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Honeywell TC Series Technical Information

Tightness controls, adjustable test period which can be adapted to different systems, adjustable test instant allows quick system start, maximum safety thanks to self-monitoring electronics
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Tightness controls TC

Technical Information · GB
3 Edition 08.17
• Adjustable test period which can be adapted to different systems
• Adjustable test instant allows quick system start
• Maximum safety thanks to self-monitoring electronics
AGA
Safety manual for products complying with EN 61508-2

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  Summary of Contents for Honeywell TC Series

  • Page 1: Tightness Controls Tc

    Tightness controls TC Technical Information · GB 3 Edition 08.17 • Adjustable test period which can be adapted to different systems • Adjustable test instant allows quick system start • Maximum safety thanks to self-monitoring electronics Safety manual for products complying with EN 61508-2...
  • Page 2: Table Of Contents

    Contents Tightness controls TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3.1.9 Calculation example for t .
  • Page 3 7 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 7.1 TC 1, TC 2, TC 3 .
  • Page 4: Application

    Application 1 Application TC 1, TC 2 TC 3 TC 4 The tightness control TC checks the fail-safe function control is used. In this case, the system must be vented of both valves before each start-up or after each shut- into a safe area.
  • Page 5 Application TC 2 and TC 4 TC 4 Tightness controls TC 2 and TC 4 can be used with gas Tightness control TC 4 consists of detection circuitry solenoid valves of any nominal size, which are quick and can be installed in the control cabinet, separately opening or slow opening with start rate.
  • Page 6 Application TC 1V on a valVario double solenoid valve TC 4 installed separately from the system in a control cabinet TC · Edition 08.17...
  • Page 7: Application Examples

    Application 1 .1 Application examples PZ = Internal pressure sensor of the TC for the compari- TC 1V son of inlet pressure p and interspace pressure p = Outlet pressure = Test volume 1 .1 .1 TC 1V with valVario controls Mains voltage = control voltage V1: quick or slow opening valve with start rate.
  • Page 8: Tc 1C With Combination Control Cg

    Application 1 .1 .2 TC 1C with combination control CG . .D or CG . . V Mains voltage = control voltage TC 1C V1 and V2: quick opening valves. TC 1C is directly flange-mounted to combination con- trol CG..D or CG..V and checks gas solenoid valves V1 and V2 in the combination control for tightness.
  • Page 9: Tc 2 With Two Gas Solenoid Valves

    Application 1 .1 .3 TC 2 with two gas solenoid valves Mains voltage = control voltage V1 and V2: quick or slow opening valves with start rate. TC 2 TC 2 checks gas solenoid valves V1 and V2 and the pipe between the valves for tightness.
  • Page 10: Auxiliary Valve For Discharge

    Application 1 .1 .4 TC 2 with two gas solenoid valves and one auxiliary valve for discharge Mains voltage = control voltage TC 2 V1 and V2: quick or slow opening valves with start rate. V3: quick or slow opening valve with start rate, nominal size is dependent on test volume V and inlet pres- sure p...
  • Page 11: Auxiliary Valve For Discharge

    Application 1 .1 .5 TC 2 with two gas solenoid valves and one auxiliary valve for discharge Mains voltage = control voltage TC 2 V1: quick or slow opening valve with start rate. V2: any. V3: quick opening, nominal size is dependent on test volume V and inlet pressure p , see page 38 (Pro-...
  • Page 12: Tc 2 In A Multiple Burner System With Several

    Application 1 .1 .6 TC 2 in a multiple burner system with several valves installed in series TC 2 Mains voltage = control voltage V3 and V4: quick opening, nominal size is dependent on test volume V and inlet pressure p , see page 38 (Project planning information), but is at least DN 15.
  • Page 13: Valves Installed In Series

    Application 1 .1 . 7 TC 3 in a multiple burner system with several valves installed in series V1 and V2: any. TC 3 TC 3 checks slow opening main valves V1 and V2 and the pipe between these valves for tightness. The test volume V is supplied and discharged via the TC 3 auxiliary valves.
  • Page 14: Tc 4 With Two Gas Solenoid Valves

    Application 1 .1 .8 TC 4 with two gas solenoid valves V1 and V2: quick or slow opening valves with start rate. TC 4 TC 4 checks gas solenoid valves V1 and V2 and the pipe between the valves for tightness. The external pressure switch DG monitors the pressure between the two valves.
  • Page 15: Auxiliary Valve For Discharge

