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T Y P E 3783302 R S 28 809 T 1 3783303 R S 28 809 T 1 3784402 R S 38 810 T 1 3784403 R S 38 810 T 1 3784502 R S 38 810 T 1 3784503 R S 38 810 T 1 3784702 R S 50 811 T 1 3784703 R S 50 811 T 1 T E L : 028095000

...............................page 2................................... 2........................................ 2................................... 3................................... 3................................... 3................................... 3................................... 4.......................................... 4................................... 4................................... 5................................... 6................................... 6..................................... 6......................... 6........................ 7..................................... 8..................................... 9....................... 12................................... 12................................... 12................................... 12................................... 13 1................................... 13 2....................... 13 3....................... 14 4....................... 14 5....................... 15 6........................ 15....................... 15.................................. 16.................................. 17.................................. 17..................... 18........... 18............... 19............... 20 N.B. 1

T E C HNIC A L DATA MODE L R S 28 R S 38 R S 38 R S 50 10 T Y P 809 T 1 810 T 1 810 T 1 811 T 1 OUT P UT (1) 2nd stage kw 163 325 232 440 232 440 290 581 Mcal/h 140 280 200 378 200 378 249 500 min. 1st stage kw Mcal/h 81 70 105 90 105 90 116 100 F UE L NAT UR AL G AS : G 20 G 21 G 22 G 23 G 25 G 20 G25 G20 G25 G20 G25 G20 G25 Net caloriþc value kwh/nm 3 8,6 10 8,6 10 8,6 10 8,6 Mcal/Nm 3 8,6 7,4 8,6 7,4 8,6 7,4 8,6 7,4 Absolute density kg/nm 3 0,71 0,78 0,71 0,78 0,71 0,78 0,71 0,78 Max delivery Nm 3 /h 32 38 44 51 44 51 58 68 P ressure at maximum delivery (2) mbar 7,5 11,1 6,6 9,7 6,6 9,7 7,2 10,6 OP E R AT ION Intermittent (min. 1 stop in 24 hours) Twostage (high and low ßame) and singlestage (all nothing) S TANDAR D AP P LIC ATION Boilers: water, steam, diethermic oil AMB IE NT T E MP E R AT UR E C 0 40 C OMB US T ION AIR T E MP E R AT UR E C max 60 E LE C T R IC AL S UP P LY V 220 ~ +/10% 220 380 with neutral ~ +/10% Hz E LE C T R IC AL MOTOR rpm W V A 250 220 240 2,1 420 220 240 2,9 450 220/240380/415 2 1,2 650 220/240380/415 3 1,7 MOTOR C APAC ITOR µf /V 8/450 12,5/450 IG NIT ION T R AS F OR ME R V 1 V 2 I1 I2 230 V 1 x 8 kv 1 A 20 ma E LE C T R IC AL P OWE R C ONS UMP T ION W max 370 600 560 750 E LE C T R IC AL P R OT E C T ION IP 44 IN C ONF OR MIT Y WIT H E E C DIR E C T IV E S 90/396 89/336 73/23 92/42 NOIS E LE V E LS (3) db A 68 70 70 72 AP P R OVAL C E 0085AP 0733 0085AP 0734 0085AP 0734 0085AP 0735 VA R IA NT S G A S C AT E G OR Y Model E lec tric al s upply B las t tube length mm C OUNT R Y C AT E G OR Y R S 28 singlephase singlephase 216 351 IT AT G R DK F I S E E S G B IE P T II 2H3B / P II 2H3P R S 38 R S 50 singlephase singlephase threephase threephase threephase threephase 216 351 216 351 216 351 NL F R DE B E LU II 2L3B / P II 2E r3p II 2E LL3B /P I 2E (R )B, I 3P II 2E 3B /P AC C E S S OR IE S (optional): K IT F OR L P G OP E R AT ION: T he kit allows the R S 283850 burners to operate on LP G. B UR NE R R S 28 R S 38 R S 50 OUT P UT kw 95 Ö 325 115 Ö 440 140 Ö 581 BLAS T TUBE LE NG TH mm 216 351 216 351 216 351 C ODE 3010079 3010080 3010081 3010082 3010083 3010084 G R OUND F A UL T INT E R R UP T E R : code 3010321 S TATUS (see page 20): code 3010322 G A S T R A IN AC C OR DING TO R E G UL AT ION E N 676 (with valves, pres s ure governor and Þlter): see page 8. 2

