DURAG D-LX 100 All-In-One Manual Download

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Page

8 D-LX

100

7.2. Flame Recognition Thresholds as a Function of the Rocker Switch Setting

Rocker Switch

Setting

Beginning of

Range 0/4 mA

Shut-off

Threshold 5/8 mA

Switch-On

Threshold 5/8 mA

End of Range

20 mA

0 2048

2560 2816

4095

1 1536

1984 2208

3328

2 1024

1431 1634

2650

3 768

1088

1248

2048

4 608 894 1036

1750

5 384 626 746

1350

6 256 448 544

1024

7 128 288 368 768

8 *

132

166

336

9 32 56 68

128

• The flame recognition threshold is set to position

when delivered from the factory

500

1000

1500

2000

2500

3000

3500

4000

4500

-02-

Rocker Switch Setting

Pul

se fr

equ

ency

Beginning of Range 0 / 4 mA
Shut-Off Threshold 5 / 8 mA

Switch-On Threshold5 / 8 mA
End of Range 20mA

(Fig. 4)

Flame recognition thresholds as function of the rocker switch setting

Summary of Contents for D-LX 100 All-In-One

Page 1: ...N 230 1991 Gas appliance directive 90 396 EWG Pressure equipment directive 97 23 EG Fuel Oil Gas Oil Gas Register Number 5F161 03 CE 0085AT0397 BAF MUC 03 04 072357 003 Tested by TÜV Süddeutschland Approved for intermittent operation continuous operation and 72 hour operation Registered by DVGW and DIN CERTCO American Standard UL 372 FM Class 7610 Registration Number MH25226 3000072 and 3010410 ...

Page 2: ...fully before setting the flame monitor into operation The adjustment of flame monitors shall be carried out only by trained staff Therefore DURAG offers suitable courses Flame Monitors are certified devices Any modifications will result in a loss of such certification Repairs should be made only by the manufacturer or its representatives ...

Page 3: ...nner 13 10 2 Technical Data and Configuration of Inputs and Outputs 13 10 3 D LX 100 Dimensional Drawing 14 10 4 D LX 100 Wiring Diagram 15 10 5 D LX 100 94 Ex and D LX 100 95Ex Housing for Hazardous Areas 16 10 6 Wiring Diagram for D LX 100 94Ex and D LX 100 95Ex 17 10 7 D LX 100 96 Ex for Hazardous Areas Class I Div 2 Group A B C D 18 10 8 D LX 100 97 Ex for Hazardous Areas Zone 2 19 10 9 Cable ...

Page 4: ...ng type K 16 Fig 9 Wiring diagram D LX 100 94Ex and D LX 100 95Ex 17 Fig 10 Dimensional drawing D LX 100 96Ex 18 Fig 11 Dimensional drawing D LX 100 97Ex 19 Fig 12 Cable and Shielding 20 Fig 13 Power supply and error suppression 20 Fig 14 Shutter Block with UV Cell 21 Fig 15 Layout of the Shutter block with the UV Cell 22 Fig 16 Dimensional drawing D ZS 087 20 23 Fig 17 Dimensional drawing D NG 24...

Page 5: ...ons five different models 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 different settings using a push button switch on the front panel The scanner s safety time which refers to the number of seconds before the scanner will signal flame outage is set at the factory to 1 s Longer safety per...

Page 6: ...Photo element Flame ON Power supply ready for operation Data compare Synchronization Power supply Internal reset Dynamic safety circuit LED indicator Current output 0 4 20mA Flame intensity Flame threshold Safety time soldering field Amplifier Filter Pulse stage Flame Monitor UL UA UAF IS IG Pulse Fig 1 D LX 100 block diagram ...

Page 7: ...ll 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 are transmitted to the microprocessor system and will trigger a flame ON or OFF signal depending on the flame recognition threshold programmed in Three features are available for the flame signal 1 a fail safe relay contact K...

Page 8: ...ON signal is stopped the integrated flame scanner is also no longer checked 5 Fault If the internal self check recognizes an error in the safety related software and hardware components an error shutdown and internal lockout must be triggered The relays for the flame operational readiness and fault signals are released and the red LED on the front panel will begin blinking The contact from K1 sign...

Page 9: ...ly approved flame scanner Any tampering or modifications will lead to a loss of its approved status Repairs may only be performed by the manufacturer or its authorized service outlets 6 Installation Installation occurs according to the D LX 100 dimensional drawings The electrical installation must be performed in accordance with the wiring diagram in this manual as well as any local guidelines The...

Page 10: ...oltage supply To avoid having faults attributed to the flame scanner these leads may need to be shielded As a rule however shielding is not required for cable lengths below 15 ft 5 m For high availability in the system the power supply equipment and the flame scanner must be properly timed power supply and maximum time for outages In order to avoid possible interference in the grounded lead from a...