    Application 1 .1 .9 TC 4 with two gas solenoid valves and one auxiliary valve for discharge TC 4 V1: quick or slow opening valve with start rate. V2: any. V3: quick opening, nominal size is dependent on test volume V and inlet pressure p , see page 38 (Project planning information), but is at least DN 15.
  • Page 16: Tc 4 In A Multiple Burner System With Two Auxiliary Valves For Supply And Discharge

    Application 1 .1 .10 TC 4 in a multiple burner system with two auxiliary valves for supply and discharge TC 4 V1: any. V2 and V3: quick opening, nominal size is dependent on test volume V and inlet pressure p , see page 38 (Project planning information), but is at least DN 15.
  • Page 17: Valves Installed In Series

    Application 1 .1 .11 TC 4 in a multiple burner system with several valves installed in series TC 4 V1 and V2: quick or slow opening valves with start rate. Tightness control TC 4 checks the central shut-off valve V1, the gas solenoid valve V2 and the pipe between these valves for tightness.
  • Page 18: Certification

    Certification 2 Certification Certificates – see Docuthek. 2 .1 TC 1, TC 2, TC 3 Certified pursuant to SIL For systems up to SIL 3 pursuant to EN 61508. Pursuant to EN ISO 13849-1, Table 4, TC 1, TC 2 and TC 3 can be used up to PL e.
  • Page 19: Tc 4

    Certification 2 .2 TC 4 UL listed USA and Canada EU certified pursuant to 120 V – Tightness control TC complies with the requirements set out in section 5.2.2.3.4 of EN 746-2. It achieves a Standard: UL 353 Limit control. Link to Underwriters safety level equivalent to EN 1643.
  • Page 20: Function

    Function 3 Function TC 1 . . W /K, TC 1 . .Q/K, TC 2 . . W /K or TC 2 . .Q/K Mains voltage: 120 V AC or 230 V AC 3 .1 TC 1, TC 2, TC 3 Control voltage: 24 V DC, 3 .1 .1 Connection diagrams for TC 1, TC 2 see page 37 (Selection).
  • Page 21: Connection Diagrams For Tc 3

    Function 3 .1 .2 Connection diagrams for TC 3 TC 3 . .W/K or TC 3 . .Q/K Mains voltage: 120 V AC or 230 V AC TC 3 . .W/W, TC 3 . .Q/Q or TC 3 . .K/K Control voltage: 24 V DC, Mains voltage = control voltage see page 37 (Selection).
  • Page 22: Test Procedure For Tc 1, Tc 2, Tc 3

    Function 3 .1 .3 Test procedure for TC 1, TC 2, TC 3 Depending on the pressure between the valves p , the tightness control TC carries out a check using test pro- TEST cedure A or B: If pressure p >...
  • Page 23 Function Test procedure B Valve V2 opens for the opening time t = 3 s and closes again. During the measurement time t , the tightness TEST control checks the pressure p between the valves. START If pressure p > p /2, valve V1 is leaking.
  • Page 24: Test Instant Tc 1, Tc 2, Tc 3

    Function Mode 1 3 .1 .4 Test instant TC 1, TC 2, TC 3 TEST Two DIP switches are used to determine whether the L1 (+) tightness of the gas solenoid valves is to be checked ϑ don’t-care before burner run, after burner run, or before and after TEST Mode 1 burner run.
  • Page 25: Test Instant For Mode 2: Testing After Burner Run

    Function Mode 2 3 .1 .6 Test instant for Mode 2: testing after burner run TEST L1 (+) ϑ don’t-care Mode 2 TEST Mode 2 TEST L1 (+) The tightness test after burner run begins as soon as ϑ the burner is switched off. don’t-care TEST To ensure that the valves are checked for tightness once...
  • Page 26: Test Instant For Mode 3: Testing Before And After

    Function 3 .1 . 7 Test instant for Mode 3: testing before and after burner run Mode 3 The first test is carried out before burner run (as with Mode 1): Power The tightness test starts with incoming thermostat/ Power start-up signal ϑ.
  • Page 27: Measurement Time T M For Tc 1, Tc 2, Tc 3

    Function 3 .1 .8 Measurement time t for TC 1, TC 2, TC 3 Measurement time t The sensitivity of the tightness control TC can be ad- 2.5 x p [mbar] x V [s] = justed by adapting the measurement time t for each [l/h] individual system.
  • Page 28: Tc 4

    Function 3 .2 TC 4 3 .2 .1 Connection diagram Fault signalling contact on terminals 8 and 9: signalling TEST OK contact (not internally fused), max. 1 A for 220/240 V (high voltage: 264 V), max. 2 A for 120 V. Connect the NO contact on the pressure switch to ter- minals 6 and 7.
  • Page 29: Test Procedure Tc 4

