LAL2... Oil Burner Controls. Building Technologies HVAC Products

Similar documents
LAL4... Oil Burner Controls. Siemens Building Technologies HVAC Products

LGK16... Building Technologies Division Infrastructure & Cities Sector

LGK16... Building Technologies HVAC Products

Β Note! LAE1... Oil Burner Controls. Building Technologies Division

LOK16... LGK16... Burner Controls. Siemens Building Technologies HVAC Products

LFE1... Burner Controls. Siemens Building Technologies HVAC Products. Series 03 Supplementary Data Sheet 7712

LFE1... Burner Controls. Building Technologies Division Industry Sector

LGK16... Building Technologies Division

LFE1... Burner Controls. Building Technologies Division

SQN3... SQN4... Actuators. Building Technologies Division Infrastructure & Cities Sector

LEC1... Control Units. Siemens Building Technologies HVAC Products

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

Analog Input Modules

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

AGA56... Analog Input Modules. Siemens Building Technologies HVAC Products

Products no longer available

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

PROGRAMMING MANUAL MTMA/01 MTMV/01 FB00329-EN

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

Incremental encoders Solid shaft with clamping or synchro flange pulses per revolution

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

001CK CK0012 FR-001CK0013 FR EN English

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

Device installation. AFR 1xx - Feature Description of the Smart Load. AFR1xx 145 % 200 %

Safety Relay Unit. Main contacts Auxiliary contact Number of input channels Rated voltage Model Category. possible 24 VAC/VDC G9SA-501.

Aquauno Select MINUTES. (duration) FREQUENCY LED. OFF 8h AQUAUNO SELECT 5 MIN FREQUENCY. the timer is being programmed;

FTU263. Ripple Control Receiver. Technical Data. Load Management Ripple Control

Parallel Actuator Cut-off Control PAS 3 a

Installation and Operation Instructions

Discontinued AN6262N, AN6263N. (planed maintenance type, maintenance type, planed discontinued typed, discontinued type)

Reversible and Proportional Electric Actuators

CAL. NX15 DUO-DISPLAY QUARTZ

ABB STOTZ-KONTAKT. ABB i-bus EIB Current Module SM/S Intelligent Installation Systems. User Manual SM/S In = 16 A AC Un = 230 V AC

Series AE W PFC INDUSTRIAL POWER SUPPLY

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

EY-AM 300: novanet BACnet application master, modunet300

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

NP10 DIGITAL MULTIMETER Functions and features of the multimeter:

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

The Discussion of this exercise covers the following points:

Pilot Operated Proportional DC Valve Series D*1FB. Pilot Operated Proportional DC Valve Series D*1FB. D*1FBR and D*1FBZ

Pilot Operated Servo Proportional DC Valve Series D*1FP

CVM-B100 CVM-B150. Power analyzers for panel

Pilot Operated Servo Proportional DC Valve Series D*1FP

JUMO Wtrans B Programmable Head Transmitter with Radio Transmission

Pilot Operated Servo Proportional DC Valve Series D*1FP

G9SA. Safety Relay Unit. The G9SA Series Offers a Complete Line-up of Compact Units. Model Number Structure

Connection Technology

Exercise 1-1. The Sine Wave EXERCISE OBJECTIVE DISCUSSION OUTLINE. Relationship between a rotating phasor and a sine wave DISCUSSION

& Y Connected resistors, Light emitting diode.

Math Circles Finite Automata Question Sheet 3 (Solutions)

TRANSPORT POWER SUPPLY IP-05

Frami transport hook Art. n models onward

Synchronous Machine Parameter Measurement

Incremental encoders Solid shaft with clamping or synchro flange pulses per revolution programmable (interpolated system)

0-50 (with Circulated Air) EHDF G C2 -Y -30 Direction Valve Rated Flow Series Number Type of Mounting. L/min.