Page 11: ...less than 8 or 5 mA the fail safe relay output to the external flame ON signal is open Flame ON Setting If the burner is operating the flame signal must reliably exceed the flame recognition shut off threshold and signal Flame ON the green Flame LED is illuminated the current in the flame intensity measurement circuit is greater than 12 or 10 mA the fail safe relay output to the external flame ON ...

Page 12: ...1248 2048 4 608 894 1036 1750 5 384 626 746 1350 6 256 448 544 1024 7 128 288 368 768 8 64 132 166 336 9 32 56 68 128 The flame recognition threshold is set to position 8 when delivered from the factory 0 500 1000 1500 2000 2500 3000 3500 4000 4500 0 1 2 3 4 5 6 7 8 9 UG110 02 001 Rocker Switch Setting Pulse frequency Beginning of Range 0 4 mA Shut Off Threshold 5 8 mA Switch On Threshold5 8 mA En...

Page 13: ...sion proof housing is required Given the special design of this housing different steps must be followed when programming the scanner Explosion Hazard Before opening the housing in any hazardous location e g explosive atmosphere the flame scanner must be disconnected from its power source Unless asked by the customer to do otherwise the flame recognition threshold is set to 8 and the amplification...

Page 14: ...ing self checks the scanner 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 one amplification level to another since no saturation will occur 9 1 Ultraviolet Flame Scanner The UV zone of a flame is in general considerably smaller than the IR zone Moreover boiler ...

Page 15: ...terials can be monitored in the IR range Applications include waste incinerators and oil fired combustion systems In the case of the latter IR 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 especially effective in applications employing measures for NOx reduction e g flue gas re circulation or systems...

Page 16: ... to differing flame behaviour caused by special combustion techniques cannot be taken into account or excluded Therefore deviations from table are possible 9 4 Overview of D LX 100 All In One Flame Scanner Axial Plug Connection Flameproof housing II 2G EEx de IIC T6 Flameproof housing Class I Division 1 Group B C D Version for Class I Division 2 Group A B C D Version for II 3G EEx nC IIC T6 D LX 1...

Page 17: ...uts Connection to power supply L L PE grounded lead Power supply 24 VDC 20 approx 5 W Fuse protection F1 0 315 A semi slow MST 250 Current output 0 4 20 mA Flame intensity 150 Ohm maximum load Flame contact Closer active if flame is present Fault contact Closer active if no fault is present Series connection with the flame contact as possible second shut off path Switching capacity of the relay co...

Page 18: ...3 D LX 100 Dimensional Drawing R1 1 4 SW 46 WAF 46 80 92 90 ca 93 152 243 mm 22 Purge air connection G 1 2 Scanning tube connection G 1 Viewing angle 6 D LX 100 UL vert 12 Cover Set screw Fig 6 Dimensional drawing D LX 100 ...

Page 19: ...Message has to be supplied via fuse F2 on the Contact Circuit Supply input Only such components are allowed to be connected to the output Read for Operation which are non interacting These components can be for example the coil of a relay or a magnetic switch Then the flame relays contact is protected against contact welding in accordance with EN 298 Contacts K1 2 and K2 2 must be switched in seri...

Page 20: ...1 Group B C D FM approved Max ambient temperature at T5 20 C to 70 C 4 F to 158 F at T6 20 C to 60 C 4 F to 140 F Viewing pipe connection G 1 pipe thread Optical viewing angle 6 D LX 100 UL 6 horiz 12 vert Weight 3 8 kg 8 5 lb Enclosure rating IP 65 rating not associated with FM logo mark Cable entry D LX 100 94Ex Cable gland M20x1 5 D LX 100 95Ex NPT F for conduit connection Conformity certificat...

Page 21: ...100 95Ex The 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 the output Read for Operation which are non interacting These components can be for example the coil of a relay or a magnetic switch Then the flame relays contact is protected against contact welding in accordance with EN 298 Contacts K1 2 and K2 2 mu...

Page 22: ...egrade the sealing properties of used in the relays of the flame scanner It is recommended that the sealing of the relays are checked periodically for any degradation of properties In case of any degradation the flame scanner should be send to the manufacturer for service Before opening the housing in any hazardous location e g explosive atmosphere the flame scanner must be disconnected from its p...

Page 23: ...zard This flame scanner is suitable for use in Zone 2 II 3G EEx nC IIC T5 T6 or non hazardous areas only Before opening the housing in any hazardous location e g explosive atmosphere the flame scanner must be disconnected from its power source Area Classification Zone 2 II 3G EEx nC IIC T5 T6 IP Rating IP 65 rating not associated with FM logo mark Viewing pipe connection G 1 pipe thread Purge air ...

