DURAG D-LX 100 All-In-One User manual
English 08/2004English 08/2004
DURAGDURAG GmbHGmbH
Kollaustraße 105 · D-22453 Hamburg · Tel. Kollaustraße 105 · D-22453 Hamburg · Tel. +49 40 55 42 18-0 · Fax +49 40 58 41 54+49 40 55 42 18-0 · Fax +49 40 58 41 54
Internet: www.durag.deInternet: www.durag.de·· Email: [email protected]Email: [email protected]
D-LX 100D-LX 100
All-In-OneAll-In-One
Flame ScannerFlame Scanner
EuropeanEuropean
StandardStandard EN 230: 1991EN 230: 1991
Gas applianceGas appliance
directivedirective
90/396/EWG90/396/EWG
Pressure equipmentPressure equipment
directivedirective
97/23/EG97/23/EG
Fuel Fuel Oil Oil Gas Gas Oil Oil + + GasGas
Register Number:Register Number: 5F161/03 5F161/03 CE-0085AT039CE-0085AT0397 7 BAF BAF MUC MUC 03 03 04 04 072357 072357 003003
Tested by Tested by TÜV SüddeutschlandTÜV Süddeutschland
Approved for interApproved for intermittent operation, comittent operation, continuous operantinuous operation and 72-hotion and 72-hour operation.ur operation.
Registered by DVGW and DIN CERTCORegistered by DVGW and DIN CERTCO
American Standard: American Standard: UL 372 UL 372 FM Class 7610FM Class 7610
Registration Number:Registration Number: MH25226 MH25226 3000072 3000072 and and 30104103010410
!!
Important Notice!Important Notice!
Flame monitors are safety relevant devices which shall ensure a safeFlame monitors are safety relevant devices which shall ensure a safe
operation of furnaces.operation of furnaces.
Please read this manual carefully before setting the flame monitor intoPlease read this manual carefully before setting the flame monitor into
operation.operation.
The adjustment of flame monitors shall be carried out only by trainedThe adjustment of flame monitors shall be carried out only by trained
staff. Therefore, DURAG offers suitable courses.staff. Therefore, DURAG offers suitable courses.
Flame Monitors Flame Monitors are certified devices. are certified devices. Any modifications will Any modifications will result in result in aa
loss loss of of such such certificaticertification. on. Repairs should Repairs should be be made made only only by by thethe
manufacturer or its representatives.manufacturer or its representatives.
D-LX 100D-LX 100
Table of ContentsTable of Contents
1.1. General InformationGeneral Information.........................................................................................................................................................................................................................1.........................1
2.2. Block DiagraBlock Diagramm ..............................................................................................................................................................................................................................2......................................2
3.3. Functional DescFunctional Descriptionription ...............................................................................................................................................................................................3.........................................3
4.4. Self-Check.........................................................................................................................................4Self-Check.........................................................................................................................................4
5.5. FaultFault.........................................................................................................................................................................................................................................4.............................................................4
5.1.5.1.
Error Codes of the 1Error Codes of the 1
stst
CPU:CPU: ................................................................................................................................................................................................4............4
6.6. InstallationInstallation.................................................................................................................................................................................................................................5.................................................5
6.1.6.1. Start-Up.....................................................................................................................................6Start-Up.....................................................................................................................................6
7.7. Programming the Flame Programming the Flame Scanner...................................................................................................6Scanner...................................................................................................6
7.1.7.1. Setting the Flame Setting the Flame Recognition Threshold..................................................................Recognition Threshold.................................................................................7...............7
7.2.7.2. Flame Recognition ThresholdFlame Recognition Thresholds as a s as a Function of the Rocker Function of the Rocker Switch Setting............................8Switch Setting............................8
7.3.7.3. Setting Setting the the AmplificationAmplification...............................................................................................................................................................................................................9.........9
7.4.7.4. Adjusting the FAdjusting the Flame Scannelame Scanner D-LX 100…94Ex r D-LX 100…94Ex and D-LX 100…and D-LX 100…/95Ex/95Ex ...................................9...................................9
7.5.7.5. D-ZS 087-20 Digital Display UnD-ZS 087-20 Digital Display Unitit ............................................................................................1............................................................................................100
8.8. Safety TimSafety Timee ........................................................................................................................................................................................................................10..................................................10
9.9. Integrated Flame ScannIntegrated Flame Scannerer .....................................................................................................................................................................................................10.....................10
9.1.9.1. Ultraviolet Flame Ultraviolet Flame Scanner................................................................................Scanner.......................................................................................................10.......................10
9.2.9.2. Infrared Flame ScanInfrared Flame Scannerner ........................................................................................................................................................................................................11............11
9.3.9.3. Selection Criteria for the D-LX 100 All-In-One Flame ScannerSelection Criteria for the D-LX 100 All-In-One Flame Scanner..............................................12..............................................12
9.4.9.4. Overview of D-LX 100 All-In-One Flame ScannerOverview of D-LX 100 All-In-One Flame Scanner ..................................................................1..................................................................122
9.5.9.5. Options....................................................................................................................................12Options....................................................................................................................................12
10.10.Technical DataTechnical Data ..........................................................................................................................................................................................................................13......................................13
10.1.10.1.Technical Data of the Integrated Flame ScannTechnical Data of the Integrated Flame Scannerer ...................................................................13...................................................................13
10.2.10.2.Technical Data and Configuration of Inputs and OutputsTechnical Data and Configuration of Inputs and Outputs.......................................................13.......................................................13
10.3.10.3.D-LX 100 D-LX 100 Dimensional Drawing..............................................................................................14Dimensional Drawing..............................................................................................14
10.4.10.4.D-LX 100 Wiring DiagramD-LX 100 Wiring Diagram............................................................................................................................................................................................15..................15
10.5.10.5.D-LX 100 … /94 Ex and D-LX 100…/95Ex Housing for Hazardous AreasD-LX 100 … /94 Ex and D-LX 100…/95Ex Housing for Hazardous Areas ............................16............................16
10.6.10.6.Wiring Diagram for Wiring Diagram for D-LX 100…/94Ex and D-LX D-LX 100…/94Ex and D-LX 100…/95100…/95Ex.................................................17Ex.................................................17
10.7.10.7.D-LX 100 … /96 Ex for Hazardous Areas Class I, D-LX 100 … /96 Ex for Hazardous Areas Class I, Div. 2, Group A,B,C&DDiv. 2, Group A,B,C&D............................18............................18
10.8.10.8.D-LX 100 … /97 D-LX 100 … /97 Ex for Hazardous Areas Ex for Hazardous Areas Zone 2...................................................................1Zone 2...................................................................199
10.9.10.9.Cable and Cable and Shielding................................................................................................................2Shielding................................................................................................................200
11.11.MaintenancMaintenance and Servicee and Service ..................................................................................................................................................................................................21..........................21
11.11. 1 Replacement of the Shutter and the UV-Photocell on the D-LX 100 UL.............................211 Replacement of the Shutter and the UV-Photocell on the D-LX 100 UL.............................21
12.12.Available AccessAvailable Accessoriesories .......................................................................................................................................................................................................23...............................23
12.1.12.1.D-ZS 087-20 Digital D-ZS 087-20 Digital Display..................................................................................Display....................................................................................................23..................23
12.2.12.2.D-NG 24/05 AC-PoweD-NG 24/05 AC-Power Supplyr Supply ...............................................................................................2...............................................................................................244
12.3.12.3.D-ZS 033-I Ball Type AdjustmD-ZS 033-I Ball Type Adjustment Flangeent Flange ...............................................................................25...............................................................................25
12.4.12.4.D-ZS 033-III Ball Type AdjustmD-ZS 033-III Ball Type Adjustment Flangeent Flange .............................................................................26.............................................................................26
12.5.12.5.Weather Protection Weather Protection Hood............................................................................Hood........................................................................................................27............................27
13.13.Approvals........................................................................................................................................28Approvals........................................................................................................................................28
13.1.13.1.DIN-CERTCO..........................................................................................................................28DIN-CERTCO..........................................................................................................................28
13.2.13.2.EC Gas ApplianEC Gas Appliance Directive 90/39ce Directive 90/396/EC6/EC .................................................................................28.................................................................................28
13.3.13.3.EC Pressure EquipmenEC Pressure Equipment Directive 97/23/ECt Directive 97/23/EC ..........................................................................29..........................................................................29
13.4.13.4.UL-ListingUL-Listing...................................................................................................................................................................................................................29.............................................29
13.5.13.5.CUL-ListingCUL-Listing .............................................................................................................................................................................................................................30.............................30
13.6.13.6.FM-ListingFM-Listing .................................................................................................................................................................................................................................30.............................30
13.7.13.7.