How to remove BRNS/BRFS series from a PWB

On/off valves with spool position monitoring

Radiant systems 0801EN March 2016 Radiant plasterboard ceiling and/or floor system ISO /7

Controls. Solid-State Switching Devices. Reference Manual April Low-Voltage Controls and Distribution

1 Power supply. Contents

Three-Phase Synchronous Machines The synchronous machine can be used to operate as: 1. Synchronous motors 2. Synchronous generators (Alternator)

388 SQUARE BASE TIME DELAY RELAYS

Digital Design. Sequential Logic Design -- Controllers. Copyright 2007 Frank Vahid

Array chip resistors size ARC241/ARC242 ARV241/ARV242

Operation Manual Sewing Machine

Notice for TAIYO YUDEN Products

Synchronous Machine Parameter Measurement

Ionizer. Series IZS31. RoHS

(1) Non-linear system

Solutions to exercise 1 in ETS052 Computer Communication

Synchronous Generator Line Synchronization

Resolver Interface Card "OPC-G1. RES" Product Specifications

SOLVING TRIANGLES USING THE SINE AND COSINE RULES

Sequential Logic (2) Synchronous vs Asynchronous Sequential Circuit. Clock Signal. Synchronous Sequential Circuits. FSM Overview 9/10/12

GEI E INSTRUCTIONS M ULTI-CONTACT AUXILIARY RELAYS TYPE HFA53. GE Protection and Control 205 Great Valley Parkway Malvern, PA

PRODUCT DRAWING MESSRS : CUSTOMER'S PRODUCT NAME : DC/AC INVERTER UNIT CXA-0345 TDK PRODUCT NAME : DATE :

MESSRS : CUSTOMER'S PRODUCT NAME: DC-AC INVERTER UNIT CXA-0379 TDK PRODUCT NAME:

Compared to generators DC MOTORS. Back e.m.f. Back e.m.f. Example. Example. The construction of a d.c. motor is the same as a d.c. generator.

Incremental encoders Solid shaft with square flange pulses per revolution

PB-735 HD DP. Industrial Line. Automatic punch and bind machine for books and calendars

Lecture 16: Four Quadrant operation of DC Drive (or) TYPE E Four Quadrant chopper Fed Drive: Operation

Module 9. DC Machines. Version 2 EE IIT, Kharagpur

CHAPTER 3 AMPLIFIER DESIGN TECHNIQUES

PRACTICE NO. PT-TE-1414 RELIABILITY PAGE 1 OF 6 PRACTICES ELECTROSTATIC DISCHARGE (ESD) TEST PRACTICES

Ultima 11. Manufactured for: Pain Management Technologies. Instruction Guide

Re: PCT Minimum Documentation: Updating of the Inventory of Patent Documents According to PCT Rule 34.1

Multi-beam antennas in a broadband wireless access system

FOMA M702iG Manual for Data Communication

Highlights. Opto Proximity Switches. Introduction. Opto proximity switches fast and accurate sensing with light and laser PXO100

T775E,F. Remote Temperature Controller

Rectangular type APS-10 to 15 Series

Carbon Composition Resistors

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

EYR 203, 207: Universal controller, novaflex

Electrical data Nominal voltage AC/DC 24 V Nominal voltage frequency

Kirchhoff s Rules. Kirchhoff s Laws. Kirchhoff s Rules. Kirchhoff s Laws. Practice. Understanding SPH4UW. Kirchhoff s Voltage Rule (KVR):

Transcription:

7 153 Oil urner Controls LL... Oil urner controls With or without ir pressure supervision for checked ir dmper control Flme supervision with photoresistive detector Q1... or lue-flme detector QC1... or silicon photocell detector 9... The LL... nd this Dt Sheet re intended for OEs which integrte the oil urner controls in their products! Use - For the control nd supervision of oil tomiztion urners - For urners of medium to high cpcity - For intermittent opertion (t lest one controlled shutdown every 24 hours) - Cn e universlly used with multistge or modulting urners - Suited for use with sttionry ir heters LL1... LL2... LL3.25 - Yellow- nd lue-flme urners without ir pressure supervision - Yellow-flme urners with ir pressure supervision - For specil pplictions, e.g. urners of incinertor plnt (for detils, refer to «Type summry» nd «otes») For urner controls used in connection with urners for continuous opertion, refer to Dt Sheet 7785 (LOK16...). 26.08.2008 HVC Products