    Function 3 .2 .2 Test procedure TC 4 The tightness test can only be performed if the pres- The TEST starts with the waiting time t . Once the wait- sure downstream of V2 is around atmospheric pressure. ing time has elapsed, the tightness control TC checks TEST START the pressure between the inlet valve V1 and the outlet...
  • Page 30 Function Test procedure B TEST START If pressure p < p /2, valve V1 is tight. Valve V1 is opened for the opening time t = 2 s. V1 closes again. During the measurement time t , the tightness control Test procedure A Test procedure B –...
  • Page 31: Tc 4 Test Instant

    Function 3 .2 .3 TC 4 test instant "TEST " A jumper (on the left in the picture) is used to determine Mode whether the tightness of the gas solenoid valves is to be L1 (+) checked before or after burner run. ϑ...
  • Page 32: Test Instant For Mode 2: Testing After Burner Run

    L1 (+) ϑ TEST Function 3 .2 .5 Test instant for Mode 2: testing after burner run If the tightness control TC detects a leak on one of the If the jumper is set to Mode 2, the tightness test after two valves, the red LED lights up for a fault on valve V1 burner run begins as soon as the burner is switched off.
  • Page 33: For Tc 4

    Function 3 .2 .6 Test period t for TC 4 The required test period t is calculated from: The sensitivity of the tightness control TC can be ad- = max. flow rate [m max. justed by adapting the test period t for each individual = leakage rate [l/h] = Q /h] x 0.1%,...
  • Page 34: Test Volume V P For Tc 1, Tc 2, Tc 3, Tc 4

    Function 3 .3 Test volume V for TC 1, TC 2, TC 3, TC 4 Valve Nominal size Pipe volume VR volume VV Valves Test volume V is calculated from the valve volume V [l/m] added to the volume of the pipe V for each additional VG 10 0.01...
  • Page 35: Leakage Rate Q L

    Function 3 .4 Leakage rate Q If no leakage rate is specified, we recommend the max. possible test period/measurement time is set. It is possible to check a specific leakage rate Q using the TC. Within the scope of the European Union, the maximum leakage rate Q is 0.1% of the maximum flow rate Q...
  • Page 36: Animation

    Function 3 .5 Animation The interactive animation shows the function of the To play the animation, you will need Adobe Reader 7 or a tightness control TC 4. newer version. If you do not have Adobe Reader on your system, you can download it from the Internet. Click on the picture .
  • Page 37: Selection

    Selection 4 Selection 4 .2 TC 4 4 .2 .1 Selection table 4 .1 TC 1, TC 2, TC 3 4 .1 .1 Selection table TC 410      05 W/W Q/Q K/K W/K Q/K  = standard,  = available TC 1V Order example ...
  • Page 38: Project Planning Information

    Project planning information 5 Project planning information On slow opening valves without start rate or pneumatically oper- ated valves, the test volume can be supplied or discharged via auxiliary valves, if discharge into the furnace chamber is impossible for process reasons.
  • Page 39: Start Rate

    Project planning information 5 .2 Start rate 5 .3 .1 TC 1V for solenoid valves for gas VAS, VCx The valve actuator cannot be rotated on gas solenoid The tightness control TC requires a minimum start rate valves with a proof of closure switch VCx..S or VCx..G. in order to carry out tightness tests on slow opening When using a valve/pressure regulator combination valves:...
  • Page 40: Tc 2..R: Rp ¼

    Project planning information 5 .3 .3 TC 2 An adapter plate is supplied for mounting the TC 2 to a gas solenoid valve. TC 3..R: Rp ¼ TC 3..N: ¼ NPT TC 2..R: Rp ¼ TC 2..N: ¼ NPT 5 .3 .5 TC 4 On the TC 4, the external pressure switch is mounted We recommend using Ermeto screw couplings to at- on the interspace between the valves to be monitored.
  • Page 41: Electrical Connection Of Tc 1, Tc 2

    Project planning information 5 .4 Electrical connection of TC 1, TC 2 For the electrical connection of the TC to valves with a plug, a socket can be supplied as an accessory, see page 42 (Accessories). 5 .5 Determining the relief line size The nominal diameter of the relief line should be large enough to discharge the test volume V .
  • Page 42: Accessories

    Accessories 6 Accessories 6 .3 External pressure switch for TC 4 6 .1 Socket DG..C Standard socket, 3 pins + PE, black/B: Gas pressure switches DG, DG..C for monitoring the Order No. 74916715 pressure between the valves to be checked. 6 .2 Valve connection cable For inlet pressures of 0.5 to 500 mbar (0.2 to 195 "WC).
  • Page 43: Technical Data

