Siemens LFL Series Service Manual

Installation, use and maintenance instructionsGas BurnersRS 160/M LNLow-High-Low or Modulating OperationC6505073 - 2915849 (6) - 05/2009

10ADJUSTMENTS BEFORE FIRST FIRINGAdjustment of the combustion head, and air and gas deliveries has been illustrated on page 8. In addition, the follow

11SERVOMOTORThe servomotor gives simultaneous regulation of the airdamper through the variable cam profile 4)(F) and thegas butterfly valve.It rotates

12BURNER STARTINGClose the control circuit, with the switch in fig. C) in theAUTO position.On firing (pilot burner and main valve) turn the switch (C)

13AIR PRESSURE SWITCH (A)Adjust the air pressure switch after having performed allother burner adjustments with the air pressure switch setto the star

14MAINTENANCECombustionThe optimum calibration of the burner requires an analy-sis of the flue gases. Significant differences with respectto the previ

15PROCEDURE TO REFER BURNER OPERATING CONDITION IN HIGH ALTITUDE PLANTS- Find the corrected burner capacity for the plant’s altitude in chart 1 and th

16BURNER OPERATIONBURNER STARTING• Load control close.Fan motor starts.• Servomotor starts: 130° rotation to right, until contact is made on cam1)(A)

17BURNER FAULTS Control program under fault conditions and lock-out indicationIn case of any disturbance, the sequence mechanism stops and with it the

18Factory Wiring DiagramRS 160/M LNwith burner mounted Siemens LFL controlD2332(B)D2333Field Wiring DiagramRS 160/M LNwith burner mounted Siemens LFL

19(C)D2878Factory Wiring DiagramRS 160/M LNwith burner mounted Siemens LFL controlLAYOUT (A) - (B) - (C)Burner RS 160/M LNKey to LayoutsCMV - Motor co

2CONTENTSTECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3Burner models . . . . . . . . . . . . . . . . . . . . .

20Factory Wiring DiagramRS 160/M LN with auxiliary control panelLayout (A)

21LAYOUT (A) page 20Burner RS 160/M LNThe flame safeguard is in an auxiliary panel.See the internal electrical systems of the auxiliary panel in order

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BURNER SERIAL NUMBERMATRICOLA BRUCIATOREN. CODE DESCRIPTION DESCRIZIONEC9544000 (3788070)* = Versione minima - Minimum VersionC9544001 (3788075)C97440

38 3013094 •••• EXTERIOR TUBE TUBO ESTERNO39 3012637•••• ELBOW GOMITO40 3012958•••• PROBE LEAD COLLEGAMENTO SONDA41 3007891•••• SEAL GUARNIZIONE42 301

25BURNER START UP REPORTModel number:Project name:Installing contractor:Serial number:Start-up date:Phone number:GAS OPERATIONGas Supply Pressure:Main

RIELLO S.p.A.I - 37045 Legnago (VR)Tel.: +39.0442.630111 http:// www.rielloburners.comRIELLO BURNERS NORTH AMERICA35 Pond Park Road1-800-4-RIELLO 2165

3TECHNICAL DATA(1) Reference conditions: Ambient temperature 68 °F (20 °C) - Barometric pressure 394” WC - Altitude 329 ft.(2) Pressure at test point

4BURNER DESCRIPTION (A)1 Combustion head2 Ignition electrode3 Screw for combustion head adjustment4 High gas pressure switch5 Sleeve6 Servomotor contr

5FIRING RATES (A)During operation, burner output varies between:• MAXIMUM OUTPUT, selected within area A,• and MINIMUM OUTPUT, which must not be lowe

6GAS PRESSUREThe adjacent diagram shows minimum pressure lossesalong the gas supply line depending on the maximumburner output operation with natural

7INSTALLATIONBOILER PLATE (A) Drill the combustion chamber mounting plate as shownin (A). The position of the threaded holes can be markedusing the bu

8COMBUSTION HEAD ADJUSTMENTInstallation operations are now at the stage where theblast tube and sleeve are secured to the boiler as shownin fig. (A).

9GAS PIPING• The main gas train must be connected to the gasattachment 1)(A), using flange 2), gasket 3) andscrews 4) supplied with the burner.• The g