Wrning notes To void injury to persons, dmge to property or the environment, the following wrning notes must e oserved! Do not open, interfere with or modify the unit! ll ctivities (mounting, instlltion nd service work, etc.) must e performed y qulified stff efore mking ny wiring chnges in the connection re, completely isolte the plnt from mins supply (ll-polr disconnection). Ensure tht the plnt cnnot e indvertently switched on gin nd tht it is indeed ded. If not oserved, there is risk of electric shock hzrd Ensure protection ginst electric shock hzrd y providing dequte protection for the urner control s connection terminls Ech time work hs een crried out (mounting, instlltion, service work, etc.), check to ensure tht wiring is in n orderly stte nd mke the sfety checks s descried in «Commissioning notes» Press the lockout reset utton only mnully (pplying force of no more thn 10 ), without using ny tools or pointed ojects Do not press the lockout reset utton on the unit or the remote reset utton for more thn 10 seconds since this will dmge the lockout rely in the unit Fll or shock cn dversely ffect the sfety functions. Such units must not e put into opertion, even if they do not exhiit ny dmge ounting notes Ensure tht the relevnt sfety regultions re complied with Instlltion notes lwys run high-voltge ignition cles seprtely, with the gretest possile distnce to the unit nd to other cles Live nd neutrl conductors must not e mixed up Electricl connection of the flme detector It is importnt to chieve prcticlly disturnce-free signl trnsmission: ever run the detector cle together with other cles Line cpcitnce reduces the mgnitude of the flme signl Use seprte cle Oserve the permissile cle lengths (refer to «Technicl dt») Commissioning notes When commissioning the plnt or when doing mintennce work, mke the following sfety checks: Sfety check to e crried out ) urner strtup with flme detector drkened ) urner strtup with flme detector exposed to extrneous light c) With wire strp : Simultion of loss of flme during opertion. For tht purpose, drken the flme detector during opertion nd mintin tht stte d) Without wire strp : Simultion of loss of flme during opertion. For tht purpose, drken the flme detector during opertion nd mintin tht stte nticipted response Lockout t the end of «TS» Lockout fter 40 seconds t the ltest Lockout epetition followed y lockout t the end of «TS» 2/18

Engineering notes S H Si L 1 2 21 EK2 1(3) 3 L Instll switches, fuses, erthing, etc., in complince with locl regultions Connect vlves nd other plnt components s specified in the urner mnufcturer s documenttion 13 12 14 4 5 6 7 15 16 17 18 19 20 9 11 10 8 22 23 24 LP W 1 LL2 2 1 2 715303/0204 3 4 5 6 7 8 9 10 Connect sfety limit thermostts (mnul reset) in the line (e.g. «S») emote reset When connecting lockout reset utton «EK2» etween terminls 21 nd - terminl 3: For remote reset only - terminl 1: For remote reset nd remote emergency shutdown With LL1 : equired switching cpcity of S v V2 z m 22 24 +... Q1... - switching devices connected etween terminls 4 nd 5 (refer to «Technicl dt») With LL2... / LL3...: equired switching cpcity of - switching devices connected etween terminl 12 nd «LP» (refer to «Technicl dt») - «LP» (refer to «Technicl dt») When using series connection, the control contcts of other devices contined in the urner plnt must e connected s follows: - to terminl 4 or 5 contcts tht must e closed from strtup to controlled shutdown otherwise no strtup or shutdown - to terminl 12 (not with LL1...) contcts tht must only e closed on strtup otherwise no strtup - to terminl 14 (not with LL1...) contcts tht must e closed no lter thn t the eginning of short preignition or long preignition nd tht must remin closed until controlled shutdown occurs otherwise lockout ximum current drw, refer to «Technicl dt» connected to terminl 15 short nd long preignition Connection of «V...» to terminl 20, refer to «Connection exmples» When using urners without ir dmper, or with n ir dmper not controlled nd monitored y the LL, terminl 8 must e connected to terminl 6 Wire link clerly mrked on the underside of the LL When wire link is fitted, the LL... initites lockout if loss of flme occurs during opertion. For repetition of the strtup sequence, wire link on the plug-in section of the LL... must e cut wy. Just cutting is not permitted! For the permissile lengths nd lying of detector cles, refer to «Flme supervision» 3/18

Stndrds nd certifictes Conformity to EEC directives - Electromgnetic comptiility EC (immunity) - Low-voltge directive 2004/108/EC 2006/95/EC ISO 9001: 2000 Cert. 00739 ISO 14001: 2004 Cert. 38233 Certified with plug-in se nd flme detector: Type LL1.25 x x x x x x --- --- LL2.14 x x x x x x x --- LL2.25 x x x x x x x x LL2.65 x x x x x x x --- LL3.25 x x x --- x x x x Life cycle urner controls LL... hs designed lifetime* of 250,000 urner strtup cycles which, under norml operting conditions in heting mode, correspond to pprox. 10 yers of usge (strting from the production dte given on the type field). This lifetime is sed on the endurnce tests specified in stndrd E298 nd the tle contining the relevnt test documenttion s pulished y the Europen ssocition of Component nufcturers (fecor) (www.fecor.org). The designed lifetime is sed on use of the urner controls ccording to the mnufcturer s Dt Sheet. fter reching the designed lifetime in terms of the numer of urner strtup cycles, or the respective time of usge, the urner control is to e replced y uthorized personnel. * The designed lifetime is not the wrrnty time specified in the Terms of Delivery Disposl notes The unit contins electricl nd electronic components nd must not e disposed of together with domestic wste. Locl nd currently vlid legisltion must e oserved. 4/18