ATEX Certificate.....................................ATEX Certificate................................................................................................................................................................................................31.......31
13.8.13.8.EC Declaration EC Declaration of Conformiof Conformityty .................................................................................................3.................................................................................................322
D-LX D-LX 100100
IllustrationsIllustrations
(Fig. 1)(Fig. 1) D-LX 100 block diaD-LX 100 block diagramgram ........................................................................................................................................................................................................2....2
(Fig. 2)(Fig. 2) D-LX 100 with D-ZS 087D-LX 100 with D-ZS 087 ....................................................................................................................................................................................................3........3
(Fig. (Fig. 3) 3) Location Location of of fuses..................................................................................................................5fuses..................................................................................................................5
(Fig. 4)(Fig. 4) Flame recognitioFlame recognition thresholds as function of the rocker switch settingn thresholds as function of the rocker switch setting................................8................................8
(Fig. 5)(Fig. 5) Adjusting an eAdjusting an explosion-proof flaxplosion-proof flame scanner........................................................................9me scanner........................................................................9
(Fig. 6)(Fig. 6) Dimensional Dimensional drawing: drawing: D-LX D-LX 100100 .......................................................................................1.......................................................................................144
(Fig. 7)(Fig. 7) Wiring diagram: D-LX 100…-P, D-LX 100…/96Ex and D-LX 100…/97Ex........................15Wiring diagram: D-LX 100…-P, D-LX 100…/96Ex and D-LX 100…/97Ex........................15
(Fig. 8)(Fig. 8) Dimensional drawing: Ex-proof housing type K.................................................................16Dimensional drawing: Ex-proof housing type K.................................................................16
(Fig. 9)(Fig. 9) Wiring diagram: D-LX 100…/94Ex and D-LX 100…Wiring diagram: D-LX 100…/94Ex and D-LX 100…/95Ex/95Ex ................................................17................................................17
(Fig. 10)(Fig. 10) Dimensional drawinDimensional drawing: D-LX 100…/96Exg: D-LX 100…/96Ex ...........................................................................18...........................................................................18
(Fig. 11)(Fig. 11) Dimensional drawinDimensional drawing: D-LX 100…/97Exg: D-LX 100…/97Ex ...........................................................................19...........................................................................19
(Fig. 12)(Fig. 12) Cable and Cable and Shielding............................................................................................Shielding...........................................................................................................20...............20
(Fig. (Fig. 13) 13) Power Power supply supply and and error error suppressionsuppression.................................................................................2.................................................................................200
(Fig. (Fig. 14) 14) Shutter-Block Shutter-Block with with UV UV Cell.................................................................................................21Cell.................................................................................................21
(Fig. 15)(Fig. 15) Layout of the Shutter bloLayout of the Shutter block with the UV-Cellck with the UV-Cell .....................................................................22.....................................................................22
(Fig. 16)(Fig. 16) Dimensional drawing: D-ZS Dimensional drawing: D-ZS 087-20...................................................................................23087-20...................................................................................23
(Fig. 17)(Fig. 17) Dimensional drawing: D-NG 24/05Dimensional drawing: D-NG 24/05....................................................................................2....................................................................................244
(Fig. 18)(Fig. 18) Dimensional drawing: D-ZS 033-I Dimensional drawing: D-ZS 033-I ball type adjustment flange..........................................25ball type adjustment flange..........................................25
(Fig. 19)(Fig. 19) Dimensional drawing: D-ZS 033-III Dimensional drawing: D-ZS 033-III ball type adjustment flange........................................26ball type adjustment flange........................................26
(Fig. 20)(Fig. 20) Dimensional drawinDimensional drawing: D-WSH 603g: D-WSH 603 ....................................................................................2....................................................................................277
D-LX D-LX 100 100 PagePage11
1. 1. General General InformationInformation
The D-LX 100 All-In-One Flame Scanner consists of a control unit and an optical flame scanThe D-LX 100 All-In-One Flame Scanner consists of a control unit and an optical flame scanner. ner. TheThe
flame scanner is suitable for monitoring flames from a variety of fuels and combustion techniques,flame scanner is suitable for monitoring flames from a variety of fuels and combustion techniques,
particularly in single burner applparticularly in single burner applications. ications. Uses for this flame scanner include remote heUses for this flame scanner include remote heating stations,ating stations,
chemical processes or thermal flue chemical processes or thermal flue gas combustion systems.gas combustion systems.
The D-LX 100 All-In-One Flame Scanner offers an extremely high degree of safety and availability byThe D-LX 100 All-In-One Flame Scanner offers an extremely high degree of safety and availability by
using two microprocessors operating in parallel, with corresponding hardware and software. Theusing two microprocessors operating in parallel, with corresponding hardware and software. The
hardware is designed to follow all hardware is designed to follow all EC guidelines and laws relevant to EC guidelines and laws relevant to electromagneelectromagnetic compatibility.tic compatibility.
Thanks to the fail-safe design of the hardware, and the software’s continuous checks of all safety-Thanks to the fail-safe design of the hardware, and the software’s continuous checks of all safety-
related functions, the D-LX 100 meets the European standards EN 230 (oil) and EN 298 (gas), as wellrelated functions, the D-LX 100 meets the European standards EN 230 (oil) and EN 298 (gas), as well
as technical guidelines for steam boilers TRD 411 to 414 and TRD 604 for intermittent, continuousas technical guidelines for steam boilers TRD 411 to 414 and TRD 604 for intermittent, continuous
and 72-hour operation.and 72-hour operation.
In order to In order to accurately monitor various types of flames and accurately monitor various types of flames and combustion conditioncombustion conditions, five different modelss, five different models
are available, with spectral sensitivities in the UV and IR spectrums.are available, with spectral sensitivities in the UV and IR spectrums.
The flame recognition threshold for the flame scanner can be programmed to one of ten differentThe flame recognition threshold for the flame scanner can be programmed to one of ten different
settings using a push button switch on the fronsettings using a push button switch on the front panel. t panel. The scanner’s safety time, which refers to theThe scanner’s safety time, which refers to the
number of seconds benumber of seconds before the scanner will signal flame ofore the scanner will signal flame outage, is set at the factory to 1 s. utage, is set at the factory to 1 s. LongerLonger
safety periods of 3 or 5 s safety periods of 3 or 5 s may be programmed in upon request.may be programmed in upon request.
If one chooses the most suitable All-In-One flame scanner, positions it correctly on the sighting tube,If one chooses the most suitable All-In-One flame scanner, positions it correctly on the sighting tube,
and properly sets the threshold, one will and properly sets the threshold, one will always be able to selectively monitor single burners or always be able to selectively monitor single burners or even aeven a
furnace.furnace.
The essential operational groups of the control unit are depicted in the D-LX 100 block diagram (fig.The essential operational groups of the control unit are depicted in the D-LX 100 block diagram (fig.
1):1):
•• Dual-channel Dual-channel microprocessor systemicroprocessor systems for conms for control and trol and oversight of oversight of flame mflame monitoring fuonitoring functions.nctions.
•• Integrated Integrated flame flame scanner scanner with shwith shutter drive utter drive for pefor performing rforming self-checks.self-checks.
•• Dynamically driven Dynamically driven fault relay, K1; intefault relay, K1; internal operating volrnal operating voltages and all safetages and all safety-related hardwarety-related hardware
functions are monitored.functions are monitored.
•• Guided Guided flame flame relay, relay, K2, K2, with with self-checking self-checking circuit.circuit.
•• Programmable Programmable flame flame recognition recognition thresholdthreshold
•• LED displaLED display for indy for indicating opicating operational erational readiness, flareadiness, flame signame signal or faul or fault.lt.
•• 4-20 (or 4-20 (or 0-20) mA 0-20) mA analog analog output for output for external diexternal display of splay of flame inflame intensity.tensity.
PagePage2 2 D-LX D-LX 100100
2. 2. Block Block DiagramDiagram
F
F22
UBUB
FF11
LL--LL++PPEE
RARAZZ
UUBB00VV
K1.2K1.2
K1.1K1.1
K1K1
K2K2 K2.2K2.2
0V0V
LL
XX
11
00
00
--
00
11
--
00
00
44
Read backRead back
flame relayflame relay
ShutterShutter
Photo elementPhoto element
Flame ONFlame ON
Power supplyPower supply
ready for operationready for operation
Data compareData compare
SynchronizationSynchronization
PowerPower
supplysupply
Internal resetInternal reset DynamicDynamic
safety circuitsafety circuit
LEDLED
indicatorindicator
Current outputCurrent output
0 / 4 - 20mA0 / 4 - 20mA Flame intensityFlame intensity
FlameFlame
thresholdthreshold
Safety timeSafety time
soldering fieldsoldering field
AmplifiAmplifierer FilterFilter Pulse stagePulse stage
Flame Monitor UL / UA / UAF / IS / IGFlame Monitor UL / UA / UAF / IS / IG
PulsePulse
(Fig. (Fig. 1) 1) D-LX D-LX 100 100 block block diagramdiagram
D-LX D-LX 100 100 PagePage33
3. 3. Functional Functional DescriptionDescription
The photo elements used in the integrated optical flame scanner evaluate different spectral ranges ofThe photo elements used in the integrated optical flame scanner evaluate different spectral ranges of
the flame. the flame. Those scanners with seThose scanners with semiconductor phomiconductor photo elements cover ranto elements cover ranges from short-wave UV-Ages from short-wave UV-A
to infrared. to infrared. The signal from the phoThe signal from the photo element passes throuto element passes through an amplifier with suppressiogh an amplifier with suppression of anyn of any
constant (non-dynconstant (non-dynamic) emitted eamic) emitted energy. nergy. This amplifier caThis amplifier can be set to on be set to one of two differene of two different levels. nt levels. AfterAfter
the amplifier, the signal runs through a the amplifier, the signal runs through a high-pass filter and a pulse generation stage.high-pass filter and a pulse generation stage.
