7 53 ISO 900 Oil urner Controls LL... Oil urner controls With or without ir pressure supervision for checked ir dmper control Flme supervision with photoresistive detector Q..., or lue-flme detector QC..., or selenium photocell detector... 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 LL... LL2... LL3.25 LL4... - Yellow- nd lue-flme urners without ir pressure supervision - Yellow-flme urners with ir pressure supervision - For specil pplictions, e.g. urners of incinertor plnts (for detils, refer to «Type summry» nd «otes») - Yellow- nd lue-flme urners with ir pressure supervision For urner controls used in connection with urners for continuous opertion, refer to Dt Sheet 7785 (LOK6...). 4.0.2002 HVC Products
Wrning notes To void injury to persons, dmge to property or the environment, the following wrning notes should e oserved! Do not open, interfere with or modify the unit! efore performing ny wiring chnges in the connection re of the LL, completely isolte the urner control from the mins supply (ll-polr disconnection) Ensure protection ginst electric shock hzrd y providing dequte protection for the urner control s connection terminls Check to ensure tht wiring is in n orderly stte nd tht the wires re firmly connected Press the lockout reset utton / opertion utton only mnully (pplying force of no more thn 0 ), 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 0 seconds since this dmges the lockout rely in the unit Fll or shock cn dversely ffect the sfety functions. Such units my not e put into opertion, even if they do not exhiit ny dmge 2/20
Engineering notes Instll switches, fuses, erthing, etc., in complince with locl regultions Connect vlves nd other plnt components s specified in the urner mnufcturer s documenttion 22 24 +... LL2 2 2 3 3 2 4 4 5 6 7 5 6 7 8 9 20 9 0 8 22 23 24 S (3) L W Q... H EK2 LP 2 S v V2 z m L 2 75303/0302 3 4 5 6 7 8 9 0 Connect sfety limit thermostts (mnul reset) in the line (e.g. «S») emote reset When connecting lockout reset utton «EK2» etween terminls 2 nd - 3: For remote reset only - : For remote reset nd remote emergency shutdown With LL : equired switching cpcity of - switching devices connected etween terminls 4 nd 5 (refer to «Technicl dt») With LL2... / LL3... / LL4...: equired switching cpcity of - switching devices connected etween terminl 2 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 2 (not with LL...) contcts tht must only e closed on strtup otherwise no strtup To terminl 4 (not with LL...) contcts tht must e closed no lter thn t the eginning of «t3» or «t3» nd tht must remin closed until controlled shutdown occurs otherwise lockout ximum current drw, refer to «Technicl dt» connected to terminl 5 «t3» nd «t3n» 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» ounting notes Ensure tht the relevnt sfety regultions re complied with 3/20
Instlltion notes Instlltion work must e crried out y qulified stff Live nd neutrl conductors my 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 low-cpcitnce cle Oserve the permissile cle lengths (refer to «Technicl dt») lwys run high-voltge ignition cles seprtely, with the gretest possile distnce to the unit nd to other cles Commissioning notes Commissioning work must e crried out y qulified stff When commissioning the plnt or when doing mintennce work, mke the following sfety checks: Sfety check ) 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 this stte d) Without wire strp : Simultion of loss of flme during opertion. For tht purpose, drken the flme detector during opertion nd mintin this 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» Stndrds Conformity to EEC directives - Electromgnetic comptiility EC (immunity) 89 / 336 EEC - Low-voltge directive 73 / 23 EEC Service notes intennce work must e crried out y qulified stff Ech time unit hs een replced, check to ensure tht wiring is in n orderly stte nd tht the wires re firmly connected Disposl notes The unit contins electricl nd electronic components nd my not e disposed of together with household wste. Locl nd currently vlid legisltion must e oserved. 4/20
