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IFD 258 · Edition 10.09

6

Application > Examples of application

1 .1 .1 Forced draught burners

Control: ON/OFF
Gas valve and air valve are activated simultaneously. The

burner is ignited and monitored by a single electrode. In the

event of a flame failure, an immediate fault lock-out occurs.

IFD 258

10

L1, N, PE

3

µC

ZMI

VR..R

11

8

9

13

14

4

5

VAS..L

BMS

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Summary of Contents for IFD 258

Page 1: ...lock out or restart following flame failure available as a switchable function Flame control with UV sensor or ionisation sensor Diverse installation possibilities via holes or snap mechanism for DIN rail Space saving installation on site with IFD 258 I with integrated ignition Display for program status and flame signal intensity Automatic burner control unit IFD 258 Technical Information GB ...

Page 2: ... 4 4 1 Safety time during operation tSB for V1 and V2 21 4 4 2 Fault lock out or restart 21 5 Replacement possibilities 23 6 Selection 24 6 1 Determining the safety time tSA 24 6 1 1 Calculating the safety time tSA 24 6 2 Selection table 25 6 2 1 Type code 25 7 Project planning information 26 7 1 Cable selection 26 7 2 Star electrodes 26 7 3 Purge 26 7 4 Emergency stop in the event of fire or elec...

Page 3: ...rt up tSA 34 12 3 Ignition time tZ 34 12 4 Flame simulation Flame simulation delay time tLV 34 12 5 Safety time during operation tSB 35 12 6 Flame signal 35 12 7 Flame detector 35 12 8 Fault lock out 35 12 9 Safety interlocks Limits 35 12 10 Gas valve V1 35 12 11 Continuous operation 35 Feedback 36 Contact 36 ...

Page 4: ...operation It can be used for atmospheric burners or forced draught burn ers in multiple burner applications where a central control system is used for pre purge and for monitoring The burners may be modulating or stage controlled The program status and the level of the flame signal can be read directly from the unit The cut off point can be set using a potentiometer The behaviour in the event of f...

Page 5: ...IFD 258 Edition 10 09 5 Intermittent shuttle kiln in the ceramics industry Bogie hearth furnace Application Roller hearth kiln 1 1 Examples of application ...

Page 6: ...ed draught burners Control ON OFF Gas valve and air valve are activated simultaneously The burner is ignited and monitored by a single electrode In the event of a flame failure an immediate fault lock out occurs IFD 258 10 L1 N PE 3 µC ZMI VR R 11 8 9 13 14 4 5 VAS L BMS ...

Page 7: ... BIO BIC starts at low fire rate Once the normal operating state is reached the automatic burner control unit for continuous operation IFD 258 will release control The PLC can now pulse the air solenoid valve VR R in order to control the capacity between high and low fire IFD 258 10 L1 N PE 3 µC BIO BIC VR R 11 8 9 13 14 4 5 GIK B VAS BMS ...

Page 8: ...s the actuator IC 20 to move the air butterfly valve BVA to ignition position The burner BIO BIC starts at low fire rate Once the normal operating state is reached the PLC uses the actuator IC 20 and the air butterfly valve BVA to control the burner capacity IFD 258 L1 N PE mA BIO BIC VAS IC 20 BVA GIK µC M 10 3 11 8 9 13 14 4 5 BMS ...

Page 9: ...ciation Approval No 4230 http www aga asn au product_directory 2 3 FM approval Factory Mutual Research Class 7610 Combustion Safeguards and Flame Sensing Systems Suitable for applications pursuant to NFPA 86 www fmglobal com Products and Services Product Cer tification Approval Guide 2 4 CSA approval Certified to CAN CSA C 22 2 No 199 M 89 R 2004 Canadian Standards Association Class 3335 01 and 33...

Page 10: ... V ϑ 1 2 3 4 5 6 7 8 9 10 11 12 230V L1 L1 N L2 s1 s2 v2 v1 F1 13 14 max 2 A 253 V IFD 258 3 Function 3 1 Connection diagrams For the explanation of symbols see Legend p 33 For cable selection and wiring see Project planning infor mation p 26 3 1 1 IFD 258 Ionisation control in double electrode operation Ionisation control in single electrode operation ...

Page 11: ...S 1 2 3 c PE max 2 A 253 V ϑ 1 2 3 4 5 6 7 8 9 10 11 12 230V L1 L1 N L2 s1 s2 v2 v1 F1 13 14 max 2 A 253 V IFD 258 Function Connection diagrams IFD 258 UV control In the case of UV control only intermittent operation is possible ...