Page 24: ...D LX 100 8 LX100 07 004 1 wire PE 3 wires for relay contacts q1 no shield necessary max 5m Silflex cable unshielded 230 VAC applications 8 x 1mm 2 Junction box 2 wires for 24 VDC supply q2 shield may be necessary 2 wires current output q3 shield necessary Fig 12 Cable and Shielding Diameters q1 and q3 can be determined by conditions on site Diameter q2 must be great enough that resistance per cond...

Page 25: ...sion and the darkening of the glass tube by sputtering Both effects contribute to the reduction of sensitivity from 100 at the boundaries of the lifespan which is defined by 50 Under extreme conditions the lifespan is 10 000 hours and in the most favorable conditions it is 50 000 hours or more The UV Photocell is replaced in conjunction with the shutter In order to remove this assembly simply deta...

Page 26: ...hutter block 5 Remove the cable connectors and reconnect them to the replacement unit Please note the polarity 6 Assemble the shutter block 7 Screw the electronics assembly back onto the housing Pay attention to the asymmetrical countersinking in the upper housing The shutter block should lay open in the countersinking 8 Assemble the electronics assembly and the housing making sure not to crimp th...

Page 27: ...ential separation and 1 threaded connection D ZS 117 III Heat insulator with potential separation and 1 threaded connection for ex housing D ZS 118 Optical aid for aligning ball joint flange with sighting tube D ZS 129 10 11 LED bar graph display with switch unit for display of flame intensity and pre alarm signaling D ZS 129 30 40 LED bar graph for display of flame intensity kle8xAWG20SIHSI unshi...

Page 28: ... the D NG 24 05 AC Power Supply Power supply series connector for operation of two D LX 100 flame scanners Input 115 230 VAC 10 15 42 60 Hz approx 15 VA Fuse protection F1 0 1 A slow 5x20 mm 0 2x0 79 in Output 24 VDC 20 0 5 A Housing material color dimensions ABS RAL 7035 and PC transparent 75 x 70 x 118 mm 2 95x2 75x4 65 in Housing fastened via TS35 DIN rail according to EN 50022 ...

Page 29: ...Viewing pipe Item Qty Designation Material 1 1 Welding flange 1 0718 galvanized 2 1 Flange Al Leg 230 3 1 Ball joint Al Leg 230 4 3 Hexagon head bolt M10x50 DIN 558 5 3 Plain washer 10 5 DIN 125 6 1 Gasket Asbestos free graphite band Fig 18 Dimensional drawing D ZS 033 I ball type adjustment flange ...

Page 30: ...ing Tube Pos Count Description Material 1 1 Welding flange 1 0718 galvanized surface 2 1 Flange 1 0718 galvanized surface 3 1 Ball 1 0718 galvanized surface 4 3 Hexagonal bolt M10x50 DIN 558 5 3 Plain washer 10 5 DIN 125 6 1 Gasket Graphite band asbestos free Fig 19 Dimensional drawing D ZS 033 III ball type adjustment flange ...

Page 31: ...are installed vertically looking downwards The plastic hood just has to be slipped over the flame scanner and so the flame scanner is protected ideally against rain and water Fig 20 Dimensional drawing D WSH 603 Technical Data Dimensions Ø 130 x 225 mm Material PVC Maximum Ambient Temperature 40 C 80 C Fastening Mechanical Fixture through 6mm Hole Suitable for D LE 603 P AP CG D LX 100 P CG ...

Page 32: ...Page 28 D LX 100 13 Approvals 13 1 DIN CERTCO 13 2 EC Gas Appliance Directive 90 396 EC ...

Page 33: ...D LX 100 Page 29 13 3 EC Pressure Equipment Directive 97 23 EC 13 4 UL Listing ...

Page 34: ...g a DURAG power supply D NG 24 05 flame failure response time 1 sec flame intensity output current 0 20 mA or 4 20 mA Flame scanner Type D LE 103 series or D LE 603 series for oil gas coal or wood flames D LE 103 UL P D LE 103 UL AP D LE 103 UL CG D LE 103 UL MP D LE 103 UAF P D LE 103 UAF AP D LE 103 UAF CG D LE 103 UAF MP D LE 103 UA P D LE 103 UA AP D LE 103 UA CG D LE 103 UA MP D LE 103 IS P D...

Page 35: ...D LX 100 Page 31 13 7 ATEX Certificate ...

Page 36: ... 2000 Remark regarding to the ex protection directive 94 9 EC The D LX 100 94 Ex fulfils the requirements for II 2 G EEx de IIC T5 T6 The D LX 100 97 Ex fulfils the requirements for II 3 G EEx nC IIC T5 T6 Remark regarding to the pressure device directive 97 23 EC As an equipment part having a safety function the described product falls into category IV under the terms of the Pressure Equipment Di...

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