krom schroeder IFD 258 Technical Information
Automatic burner control unit, for directly ignited burners of unlimited capacity in continuous operation pursuant to en 746-2 continuous self-testing for faults immediate fault lock-out or restart following flame failure available as a switchable functio
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Automatic burner control unit IFD 258
Technical Information · GB
Technical Information · GB
6.1.1.5 Edition 10.09
• For directly ignited burners of unlimited capacity in
continuous operation pursuant to EN 746-2
• Continuous self-testing for faults
• Immediate fault 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
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Table of Contents
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Summary of Contents for krom schroeder IFD 258
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Page 1: Automatic Burner Control Unit Ifd 258
• 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... -
Page 2: Table Of Contents
Automatic burner control unit IFD 258 . . . . . . . . . . . . . . . . . 1... -
Page 3: Contents
Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 IFD 258 · Edition 10.09... -
Page 4: Application
The cut-off point can be set using a potentiometer. The behaviour in the event of flame failure during operation IFD 258 can be selected using a switch. Either an immediate fault lock-out or a restart occurs. IFD 258 · Edition 10.09... -
Page 5: Examples Of Application
Application 1 .1 Examples of application Intermittent shuttle kiln in the ceramics industry Roller hearth kiln Bogie hearth furnace IFD 258 · Edition 10.09... -
Page 6: Forced Draught Burners
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. L1, N, PE IFD 258 µC VAS..L VR..R IFD 258 · Edition 10.09... -
Page 7: Two-Stage-Controlled Burner
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. L1, N, PE IFD 258 µC GIK..B BIO/ VR..R IFD 258 · Edition 10.09... -
Page 8: Modulating-Controlled Burner
The burner BIO/BIC starts at low-fire rate. Once the normal operating state is reached, the PLC uses the actuator IC 20 L1, N, PE and the air butterfly valve BVA to control the burner capacity. IFD 258 µC BIO/ IC 20 IFD 258 · Edition 10.09... -
Page 9: Certification
Certified to CAN/CSA – C 22.2 No. 199-M 89 (R 2004), Canadian Standards Association Class: 3335-01 and 3335-81 “Systems (Gas)-Automatic Ignition and Components” http://directories.csa-international.org 2 .5 Approval for Russia Certified by Gosstandart pursuant to GOST-R. Approved by Rostekhnadzor (RTN). IFD 258 · Edition 10.09... -
Page 10: Function
Ionisation control in single-electrode operation IFD 258 1 2 3 4 5 6 7 8 9 10 11 12 13 14 max. max. 2 A, 2 A, 253 V~ 253 V~ ϑ L1 (L1) N (L2) IFD 258 · Edition 10.09... - Page 11 In the case of UV control, only intermittent operation is possible. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 max. max. 2 A, 2 A, 253 V~ 253 V~ ϑ L1 (L1) N (L2) IFD 258 · Edition 10.09...
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Page 12: Ifd 258
Function > Connection diagrams 3 .1 .2 IFD 258 . .I IFD 258 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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 max. -
Page 13: Program Sequence
If the burner does not function, a fault lock-out occurs. Normal shut-down via ϑ signal Operation signalling contact opens, gas valve closes IFD 258 · Edition 10.09... -
Page 14: Animation
(as on a DVD If the animation does not start to play, you can download player). it from the document library (Docuthek) as an independent application. IFD 258 · Edition 10.09... -
Page 15: Program Status And Fault Messages
Flame simulation Safety time on start-up t 0 2 Start-up without flame signal Operation Flame failure during operation Oscillating thermostat signal Too many remote resets Permanent remote reset Time between two start-ups is too short IFD 258 · Edition 10.09... -
Page 16: Reading Off The Flame Signal
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. IFD 258 · Edition 10.09... -
Page 17: Parameters
Reset/Information button (for 2 s). In the event of a fault, the IFD halts the program run, the dis- play blinks and it then displays the cause of the fault in coded form. IFD 258 · Edition 10.09... -
Page 18: Flame Control
“own” burner is detected. The measured flame signal of the system’s “own” burner should be at least 3 µA (empirical value) higher than the set switch- off threshold. IFD 258 · Edition 10.09... -
Page 19: Behaviour During Start-Up
13 and 14 closes. The display indicates the current program status 0 4 . IFD 258 · Edition 10.09... -
Page 20: Flame Simulation
If the flame simulation is discontinued during the flame simulation delay time t (max. 25 s), the burner will start up. Otherwise, a fault lock-out occurs. The display blinks and indicates 0 1 . IFD 258 · Edition 10.09... -
Page 21: Behaviour During Operation
Parameter 12 = 0, Switch in fault lock-out position : 13–14 < 2 s 8–9 t SB After a flame failure during operation, the IFD 258 will perform a fault lock-out within the safety time during operation t (the IFD 258 · Edition 10.09... - Page 22 The precondition for a restart is that activation of the restart allows the burner to restart as intended (in all operating phases). It must be ensured in this case that the program sequence started by the IFD matches the application. IFD 258 · Edition 10.09...
