TTDM-128 Installation Manual
Contents
1. 5 35 24 Vdc 20 Power consumption 10 VA for TTDM 128 9 VA for TTDM 128 24 V Installation categories Overvoltage Category Il Pollution Degree 2 Built in relays Number Three Service Leak Fault Type DPDT Rating 5 A at 250 Vac 24 Vdc Storage temperature 18 C to 60 C 0 F to 140 F Operating temperature 0 C to 50 C 32 F to 122 F Enclosure Type 12 IP 54 Humidity 5 95 non condensing Max Altitude 2000 m 6 562 ft IMPORTANT WARNINGS AND NOTES The following icons are used extensively throughout this manual to alert you to important warnings Q that affect safety and to important notes Va that affect the proper operation of the unit Be sure to read and follow them carefully THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 1712 INDUSTRIAL HEAT TRACING SOLUTIONS SAFETY INSTRUCTIONS The installation adjustment or repair of the TTDM 128 involves risk of contact with potentially lethal voltages and currents These Installation Instructions are for use by qualified personnel only To reduce the risk of electric shock do not perform any servicing other than that specified in the Installation Instructions unless you are qualified to do so Refer servicing to qualified personnel The enclosure door should remain closed while the TTDM 128 unit is operational Servicing or adjustments should not be performed while the circuits are energized EXPLANATION OF SYMBOLS USED ON THIS2. Spare fuse socket 4 20 mA board optional Ground earth stud Sensing cable plug and socket LCD contrast adjustment PL indicates power limited circuits THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 2 12 INDUSTRIAL HEAT TRACING SOLUTIONS INSTALLING THE TTDM 128 k4 IMPORTANT The TTDM 128 is an electronic unit During installation take the following precautions to avoid damage to its electronic components e To avoid damage to the unit store the TTDM 128 module in its cardboard box until construction is complete e Handle with care avoid mechanical damage e Keep the electronics dry e If handling circuit boards hold them by their edges to avoid physical contact with electronic components e Avoid exposure to static electricity e Avoid contamination with metal filings liquids or other foreign matter Select the mounting position Choose a location indoors where the module will be protected from the elements and temperature extremes Follow all national and local codes and regulations applicable to the installation e Remove the module from its carton Do not remove the protective film from the membrane on the front of the unit e Open the enclosure door using a flat blade screwdriver or a coin IGNITION HAZARD Do not mount the TTDM 128 unit in a hazardous location Sensing cable connected to the TTDM 128 may subject to approvals restrictions be located in hazardous locations but the module i
3. EQUIPMENT The following symbols are used to identify parts and provide warnings for the TTDM 128 unit CAUTION Risk of Electric Shock Circuits are live Disconnect unit before servicing A Do not remove cover Do not open cover while energized No user serviceable parts inside Refer servicing to qualified personnel GROUND This symbol identifies the equipment ground points Direct Current s o Alternating current A This symbol identifies important safety warnings and notes that affect the proper operation of the unit ZN WARNING SHOCK HAZARD Shut off power before opening enclosure door S TRACETEK TTDM 128 o IS IS Lae wo LcD display Sensor Interface board Gland plate RS 485 TraceTek Network Plug LEDs with icons Motherboard Fault relay cable plug and socket amp Socket Test key Power supply board Leak relay cable plug and socket Ribbon cable Silence key Fuse 500 mA 250 V time delay Service relay cable plug and socket Hast port RS 232 485 selector 9 pin RS 232 socket 8 Reset key Power cable plug and socket 4 20 mA port plug and socket u eset pins Menu keys Voltage Selector Switch RS 232 485 host port plug and voi eee olume adjustmen 7 User Interface board
4. For permanent installations the hard wired method is recommended either RS 232 or RS 485 as necessary The modular RS 232 cable should be used only for temporary connections by trained technicians Make connections SHOCK HAZARD Disconnect from live voltage prior to opening enclosure door e Confirm that power to the unit has been shut off e Open the enclosure door e Feed the end of the communication cable through the gland plate adapter bushing into the enclosure e Remove the J13 cable plug from the socket For RS 232 connection e Connect the RX TX RTS CTS and DGND wire to terminals 5 6 7 8 and 10 respectively e Set the host port selector switch on the User Interface board to the RS232 position For RS 485 connection e Connect the positive wire to terminal 5 RX A and the negative wire to terminal 6 TX B Set the host port selector switch on the User Interface board to the RS485 position e Connect the shield wire to the grounding lug e Insert the J13 cable plug back into the socket PL RS 232 485 EXT COM PORT i D SHIELD t DGND ae RS 232 RTS cable TX RX PL RS 232 485 EXT COMPORT 13 28 SHIELD L485 RS 485 RS 485 cable EN TraceTekTTDM128 IM H57341 01 15 10 12 INDUSTRIAL HEAT TRACING SOLUTIONS START UP AND SYSTEM TESTING Power up the system After connections are complete supply