echnicl design LL... LL3.25 Housing Plug-in se - Plug-in design - Exchngele unit fuse (including spre fuse) Difference to LL... / LL2... / LL4...: - Extrneous light does not initite lockout during urner off times 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 - se nd plug-in section of the LL... re designed such tht only urner controls of the LL... fmily cn e plugged in - 24 connection terminls - uxiliry terminls «3» nd «32» - 3 erth terminls terminting in lug for erthing the urner - 3 neutrl conductor terminls prewired to terminl 2-4 knockout holes for cle entry y mens of cle glnds 8 t the side 6 in the ottom of the se - 6 lterl threded knockout holes for cle entry glnds Pg or 20 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 7 % shorter. Flsh stem genertors Universl use edium- or hevy-oil urners Flme supervision with Q... or QC... for lue-flme urners LL.25 LL4.2527 Flme supervision with Q... or... LL2.4 LL2.25 LL2.65 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 Specil pplictions such s incinertor plnts LL3.25 t 0 s 22.5 s 67.5 s TS 4 s 5 s 5 s t3 2 s 2.5 s 2.5 s t3 From the strt ¹) t3n 0 s 5 s 5 s t4 8 s 7.5 s 7.5 s t5 4 s 7.5 s 7.5 s t6 0 s 5 s 5 s t7 2 s 2.5 s 2.5 s t8 30 s 47.5 s 92.5 s t0 6 s 0 s 0 s t Optionl t2 Optionl t3 0 s 5 s 5 s t6 4 s 5 s 5 s t20 32 s 35 s 2.5 s ¹) With ir pressure supervision: From the time the ir pressure signl is received 5/20
Ordering When ordering, plese give full type reference ccording to «Type summry». ccessories Plug-in se - With Pg threds for cle entry glnds G40490500 - With 6 threds for cle entry glnds G3. Technicl dt Generl unit dt LL... Plug-in se G... Environmentl conditions ins voltge - With LL... / LL2... / LL3... incl. C 230 V 5 / +0 % C 00 V 5 %...C 0 V +0 % ins frequency 50...60 Hz ±6 % Unit fuse (uilt-in) T6,3H250V to DI E 60 27 Primry fuse (externl) mx. 0 (slow) Weight - LL... pprox.,000 g - Plug-in se pprox. 65 g Flme detectors: - Q... - QC... -... Power consumption ounting position Degree of protection Sfety clss Perm. input current t terminl Perm. current rting of control terminls 3, 6, 7, 9... nd 5...20 equired switching cpcity of switching devices - etween terminls 4 nd 5 - etween terminls 4 nd 2 - etween terminls 2 nd «LP» - etween terminls 4 nd 4 - «LP» refer to Dt Sheet 774 refer to Dt Sheet 776 refer to Dt Sheet 773 pprox. C 3.5 V optionl IP 40, when fitted, with the exception of the connection re (terminl se) II mx. 5 (peks of 20 / 20 ms) mx. 4 (peks of 20 / 20 ms), C 250 V, C 250 V, C 250 V 5 (peks of 20 ) 5 Degree of protection IP 00 Cle connection screw terminl cross-sectionl re of wire: 0.5...5 mm² With strnded wires use dequte ferrules Trnsport DI E 60 72-3-2 Climtic conditions clss 2K2 echnicl conditions clss 22 Temperture rnge -50...+60 C Humidity < 95 % r.h. Opertion DI E 60 72-3-3 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! 6/20
Flme supervision in. detector current required t C 230 V x. permissile detector current with no flme x. detector current tht cn occur Instrument s +pole LL... with LL2... / LL3... with LL4... with Q... QC... Q...... Q... QC... 95 µ 80 µ 8 µ 6,5 µ 95 µ 80 µ 2 µ 2 µ 0.8 µ 0.7 µ 2 µ 2 µ 60 µ 30 µ 35 µ 30 µ 60 µ 30 µ To terminl 23 To terminl 23 To terminl 22 To terminl 22 To terminl 23 To terminl 23 Length of detector cle In the sme cle s the x. 30 m --- ot permitted --- x. 30 m --- control lines Seprte cle in cle duct x. 000 m --- 20 m 7...: 30 m x. 000 m --- 3-core cle --- x. m --- --- --- x. m 2-core cle for the detector --- x. 20 m --- --- --- x. 20 m line (l, sw); seprte singlecore cle for the live conductor (r) Shielded cle (e.g. G62, --- --- 200 m 8...: 00 m --- --- shield insulted) Shield --- --- To terminl 23 --- --- --- 22 23 + LL... LL4... 22 23 753v0/0498 µ DC l sw + r LL... LL4... 753v05/0498 22 23 + µ DC LL2... LL3... 753v02/0498 22 24 + µ DC LL2... LL3... 753v03/0498 Q... µ DC Q...... + QC... 7/20
Function 2-stge expnding flme urner odulting expnding flme urner T P ~ 2 t6 00% min. 0... V2 FS C D t7 t t t3 t3 t2 t3n t4 TS t5 75309/0498 t6 t3 T P ~ 2 00% min. 0... V FS t7 t t t3 t2 7530/0498 TS t4 t5 C D t6 t3 Legend 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 Generl Control of the urner The following fetures of the LL... fford high level of sfety: - Detector nd flme simultion test re restrted on completion of the fterurn time «t3». Open or not fully closed fuel vlves immeditely initite lockout t the end of «t3». The test ends on completion of the prepurge time «t» 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 «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... / LL4...: possiility of ir pressure supervision with functionl test of the ir pressure monitor on strtup possiility of semiutomtic urner strtup 8/20