DURAG also offers a DURAG also offers a D-LX 100 flame scanner employing a UV D-LX 100 flame scanner employing a UV photocell, which can monitor flames inphotocell, which can monitor flames in
the UV-C range, where wavelethe UV-C range, where wavelength is very short. ngth is very short. In this range it is unneceIn this range it is unnecessary to suppress any nonssary to suppress any non--
dynamic flame enedynamic flame energy. rgy. This makes it possible to evaThis makes it possible to evaluate the often very higluate the often very high portion of constah portion of constantnt
energy generated by the flameenergy generated by the flame. . Due to the way the photocell operates, it is unnecessary to equippeDue to the way the photocell operates, it is unnecessary to equippedd
this integrated flame scannthis integrated flame scanner with an amplifier, high-paer with an amplifier, high-pass filter or pulse generation stage. ss filter or pulse generation stage. The cellThe cell
itself generates pulses using the voltage supply via an RC reset circuit.itself generates pulses using the voltage supply via an RC reset circuit.
The pulses generated by the integrated flame scanners, which offer a measure of the flame intensity,The pulses generated by the integrated flame scanners, which offer a measure of the flame intensity,
are transmitted to the microprocessor system and will are transmitted to the microprocessor system and will trigger a flame ON or OFF signal, depending ontrigger a flame ON or OFF signal, depending on
the flame recognition threshold programmed in.the flame recognition threshold programmed in.
Three features are available for the flame signal: 1) a fail-safe relay contact, K2, 2) a green LED onThree features are available for the flame signal: 1) a fail-safe relay contact, K2, 2) a green LED on
the front panel, and 3) a currenthe front panel, and 3) a current output for display of the flamt output for display of the flame intensity. e intensity. The current output is set atThe current output is set at
the factory to either 4-20 or 0-20 mA.the factory to either 4-20 or 0-20 mA.
Both operational readiness and fault status are signaled via a contact in the K1 fault relay, and either aBoth operational readiness and fault status are signaled via a contact in the K1 fault relay, and either a
yellow (ready) or red (fault) LED on the yellow (ready) or red (fault) LED on the front panel.front panel.
The DURAG D-ZS 087-20 DispThe DURAG D-ZS 087-20 Display Unit may be plugglay Unit may be plugged into the jack on the front paed into the jack on the front panel. nel. This deviceThis device
displays the flame intensity as a pulse signal between 0 and 4095 pulses/sec. and further aides indisplays the flame intensity as a pulse signal between 0 and 4095 pulses/sec. and further aides in
setting the proper setting the proper flame recognition threshold.flame recognition threshold.
D-LX
D-LX100100
99
00
99
00
D-ZS 087D-ZS 087D-ZS 087D-ZS 087
D-ZS 087- 20D-ZS 087- 20
RReesseettMMooddee
VV
22
VV
11
Gain selection (covered by housing)Gain selection (covered by housing) Status displayStatus display
Digital Display D-ZS 087-20Digital Display D-ZS 087-20
(only for setup)(only for setup)
Reset buttonReset button
Connection for D-ZS 087-20Connection for D-ZS 087-20
Flame threshold adjustmentFlame threshold adjustment
(Fig. (Fig. 2) 2) D-LX D-LX 100 100 with with D-ZS D-ZS 087087
PagePage4 4 D-LX D-LX 100100
4. Self-Check4. Self-Check
The D-LX 100 All-In-One Flame Scanner is fail-safe and self-checking, in accordance with EuropeanThe D-LX 100 All-In-One Flame Scanner is fail-safe and self-checking, in accordance with European
EN standards for EN standards for flame scanning flame scanning equipment. equipment. After power-up, the After power-up, the flame scanner pflame scanner performs a self-erforms a self-
check, which is check, which is constantly performed during continuous operation.constantly performed during continuous operation.
If employed for continuous operation, any component failure that jeopardizes the safety-relatedIf employed for continuous operation, any component failure that jeopardizes the safety-related
functions of a scanner must trigger an error shufunctions of a scanner must trigger an error shutdown. tdown. The D-LX 100 is therefore eThe D-LX 100 is therefore equipped with aquipped with a
dual-channel dual-channel microprocessor systemicroprocessor system. m. This system This system controls all controls all functions afunctions and self-chend self-checks, andcks, and
monitors all safety-related timmonitors all safety-related timing sequenceing sequences. s. Input and outpuInput and output status is independt status is independently checked andently checked and
compared by the microprocompared by the microprocessors. cessors. Only if they agree is operation alloOnly if they agree is operation allowed to continue.wed to continue.
If the controller signals flaIf the controller signals flame ON, the integrame ON, the integrated flame scanneted flame scanner is automatically mor is automatically monitored. nitored. ThisThis
occurs every second for 0.2 s via the activation of a shutteoccurs every second for 0.2 s via the activation of a shutter. r. The shutter is a transistor separating theThe shutter is a transistor separating the
photo elemenphoto element from the electronics. t from the electronics. In the case of the D-LX 100 UL, a long-laIn the case of the D-LX 100 UL, a long-lasting mechanical shsting mechanical shutterutter
is used to inteis used to interrupt the path frorrupt the path from the photo m the photo element to thelement to the electronics. e electronics. The interruptioThe interruption of then of the
photocurrent simulates the outage of a flame and must result in a drop in the flame signal that wasphotocurrent simulates the outage of a flame and must result in a drop in the flame signal that was
present during the 0.8 s that the scannepresent during the 0.8 s that the scanner was monitoring the flame. r was monitoring the flame. If a hardware problem causeIf a hardware problem causes toos too
little a decrease in the flame signal, an error shutdown will occur after eight such cycles, that is, afterlittle a decrease in the flame signal, an error shutdown will occur after eight such cycles, that is, after
eight seconds.eight seconds.
If the flame ON signal is stopped, the integrated flame scanner is also no longer checked.If the flame ON signal is stopped, the integrated flame scanner is also no longer checked.
5. Fault5. Fault
If the internal self-check If the internal self-check recognizes an error in the recognizes an error in the safety-related software and hardware componesafety-related software and hardware components,nts,
an error shutdown anan error shutdown and internal lockout md internal lockout must be triggered. ust be triggered. The relays for the The relays for the flame, operatioflame, operationalnal
readiness and fault signals are releasedreadiness and fault signals are released, and the red LED on the front panel will begin blinking. , and the red LED on the front panel will begin blinking. TheThe
contact from K1 signals the contact from K1 signals the present fault.present fault.
The red LED blinThe red LED blinks 5 times by itself. ks 5 times by itself. After that, the yellow LAfter that, the yellow LED will also begin ED will also begin blinking with thblinking with the red.e red.
The number of times that the yellow LED blinks corresponds to the type of error, which allows theThe number of times that the yellow LED blinks corresponds to the type of error, which allows the
operator to precisely analoperator to precisely analyze the source of the fault. yze the source of the fault. The following error sources can be sigThe following error sources can be signaled:naled:
5.1. Error Codes of the 15.1. Error Codes of the 1ststCPU:CPU:
ErrorError
CodeCode
YellowYellow
LEDLED
BlinksBlinks
Source Source of of Error Error Possible Possible Cause Cause of of the the ErrorError
1. 1. 1 1 x x Synchronization Synchronization defective defective / / faulty faulty microprocessor microprocessor circuitcircuit
2. 2. 2 2 x x 22ndndCPU CPU 22ndndCPU is indicating an error (CPU is indicating an error (no display of its own)no display of its own)
3. 3. 3 3 x x FOS FOS cycle cycle defective defective cycle cycle generation generation / / faulty faulty acknowledgmacknowledgmentent
4. 4. 4 4 x x Flame Flame signal signal relay relay defective defective drive drive / / faulty faulty acknowledgacknowledgmentment
5. 5. 5 5 x x Flame Flame signal signal contact contact defective defective / / faulty faulty acknowledgmeacknowledgment nt of of the the contactcontact
positionposition
6. 6. 6 6 x x Status Status signal signal relay relay defective defective drive drive / / faulty faulty acknowledgmeacknowledgmentnt
7. 7. 7 7 x x Flame Flame comparison comparison faulty faulty transmission transmission of of flame flame datadata
8. 8. 8 8 x x Flame Flame recognitionrecognition
thresholdthreshold
push button switch on front push button switch on front panel pressed bypanel pressed by
unauthorized personnelunauthorized personnel
9. 9. 9 9 x x Safety Safety time time unauthorizeunauthorized d change change in in the the soldering soldering fieldfield
10. 10. 10 10 x x PROM PROM test test defective defective / / faulty faulty microprocessor microprocessor circuitcircuit
11. 11. 11 11 x x RAM RAM test test defective defective / / faulty faulty microprocessor microprocessor circuitcircuit
12. 12. 12 12 x x Flag Flag test test defective defective / / faulty faulty microprocessor microprocessor circuitcircuit
13. 13. 13 13 x x CPU CPU test test defective defective / / faulty faulty microprocessor microprocessor circuitcircuit
D-LX D-LX 100 100 PagePage55
If the cause of If the cause of the error is a the error is a defect in the integrated flame scanner,defect in the integrated flame scanner,
the red and green LED’s will blink the red and green LED’s will blink alternately.alternately.
Pressing the reset button on the front panel of the D-LX 100 acknowledges a fault in the unit andPressing the reset button on the front panel of the D-LX 100 acknowledges a fault in the unit and
allows flame scanning functions to continue after restart. When the reset button is pressed, all LEDsallows flame scanning functions to continue after restart. When the reset button is pressed, all LEDs
will go off. It is also possible to reset the unit by open the plug connection or by interrupting the yellowwill go off. It is also possible to reset the unit by open the plug connection or by interrupting the yellow
24 V supply wire for a short moment. In this case the cover of the flame scanner don’t has to be24 V supply wire for a short moment. In this case the cover of the flame scanner don’t has to be
opened in order to get access to the reset button.opened in order to get access to the reset button.