5. a secure place for later use commissioning connecting interfaces operating If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired K4 IMPORTANT Before creating a leak alarm for System Mapping purposes the sensing cable parameters RG Resistance and YB Resistance should be stable and equal 2 and cable parameter Sense Res should be greater than 10 000 kohms THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 11 12 INDUSTRIAL HEAT TRACING SOLUTIONS gt PENTAIR WWW PENTAIRTHERMAL COM NORTH AMERICA EUROPE MIDDLE EAST AFRICA ASIA PACIFIC LATIN AMERICA Tel 1 800 545 6258 Tel 32 16 213 511 Tel 86 21 2412 1688 Tel 713 868 4800 Fax 1 800 527 5703 Fax 32 16 213 603 Fax 86 21 5426 2937 Fax 713 868 2333 Tel 1 650 216 1526 thermal info pentair com cn thermal info pentair com thermal info pentair com Fax 1 650 474 7215 thermal info pentair com Pentair and TraceTek are owned by Pentair or its global affiliates All other trademarks are the property of their respective owners Pentair reserves the right to change specifications without prior notice 2003 2015 Pentair pentairTBs THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 PN 000000079 12 12 INDUSTRIAL HEAT TRACING SOLUTIONS
6. gt PENTAIR TRACETEK 1DM 128 TRACETEK LEAK DETECTION MASTER MODULE INSTALLATION INSTRUCTIONS GENERAL INFORMATION Please read these instructions carefully and keep them ina safe place preferably close to the TTDM 128 for future reference These instructions must be followed carefully to ensure proper operation The TTDM 128 Leak Detection Master Module has been designed specifically for use with TraceTek sensing cables point sensors sensor interface modules and relay modules The TTDM 128 can directly monitor up to 1500 m 5000 ft of sensing cable and large networks of remote leak detection modules An external disconnect device and appropriate branch circuit protection no more than 20 amp rating should be provided for the TTDM 128 The disconnect device should be clearly marked as such Follow all national and local codes and regulations applicable to the installation APPROVALS AND CERTIFICATIONS TOOLS REQUIRED TYPE NM e Drill or hole punch for electrical conduit entries cus e Phillips cross head sernaniyer e Small flat head screwdriver LISTED aa a aaa INSTALLATION ITEMS NOT SUPPLIED e Wall fasteners for surface mounting four screws emc lt C STORAGE ETR USA eP Keep the module in a dry place prior to installation to avoid possible damage to internal components nii PRODUCT INFORMATION TTDM 128 115 Vac 15 20 50 60 Hz 230 Vac 10 50 60 Hz TTDM 128 24V 24 Vac
7. show how relays can be jumpered together to allow remote monitoring of the TTDM 128 status with only a single pair of wires The TTDM 128 de energizes its relays to signal an alarm condition Therefore loss of power as well as any other type of alarm would signal the remote alarm 4 IMPORTANT The relay plugs can accept wires 10 AWG 4 7 sq mm or smaller We recommend 18 AWG 1 0 sq mm wires Cable should have a temperature rating of 65 C F IMPORTANT Maximum load for relays is 5 A SERVICE RELAY LEAK RELAY FAULT RELAY 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 NC NOCOM NC NO COM C NOCOM NC NO COM IC NOCOMNC NO COM leh a E Alarm on open circuit SERVICE RELAY LEAK RELAY FAULT RELAY 5A 250V 5A 250V 5A 250V 1 J6 1 a 1 ee aes EN Relays wired Jer in series ba NO COM Ne DCM NC NO COM Monitoring circuit alarm on open circuit Alarm on closed circuit SERVICE RELAY LEAK RELAY FAULT RELAY 5A 250V 5A 250V 5A 250V 1 J6 1 J25 1 J9 Relays wired in parallel Monitoring circuit alarm on closed circuit EN TraceTekTTDM128 IM H57341 01 15 6 12 INDUSTRIAL HEAT TRACING SOLUTIONS TESTING THE MODULE Test after supplying power Close and latch the enclosure door Supply power to the unit When power is supplied the green LED illuminates and the unit goes through a series of self tests After the start up sequence
8. 128 enclosure is important to avoid the possibility of electromagnetic interference e Remove the power cable plug from the socket on the power supply board e Connect the power supply wires to the power cable plug Use L2 for neutral if present 4 IMPORTANT The terminals can accept wires 10 AWG 4 7 sq mm or smaller We recommend 12 AWG 3 0 sq mm wires with branch circuit protection sized accordingly Cable should have a temperature rating of 65 C minimum e Insert the power cable plug back into the socket on the power supply board 110 220 Vac power supply o O Do not z exceed 2 maximum voltage Use L2 rating C for neutral oe if present B i VAC IN l1 24 V power supply on Do not O lk exceed i O O otage lt rating EN TraceTekTTDM128 IM H57341 01 15 5 12 INDUSTRIAL HEAT TRACING SOLUTIONS THERMAL BUILDING amp Connect the alarm relays The TTDM 128 has three relays for service leak and fault Each relay provides two Form C relay contacts and normally open and normally closed contacts are both provided The relays are de energized to indicate an alarm condition The illustration shows the relay status in the alarm de energized state The illustrations that follow