echnicl design LL... LL3.25 Housing - Plug-in design - Exchngele unit fuse (including spre fuse) Difference to LL1... / LL2...: - Extrneous light does not initite lockout, during urner off times or during the prepurge time - Extrneous light prevents urner strtup - de of impct-proof nd het-resistnce lck plstic - Lockout reset utton with viewing window; locted ehind it: Lockout wrning lmp Lockout indictor - coupled to the spindle of the sequence switch - visile in the trnsprent lockout reset utton - uses esy-to-rememer symols to indicte the type of fult nd the point in time lockout occurred Type summry Switching times re given in the order of the strtup sequence, vlid for 50 Hz mins frequency. t 60 Hz frequency, switching times re out 17 % shorter. Flme supervision with Q1... or QC1... for lueflme urners Flme supervision with Q1... or 9... Choice of ir pressure supervision Choice of semiutomtic strtup Sme s LL2.25 with the following exception: o lockout, ut prevention of strtup in the cse of extrneous light Flsh stem genertors Universl use LL1.25 3) edium- or hevy-oil urners LL2.14 3) LL2.25 3) LL2.65 3) Specil pplictions such s incinertor plnts LL3.25 3) t1 10 s 22.5 s 66.5 s TS 4 s 5 s 5 s t3 2 s 2.5 s 2.5 s t3 From the strt ¹) t3n 10 s 15 s 15 s t4 8 s 7.5 s 7.5 s t5 4 s 7.5 s 7,5 s t6 10 s 15 s 15 s t7 2 s 2.5 s 2.5 s t8 30 s 47 s 91 s t10 6 s 10 s ²) 10 s t11 t12 Optionl Optionl t13 10 s 15 s 15 s t16 4 s 5 s 5 s t20 32 s 35 s 12.5 s ¹) With ir pressure supervision: From the time the ir pressure signl is received ²) Does not pply to LL1... 3) ville s C 100...110 V versions; dd type suffix «110 V» when ordering 5/18

Ordering Oil urner control, without plug-in se refer to «Type summry» Plug-in se is not included in stndrd delivery, must e ordered s seprte item! ccessories for medium-cpcity urner controls refer to Dt Sheet 7230 - Plug-in se G410490500 with Pg11 thred for cle entry glnds - Plug-in se G13.1 with 16 thred for cle entry glnds Flme detectors - Photoresistive detectors Q1... refer to Dt Sheet 7714 - lue-flme detectors QC1... refer to Dt Sheet 7716 - Silicon photocell detectors 9... refer to Dt Sheet 7713 Test unit KF8806 for urner controls refer to nul Document 7987 - For the simultion of fults - For mesuring the pull-in nd drop-out vlues of the flme rely in the cse of flme supervision with Q... photoresistive detectors Technicl dt Generl unit dt LL... Environmentl conditions ins voltge - With LL1... / LL2... / LL3... C 230 V 15 / +10 % C 100 V 15 %...C 110 V +10 % ins frequency 50...60 Hz ±6 % Unit fuse (uilt-in) T6.3H250V to DI E 60127 Primry fuse (externl) x. 10 (slow) Weight pprox. 1,000 g Power consumption pprox. C 3.5 V ounting position Optionl Degree of protection IP40, when fitted, with the exception of the connection re (terminl se) Sfety clss II Perm. input current t terminl 1 x. 5 (peks of 20 / 20 ms) Perm. current rting of control terminls x. 4 (peks of 20 / 20 ms) 3, 6, 7, 9...11 nd 15...20 equired switching cpcity of switching devices - etween terminls 4 nd 5 1, C 250 V - etween terminls 4 nd 12 1, C 250 V - etween terminls 12 nd «LP» 1, C 250 V - etween terminls 4 nd 14 5 (peks of 20 ) - «LP» 5 Storge DI E 60721-3-1 Climtic conditions Clss 1K3 echnicl conditions Clss 12 Temperture rnge -20...+60 C Humidity <95 % r.h. Trnsport DI E 60721-3-2 Climtic conditions Clss 2K2 echnicl conditions Clss 22 Temperture rnge -50...+60 C Humidity <95 % r.h. Opertion DI E 60721-3-3 Climtic conditions Clss 3K5 echnicl conditions Clss 32 Temperture rnge -20...+60 C Humidity <95 % r.h. Condenstion, formtion of ice nd ingress of wter re not permitted! 6/18