If the power supply is interrupted or the reset button is pressed, the relays are released, regardless ofIf the power supply is interrupted or the reset button is pressed, the relays are released, regardless of
the status of the unit (flame signathe status of the unit (flame signal ON / OFF or fault). l ON / OFF or fault). The flame scanninThe flame scanning program is then restarted.g program is then restarted.
Note:Note:
The D-LX 100 is an officially appThe D-LX 100 is an officially approved flame scanneroved flame scanner. r. Any tampering or moAny tampering or modifications will lead to difications will lead to aa
loss of its approved statuloss of its approved status. s. Repairs may only be pRepairs may only be performed by the merformed by the manufacturer or its auanufacturer or its authorizedthorized
service outlets.service outlets.
6. Installation6. Installation
Installation occurs according to the D-LX 100 dimeInstallation occurs according to the D-LX 100 dimensional drawings. nsional drawings. The electrical installaThe electrical installation musttion must
be performed in accordance with the wiring diagram in this manual, as well as any local guidelines.be performed in accordance with the wiring diagram in this manual, as well as any local guidelines.
The location of fuses F1 The location of fuses F1 and F2 can be fand F2 can be found in the dimensional drawing.ound in the dimensional drawing.
The enclosure rating of the flame scanner is IP67 if it is a model with the plug connection, and IP65 ifThe enclosure rating of the flame scanner is IP67 if it is a model with the plug connection, and IP65 if
the scanner has the scanner has a permanently threaded cable connection.a permanently threaded cable connection.
D-LX 10
D-LX 1000
99
00
99
00
D-ZS 087D-ZS 087D-ZS 087D-ZS 087
VV
22
VV
11
No6No6
No4No4
F2 = Flame contact fuseF2 = Flame contact fuse
F1 = Mains fuseF1 = Mains fuse
(Fig. (Fig. 3) 3) Location Location of of fusesfuses
Note:Note: To change the amplification or to replace the fuses, the electronics must be pulled from theTo change the amplification or to replace the fuses, the electronics must be pulled from the
housing. housing. Due to the D-LX 100‘s comDue to the D-LX 100‘s compact design, one mpact design, one must observe that no wires get piust observe that no wires get pinched whennched when
putting the scanner back togputting the scanner back together. ether. The housing shoThe housing should be closed without using exceuld be closed without using excessive force.ssive force.
PagePage6 6 D-LX D-LX 100100
To guarantee the best, most To guarantee the best, most selective flame monitoring, one must determine the correct position of selective flame monitoring, one must determine the correct position of thethe
scanner, since the flame must be scanner, since the flame must be visible to the flame scanner at all visible to the flame scanner at all times, regardless of the load rangetimes, regardless of the load range
of the of the burner. burner. The The 66°°angle of view should always be oriented toward the root of the flame, that is, theangle of view should always be oriented toward the root of the flame, that is, the
bottom third of the flame. bottom third of the flame. The D-LX 100 is mounted onThe D-LX 100 is mounted onto a sighting tube with a 1¼” pipe (male threadto a sighting tube with a 1¼” pipe (male thread
connection). connection). A D-ZS 033-I adjustablA D-ZS 033-I adjustable ball joint flange is availae ball joint flange is available to more easily aligble to more easily align the scannern the scanner
with the flame.with the flame.
The flame scanner’s purge air connection is responsible for keeping the sighting tube and optics freeThe flame scanner’s purge air connection is responsible for keeping the sighting tube and optics free
of particles from the comof particles from the combustion chambbustion chamber. er. A current of air, strong enA current of air, strong enough to blow aough to blow away heavierway heavier
particles, must therefore be aimeparticles, must therefore be aimed toward the combustion chd toward the combustion chamber. amber. In applications with low paIn applications with low particlerticle
levels, like gas burners, a purge air velocity of v = 3 ft/s (1 m/s) in a 1¼” sighting tube will sufficientlylevels, like gas burners, a purge air velocity of v = 3 ft/s (1 m/s) in a 1¼” sighting tube will sufficiently
purge the scanner (air consumption 100 ftpurge the scanner (air consumption 100 ft33/h [3m/h [3m33/h]). /h]). Those Those with with higher higher levels, levels, like colike coal-firedal-fired
burners, require more purge air (v = 10 ft/s [3 m/s]). burners, require more purge air (v = 10 ft/s [3 m/s]). These velocities for the purge air in the sigThese velocities for the purge air in the sightinghting
tube are otube are only guidelinnly guidelines. es. Changes on Changes on a site-specific baa site-specific basis are certainly sis are certainly permissible. permissible. The scanneThe scanner isr is
equipped with ½” female pipe connection for the equipped with ½” female pipe connection for the purge air.purge air.
The flame scanner should be routinely checked to ensure that the optics are clean and that theThe flame scanner should be routinely checked to ensure that the optics are clean and that the
scanner is firmly mounted to scanner is firmly mounted to the sighting tube.the sighting tube.
For optimal alignment of the flame scanner, the D-LX 100 uses a 4-20 mA (or 0-20 mA, if desired)For optimal alignment of the flame scanner, the D-LX 100 uses a 4-20 mA (or 0-20 mA, if desired)
current output which displays the flame intensity.current output which displays the flame intensity. Note:Note:the current output leads are not galvanicallythe current output leads are not galvanically
separated from the inseparated from the internal voltage supternal voltage supply. ply. To avoid havinTo avoid having faults attributed to thg faults attributed to the flame scannee flame scanner,r,
these leads may need to bthese leads may need to be shielded. e shielded. As a rule, however, shielding is noAs a rule, however, shielding is not required for cable lengt required for cable lengthsths
below 15 ft (5 m).below 15 ft (5 m).
For high availability in the system, the power supply equipment and the flame scanner must beFor high availability in the system, the power supply equipment and the flame scanner must be
properly timed (poweproperly timed (power supply and maximum timr supply and maximum time for outages). e for outages). In order to avoid possible In order to avoid possible interferenceinterference
in the grounded lead from any transient currents (e.g., current from an ignition device against groundin the grounded lead from any transient currents (e.g., current from an ignition device against ground
potential), DURAG D-ZS 117-I insulators may be used between the sighting tube and the flamepotential), DURAG D-ZS 117-I insulators may be used between the sighting tube and the flame
scanner. scanner. One must make certain, howeOne must make certain, however, that the pipe or hose conduit for the scannever, that the pipe or hose conduit for the scanner’s purge airr’s purge air
connection is also connection is also made of non-conducting material.made of non-conducting material.
!!
When connecting the flame scanner, all local regulations must be observed.When connecting the flame scanner, all local regulations must be observed.
The flame scanner is equipped with a safety screw to ensure that the scannerThe flame scanner is equipped with a safety screw to ensure that the scanner
is firmly in place. is firmly in place. Always be certain that the Always be certain that the flame scanner has been flame scanner has been mountedmounted
properly.properly.
6.1. Start-Up6.1. Start-Up
Once mounted and connected according to the drawings and diagrams in this manual, the D-LX 100Once mounted and connected according to the drawings and diagrams in this manual, the D-LX 100
All-In-One Flame All-In-One Flame Scanner is immeScanner is immediately ready for opdiately ready for operation once peration once power is supplied.ower is supplied.
7. 7. Programming Programming the the Flame Flame ScannerScanner
The flame scanner is equipped with a push button switch for adjusting the flame recognition thresholdThe flame scanner is equipped with a push button switch for adjusting the flame recognition threshold
of the flame reof the flame relay. lay. This threshold This threshold may be set to may be set to one of ten leone of ten levels. vels. The scanneThe scanner is also equr is also equipped withipped with
a hook switch for adjusting the ama hook switch for adjusting the amplification of the photo cuplification of the photo current to one of two different levelrrent to one of two different levels. s. ThisThis
amplification feature is unnecessary for the D-LX 100 UL, and is therefore not found on that scanner.amplification feature is unnecessary for the D-LX 100 UL, and is therefore not found on that scanner.
The push button switch is accessibThe push button switch is accessible after removing the covele after removing the cover plate. r plate. The hook switch is still obscureThe hook switch is still obscuredd
by the housing even if the cover plate has been removed, since it is only intended to be switchedby the housing even if the cover plate has been removed, since it is only intended to be switched
under special circumstances for dampening very high flame signals.under special circumstances for dampening very high flame signals.
D-LX D-LX 100 100 PagePage77
7.1. Setting the Flame Recognition 7.1. Setting the Flame Recognition ThresholdThreshold
By setting the flame recognition threshold on the flame scanner, the operator of the combustionBy setting the flame recognition threshold on the flame scanner, the operator of the combustion
system determines whether the flame signal (pulse frequency) of the integrated flame scanner shouldsystem determines whether the flame signal (pulse frequency) of the integrated flame scanner should
generate a flame ON or flame Ogenerate a flame ON or flame OFF signal. FF signal. This threshold is set using the push buThis threshold is set using the push button switch on thetton switch on the
front panel, and may be progfront panel, and may be programmed to one of ten settingrammed to one of ten settings. s. After start-up, the threshold settinAfter start-up, the threshold setting mustg must
be protected from be protected from unauthorized changes.unauthorized changes.
Switch setting ”0” is the highest threshold. Switch setting ”0” is the highest threshold. The flame scanner must genThe flame scanner must generate a strong flame signal inerate a strong flame signal in
order to reorder to register flame gister flame ON. ON. Position ”9” Position ”9” is the lowis the lowest threshold. est threshold. A weak flaA weak flame signal me signal is sufficient is sufficient toto
trigger and maintain a flame ON signal.trigger and maintain a flame ON signal.