B UR NE R DE S C R IP T ION 1 2 3 4 5 6 7 8 9 10 11 D492 D3045 12 13 14 15 16 17 18 19 20 21 22 23 24 25 D3026 PAC K AG ING WE IG HT mm A B C kg R S 28/M 1010 625 495 38 R S 38/M 1010 625 495 40 R S 50/M 1010 625 495 41 D88 (C ) mm A B C D (1) E F G H I L M R S 28/M 476 474 580 216 351 140 352 164 810 108 168 1Ó1/2 R S 38/M 476 474 580 216 351 140 352 164 810 108 168 1Ó1/2 R S 50/M 476 474 580 216 351 152 352 164 810 108 168 1Ó1/2 (1) B last tube: shortlang D495 S TA NDA R D E QUIP ME NT 1 1 4 1 4 5 6 1 1 3

R S 28 D948 F IR ING R AT E S C ombustion chamber pressure mbar MAXIMUM OUT P UT MINIMUM OUTP UT R S 28 = 81 kw R S 38 = 105 kw R S 50 = 116 kw R S 38 R S 50 C ombustion chamber length m C ombustion chamber pressure mbar C ombustion chamber pressure mbar Mcal/h kw D497 4

R S 28 kw 1 2 165 185 210 235 260 285 310 325 R S 38 R S 50 2,5 3,1 4,0 4,7 5,5 6,3 7,0 7,5 0,1 0,1 0,1 0,2 0,2 0,3 0,3 0,3 kw 1 2 230 260 290 320 350 380 410 440 2,6 3,1 3,7 4,3 4,8 5,4 6,0 6,6 0,2 0,2 0,3 0,3 0,4 0,4 0,5 0,6 kw 1 2 290 330 370 410 450 490 530 580 2,2 2,9 3,6 4,3 5,0 5,6 6,3 7,2 0,3 0,4 0,5 0,6 0,7 0,9 1,0 1,2 3/4 3970076 11,1 13,4 16,5 19,9 23,6 27,5 31,6 34,2 1Ó 3970077 9,2 11,2 13,4 15,8 18,3 20,9 23,7 26,6 1Ó 3970077 13,4 16,6 20,0 23,7 27,6 31,7 36,1 41,8 p (mbar) 1Ó 3970077 5,3 6,4 7,9 9,5 11,2 13,1 15,0 16,2 1Ó1/4 3970144 5,4 6,6 7,9 9,2 10,6 12,1 13,7 15,3 1Ó1/4 3970144 7,9 9,7 11,6 13,7 15,9 18,2 20,6 23,9 p (mbar) 1Ó1/2 3970145 3,6 4,5 5,5 6,5 7,6 8,8 10,1 11,4 p (mbar) 1Ó1/2 3970145 5,5 6,9 8,4 10,1 11,9 13,7 15,7 18,5 3 1Ó1/4 3970144 3,2 3,8 4,7 5,6 6,6 7,6 8,7 9,4 3 3 1Ó1/2 3970180 3,0 3,7 4,4 4,8 5,9 6,6 7,0 8,1 1Ó1/2 3970180 4,4 5,0 6,1 7,0 8,3 9,7 10,5 12,0 1Ó1/2 3970145 2,1 2,5 3,1 3,8 4,5 5,3 6,2 6,7 2Ó 3970146 3970160 1,4 1,7 2,1 2,5 3,0 3,5 4,0 4,5 2Ó 3970146 3970160 2,1 2,7 3,3 4,0 4,7 5,5 6,3 7,4 1Ó1/2 3970180 1,8 2,0 2,5 3,2 3,7 4,4 4,7 4,9 2Ó 3970181 3970182 1,8 2,2 2,7 3,3 3,5 4,0 4,4 5,0 2Ó 3970181 3970182 2,7 3,4 3,9 4,4 5,1 5,9 6,6 7,8 Column 1 Column 2 Column 3 = 6 mbar = 2 mbar 6 2 = 4 mbar Example RS 28: D934 5