Technicl dt (cont d) Flme supervision LL1... with LL2... * / LL3... * with Q1... QC1... Q1... 9... in. detector current required t C 230 V 95 µ 80 µ 8 µ 6,5 µ x. permissile detector current with no 12 µ 12 µ 0.8 µ 0.7 µ flme x. detector current tht cn occur 160 µ 130 µ 35 µ 45 µ Instrument s +pole To terminl 23 To terminl 23 To terminl 22 To terminl 22 Length of detector cle In the sme cle s the x. 30 m --- ot --- control lines permitted Seprte cle in cle duct x. 1000 m --- 20 m 30 m 3-core cle --- x. 1 m --- --- 2-core cle for the detector line (l, sw); --- x. 20 m --- --- seprte single-core cle for the live conductor (r) Shielded cle (e.g. G62, shield insulted) --- --- 200 m 100 m Shield --- --- To terminl 23 --- 22 23 + LL1... µ DC 22 l 23 1 sw r + µ DC LL1... 22 23 + µ DC LL2... LL3... 22 24 + µ DC LL2... LL3... Q1... Q1...... + QC1... 7153v01/1206 7153v05/1206 7153v02/0498 7153v03/0498 * To comply with requirement of E 230 cluse 8.5 «Surge immunity test», for cle lengths ove 10 m pproprite filter elements would hve to e used. Experience hs shown tht filters re sometimes not necessry for norml opertion even for cle lengths ove 10 m. 7/18

Function 2-stge expnding flme urner odulting expnding flme urner T P ~ 1 2 t16 100% min. 0... V2 FS C D t7 t11 t1 t3 t3 t12 t3n t4 TS t5 715309/0498 t6 t13 T P ~ 1 2 100% min. 0... V FS t7 t11 t1 t3 t12 715310/0498 TS t4 t5 C D t6 t13 Legend Generl Control of the urner V... Fuel vlve... Fn or urner motor FS Flme signl mplifier Control thermostt or pressurestt ir dmper V odulting fuel vlve Lod controller Ignition trnsformer The following fetures of the LL... fford high level of sfety: - Detector nd flme simultion test re restrted on completion of the fterurn time «t13». Open or not fully closed fuel vlves immeditely initite lockout t the end of fterurn time «t13». The test ends on completion of the prepurge time «t1» of the next strtup sequence - The correct functioning of the flme supervision circuit is utomticlly checked during ech urner strtup sequence - The control contcts for the relese of fuel re checked to ensure they hve not welded postpurge time «t6» - uilt-in unit fuse protects the control contcts ginst overlods - urner opertion with or without postpurge - Fn motors with current drw of up to 4 cn e connected directly strting current mx. 20 (for mx. 20 ms) - Seprte control outputs for preignition from strt commnd postignition until shortly efore the urner strtup sequence is completed short preignition with postignition up to the end of «TS» - Seprte control outputs for the ctutor s positioning directions «OPE», «CLOSE» nd «I» - Checked ir dmper opertion to ensure prepurging with the nominl ir volume - Checked positions: - «CLOSED» or «I» on strtup low-fire position - «OPE» t the eginning of prepurging - «I» on completion of prepurging If the ctutor does not drive the ir dmper to the required position, the urner strtup sequence will e stopped - 2 control outputs for the relese of the second nd third output stge or for lod control - When lod control is enled, the control outputs for the ctutor will e glvniclly seprted from the urner control s control section - Connection fcilities for remote lockout wrning device remote reset remote emergency shutdown - In ddition, with LL2... / LL3...: possiility of ir pressure supervision with functionl test of the ir pressure monitor on strtup possiility of semiutomtic urner strtup 8/18