!!
The operator uses this threshold setting to determineThe operator uses this threshold setting to determine
when the flame scanner signals flame ON or OFF.when the flame scanner signals flame ON or OFF.
The green (flame ON) LED and the 4-20 mA (or 0-20 mA) analog output for flame intensity may beThe green (flame ON) LED and the 4-20 mA (or 0-20 mA) analog output for flame intensity may be
used to select the propeused to select the proper switch position. r switch position. However, use of the D-ZS 0However, use of the D-ZS 087-20 Digital Disp87-20 Digital Display Unit islay Unit is
recommenderecommended. d. When setting the flame recognWhen setting the flame recognition threshold, one must always considition threshold, one must always consider the possibleer the possible
influence of ambieinfluence of ambient light. nt light. This can play a role both in multi-burnThis can play a role both in multi-burner and single burner apper and single burner applications.lications.
Flame OFF Setting:Flame OFF Setting:
If the burner is shut down, the flame recognition threshold (switch-on threshold) must be set highIf the burner is shut down, the flame recognition threshold (switch-on threshold) must be set high
enough that the flame scanner does not see enough that the flame scanner does not see any ambient light and reliably signals ”Flame OFF”:any ambient light and reliably signals ”Flame OFF”:
•• the the green green ”Flame” ”Flame” LED LED is nis not ot illuminated,illuminated,
•• the current the current in the in the flame inteflame intensity measurensity measurement circuit ment circuit is less thais less than 8 n 8 (or 5) mA,(or 5) mA,
•• the fail-safe the fail-safe relay outprelay output to thut to the externae external flame l flame ON signaON signal is opl is open.en.
Flame ON Setting:Flame ON Setting:
If the burner is operating, the flame signal must reliably exceed the flame recognition (shut-off)If the burner is operating, the flame signal must reliably exceed the flame recognition (shut-off)
threshold and signal ”Flame ON”:threshold and signal ”Flame ON”:
•• the the green green ”Flame” ”Flame” LED LED is is illuminated,illuminated,
•• the current in the current in the flame the flame intensity meaintensity measurement circuit isurement circuit is greater than s greater than 12 (or 1012 (or 10) mA) mA
•• the fail-safe the fail-safe relay outprelay output to ut to the externathe external flame l flame ON signaON signal is closel is closed.d.
Example:Example:
The flame recognition threshold is set on site such that a flame ON signal is reliably present givenThe flame recognition threshold is set on site such that a flame ON signal is reliably present given
sufficient flame intensity, unsufficient flame intensity, under all load condder all load conditions. itions. That is to say, the flame inteThat is to say, the flame intensity current displaynsity current display
fluctuates between 12 (ofluctuates between 12 (or 10) and 20 mA. r 10) and 20 mA. If the flame image deterioraIf the flame image deteriorates too much, the flame sigtes too much, the flame signalnal
(pulse frequen(pulse frequency) must dip becy) must dip below the shut-off low the shut-off threshold. threshold. The safety timThe safety time programme programmed into theed into the
scanner will then begin to ruscanner will then begin to run. n. After the safety time expires, the flame After the safety time expires, the flame OFF signal is given anOFF signal is given and thed the
green LED goes out (flame intensity current is less than 8 (or green LED goes out (flame intensity current is less than 8 (or 5) mA).5) mA).
!!
Once the scanner’s alignment and flame recognition threshold have beenOnce the scanner’s alignment and flame recognition threshold have been
properly determined, the properly determined, the D-LX 100 D-LX 100 must reliably must reliably report if report if a a burner is burner is shut downshut down
or if or if an impermissible deterioration of an impermissible deterioration of the flame the flame image occurs. image occurs. ConsideratiConsiderationon
must be given in order that ambient light sources do not generate faulty systemmust be given in order that ambient light sources do not generate faulty system
status. status. The operator The operator must see must see to it to it that the that the settings are never settings are never changed bychanged by
unauthorized personnel.unauthorized personnel.
If the flame rIf the flame recognition threshold is changed, one must be aware that if ecognition threshold is changed, one must be aware that if the push button is not pressedthe push button is not pressed
all the way, it is possible to have the scanner programmed to an intermediate setting, betweenall the way, it is possible to have the scanner programmed to an intermediate setting, between
settings 1 and 2, for examplesettings 1 and 2, for example. . If the switch is stuck in one of these unIf the switch is stuck in one of these undefined settings fodefined settings for more than 8r more than 8
s, an error shutdown will occur.s, an error shutdown will occur.
PagePage8 8 D-LX D-LX 100100
7.2. Flame Recognition Thresho7.2. Flame Recognition Thresholds as a lds as a Function of the Rocker Switch Function of the Rocker Switch SettingSetting
Rocker SwitchRocker Switch
SettingSetting
Beginning ofBeginning of
Range 0/4 mARange 0/4 mA
Shut-offShut-off
Threshold 5/8 mAThreshold 5/8 mA
Switch-OnSwitch-On
Threshold 5/8 mAThreshold 5/8 mA
End of RangeEnd of Range
20 mA20 mA
0 0 2048 2048 2560 2560 2816 2816 40954095
1 1 1536 1536 1984 1984 2208 2208 33283328
2 2 1024 1024 1431 1431 1634 1634 26502650
3 3 768 768 1088 1248 1088 1248 20482048
4 4 608 894 608 894 1036 1036 17501750
5 5 384 384 626 626 746 746 13501350
6 6 256 256 448 448 544 544 10241024
7 7 128 128 288 288 368 368 768768
8 8 * * 64 64 132 132 166 166 336336
9 9 32 32 56 56 68 68 128128
• • The flame recoThe flame recognition threshognition threshold is set to positionld is set to position 88when delivered from the factorywhen delivered from the factory
0
0
500500
10001000
15001500
20002000
25002500
30003000
35003500
40004000
45004500
00112233445566778899
UU
GG
11
11
00
--
00
22
--
00
00
11
Rocker Switch SettingRocker Switch Setting
PP
uu
ll
ss
ee
ff
rr
ee
qq
uu
ee
nn
cc
yy
Beginning of Range 0 / 4 mABeginning of Range 0 / 4 mA
Shut-Off Threshold 5 / 8 mAShut-Off Threshold 5 / 8 mA
Switch-On Threshold5 / 8 mASwitch-On Threshold5 / 8 mA
End of Range 20mAEnd of Range 20mA
(Fig. (Fig. 4) 4) Flame Flame recognition recognition thresholds thresholds as as function function of of the the rocker rocker switch switch settingsetting
D-LX D-LX 100 100 PagePage99
7.3. Setting the Amplification7.3. Setting the Amplification
In most cases it is unnecessary to set the ampIn most cases it is unnecessary to set the amplification of the photo elification of the photo element signal. lement signal. However, if signalHowever, if signal
saturation should occur due to a very intense flame signal, the amplification hook switch can besaturation should occur due to a very intense flame signal, the amplification hook switch can be
moved from position V2 to position V1. moved from position V2 to position V1. As mentioned above, this is not a feature of the D-LX 100 UL.As mentioned above, this is not a feature of the D-LX 100 UL.
Switching to V1 reduces signal amplification by a factor of three.Switching to V1 reduces signal amplification by a factor of three.
The hook switch is mounted near the photo elemThe hook switch is mounted near the photo element. ent. The housing muThe housing must be removed in order to gainst be removed in order to gain
access to it. access to it. The four Allen screws mThe four Allen screws must be looseneust be loosened and the eled and the electronics insert pulled from ctronics insert pulled from thethe
housing.housing.
When putting the housing back together, the housing’s o-ring must be in the correct position, and theWhen putting the housing back together, the housing’s o-ring must be in the correct position, and the
cable bundle must lie inside the housing such that the electronics can be re-inserted without usingcable bundle must lie inside the housing such that the electronics can be re-inserted without using
excessive force and without pinchexcessive force and without pinching the cable bundleing the cable bundle. . Once the housing is back in placeOnce the housing is back in place, the Allen, the Allen
screws must be screwed back in.screws must be screwed back in.
7.4. Adjusting the Flame Scanner D-LX 7.4. Adjusting the Flame Scanner D-LX 100…94Ex and D-LX 100…/95Ex100…94Ex and D-LX 100…/95Ex
When operating a flame scanner in a hazardous location, an explosion-proof housing is required.When operating a flame scanner in a hazardous location, an explosion-proof housing is required.
Given the special design of this housing, different steps must be followed when programming theGiven the special design of this housing, different steps must be followed when programming the
scanner.scanner.
!!
Explosion Hazard!Explosion Hazard!
Before opening the housing in any hazardous location (e.g. explosiveBefore opening the housing in any hazardous location (e.g. explosive
atmosphere), the flame scanner must be disconnected from its poweratmosphere), the flame scanner must be disconnected from its power
source.source.
Unless asked by the customer to do otherwise, the flame recognition threshold is set to 8 and theUnless asked by the customer to do otherwise, the flame recognition threshold is set to 8 and the
amplification is set to V2 (high amplificationamplification is set to V2 (high amplification; does not apply to the D-LX 100 ; does not apply to the D-LX 100 UL). UL). If changes areIf changes are
necessary, the procedure outlined below must be followed:necessary, the procedure outlined below must be followed:
1. 1. The flame scaThe flame scanner must be nner must be disconnected disconnected from the powefrom the power source. r source. All cable conAll cable connections mustnections must
therefore be therefore be disconnected.disconnected.
2. 2. The four M5x25 mm screws (4 mm Allen screws) must be unscreweThe four M5x25 mm screws (4 mm Allen screws) must be unscrewed from the front part of thed from the front part of the
housing.housing.
