2915849 (8) - 06/2014
Installation, use and maintenance instructions
Gas burners
Low-High-Low or Modulating Operation
CODE
MODEL
20011691
RS 160/M LN
3788070
3788075
GB
Страница 1: ...2915849 8 06 2014 Installation use and maintenance instructions Gas burners Low High Low or Modulating Operation CODE MODEL 20011691 RS 160 M LN 3788070 RS 160 M LN 3788075 RS 160 M LN GB...
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Страница 3: ...present check 13 MAINTENANCE 14 Burner operation 15 Burner faults 16 Procedure to refer burner operating condition in high altitude plants 17 APPENDIX Spare parts list 18 Burner start up report 21 WAR...
Страница 4: ...uel Natural gas max delivery SCFH 7046 pressure at max delivery 2 WC 7 Operation Low high or modulating Standard applications Boilers water steam thermal oil Ambient temperature F 32 104 0 40 C Combus...
Страница 5: ...ING TO UL STANDARDS see page 9 Model RBNA Code Riello Code Voltage Flame safeguard RS 160 M LN tbd 20011691 208 230 3 60 Burner mounted RS 160 M LN C9544000 3788070 460 3 60 Burner mounted RS 160 M LN...
Страница 6: ...iler mounting flange 26 Flame stability disk 27 Pilot burner Two types of burner failure may occur FLAME SAFEGUARD LOCK OUT if the flame relay 13 A pushbutton lights up it indi cates that the burner i...
Страница 7: ...nch length 6 6 ft COMMERCIAL BOILERS C IMPORTANT The RS 160 M LN burner is suitable for operation on ei ther flame inversion boilers or boilers with combustion chambers featuring flow from the base th...
Страница 8: ...output of the burner as follows subtract the combustion chamber pressure from the gas pressure measured at test point 1 B Find the nearest pressure value to your result in diaram A Read off the corre...
Страница 9: ...isengage the swivel joint 7 from the graduated sector 8 remove the screws 2 from the slide bars 5 remove the two screws 4 and pull the burner back on slide bars 5 by about 4 disconnect the wires from...
Страница 10: ...le always keep the ring nut closed notch 0 if air recovery is required the nut may be opened following the indications in diagram C Diagram C indicates an optimal regulation for a type of boiler seen...
Страница 11: ...trical layouts The manufacturer declines all responsibility for modifications or connections different from those shown in the electrical layouts Check that the electrical supply of the burner corre s...
Страница 12: ...following adjustments must also be made Open manual valves up stream from the gas train Adjust the low gas pressure switch to the start of the scale A Adjust the high gas pressure switch to the end of...
Страница 13: ...r the stroke end cam 2 to exploit as far as possible the variable profile cam Trim potentiometer POS Limits an intermediate operating position between MAX and MIN supplying power to the P terminal in...
Страница 14: ...profile cam 4 D If a lower modulation minimum is required than the level set on cam 3 of the servomotor 20 decrease the cam setting INTERMEDIATE OUTPUTS With the switch C in the AUTO position the sli...
Страница 15: ...burner adjustments with the maximum gas pressure switch set to the end of the scale B With the burner operating at MAX output reduce the adjustment pressure by slowly turning the adjustment dial antic...
Страница 16: ...ened Clean the outside of the burner taking special care with the swivel joints and cam Combustion Adjust the burner if the combustion values found at the beginning of the operation do not comply wit...
Страница 17: ...plied by the burner at min output Load control opens The servomotor returns to the 0 angle limited by contact with cam 2 The air damper closes completely to reduce thermal dispersion to a minimum Ever...
Страница 18: ...air pressure control Every air pressure failure after this moment in time leads to lock out too Lock out due to a fault in the flame supervision circuit Interruption of startup sequence because the po...
Страница 19: ...8977 9361 7500 7404 7500 7673 7955 8258 8564 8892 9238 9618 10029 8000 7897 8000 8185 8485 8809 9135 9484 9854 10259 10698 8500 8391 8500 8697 9016 9359 9705 10077 10470 10900 11367 9000 8885 9000 920...
Страница 20: ...8 27 42 41 73 5 23 68 70 49 51 65 69 24 62 22 6 19 13 52 1 2 29 12 9 17 21 20 4 3 44 28 48 50 65 66 63 65 64 14 8 7 39 38 36 30 31 40 32 10 37 33 35 34 54 53 56 57 59 58 55 61 60 45 16 45 46 71 72 67...
Страница 21: ...11 3012627 BAR EXTENSION 02356XXXXXX 11 3013686 BAR EXTENSION 02366XXXXXX 12 3012948 AIR PRESSURE SWITCH 13 3013127 BASE PLATE 13 3013205 BASE PLATE 14 C5360008 3012955 CONTROL BOX LFL 1 335 15 30120...
Страница 22: ...SLEEVE 56 3012641 BRACKET 57 3012642 SHUTTER 58 3012643 END CONE 59 3012647 CENTERING SUPPORT 60 3003322 CONNECTOR 61 3013096 MANIFOLD 02356XXXXXX 62 3006132 SHAFT AND RING 63 3012644 GRADUATE SECTOR...