mm A B C R S 28 160 224 M 8 R S 38 160 224 M 8 R S 50 160 224 M 8 D455 BOILER PLATE (A) BLAST TUBE LENGTH (B) Blast tube 12): RS 28 RS 38 RS 50 short( 216 216 long 351 351 351 P R OB E E LE C T R ODE R S 2838 E LE C T R ODE R S 50 D499 SECURING THE BURNER TO THE BOILER (B) D880 (C ) COMBUSTION HEAD CALIBRATION D501 (D) 6

D502 Notches nr. (Air = G as) D503 (C ) B urner output in 2nd stage operation Example RS 38: Note D504 (D) Important 7

GAS LINE D505 GAS TRAIN (B). KEY (B) 1 2 3 4 5 6 7 8 9 G A S B UR NE R S A ND R E L E V A NT G A S T R A INS A P P R OV E D A C C OR DING T O E N 676 G as train L B urner 13 14 C.T. C ode R S 28 R S 38 R S 50 C ode C ode 3/4Ó 3970076 3010123 3000824 1Ó 3970077 3010123 3000824 1Ó1/4 3970144 3010123 1Ó1/2 3970145 3010123 1Ó1/2 3970180 3010123 2Ó 3970146 3010123 3000822 2Ó 3970181 3010123 3000822 2Ó 3970160 3000822 2Ó 3970182 3000822 (C ) GAS TR AIN COMPONENTS D935 10 11 12 13 14 P1 P2 P3 L L1 KEY TO TABLE (C) C.T. = C ode F ilter 5 C omponents P ressure governor 6 3970076 Multiblock MB DLE 407 3970077 Multiblock MB DLE 410 3970144 Multiblock MB DLE 412 S olenoids 8 9 3970145 G F 515/1 FR S 515 DMV DLE 512/11 3970180 Multiblock MB DLE 415 3970146 3970160 3970181 3970182 G F 520/1 F R S 520 DMV DLE 520/11 Multiblock MB DLE 420 = 13 = 14 = Note 8

E LE C TR IC AL E QUIP ME NT F AC TOR Y S E T R S 28 singlephase Nero B ianco B lu E L E C T R IC A L S Y S T E M E L E C T R IC A L S Y S T E M L AYOUT B urner R S 28 (s inglephas e) L AYOUT B urner R S 38 (s inglephas e) L AYOUT (C ) B urners R S 38 50 (threephas e) E LE C TR IC AL E QUIP ME NT F AC TOR Y S E T R S 38 singlephase D3012 K ey to L ayouts (C ) C C MV F 1 DA I1 I2 MV PA R T S M S O S P TA T B XP 1 XP 4 XP 5 XP 6 XP 7 ATTE NTION E LE C TR IC AL E QUIP ME NT F AC TOR Y S E T R S 38 threephase R S 50 D3013 (C ) D3014 9

E L E C T R IC A L C ONNE C T IONS R S 28 R S 38 s inglephas e without leak detec tion c ontrol devic e D3027 R S 28 und R S 38 s inglephas e 1 P g 11 2 P g 11 3 P g 9 4 P g 9 5 P g 11 R S 38 threephas e and R S 50 1 P g 11 2 P g 11 3 P g 9 4 P g 9 5 P g 11 6 P g 11 L AYOUT The R S 28 38 Models electrical R S 28 R S 38 s inglephas e with leak detec tion c ontrol devic e V P S D940 L AYOUT (C ) The R S 28 38 Models electrical K ey to layouts (C ) h1 h2 IN XP X4 X6 X7 P C P G S S 1 (C ) D941 T R T L T S V R V S 10

R S 38 R S 50 threephas e without leak detec tion c ontrol devic e LAYOUT T he R S 38 50 Models elec tric al R S 38 R S 50 threephas e without leak detec tion c ontrol devic e V P S D943 L AYOUT T he R S 38 50 Models elec trical connection threephas e power s upply with VP S leak detection control device. K ey to layouts h1 h2 IN XP X4 X5 X6 X7 P C P G S S 1 T R T L T S V R V S C ALIB R AT ION OF T HE R MAL R E LAY R S 38 threephas e R S 50 D944 (C ) D867 11