3.3. CarefullyCarefullyseparate the housin separate the housing. g. Because of the inneBecause of the inner gasket and narrow gaps, grer gasket and narrow gaps, greater force isater force is
required.required.
4. 4. The flame scanThe flame scanner may now be ner may now be programmed.programmed.
5. 5. After the required After the required settings have bsettings have been madeeen made, the housing , the housing may be reamay be reassembled. ssembled. One must One must bebe
careful not to pinch or careful not to pinch or damage the connection cable.damage the connection cable.
6. 6. Screw in the four M5Screw in the four M5x25 mm screws (4 mm Allx25 mm screws (4 mm Allen screws).en screws).
7. 7. Reconnect Reconnect the the cable.cable.
D-LX 1
D-LX 10000
99
00
99
00
D-ZS 0D-ZS 08787
D-ZS 0D-ZS 08787
VV
22
VV
11
M5x25 M5x25 mm mm screw (4 mm Allen screw)screw (4 mm Allen screw)
M5x25 M5x25 mm mm screw (4 mm Allen screw)screw (4 mm Allen screw)
(Fig. (Fig. 5) 5) Adjusting Adjusting an an explosion-pexplosion-proof roof flame flame scannerscanner
PagePage10 10 D-LX D-LX 100100
7.5. D-ZS 087-20 Digital Display Unit7.5. D-ZS 087-20 Digital Display Unit
By connecting the D-ZS 087 display unit, the flame intensity can be displayed as a pulse signal, fromBy connecting the D-ZS 087 display unit, the flame intensity can be displayed as a pulse signal, from
0 - 4095 pulses. 0 - 4095 pulses. Furthermore, the minimFurthermore, the minimum and maximum valueum and maximum values are stored, and the thresholds fors are stored, and the thresholds for
the flame ON and flame OFF ranges are calculated. the flame ON and flame OFF ranges are calculated. This allows the operator to determine the optimaThis allows the operator to determine the optimall
threshold between ambienthreshold between ambient light (relay t light (relay must remain in the OFF position) and flame (relay must must remain in the OFF position) and flame (relay must remainremain
in the ON position, even if in the ON position, even if flame intensity is minimal).flame intensity is minimal).
8. 8. Safety Safety TimeTime
The safety time is the response time of the flame scanner to the outage of the flame signal (pulseThe safety time is the response time of the flame scanner to the outage of the flame signal (pulse
frequency of the integrated flame scanner) and the resulting shut-off of the relay contact for the flamefrequency of the integrated flame scanner) and the resulting shut-off of the relay contact for the flame
ON signal.ON signal.
The D-LX 100 has a standard saThe D-LX 100 has a standard safety time of 1 s. fety time of 1 s. Safety times of 3 and 5 s are aSafety times of 3 and 5 s are available upon reqvailable upon request.uest.
Should the safety time need to Should the safety time need to be changed, the following steps must be followed:be changed, the following steps must be followed:
9. 9. Integrated Integrated Flame Flame ScannerScanner
In order that the flame scanner can be used in burner applications with the widest variety of fuels, 3In order that the flame scanner can be used in burner applications with the widest variety of fuels, 3
UV and 2 IR flame scannUV and 2 IR flame scanner models are availaer models are available. ble. All flame scanneAll flame scanners with a semicondurs with a semiconductor photoctor photo
element have thelement have the same electronic shue same electronic shutter in common. tter in common. The scanners use thThe scanners use this shutter to perform ais shutter to perform a
continuous check of the intecontinuous check of the internal signal amplifier and filternal signal amplifier and filter. r. The signal ampThe signal amplifier can be set to one olifier can be set to one off
two levels. two levels. Amplification lAmplification level V2 is hevel V2 is higher than igher than V1 by a factoV1 by a factor of three. r of three. The scanneThe scanner comes from ther comes from the
factory having been set to V2.factory having been set to V2.
DURAG also offers a UV flame scanner with a UV photoDURAG also offers a UV flame scanner with a UV photocell. cell. For performing self-checks, the scanFor performing self-checks, the scannerner
is equipped with a newly developed, long-lasting shutter which interrupts the path to the photocell.is equipped with a newly developed, long-lasting shutter which interrupts the path to the photocell.
Because of the way the UV cell operates, it is not possible, or required, to switch from oneBecause of the way the UV cell operates, it is not possible, or required, to switch from one
amplification level to another since no saturation will amplification level to another since no saturation will occur.occur.
9.1. Ultraviolet Flame Scanner9.1. Ultraviolet Flame Scanner
The UV zone of a flame is in gThe UV zone of a flame is in general consideeneral considerably smaller than the IR zonrably smaller than the IR zone. e. Moreover, boiler wallsMoreover, boiler walls
and componand components do not radents do not radiate any dynamiate any dynamic UV energy. ic UV energy. UV flame scanneUV flame scanners are therefore veryrs are therefore very
selective and not sensitive to ambient light.selective and not sensitive to ambient light.
The D-LX 100 UL uses a photocell with a spectral sensitivity ofThe D-LX 100 UL uses a photocell with a spectral sensitivity of λλ= = 185 185 nm to 260 nm to 260 nm. nm. Because thisBecause this
spectral range is so narrow and distant from that of daylight, it is permissible to evaluate both thespectral range is so narrow and distant from that of daylight, it is permissible to evaluate both the
dynamic and static energy of the flame. dynamic and static energy of the flame. This important advantaThis important advantage makes the D-LX 100 ge makes the D-LX 100 UL a highlyUL a highly
sensitive flame scanner, with excellent selectivity for all flames releasing energy in the UV-C range,sensitive flame scanner, with excellent selectivity for all flames releasing energy in the UV-C range,
e.g., gas and oil flames.e.g., gas and oil flames.
A semiconductoA semiconductor photo elemer photo element with a spectral sensnt with a spectral sensitivity ofitivity of λλ= 190 nm to 520 nm is employed in the= 190 nm to 520 nm is employed in the
D-LX 100 UAD-LX 100 UA. . The integrated flame scannThe integrated flame scanner acquires the dynamic blue-to-transpaer acquires the dynamic blue-to-transparent range of gas,rent range of gas,
oil and coal flames, without suffering signal collapse due to water vapor, recirculation gas or similaroil and coal flames, without suffering signal collapse due to water vapor, recirculation gas or similar
UV-absorbing gases.UV-absorbing gases.
In the D-LX 100 UAF, the photo elemeIn the D-LX 100 UAF, the photo element from the D-LX 100 UA is used with a filter. nt from the D-LX 100 UA is used with a filter. Because of thisBecause of this
filtering, a reduced spectral range offiltering, a reduced spectral range of λλ = 280 = 280 nm to 41nm to 410 nm results. 0 nm results. This delivers bThis delivers better results inetter results in
cases of very intense UV radiation or if higher selectivity is required.cases of very intense UV radiation or if higher selectivity is required. Note:Note: in the visible spectral in the visible spectral
range the filter does not appearange the filter does not appear transparent—it appear transparent—it appears black to the human eye. rs black to the human eye. The photo elemThe photo elementent
is, however, visible through the lens is, however, visible through the lens of the flame scanner.of the flame scanner.
D-LX D-LX 100 100 PagePage1111
9.2. Infrared Flame Scanner9.2. Infrared Flame Scanner
The IR zone of a flame is in many cases laThe IR zone of a flame is in many cases large and, relative to UV radrge and, relative to UV radiation, very intense. iation, very intense. The IR zoneThe IR zone
is easy to acquire under different angles of view, is strong in signal, and is not sensitive to absorptionis easy to acquire under different angles of view, is strong in signal, and is not sensitive to absorption
by gases. by gases. Compared to a UV flame scannCompared to a UV flame scanner, however, it is more sensitive to ambiener, however, it is more sensitive to ambient light.t light.
A silicon photo eleA silicon photo element with a spectral sensitiviment with a spectral sensitivity ofty of λλ= 300 nm to 1100 nm is = 300 nm to 1100 nm is used in the D-LX 100 IS.used in the D-LX 100 IS.
This flame scanner deteThis flame scanner detects visible light. cts visible light. If the flame is red or gold in coIf the flame is red or gold in color, it is ”visible” to the scanner,lor, it is ”visible” to the scanner,
on the pre-condition, however, that there is on the pre-condition, however, that there is movement in the flame, i.e., the movement in the flame, i.e., the flame is dynamic.flame is dynamic.
The D-LX 100 IG A employs a germanium photo element with a spectral sensitivity ofThe D-LX 100 IG A employs a germanium photo element with a spectral sensitivity of λλ= 780 nm to= 780 nm to
1800 nm. 1800 nm. The integrated The integrated flame scanneflame scanner will therefore ar will therefore acquire the dcquire the dynamic range ynamic range of radiationof radiation
generated by negenerated by nearly all fuels. arly all fuels. This type of flame scannThis type of flame scanner is strong in signal, but demer is strong in signal, but demonstrates loweronstrates lower
selectivity due to the large IR zone.selectivity due to the large IR zone.
Flames whose short-wave UV radiation is absorbed by dust, water vapor or other materials can beFlames whose short-wave UV radiation is absorbed by dust, water vapor or other materials can be
monitored in the IR range. monitored in the IR range. Applications includApplications include waste incinerators and oil-fired come waste incinerators and oil-fired combustion systems.bustion systems.
In the case of the latter, IR In the case of the latter, IR monitoring in the spectral range of 300 to 1100 nm is typical.monitoring in the spectral range of 300 to 1100 nm is typical.
