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. [phone] · Fax [phone]+49 40 55 42 18-0 · Fax [phone]
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 interApproved 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

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
!! 
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.

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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 FAdjusting 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

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 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 eAdjusting 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

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D-LX D-LX 100 100 PagePage11
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.

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PagePage2 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
LL
XX
11
00
00
--
00
11
--
00
00
44
Read backRead back
flame relayflame relay
ShutterShutter
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
indicatorindicator
Current outputCurrent output
0 / 4 - 20mA0 / 4 - 20mA Flame intensityFlame intensity
FlameFlame
thresholdthreshold
Safety timeSafety time
soldering fieldsoldering field
AmplifiAmplifierer FilterFilter 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

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D-LX D-LX 100 100 PagePage33
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-LX100100
99
00
99
00
D-ZS 087D-ZS 087D-ZS 087D-ZS 087
D-ZS 087- 20D-ZS 087- 20
RReesseettMMooddee
VV
22
VV
11
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

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PagePage4 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 1ststCPU:CPU:
ErrorError
CodeCode
YellowYellow
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 22ndndCPU CPU 22ndndCPU 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 PagePage55
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
VV
22
VV
11
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.


PagePage6 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, theangle 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 galvanicallythe 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.