Page 12: ... 2 3 4 5 6 7 8 9 10 11 12 230V L1 L1 N L2 s1 s2 v2 v1 F1 13 14 max 2 A 253 V IFD 258 Function Connection diagrams UV control In the case of UV control only intermittent operation is possible 3 1 2 IFD 258 I The IFD 258 I is suitable for double electrode operation and for UV control Single electrode operation is not possible Ionisation control in double electrode operation ...

Page 13: ...n of the internal electronic circuitry or of the flame sensor the flame simulation check then commences This takes place in start up position during the waiting time tW If no flame simulation is detected during that period the safety time on start up tSA then starts to elapse Voltage is supplied to the gas valve and ignition transformer The burner starts After the safety time on start up tSA has e...

Page 14: ...he bottom of the window as on a DVD player To play the animation you will need Adobe Reader 6 or a newer version If you do not have Adobe Reader on your system you can download it from the Internet Go to www adobe com click on Get Adobe Reader and follow the instructions If the animation does not start to play you can download it from the document library Docuthek as an independent application Fun...

Page 15: ...gram status In the event of a fault the IFD halts the program run and the display starts to blink The program status and cause of the fault are displayed in coded form Program status DISPLAY Fault message blinking Unit is switched off Start up position standby 00 Waiting time Pause time 01 Flame simulation Safety time on start up tSA 02 Start up without flame signal Operation 04 Flame failure duri...

Page 16: ...he flame signal can be called up on the display by pressing the Reset Information button for 2 seconds The flame signal of the burner is indicated in µA A value between 0 and 25 µA is displayed Important When using an external µ ammeter you must make sure that this µ ammeter cannot trigger an incorrect flame signal ...

Page 17: ...er section of housing 2 Via switch in lower section of housing 3 Quote in your order On parameterisation ensure that the program sequence matches the application Select the parameters so that the burner can be operated as intended in all operating phases 4 1 Scanning the parameters During operation the 7 segment display shows the see Pro gram status and fault messages p 15 The flame signal and all...

Page 18: ...nit still detects a flame can be set between 2 and 20 µA Example In the case of UV control with the UV sensor UVS the signal of the burner to be monitored is influenced by other burners The set value can be increased via a potentiometer in the lower section of the housing so that only the flame of the system s own burner is detected The measured flame signal of the system s own burner should be at...

Page 19: ...rner control unit and the burner Voltage is supplied to the gas valve and ignition transformer After the safety time on start up tSA has elapsed and the flame signal has been received the operation signalling contact between terminals 13 and 14 closes The display indicates the current program status 04 4 3 2 Start up without flame signal tW t 1 3 10 11 5 13 14 8 9 L1 tZ tSA ϑ 01 02 88 02 If after ...

Page 20: ...e simulation delay time tLV max 25 s the burner will start up Otherwise a fault lock out occurs The display blinks and indicates 01 Start up signal safety interlock The start up signal is the same as the signal in the safety interlock If the start up safety interlock signal drops more than four times in succession during start up an inadmissible quantity of non combusted gas can reach the combusti...

Page 21: ...an immediate fault lock out for the burner after a flame failure see Behaviour in the event of flame failure p 27 Immediate fault lock out following flame failure Parameter 12 0 Switch in fault lock out position tSB t 1 3 10 11 5 L1 04 04 88 13 14 8 9 ϑ 2 s After a flame failure during operation the IFD 258 will perform a fault lock out within the safety time during operation tSB the safety time d...

Page 22: ...t lock out occurs The display blinks and indicates 02 If on restart the automatic burner control unit detects a flame signal within the safety time on start up tSA the operation signalling contact closes The display indicates the current program status 04 In accordance with EN 746 2 a restart may be conducted only if the safety of the installation is not impaired Restart is recommended for burners...

Page 23: ...ating signals Signalling contact for fault and operating signals Flame signal called up via test jacks in upper section of housing using external measuring instrument The flame signal can be called up on the 2 digit 7 segment display Complies with requirements in accordance with EN 1993 Complies with requirements in accordance with EN 2003 Fault signal with no mains voltage supplied Fault signal w...

Page 24: ...time on start up tSA 3 s 5 s or 10 s should be indicated when ordering The details are based on the 1997 edition of EN 746 2 70 kW 70 kW 5 s 3 s 350 kW 350 kW 10 s 10 s 5 s EN 746 2 0 PN tSA PZ 0 1 PN PZmax 350 kW PZ 0 33 PN PZmax 350 kW PN rated capacity PZ Pilot burner capacity this is defined via the gas valve V1 The safety time on start up tSA depends on the burner type the burner capacity and...