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Page 23: Replacement Possibilities
The housing dimensions and hole pattern are unchanged. The new upper section of the housing will fit on the existing lower section (for further information see operating instructions “Automatic burner control unit for continuous operation IFD 258”). IFS 258 IFD 258 D-49018 Osnabrück, Germany... -
Page 24: Selection
= 350 kW Zmax = rated capacity = Pilot burner capacity (this is defined via the gas valve V1) The safety time on start-up t depends on the burner type, the burner capacity and the respective application. IFD 258 · Edition 10.09... -
Page 25: Selection Table
● ● ● ● ● Series 200 * Only available for IFD 258..Q and IFD 258..W. With ionisation or UV control standard available Immediate fault lock-out or restart, switchable Order example Safety time on start-up t : 3 s... -
Page 26: Project Planning Information
Purge TGI/TZI and feed it out of the unit on the shortest possible BIO/ route (no loops). VR..R Only use radio interference suppressed electrode adapters (with 1 kΩ resistor) for ignition electrodes, see [Accessories – p. 30]. IFD 258 · Edition 10.09... -
Page 27: Emergency Stop In The Event Of Fire Or Electric Shock
Several automatic burner control units can be reset in parallel using the external button. The IFD 258 cannot be reset by mains failure. The fault signalling contact does, however, open as soon as the mains voltage fails. IFD 258 · Edition 10.09... -
Page 28: Wiring
IFD is set to 2 µA at the factory. lenoid valve should be installed as close as possible to the If a flame is detected during the burner start, 01 flashes on burner itself. the display to indicate a fault. IFD 258 · Edition 10.09... -
Page 29: Two-Stage Burner Control With Two Solenoid Valves
IFD 258 opens the gas valve V1 and ignites the burner. The ignition time t is constant. The safety time t starts with the ignition time t . If a flame is detected during the safety time, the operation signalling contact closes IFD 258 · Edition 10.09... -
Page 30: Accessories
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. IFD 258 · Edition 10.09... -
Page 31: Technical Data
Signal “1” 80 – 132 V 160 – 253 V Signal “0” 0 – 20 V 0 – 40 V Weight: Frequency 50/60 Hz IFD 258: 610 g, IFD 258..I: 770 g. Input current signal inputs: Signal “1”: typ. 2 mA. IFD 258 · Edition 10.09... -
Page 32: Operating Controls
DIN rail or secured with two M5 screws. In order to obtain enclosure IP 54, two sealing washers must be placed beneath the M5 screws. The housing has 6 knock-out holes for M16 plastic screw connectors. IFD 258 · Edition 10.09... -
Page 33: Maintenance Cycles
Entrée / sortie circuit de sécurité Temps d’attente Temps de temporisation de fl amme parasite Temps d’allumage Temps de sécurité au démarrage 3, 5 ou 10 s Temps de sécurité en service < 1 s ou < 2 s IFD 258 · Edition 10.09... -
Page 34: Glossary
The safety time on start-up t (3, 5 or 10 s) is the up can be initiated or operation continued. Otherwise, a fault minimum operating time of the burner and automatic burner lock-out occurs. control unit. IFD 258 · Edition 10.09... -
Page 35: Safety Time During Operation T Sb
(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. IFD 258 · Edition 10.09... -
Page 36: Feedback
Strotheweg 1 · 49504 Lotte (Büren) We reserve the right to make technical Germany modifications in the interests of progress. T +49 541 1214-0 Copyright © 2007 Elster Group F +49 541 1214-370 All rights reserved. info@kromschroeder.com www.kromschroeder.com www.elster.com IFD 258 · Edition 10.09...
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