Flme supervision Preconditions for urner strtup - Flme detector nd flme simultion test re mde utomticlly during urner off times nd the prepurge time «t» - 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 LL..., voltge is present t terminls 4 nd with LL2... / LL3... / LL4..., voltge is present t terminls nd 2 - ir dmper is closed - End switch «z» for the CLOSED position must feed power from terminl 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 With the exception of LL... - ormlly closed contct of the ir pressure switch must e closed «LP» test Strtup sequence t 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 «t6», 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 «t» - The urner control will initite lockout if correct functioning is not ensured With LL2... / LL3... / LL4...: Shortly fter the eginning of «t», the ir pressure switch must chnge over from terminl 3 to terminl 4 otherwise, the urner control will initite lockout strt of the ir pressure check t3 Short preignition time: must e connected to terminl 6, relese of fuel vi terminl 8 9/20
t3 Long preignition time: connected to terminl 5. With LL...: is switched on when strt commnd is given. With LL2... / LL3... / LL4...: is switched on when «LP» chnges over no lter thn t the end of «t0» - On completion of «t», the LL... drives the ir dmper to the low-fire position vi terminl 0 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 TS t3n t4 t5 -C 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 Postignition time: - must e connected to terminl 5 - With short preignition, remins on until «TS» hs elpsed connection to terminl 6 Intervl «V2» or «-»: - On completion of «t4», voltge is present t terminl 9 - 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 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 plugin section of the LL... must e cut wy 0/20
C C-D t6 t3 D- 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 0 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 - During the following urner off time, terminl is live Permissile fterurn time: During «t3», 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 LL..., voltge signls is fed to terminl 4 With LL2... / LL3... / LL4..., voltge signl is fed to terminl 2 /20
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 strtup sequence o OPE signl t terminl 8 from the chngeover end switch Terminls 6, 7 nd 5 re live until fult hs een corrected P Lockout Does not pply to LL...: 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 5 re live until fult hs een corrected Lockout o flme signl t the end of the sfety time I Lockout Flme signl hs een lost during opertion Lockout indictor - - ( )- Strtup sequence Idle steps (with no contct confirmtion) Postpurge progrm LL LL2..., LL3..., LL4... urner control cn immeditely e reset fter lockout: Do not press the lockout reset utton for more thn 0 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... Then, the LL... will progrm new urner strtup sequence 2/20
t6 t3 S t5 TS t4 t3 t0 t7 t6 t3 t5 S t3n t3 TS t4 t3 t7 Connection digrms (for vrints, refer to «Connection exmples») LL... t6 t z m t t2 C 2 2 3 D 4 5 6 7 5 6 7 8 9 20 9 0 8 22 23 S (3) L W Q... H S L EK2 7530/0398 2 S V2 v z m l 22 23 sw r QC... LL2... / LL3... P t3n t3 t6 t t t2 z m 2 2 C D 3 3 2 4 4 5 6 7 5 6 7 8 9 20 9 0 8 22 23 24 S (3) L W Q... H S L EK2 LP 75302/0498 2 S v V2 z m 22 24 +... 3/20
t6 t3 S t5 TS t4 t3 t0 t7 Connection digrms (for vrints, refer to «Connection exmples») LL4... P t3n t3 t6 t t t2 z m 2 2 3 C D 3 2 4 4 5 6 7 5 6 7 8 9 20 9 0 8 22 23 24 S (3) L W Q... H S EK2 LP 2 S v V2 z m L 75304/0498 22 23 l sw r QC... 4/20
Connection digrms LL... L S H QC... S l sw r 22 23 S r r I r2 Q... 22 23 24 4 6 7 V W fr IX 5 2 fr2 F XIV VII r3 XI XIII XII IV II X VIII V VI III EK* L r2 E S 3 L 2 EK2* (3) 2 H 5 6 8 7 S 9 9 20 0 v z m 8 V2 75307/0496 LL2... / LL3... L H S S + 22 23 24... r r I r2 22 23 24 Q... 4 2 6 7 V XI W IX fr XIII 5 LP 3 4 XII IV 2 TC fr2 F II X VIII V VI XIV VII r3 III EK* L E r2 S 3 2 2 (3) L EK2* H 5 6 8 7 9 9 S 20 v z 0 8 m V2 75308/0598 Do not press the lockout reset utton for more thn 0 seconds! For the connection of the sfety shutoff vlve, refer to the plnt digrm provided y the urner supplier. 5/20