IR flame scanners with a spectral sensitivity up to 1800 nm have proven themselves especiallyIR flame scanners with a spectral sensitivity up to 1800 nm have proven themselves especially
effective in applications employing measures for NOeffective in applications employing measures for NOxx reduction, e.g., flue gas re-circulation or reduction, e.g., flue gas re-circulation or
systems with combination burners for gas systems with combination burners for gas and oil.and oil.
Note:Note:
It can occur in practice that static emitters, like glowing boiler components, become modulated byIt can occur in practice that static emitters, like glowing boiler components, become modulated by
combustion air currents or flue gas clouds, and work like ambient light with dynamic portions ofcombustion air currents or flue gas clouds, and work like ambient light with dynamic portions of
radiation. radiation. Should this radiation lie in the range receiveShould this radiation lie in the range received by the scanner, i.e., in the IR spectrum, andd by the scanner, i.e., in the IR spectrum, and
within the normal flicker frequency range (approx. 10 to 200 Hz), within the normal flicker frequency range (approx. 10 to 200 Hz), an output signal will be generated byan output signal will be generated by
the flame scanner in the form of a pulse frequency corresponding to the intensity and dynamics of thethe flame scanner in the form of a pulse frequency corresponding to the intensity and dynamics of the
received radiation. received radiation. The flame recognitioThe flame recognition threshold (pulse threshon threshold (pulse threshold) of the D-LX 100 may not in thld) of the D-LX 100 may not in thisis
case be exceeded by the pulse frequency of the integrated flame scanner and cannot be allowed tocase be exceeded by the pulse frequency of the integrated flame scanner and cannot be allowed to
trigger a flame ON signal (see section 6: Setting the Flame Recognition Threshold on the Flametrigger a flame ON signal (see section 6: Setting the Flame Recognition Threshold on the Flame
Scanner).Scanner).
PagePage12 12 D-LX D-LX 100100
9.3. Selection Criteria for the D-LX 100 9.3. Selection Criteria for the D-LX 100 All-In-One Flame ScannerAll-In-One Flame Scanner
Model Model Spectral Spectral Suitable Suitable for for Following Following Fuels Fuels CharacteristicsCharacteristics
Range [nm]Range [nm] Gas Gas Oil Oil Coal Coal WoodWood
D-LX 100 ULD-LX 100 UL 185 – 260185 – 260 ++ +++ + Monitoring of gas and oil flamesMonitoring of gas and oil flames
D-LX 100 UAD-LX 100 UA 190 - 520190 - 520 ++ ++++ ++ Monitoring of gas and oil flames; also for Monitoring of gas and oil flames; also for low-NOlow-NOxx
combustion.combustion.
D-LX 100 UAFD-LX 100 UAF 280 - 410280 - 410 + +++ ++ Monitoring of very intense gas and oil flames; also for Monitoring of very intense gas and oil flames; also for low-low-
NONOxxcombustion.combustion.
D-LX 100 ISD-LX 100 IS 300 - 1100300 - 1100 ++ ++ + + ++ Monitoring of oil burners, even if additional fuels are alsoMonitoring of oil burners, even if additional fuels are also
combusted.combusted.
D-LX 100 IGD-LX 100 IG 780 - 1800780 - 1800 + + ++ ++ ++++ Monitoring of oil and wood flames, as well Monitoring of oil and wood flames, as well as coal flames.as coal flames.
Explanation of symbols:Explanation of symbols:
++++ Flame Flame scanner scanner isis ideally suitedideally suitedfor this fuel.for this fuel.
++ Flame Flame scanner scanner isis well suitedwell suitedfor this fuel.for this fuel.
Flame Flame scanner scanner isis conditionally suitedconditionally suitedfor this fuel. for this fuel. The monitoring characteristics depend for tThe monitoring characteristics depend for the most part on thehe most part on the
combustion technique.combustion technique.
!
!Due Due to to local local regulations regulations the the flame flame sensor sensor might might not not be be approved approved for for monitoring monitoring of of gas gas flames.flames.
This information is based on years of experience in a great proportion of combustion systems. Variations due to differing flame
This information is based on years of experience in a great proportion of combustion systems. Variations due to differing flame
behaviour, caused by special behaviour, caused by special combustion techniques cannot be taken into account or excluded. Therefore, deviations combustion techniques cannot be taken into account or excluded. Therefore, deviations from tablefrom table
are possible.are possible.
9.4. Overview of D-LX 100 All-In-One Flame 9.4. Overview of D-LX 100 All-In-One Flame ScannerScanner
Axial Plug CAxial Plug C onnectiononnection Flameproof housingFlameproof housing
II 2G EEx de IIC T6II 2G EEx de IIC T6
Flameproof housingFlameproof housing
Class I, Division 1Class I, Division 1
Group B,C&DGroup B,C&D
Version forVersion for
Class I, Division 2Class I, Division 2
Group A,B,C&DGroup A,B,C&D
Version forVersion for
II 3G EEx nC IIC T6II 3G EEx nC IIC T6
D-LX D-LX 100 100 UL-P UL-P D-LX D-LX 100 100 UL/94Ex UL/94Ex D-LX D-LX 100 100 UL/95Ex UL/95Ex D-LX D-LX 100 100 UL/96Ex UL/96Ex D-LX D-LX 100 100 UL/97ExUL/97Ex
D-LX D-LX 100 100 UA-P UA-P D-LX D-LX 100 100 UA/94Ex UA/94Ex D-LX D-LX 100 100 UA/95Ex UA/95Ex D-LX D-LX 100 100 UA/96Ex UA/96Ex D-LX D-LX 100 100 UA/97ExUA/97Ex
D-LX D-LX 100 100 UAF-P UAF-P D-LX D-LX 100 100 UAF/94Ex UAF/94Ex D-LX D-LX 100 100 UAF/95Ex UAF/95Ex D-LX D-LX 100 100 UAF/96Ex UAF/96Ex D-LX D-LX 100 100 UAF/97ExUAF/97Ex
D-LX D-LX 100 100 IG-P IG-P D-LX D-LX 100 100 IG/94Ex IG/94Ex D-LX D-LX 100 100 IG/95Ex IG/95Ex D-LX D-LX 100 100 IG/96Ex IG/96Ex D-LX D-LX 100 100 IG/97ExIG/97Ex
D-LX D-LX 100 100 IS-P IS-P D-LX D-LX 100 100 IS/94Ex IS/94Ex D-LX D-LX 100 100 IS/95Ex IS/95Ex D-LX D-LX 100 100 IS/96Ex IS/96Ex D-LX D-LX 100 100 IS/97ExIS/97Ex
9.5. Options9.5. Options
The D-LX 100 All-In-One Flame Scanner is normally delivered with the options listed in the tableThe D-LX 100 All-In-One Flame Scanner is normally delivered with the options listed in the table
below. below. Should other optionShould other options be required, please make thes be required, please make them known when ordering.m known when ordering.
“Flame “Flame intensity” intensity” current current output output 0 0 - - 20 20 mA mA 4 4 - - 20 20 mAmA
Safety Safety time time 1 1 s s 3 3 s s 5 5 ss
Note:Note:the options shown in the shaded areas are standard; please indicate when placing an orderthe options shown in the shaded areas are standard; please indicate when placing an order
whether any of the other whether any of the other options shown are desired instead.options shown are desired instead.
D-LX D-LX 100 100 PagePage1313
10. Technical Data10. Technical Data
•• Permissible Permissible ambient ambient temperatures: temperatures: -20°C…+60°C -20°C…+60°C (0(0°°F…+140F…+140°°F,F,
(other temperatures upon request)(other temperatures upon request)
•• Safety Safety time:.....................................1 s time:.....................................1 s (other (other times times available available upon upon request)request)
•• Permissible Permissible operating operating modes:........modes:........intermittent intermittent and and continuous continuous operation; operation; 72-hour 72-hour operation operation inin
systems operating according to TRD 604systems operating according to TRD 604
•• Enclosure Enclosure rating (EN rating (EN 60529):.........60529):.........IP67 (ratinIP67 (rating nog not associat associated with ted with FM logFM logo mark)o mark)
•• Sighting Sighting tube tube connectionconnection::..............................G1¼”G1¼”
•• Purge Purge air air connection:connection: ..........................................G½”G½”
•• Electrical Electrical connection: connection: ......................................1.5m 1.5m (5 (5 ft.) caft.) cable ble (8 (8 conductor, conductor, 1 1 mm² mm² / 1/ 18 8 gauge),gauge),
T = -60 to T = -60 to +180°C (-80+180°C (-80°°F to 360F to 360°°F)F)
•• Weight:Weight: ...........................................approx. ...........................................approx. 1.8 1.8 kg kg (4 (4 lb.)lb.)
10.1. 10.1. Technical Technical Data oData of the f the Integrated Integrated Flame Flame ScannerScanner
•• Optical Optical angle angle of of viewview ............................................6°; 6°; for for the the D-LX D-LX 100 100 UL: UL: 66°°horiz., 12horiz., 12°°vert.vert.