Page 25: ... Code Description IFD Automatic burner control unit 2 Series 200 5 With ionisation or UV control 8 Immediate fault lock out or restart switchable 3 5 10 Safety time on start up tSA 3 s 5 s 10 s 1 2 Safety time during operation tSB 1 s 2 s W Q Y P Mains voltage 230 V 50 60 Hz 120 V 50 60 Hz 200 V 50 60 Hz 100 V 50 60 Hz I Integrated electronic ignition if none this specification is omitted ...

Page 26: ...e as far apart as possible Screw the ignition cable securely into the ignition transformer TGI TZI and feed it out of the unit on the shortest possible route no loops Only use radio interference suppressed electrode adapters with 1 kΩ resistor for ignition electrodes see Accessories p 30 UV cable The UV cable should be no longer than 100 m and should be laid as far as possible from the ignition ca...

Page 27: ...lure The fault signalling contact does however open as soon as the mains voltage fails 7 8 Remote reset Permanent The unit can no longer be reset by permanent remote reset If a remote reset signal is permanently applied to terminal 4 52 flashes on the display as a warning signal The IFD continues operation until it locks off Automatic PLC Check whether automatic remote reset PLC complies with stan...

Page 28: ...eason the gas so lenoid valve should be installed as close as possible to the burner itself 7 13 Flame control 7 13 1 With ionisation sensor The IFD generates an alternating voltage 230 V AC between the sensing electrode and burner earth The flame rectifies this voltage Only the DC signal 2 µA is recognised by the automatic burner control unit as a flame A flame cannot be simulated by a short circ...

Page 29: ...rner The ignition time tZ is constant The safety time tSA starts with the ignition time tZ If a flame is detected during the safety time the operation signalling contact closes and valve 2 is opened once the safety time tSA has elapsed If no flame is detected the fault signalling contact closes once the safety time tSA has elapsed Example of application Control ON OFF or ON HIGH LOW OFF The burner...

Page 30: ... FZLK 1 7 5 C 23 F to 80 C 176 F Order No 04250409 8 2 Radio interference suppressed electrode adapters Plug cap 4 mm 0 16 inch interference suppressed Order No 04115308 Straight adapter 4 mm 0 16 inch interference suppressed Order No 04115307 Straight adapter 6 mm 0 2 inch interference suppressed Order No 04115306 ...

Page 31: ... 253 V Signal 0 0 20 V 0 40 V Frequency 50 60 Hz Input current signal inputs Signal 1 typ 2 mA Flame control sensor voltage approx 230 V AC length of sensor cable max 75 m for ionisation control max 100 m for UV control sensor current 2 µA cut off point can be adjusted between 2 and 20 µA max sensor current for ionisation control 25 µA Permissible UV sensors Elster Kromschröder models UVS 1 5 and ...

Page 32: ...selected carefully in order to ensure that the display can easily be read The housing is made of impact resistant plastic The upper section containing the detection circuitry is a push connection fit into the lower section The connec tion terminals earthing strip and neutral bus are located in the lower section The upper section of the housing is attached to the lower section using two screws The ...

Page 33: ...de démarrage Transformateur d allumage Vanne gaz Signal de flamme Indication de service RUN Indication de défaut Réarmement info Signal d entrée Signal de sortie Z Allumage haute tension I Ionisation Entrée sortie circuit de sécurité tW Temps d attente tLV Temps de temporisation de flamme parasite tZ Temps d allumage tSA Temps de sécurité au démarrage 3 5 ou 10 s tSB Temps de sécurité en service 1...

Page 34: ...g time of the burner and automatic burner control unit 12 3 Ignition time tZ If no malfunction is detected during the waiting time tW the ignition time tZ then starts to elapse Voltage is supplied to the gas valve V1 and the ignition transformer and the burner is ignited The duration of the ignition time is either 2 3 or 6 seconds see Technical data p 31 tW t 1 3 10 11 5 8 9 13 14 ϑ L1 tZ tSA 88 0...

Page 35: ... and a relay to produce the signal These components with the exception of the flame sensor itself are accommodated within a single housing IFW 50 12 8 Fault lock out In the event of a fault lock out all valves are closed and a fault signalled Resetting must take place manually following a fault lock out 12 9 Safety interlocks Limits The limiters in the safety interlock linking of all the relevant ...

Page 36: ...n find my way around I got lost No answer Use To get to know the product To choose a product Planning To look for information My scope of functions Technical department Sales No answer Remarks Adobe Reader 7 or higher required 1 Elster Kromschröder GmbH Postfach 2809 49018 Osnabrück Strotheweg 1 49504 Lotte Büren Germany T 49 541 1214 0 F 49 541 1214 370 info kromschroeder com www kromschroeder co...

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