Connection digrms (cont d) LL4... L H QC... S S l 22 sw r 23 r r I r2 22 23 24 Q... 4 2 6 7 V XI W IX fr XIII 5 LP 3 4 XII IV 2 fr2 F II X VIII V VI XIV VII r3 III EK* L E r2 S 3 2 2 (3) L EK2* H 5 6 8 7 9 9 20 S v z 0 8 m V2 7537/0498 Sequence digrm I II III IV V VI VII VIII IX X XI XII XIII XIV t7 Do not press the lockout reset utton for more thn 0 seconds! For the connection of the sfety shutoff vlve, refer to the plnt digrm provided y the urner supplier. * t6 t t0* t3 t t8 t2 t3 TS t4 t3n t5 C D t6 t20 t3 Control output t terminl: 4 2 * 7 9 6 0 9 5 9 20 7 8 8 Positions of lockout indictor 753d0e/0402 P* * These dt do not pply to LL... 6/20
Legend Chngeover end switch for ir dmper s TC esistor with negtive temperture coefficient OPE position QC... lue-flme detector L emote lockout indictor (lrm) Q... Photoresistive detector Lod rely with «r...» contcts... Selenium photocell detector S Unit fuse S Fuse Wire link S ir dmper ctutor l lue S Synchronous motor of sequence switch r rown sw lck Lockout rely with «r...» contcts v In the ctutor: uxiliry chngeover switch EK... Lockout reset utton for position-dependent relese of fuel F Flme rely with «fr...» contcts V Flme signl mplifier H ins isoltor W Limit thermostt or pressure switch L... Lockout wrning lmp z In the ctutor: End switch for ir dmper s LP ir pressure switch CLOSED position m uxiliry switch for ir dmper s I position 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 t8 Durtion of strtup sequence t Prepurge time with ir dmper fully open (excluding «t» nd «t2») t3 Preignition time, short ( connected to terminl t0 Only with LL2... / LL3... / LL4...: Intervl from 6) t3 Preignition time, long ( connected to terminl strtup to the eginning of the ir pressure check 5) t3n Postignition time ( connected to terminl 5) t ir dmper running time to the OPE position t4 Intervl etween voltge t terminls 8 t2 ir dmper running time to the low-fire position nd 9 («-V2») (I) t5 Intervl etween voltge t terminls 9 t3 Permissile fterurn time nd 20 («V2» lod controller) t6 Intervl to the OPE commnd for the ir dmper t6 Postpurge time (with «2») t20 ot with ll LL : For self-shutdown t7 Intervl etween strt commnd nd voltge of the sequence switch t terminl 7 (strt dely time for «2») 7/20
Connection exmples Connection of ctutors without chngeover end switch for the CLOSED position 9 20 9 0 8 S v z «z» djusted for low-fire ir volume V2 753/0498 Control of ctutor during opertion y control signls fed to terminl 7 8 9 7 9 20 0 8 6 For signl pth, refer to «Connection digrms» V2 7532/0498 Control of «V...» vi terminl 20 9 20 9 0 8 6 V2 V3 7534/0498 ely is not required if «V3» t terminl 20 is hydruliclly seriesconnected with «V2». «V2» is controlled y terminl 8 or 9. 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 3 2 4 4 5 6 W d If n uxiliry contct «d» 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. 7535/00 Semiutomtic strtup 3 2 3 4 4 5 L I W L3 LP 7536/0498 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». 8/20
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 5 (t3 /t3n) 6 (t3) 7 8 9 9 20 0 8 S 7 6 5 2 0 8 IV I II III 3 2 3 4 9 V2 75305/95 T P ~ 2 t6 00% min. 0... V2 FS C D t7 t t t3 t3 t2 t3n t4 TS t5 75309/0498 t6 t3 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 5 odulting expnding flme urner L... Lod control with modulting controller with glvniclly seprted control contcts for positioning directions OPE nd CLOSE. S V 6 7 8 9 20 9 0 8 V z S m 75306/95 T P ~ 2 t7 t 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 0 nd must e interconnected. For other connections, refer to «Connection digrms». 00% t t2 t5 min. 0... V FS 7530/0498 t3 9/20
Dimensions Dimensions in mm LL... with plug-in se G...,5 5,5 23 25 25 8,9 6 7,5 5 7 5 5 5 27,5 27,5 753m02/0396 7,5 03 37 03 Plug-in se G... (Pg or 6 threds) 5,2x6,7 40 8,5 3,5 5,7 5,5 5,5 40 26,8 3 4 5 6 7 8 9 20 2 22 23 24 2 7,5 8,9 0 9 8 3 7 4,4 6 5 4 3 32 2,5 2,8 5,7 25 5 5,2 5,7 2,8 5,5 5,2x6,7 40 5,5 753m0/0396 20/20 2002 Suject to chnge!
epresented y: POWE EQUIPET COPY 20 Willimsurg od ichmond, V 2323 Ph. 804-236-3800 Fx. 804-236-3882 www.peconet.com