Function (cont d) Flme supervision Preconditions for urner strtup With the exception of LL1... - Flme detector nd flme simultion test re mde utomticlly during urner off times nd the prepurge time «t1» - If loss of flme occurs during opertion, the urner control will initite lockout - If utomtic repetition of the strtup sequence is required, the clerly mrked wire link on the plug-in section of the LL... must e cut wy strt repetition - urner control is not in the lockout position - Sequence switch is in its strt position with LL1..., voltge is present t terminls 4 nd 11 with LL2... / LL3..., voltge is present t terminls 11 nd 12 - ir dmper is closed - End switch «z» for the «CLOSED» position must feed power from terminl 11 to terminl 8 - Contct of the limit thermostt or pressure switch «W» nd the contcts of ny other switching devices in the control loop etween terminls 4 nd 5 must e closed e.g. control contct for the oil preheter s temperture - ormlly closed contct of the ir pressure switch must e closed «LP» test Strtup sequence t1 Strt commnd y closes the strt control loop etween terminls 4 nd 5 - The sequence switch strts to run - Only prepurging, fn motor t terminl 6 receives power - Pre- nd postpurging, fn motor or flue gs fn t terminl 7 receives power on completion of «t7» - On completion of «t16», the control commnd for opening the ir dmper is delivered vi terminl 9 - Terminl 8 receives no power during the positioning time - The sequence switch continues to run only fter the ir dmper hs fully closed Prepurge time with ir dmper fully open - The correct functioning of the flme supervision circuit is checked during «t1» - The urner control will initite lockout if correct functioning is not ensured With LL2... / LL3...: Shortly fter the eginning of «t1», the ir pressure switch must chnge over from terminl 13 to terminl 14 otherwise, the urner control will initite lockout strt of the ir pressure check t3 Short preignition time must e connected to terminl 16, relese of fuel vi terminl 18. t3 Long preignition time connected to terminl 15. With LL1... is switched on when strt commnd is given. With LL2... / LL3... is switched on when «LP» chnges over. no lter thn t the end of «t10» - On completion of «t1», the LL... drives the ir dmper to the low-fire position vi terminl 10 the low-fire position is defined y the chngeover point of uxiliry switch «m» in the ctutor - During the positioning time, the sequence switch mintins its position until terminl 8 receives power vi «m» - The motor of the sequence switch is switched to the control section of the LL... positioning signls delivered to terminls 8 now hve no impct on the further strtup sequence nd on susequent urner opertion 9/18

Strtup sequence (cont d) TS Ignition sfety time On completion of «TS», flme signl must e present t terminl 22. It must e ville until controlled shutdown occurs otherwise, the urner control will initite lockout nd lock itself in the lockout position t3n t4 t5 -C C C-D t6 t13 D- Postignition time - must e connected to terminl 15 - With short preignition, remins on until «TS» hs elpsed connection to terminl 16 Intervl «V2» or «-» - On completion of «t4», voltge is present t terminl 19 - The voltge is required to power «V2» connected to uxiliry switch «v» in the ctutor Intervl - On completion of «t5», terminl 20 receives power. t the sme time, control outputs 9 to 11 nd input 8 re glvniclly seprted from the LL... s control section LL... is now protected ginst reverse voltges from the lod control circuit - With the relese of t terminl 20, the strtup sequence of the LL... ends - fter few idle steps (steps with no contct position chnges), the sequence switch switches itself off Operting position of the urner urner opertion - During urner opertion, drives the ir dmper to the nominl lod or low-fire position, depending on het demnd - elese of the nominl lod tkes plce vi uxiliry switch «v» in the ctutor - In the event of loss of flme during opertion, the LL... will initite lockout - For utomtic strt repetition, the clerly mrked wire link on the plug-in section of the LL... must e cut wy Controlled shutdown In the cse of controlled shutdown, «V...» will immeditely e closed. t the sme time, the sequence switch is strted to progrm «t6». Sequence switch trvels to strt position Postpurge time - Fn «2» connected to terminl 7 - Shortly fter the strt of «t6», terminl 10 receives power ir dmper is driven to the «I» position - Full closing of the ir dmper strts only shortly efore «t6» hs elpsed initited y the control signl t terminl 11 - During the following urner off time, terminl 11 is live Permissile fterurn time During «t13», the flme signl input my still receive flme signl no lockout End of control progrm strt position s soon s the sequence switch hs reched the strt position hving therey switched itself off the flme detector nd flme simultion test will strt gin. During urner off times, the flme supervision circuit is live. When the strt position is reched: With LL1..., voltge signls is fed to terminl 4 With LL2... / LL3..., voltge signl is fed to terminl 12 10/18