    Technical data 7 Technical data fault output at 120 V AC/230 V AC mains voltage, 24 V DC control voltage: max. 100 mA. 7 .1 TC 1, TC 2, TC 3 TC switching cycles: 250,000 pursuant to EN 13611. Electrical data Reset: using a button on the device or by remote reset.
  • Page 44: Tc 4

    Technical data 7 .2 TC 4 Mechanical data Length of connection cable: Electrical data at 230 V AC/120 V AC: any, Mains voltage: at 24 V DC (supply connected to PE): 110/120 V AC, -15/+10%, 50/60 Hz, max. 10 m permitted, 220/240 V AC, -15/+10%, 50/60 Hz, at 24 V DC (supply not connected to PE): 24 V DC, ±20%.
  • Page 45 Technical data Environment Gas type and inlet pressure p dependent on external pressure switch. The pressure switch is set to half the inlet pressure p The switching differential may not exceed ±10% of the set switching pressure, see page 42 (External pres- sure switch for TC 4).
  • Page 46: Indicators And Operating Controls

    Technical data 7 .3 Indicators and operating controls TC 4 TC 1, TC 2, TC 3 P o w e = TEST phase (yellow) TEST = operating signal (green) = power supply Power Power = fault valve 1 (red) Power Power = operating signal = fault valve 2 (red)
  • Page 47: Dimensions

    Technical data 7 .4 Dimensions (3.3") (4.4") ø 5 (0.2") (3.3") (2.8") Po w er (8.5") (5.5") Po w er Rp ¼ (3") (5.5") (¼ NPT) (5.3") ( 1 . 4 " ) ( 3 . 3 " ) (3.7") 46,8 (1.8") (1.6")
  • Page 48: Safety-Specific Characteristic Values

    Technical data 7 .6 Safety-specific characteristic values Relationship between the Performance Level (PL) and the Safety Integrity Level (SIL) For systems up to SIL 3 pursuant to EN 61508 Mains and control voltage: 120 V AC/230 V AC – Diagnostic coverage DC 91.4% Mean probability of dangerous failure PFH 17.3 x 10...
  • Page 49: Safety Information In Accordance With

    Safety information in accordance with EN 61508-2 for TC 1, TC 2, TC 3 8 Safety information in accordance with Fault lock-out Non-volatile fault lock-out, action type 2.V pursuant to EN 61508-2 for TC 1, TC 2, TC 3 EN 60730-2-5, Section 6.4.101. 8 .1 General 8 .1 .2 Other classifications Scope of application...
  • Page 50: Interfaces

    Safety information in accordance with EN 61508-2 for TC 1, TC 2, TC 3 8 .2 Interfaces 8 .2 .2 Connection terminals Supply and control signal terminals 8 .2 .1 Electrical wiring Mains voltage = control voltage 24 V DC, Attachment type X to EN 60730-1.
  • Page 51: Outputs

    Safety information in accordance with EN 61508-2 for TC 1, TC 2, TC 3 8 .2 .4 Outputs SIL Safety Integrity Level/PL Performance Level See page 48 (Safety-specific characteristic values). Safety interlock /OK enable signal at 230/120 V AC mains voltage, max. 3 A resistive load, at 24 V DC mains voltage, max.
  • Page 52: Maintenance Cycles

    Maintenance cycles 9 Maintenance cycles Tightness controls TC require little servicing. We rec- ommend carrying out a function check once a year or twice a year in the case of biogas. TC · Edition 08.17...
  • Page 53: Glossary

    Glossary 10 Glossary NOTE: Diagnostic coverage can exist for the whole or parts of a safety-related system. For example, diagnos- 10 .1 Tightness control tic coverage could exist for sensors and/or logic system The term “tightness control” is the product name of and/or final elements.
  • Page 54: Probability Of Dangerous Failure Pfhd

    Glossary 10 . 7 Probability of dangerous failure PFH Value describing the likelihood of dangerous failure per hour of a component for high demand mode or con- tinuous mode. Unit: 1/h see EN 13611/A2 10 .8 Mean time to dangerous failure MTTF Expectation of the mean time to dangerous failure see EN ISO 13849-1 TC ·...
  • Page 55: Feedback

    Strotheweg 1 · 49504 Lotte (Büren) Germany Tel +49 541 1214-0 We reserve the right to make technical Fax +49 541 1214-370 modifications in the interests of progress. hts.lotte@honeywell.com Copyright © 2017 Elster GmbH www.kromschroeder.com All rights reserved. TC · Edition 08.17...

This manual is also suitable for:

Tc 1Tc 1vTc 1cTc 2Tc 3Tc 4