MIN G AS P R E S S UR E S WIT C H AIR P R E S S UR E S WIT C H D897 S E R VOMOTOR (D) (C ) D514 S E R VOMOTOR C am S t2 : 90 C am S t0 : 0 C am S t1 : 15 C am MV : 85 (D) 1 2 D517 B urner off B urner on 1st stage 2nd stage (E ) D469 12

LAYOUT (A) 1 2 B urner off B urner on 1st stage 2nd stage D469 13

3 1ST STAGE OUTPUT D518 1 S ervomotor 2 C am 4 engaged /disengages 3 C am cover 4 Adjustable proþle cam 5 C am proþle adjustment screws 6 Opening for access to screws 5 7 Index for graduated sector 8 8 G raduated sector for gas butterßy valve Note D520 Adjustment of air delivery 4 INTERMEDIATE OUTPUTS Note 14

AIR P R E S S UR E S WIT C H 5)(A)p. 3 5 AIR PRESSURE SWITCH (A) MIN G AS P R E S S UR E S WIT C H 7)p. 8 D521 Attention Warning D896 6 MINIMUM GAS PRESSURE SWITCH (B) (C ) D3023 FLAME PRESENT CHECK (C) 15

NOR MA L F IR ING (n = seconds from instant 0) BURNER OPERATION : 0 s : 2 s : 3 s : 28 s : 43 s R MG LE D * 45 s : 53 s : * Off Y ellow G reen R ed For further details see page 17. NO F IR ING D3028 STEADY STATE OPERATION (A) System equipped with one control device TR. R MG LE D * Systems not equipped with control device TR (jumper wire installed) FIRING FAILURE (B) * Off Y ellow R ed For further details see page 17. 16 D3029 BURNER FLAME GOES OUT DURING OPER ATION

F LAME INS P E C T ION WINDOW FINAL CHECKS OP E NING T HE B UR NE R D484 MAINTENANCE Combustion Gas leaks Gas filter Flame inspection window Combustion head Burner Combustion TO OPEN THE BURNER (B): D535 TO CLOSE THE BURNER (B): 17

BURNER STARTUP CYCLE DIAGNOSTICS During startup, indication is according to the followin table: COLOUR CODE TABLE Sequences Colour code Prepurging Ignition phase Operation, flame ok Operating with weak flame signal Electrical supply lower than ~ 170V Lockout Extraneous light Legenda: Off Yellow Green Red RESETTING THE CONTROL BOX AND USING DIAGNOSTICS RED LED on wait at least 10s Lockout Press reset for > 3s Pulses Interval 3s Pulses RESETTING THE CONTROL BOX SOFTWARE DIAGNOSTICS BUTTON PRESSED FOR Between 1 and 3 seconds More than 3 seconds More than 3 seconds starting from the visual diagnostics condition CONTROL BOX STATUS Control box reset without viewing visual diagnostics. Visual diagnostics of lockout condition: (LED pulses at 1second intervals). Software diagnostics by means of optical interface and PC (hours of operation, malfunctions etc. can be viewed) 18

2 x blinks 1.............. 2............. 3.......................... 4................... 5.......... 6..................... 7....... 8........................ 9..... 10.......................... 11............. 12................................... 13.. 3 x blinks 14 15................... 16........... 17........................... 18......................... 19................ 20.......................... 21........................... 4 x blinks 22................................. 23.................. 7 x blinks 24.............. 25................ 26................. 27............................... 28........................... 29.................... 30......................... 31........................ 32.................. 33........................ 10 x blinks 34.................... 35............................. No blink 36......................... 37............... 38........................ 39.............................. 40....................................... 41...................... 42............ 43....... 44............................. 45................... 46.............. 47............... 48............. 49............................ 50................................ 51................................. 52 19

RIELLO S.p.A. Via degli Alpini 1 I 37045 Legnago (VR) Tel.: +39.0442.630111 Fax: +39.0442.630375 http:// www.rielloburners.com Subject to modifications Sujeto a modificaciones Sujeito a modificações