Control sequence under fult conditions nd lockout indiction Whenever fult occurs, the sequence switch stops nd with it the lockout indictor. The symol ppering ove the reding mrk indictes the type of fult: o strt One of the contcts is not closed (lso refer to «Preconditions for urner strtup») Extrneous light: Lockout during or fter completion of the control progrm Exmples: onextinguished flme Leking fuel vlves Fulty flme supervision circuit = Interruption of o «OPE» signl t terminl 8 from the chngeover end switch strtup sequence Terminls 6, 7 nd 15 re live until fult hs een corrected P Lockout Does not pply to LL1...: o ir pressure indiction t the eginning of the ir pressure check ir pressure filure fter the ir pressure check Lockout Defect in the flme supervision circuit > Interruption of strtup sequence o positioning signl t terminl 8 from the uxiliry switch «m» for the low-fire position Terminls 6, 7 nd 15 re live until fult hs een corrected 1 Lockout o flme signl t the end of the sfety time «TS» I Lockout Flme signl hs een lost during opertion Lockout indictor - - Strtup sequence Idle steps (with no contct confirmtion) ( )- Postpurge progrm LL1 LL2..., LL3... urner control cn immeditely e reset fter lockout: Do not press the lockout reset utton for more thn 10 seconds The sequence switch lwys trvels to the strt position first fter resetting fter rectifiction of fult tht led to shutdown fter ech power filure During this period of time, power is only fed to terminls 7 nd 9...11. Then, the LL... will progrm new urner strtup sequence 11/18

t6 t13 t5 S t3n t3 TS t4 t3 t12 t1 t7 Connection digrms (for vrints, refer to «Connection exmples») LL1... t16 t11 z m 1 C 1 2 21 3 D 4 5 6 7 15 16 17 18 19 20 9 11 10 8 22 23 S 1(3) L W Q1... H Si L EK2 715301/0204 1 2 S V2 v z m l 22 23 1 sw r QC1... LL2... / LL3... t10 P t7 t16 t11 z m S 1 2 21 3 C D 13 12 14 t6 t3n t3 4 5 6 7 TS t3 15 16 17 18 t4 t5 t12 t1 19 20 9 t13 11 10 8 22 1 23 24 S 1(3) L W Q1... H Si L EK2 LP 715302/0402 1 2 S v V2 z m 22 24 +... 12/18

Connection digrms LL1... L Si H QC1... S 1 l sw r 22 23 1 S r1 r1 I r2 Q1... 22 23 24 4 6 7 V W fr1 IX 5 1 2 fr2 F XIV VII r3 XI XIII XII IV II X VIII V VI III EK1 L1 r2 E S 3 L 21 EK2 1 (3) 2 H 15 16 18 17 S 19 9 20 11 10 v z m 8 V2 715307/0204 LL2... / LL3... L Si H S 1 S + 22 23 24... r1 r1 I r2 22 23 24 Q1... 4 12 6 7 V XI W IX fr1 XIII 5 LP 13 14 XII 1 IV 2 TC fr2 F II X VIII V VI III XIV VII r3 EK1 L1 E r2 S 3 21 2 1 (3) L EK2 H 15 16 18 17 19 9 S 20 v z 1110 8 m V2 715308/0204 Do not press the lockout reset utton «EK...» for more thn 10 seconds! For the connection of the sfety shutoff vlve, refer to the plnt digrm provided y the urner supplier. 13/18

Sequence digrm I II III IV V VI t7 t16 t11 t3 t1 t12 t3 t4 t3n t5 C D t6 Control output t terminl: 4 19 10 15 9 20 12 * 7 16 9 11 VII VIII IX X TS t20 17 18 8 XI XII XIII XIV t10* t13 XV t8 Positions of lockout indiction 7153d01e/0404 P* 1 * These dt do not pply to LL1... 14/18