9. 53 for further details Prepare communication cable Ensure that the communication cable has been installed and tested Make connections SHOCK HAZARD Disconnect from live voltage prior to opening enclosure door Confirm that power to the unit has been shut off Open the enclosure door Feed the end of the communication cable through the gland plate adapter bushing into the enclosure Remove the J10 cable plug from the socket Connect the positive wire to terminal 3 485 and the negative wire to terminal 4 485 of the J10 cable plug Connect the shield wire to the round lug K4 IMPORTANT Observe the polarity If wires are not connected to the proper terminals the leak detection system cannot operate properly THERMAL BUILDING amp Insert the J10 cable plug back into the socket Place the positive and negative wire in the Ferrite clamp Do not place the shield wire inside the clamp Close the clamp by securing its latch to the snaps PL RS 485 EXT XMTRS J10 D A 45150 ICDM 485 485 et ie SHIELD e RS 485 L RS 485 Ferrite clamp RS 485 cable to next TraceTek module EN TraceTekTTDM128 IM H57341 01 15 9 12 INDUSTRIAL HEAT TRACING SOLUTIONS CONNECTING TO A HOST COMPUTER THERMAL BUILDING amp There are 3 ways to connect the TTDM 128 to a host computer hard wired RS 232 hard wired RS 485 or standard modular RS 232 cable
10. gland plate You must secure the gland plate ground wire to the chassis ground lug after remounting the gland plate Figure 4 Grounding wire to attach to ground lug in enclosure terminal 62 7 gt Gasket Ca Gland plate CONNECTING THE POWER CABLE AND RELAYS Z WARNING SHOCK HAZARD Disconnect from live voltage prior to opening enclosure door TTDM 128 Power Supply Connection e Open door of TTDM 128 enclosure e For 110 220 Vac power supply select the appropriate voltage using the voltage selector switch TTDM 128 24 V Power Supply Connection K4 IMPORTANT For proper operation of the TTDM 128 24 V use a power supply whose output is electrically isolated from the incoming line power and ground e Each TTDM 128 24 V requires a separate isolated power supply THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 4 12 INDUSTRIAL HEAT TRACING SOLUTIONS THERMAL BUILDING amp TTDM 128 and TTDM 128 24 V Power Wiring Connection e There is no internal mechanism for de energizing the power Installer must provide individual branch circuit breaker no more than 20 amp rating and short circuit rating of minimum 5 kVA within line of sight e Pass the power cable through the gland plate adapter bushing into the enclosure e Connect the ground earth wire to the ground earth stud e The ground earth stud is marked with this symbol 4 IMPORTANT Proper grounding earthing of the TTDM
11. is complete the module should report a fault alarm this is normal there is no sensing cable attached Press the red Silence key to silence the audible alarm Verify that the display appears similar to the one shown here the time and date may be different If anything other than the above occurs check all connections If unit still does not appear to operate properly contact a TraceTek representative for assistance Press the Test button The module conducts a number of self tests If the tests are successfully completed record this on the installation record Turn off the power supply to the unit CHO1 Cable Break 14 23 02 Jan 09 AA a Test with TTDM 128 test plug To conduct a more complete test use the TraceTek TTDM CTP test plug packed in a plastic bag in the TTDM packaging Insert the plug into the sensing cable socket on the sensor interface board Close and latch the enclosure door Supply power to the unit When power is supplied the unit will again go through a series of self tests If the test plug is in the sensing cable socket after the module completes the start up sequence it should sound and display a leak alarm Press the Silence key to silence the audible alarm The red Leak LED and green Monitoring LED should both be illuminated and the screen display should appear similar to the one shown here depending on the setting If anything other than the above occurs check all connections If uni
