- User guide — rules of useing and characteristics
- Service manual — repair, diagnostics, maintenance
- Operation manual — description of the main functions of equipment
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