Legend Chngeover end switch for ir dmper s OPE position L emote lockout indictor (lrm) Lod rely with «r...» contcts S Unit fuse Wire link l lue r rown Lockout rely with «r...» contcts V... Fuel vlve EK... Lockout reset utton F Flme rely with «fr...» contcts H ins isoltor L... Lockout wrning lmp ir dmper Lod controller LP ir pressure switch m uxiliry switch for ir dmper s I position Fn or urner motor TC esistor with negtive temperture coefficient QC1... lue-flme detector Q1... Photoresistive detector Control thermostt or pressurestt... Silicon photocell detector Si Externl primry fuse S ir dmper ctutor S Sfety limit thermostt S Synchronous motor of sequence switch sw lck v In the ctutor: uxiliry chngeover switch for position-dependent relese of fuel V Flme signl mplifier W Limit thermostt or pressure switch z In the ctutor: End switch for ir dmper s CLOSED position Ignition trnsformer Control signls delivered y the LL... Permissile input signls equired input signls: If these signls re not present during or, the urner control will stop the strtup sequence or initite lockout TS Ignition sfety time t1 Prepurge time with ir dmper fully open t3 Preignition time, short ( connected to terminl 16) t3 Preignition time, long ( connected to terminl 15) t3n Postignition time ( connected to terminl 15) t4 Intervl etween voltge t terminls 18 nd 19 («-V2») t5 Intervl etween voltge t terminls 19 nd 20 («V2» lod controller) t6 Postpurge time (with «2») t7 Intervl etween strt commnd nd voltge t terminl 7 (strt dely time for «2») t8 Durtion of strtup sequence (excluding «t11» nd «t12») t10 Only with LL2... / LL3...: Intervl from strtup to the eginning of the ir pressure check t11 ir dmper running time to the OPE position t12 ir dmper running time to the low-fire position (I) t13 t16 Intervl to the OPE commnd for the ir dmper t20 ot with ll LL : For self-shutdown of the sequence switch 15/18

Connection exmples Connection of ctutors without chngeover end switch for the «CLOSED» position 19 20 9 11 10 8 S v z «z» djusted for low-fire ir volume. V2 715311/0498 Control of ctutor during opertion y control signls fed to terminl 17 18 19 17 9 20 11 10 8 6 For signl pth, refer to «Connection digrms». V2 715312/0498 Control of «V...» vi terminl 20 19 20 9 11 10 8 6 V2 V3 715314/0498 ely is not required if «V3» t terminl 20 is hydruliclly seriesconnected with «V2». «V2» is controlled y terminl 18 or 19. urner with no ir dmper or with ir dmper not controlled y the LL Wiring required with LL2... for opertion with no ir pressure supervision 7 13 12 14 4 5 6 W d1 If n uxiliry contct «d1» of the fn contctor is included in the circuit s shown in the digrm, ignition nd relese of fuel tke plce only when the contct is closed. 715315/1001 Semiutomtic strtup 3 12 13 14 4 5 L I W L3 LP 715316/0498 0 The urner is switched on mnully y pressing the «I» utton. Then, the LL... progrms strtup nd flme supervision. urner shutdown is lso mde mnully y pressing the «0» utton, or utomticlly when limit thermostt or pressure switch «W» responds. «L3» indictes when the urner is redy for strtup. It extinguishes shortly fter the urner is strted up. For other connections, refer to «Connection digrms». 16/18

Connection exmples (cont d) 2-stge expnding flme urner L... Lod control with 2-position controller. During urner off times, the ir dmper is closed. S V2 15 (t3 /t3n) 16 (t3) 17 18 19 9 20 11 10 8 S 11 7 1 6 5 2 10 8 IV I II III 13 12 3 4 9 V2 715305/1195 T P ~ 1 2 t16 100% min. 0... V2 FS C D t7 t11 t1 t3 t3 t12 t3n t4 TS t5 715309/0498 t6 t13 Control of ctutor ccording to the single-wire control principle. For ctutor «S» type SQ..., refer to Dt Sheet 7808; for other connections, refer to «Connection digrms» Pre- nd postignition when the ignition trnsformer is connected to terminl 15 odulting expnding flme urner L... Lod control with modulting controller with glvniclly seprted control contcts for positioning directions «OPE» nd «CLOSE». S V 16 17 18 19 20 9 11 10 8 V z S m 715306/1195 T P ~ 1 2 t7 t1 t3 TS t4 C t6 D During urner off times, the ir dmper is fully closed. When using ctutors with chngeover end switch «z» for the «CLOSED» position, terminls 10 nd 11 must e interconnected. For other connections, refer to «Connection digrms». 100% t11 t12 t5 min. 0... V FS 715310/0498 t13 17/18

Dimensions Dimensions in mm LL... 108,5 1,5 27,5 27,5 7,5 103 37 123 Plug-in se G410490500 / G13.1 7153m03/0305 103 18/18 2008 Siemens HVC Products GmH Suject to chnge!