12. on the sensor interface board e Connect the four color coded wires to the Sensor Interface plug Important Observe the color coding If wires are not connected to the proper terminals the leak detection system cannot operate properly e Insert the sensing cable plug back into the socket on the Sensor Interface Board ARAR RED GRN YEL BLK OOOO mmm Black SENSOR CABLE Yellow PL Green Red Install zener barrier if applicable When sensing cable will be located in Class l Division 1 Zone 0 or Zone 1 in Europe hazardous locations approval agencies require that the sensing cable be protected with a zener barrier between the sensing cable and the TTDM 128 module Contact TraceTek to select the proper zener barrier When installing a zener barrier wire it in accordance with the instructions provided with the kit Class Division 1 Zone 0 or Zone 1 in Europe Hazardous Location Ordinary Area TTDM 128 Zener Barret Sensing cable Jumper cable Leader or jumper cable THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 8 12 INDUSTRIAL HEAT TRACING SOLUTIONS CONNECTING THE TRACETEK NETWORK If the TTDM 128 will be used as the network master in a TraceTek network follow these instructions to connect the communication wiring Eid IMPORTANT Some TraceTek network configurations will require different connections for the communication wiring Please refer to the TTDM 128 User Manual H568
13. power to the unit The unit will go through a series of self tests and then display the system status If the sensing circuit is complete and free of leaks or other problems only the green Monitoring LED will illuminate and the LCD display will appear similar to that shown at right If this is not the case you can find additional information in the TTDM 128 Operation and Maintenance Manual H56853 supplied with the module CH01 SIM Normal 6 23 02 Jan 09 LAA a J Commissioning Your system should be commissioned by an authorized TraceTek representative including creation of a System Map The System Map is a crucial part of a TraceTek locating system The System Map is normally completed at the time the leak detection system is commissioned The System Map is defined for each SIM sensor circuit typically an as built drawing of the sensor cable component layout with reference to readily identifiable landmarks preferably with actual distance measurements every 5m 16ft throughout the system The System Map should be constructed with simulated leak events at convenient locations along the leak detection circuit The reported leak distance from TTDM 128 is recorded on the System Map for every tested location The TTDM 128 will give the point along the sensing cable at which liquid has been detected the map is essential to show its physical location Eid IMPORTANT Store hardware and documentation supplied with the TTDM 128 in
14. t still does not appear to operate properly contact a TraceTek representative for assistance If the test is successfully completed record this on the installation record Turn off the power supply to the unit Remove the TTDM CTP test plug and store it in a secure place for future use If not immediately connecting the sensing cable or TraceTek network close and latch the enclosure CHO1 Leak 538 ft 14 37 02 Jan 09 LA Ci Depending on the units selected the leak distance should be within the values below feet 527 to 548 ft meters 160 to 168 zones 11 THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 7 12 INDUSTRIAL HEAT TRACING SOLUTIONS CONNECT THE SENSING CABLE If the TTDM 128 will be used to monitor a sensor directly follow these instructions to connect the sensor to the TTDM 128 If the TTDM 128 is being used only as a network master skip to Connecting the TraceTek Network Prepare sensing cable Ensure that the sensing cable has been installed and tested in accordance with the instructions provided with the cable Make connections Z WARNING SHOCK HAZARD Disconnect from live voltage prior to opening enclosure door e Confirm that power to the unit has been shut off e Open the enclosure door e Feed the end of the TraceTek Leader Cable or Jumper Cable through the gland plate adapter bushing into the enclosure e Remove the sensor cable plug from the socket
15. tself must be in an ordinary area F IMPORTANT The TraceTek sensing circuit is power limited so the TraceTek leader or jumper cable and the power supply cable must not run in the same conduit Mounting the Enclosure Install the enclosure using four screws selected by installer in the prepunched 8 mm 5 16 inch mounting holes with centers as shown in Figure 3 If plastic plugs are in the mounting holes remove them Make sure the rubber elastomeric washers provided in the shipping box are aligned to seal around the mounting screws to maintain the TYPE 12 and IP54 ratings Figure 3 300 mm 11 81 in n E mm 0 79 in 261 mm i 10 26 in A 1 i Aran mounting hole Mirain four places 200 mm 8 mm 5 16 in 7 87 in Attachment points 240 mm for motherboard 9 45 in four places Y Y THERMAL BUILDING amp EN TraceTekTTDM128 IM H57341 01 15 3 12 INDUSTRIAL HEAT TRACING SOLUTIONS Making Enclosure Entries Using the Removable Gland Plate The removable gland plate on the bottom edge of the enclosure provides a location to feed wires into the enclosure Figure 4 The plate is attached with eight screws Unscrew these to remove the gland plate then you can drill or punch holes in the gland plate appropriate for your application There is sufficient width for up to five 1 2 inch or M20 holes Remove all metal filings and dust from the gland plate before remounting Take care not to damage the gasket on the
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