•• Spectral Spectral sensitivity..........................sensitivity..........................185 185 nm nm – – 260 260 nm nm D-LX D-LX 100 100 ULUL
190 190 nm nm - - 520 520 nm nm D-LX D-LX 100 100 UAUA
280 280 nm nm - - 410 410 nm nm D-LX D-LX 100 100 UAFUAF
300 300 nm nm - - 1100 1100 nm nm D-LX D-LX 100 100 ISIS
780 780 nm nm - - 1800 1800 nm nm D-LX D-LX 100 100 IGIG
•• Flame Flame scanner scanner amplification:amplification: ..................2 lev2 levels: stanels: standard dard V2= VV2= V1x3, (n1x3, (not D-LX ot D-LX 100 100 UL)UL)
10.2. 10.2. Technical Technical Data anData and Configurd Configuration of ation of Inputs and Inputs and OutputsOutputs
•• Connection Connection to pto power ower supply...........supply........... L+, L+, L-, PL-, PE / E / grounded grounded leadlead
•• Power Power supply:.................................supply:.................................24 24 VDCVDC ±±20%, approx. 5 W20%, approx. 5 W
•• Fuse Fuse protection:..............................F1= 0.3protection:..............................F1= 0.315 15 A, A, semi-slow, semi-slow, MST MST 250250
•• Current ouCurrent output 0 tput 0 / 4 - / 4 - 20 mA ..........Flame intensity / 20 mA ..........Flame intensity / 150 O150 Ohm maximhm maximum loadum load
•• Flame Flame contact.................................contact.................................Closer; Closer; active active if if flame flame is is presentpresent
•• Fault Fault contact...................................contact................................... Closer; Closer; active active if if no no fault fault is is presentpresent
Series connection with the flame contact Series connection with the flame contact as possibleas possible secondsecond
shut-off pathshut-off path..
•• Switching caSwitching capacity of pacity of the relay the relay contacts / fucontacts / fuse F2, se F2, slow, MST2slow, MST250:50:
min:.................................................min:.................................................10 10 VAC/dc, VAC/dc, 10 10 mAmA
max:................................................max:................................................250 250 VAC, VAC, 2.0 2.0 A A / / coscosϕϕ=1,0 (resistive lo=1,0 (resistive load), ad), F2= 2A sloF2= 2A sloww
1.0 A / cos1.0 A / cosϕϕ=0,4 (inductive load), F2= 1A slow=0,4 (inductive load), F2= 1A slow
0.2 A / cos0.2 A / cosϕϕ=0,2 (inductive load), F2=0.2A slow=0,2 (inductive load), F2=0.2A slow
24 24 VDC, VDC, 0.5 0.5 A A with with spark spark extinc. extinc. F2=0.5A F2=0.5A slowslow
110 110 VDC, VDC, 0.2 0.2 A A with with spark spark extinc. extinc. F2=0.2A F2=0.2A slowslow
220 220 VDC, VDC, 0.1 0.1 A A with with spark spark extinc. extinc. F2=0.1A F2=0.1A slowslow
The flame scanner is constructed such that there is potential separation between the powerThe flame scanner is constructed such that there is potential separation between the power
supply (24 VDC) and the unit’s intsupply (24 VDC) and the unit’s internal voltage (UB = 20 VDC / 5 VDC). ernal voltage (UB = 20 VDC / 5 VDC). The current outThe current output isput is
galvanically connected to the internal voltage.galvanically connected to the internal voltage.
The relay contact for the flame ON The relay contact for the flame ON signal is delivered with a fuse, F2 = signal is delivered with a fuse, F2 = 0.5 A, slow, MST250, 0.5 A, slow, MST250, forfor
24 VDC voltage 24 VDC voltage switches. switches. If connecting other switch If connecting other switch voltages, this fuse must voltages, this fuse must be exchangedbe exchanged
accordingly.accordingly.
PagePage14 14 D-LX D-LX 100100
10.3. 10.3. D-LX D-LX 100 100 Dimensional Dimensional DrawingDrawing
R
R
11
11
//
44
""
SS
WW
44
66
WW
AA
FF
44
66
88
00 99
22
99
00
cc
aa
..
99
33
11
55
22
22
44
33
mm
mm
22
22
Purge air connection G 1/2"Purge air connection G 1/2"
Scanning tube connection G 1¼"Scanning tube connection G 1¼"
Viewing angle 6°Viewing angle 6°
(D-LX 100 UL vert. 12°)(D-LX 100 UL vert. 12°)
CoverCover
Set screwSet screw
(Fig. (Fig. 6) 6) Dimensional Dimensional drawing: drawing: D-LX D-LX 100100
D-LX D-LX 100 100 PagePage1515
10.4. 10.4. D-LX D-LX 100 100 Wiring Wiring DiagramDiagram
7
7
88
33
11
22
55
44
66
!!
ll
xx
11
00
00
--
00
44
--
00
00
44
F2F2
F1F1
0 Volt0 Volt
0 / 4…20mA0 / 4…20mA
D-NG 24/05D-NG 24/05
PEPE
L+L+
L-L-
LL
NN
L+L+
L-L-
AC-Power SupplyAC-Power Supply
AC MainsAC Mains
DC MainsDC Mains
Protective EarthProtective Earth
Protective EarthProtective Earth
Contact Circuit SupplyContact Circuit Supply
Not ConnectedNot Connected
Plug M2Plug M2
Flame Message ONFlame Message ON
Ready for OperationReady for Operation
Flame Relay K2.2Flame Relay K2.2
Fault Relay K1.2Fault Relay K1.2
Flame IntensityFlame Intensity
sw / BKsw / BK
gn/gegn/ge
GN/YEGN/YE
ge / YEge / YE
ws / WHws / WH
gn / GNgn / GN
gr / GRgr / GR
L1L1
NN
(Fig. (Fig. 7) 7) Wiring Wiring diagram: diagram: D-LX D-LX 100…-P, 100…-P, D-LX D-LX 100…/96E100…/96Ex x and and D-LX D-LX 100…/97E100…/97Exx
!!
The Flame-On-Message has to be supplied via fuse F2 on the “Contact CircuitThe Flame-On-Message has to be supplied via fuse F2 on the “Contact Circuit
Supply” input. Only such components are allowed to be connected to theSupply” input. Only such components are allowed to be connected to the
output “Read for Operation” which are non-interacting. These components canoutput “Read for Operation” which are non-interacting. These components can
be for example the coil of a relay or a magnetic switch.be for example the coil of a relay or a magnetic switch.
Then the flame relays contact is protected against contact welding inThen the flame relays contact is protected against contact welding in
accordancaccordance with EN e with EN 298.298.
Contacts K1.2 and K2.2 must be switched in series if the additional safety requirements for directContacts K1.2 and K2.2 must be switched in series if the additional safety requirements for direct
shut-off of the entire fuel supply are to be fulfilledshut-off of the entire fuel supply are to be fulfilled. . These are specified in VDE01These are specified in VDE0116, paragraph 8.7.216, paragraph 8.7.2
/10.98 or TRD 604, /10.98 or TRD 604, pages 1 and 2 for pages 1 and 2 for 72-hour operation (steam boiler without constant supervision).72-hour operation (steam boiler without constant supervision).
PagePage16 16 D-LX D-LX 100100
10.5. 10.5. D-LX 100 D-LX 100 … /94 Ex … /94 Ex and D-LX and D-LX 100…/95Ex H100…/95Ex Housing for ousing for Hazardous Hazardous AreasAreas
D-LX D-LX 100 100 …/94 …/94 Ex Ex D-LX D-LX 100 100 …/95 …/95 ExEx
L
L
XX
11
00
00
--
00
88
--
00
00
33
M20x1.5M20x1.5
GG
11
””
1/2” NPT(F)1/2” NPT(F)
(Fig. (Fig. 8) 8) Dimensional Dimensional drawing: drawing: Ex-proof Ex-proof housing housing type type KK
Explosion Explosion protection:protection:.......................................................................... D-LX D-LX 100…/94100…/94Ex: Ex: II II 2G 2G EEx EEx de de IIC IIC T6/T5T6/T5
(PTB approved)(PTB approved)
D-LX D-LX 100…/95Ex: 100…/95Ex: Class Class I, I, Div. Div. 1, 1, Group Group B, B, C C & & DD
(FM approved)(FM approved)
Max. ambMax. ambient tempient temperature:erature: ......................................................at T5 at T5 : : -20°C to -20°C to +70°C (-4°+70°C (-4°F to 1F to 158°F)58°F)
at T6 : at T6 : -20°C to +60°C (-4°-20°C to +60°C (-4°F to 140°F)F to 140°F)
Viewing pipe conneViewing pipe connection: ..............................ction: .............................. G 1” pipe threadG 1” pipe thread
Optical viewing angOptical viewing angle: ...................................le: ................................... 6° (D-LX 100 UL: 66° (D-LX 100 UL: 6°°horiz., 12horiz., 12°°vert.)vert.)
Weight:...........................................Weight:........................................................................... 3.8 kg (8.5 lb.)3.8 kg (8.5 lb.)
Enclosure rating:............................................Enclosure rating:............................................IP 65 (rating not associateIP 65 (rating not associated with FM logo mark)d with FM logo mark)
Cable Cable entry:entry: ......................................................................................................D-LX D-LX 100…/94Ex100…/94Ex: : Cable Cable gland gland M20x1.5M20x1.5
D-LX D-LX 100…/95Ex: 100…/95Ex: ½” ½” NPT NPT (F) (F) for for conduitconduit
connectionconnection
Conformity certificate:....................................Conformity certificate:.................................... PTB 02 ATEX 102PTB 02 ATEX 1029 (D-LX 100…/94Ex ony)9 (D-LX 100…/94Ex ony)
Material:.........................................................Material:......................................................... AlCuMgPbAlCuMgPb
Painting:.........................................................Painting:.........................................................Blue, RAL 5017 and bBlue, RAL 5017 and black RAL 9005lack RAL 9005
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