Riello C9511200 Installation, Use And Maintenance Instructions Download Page 19

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Key to Layouts

+ BB

- Components on board burners

+ BQ

- Components on board main panel

+ BC

- Components on board boller

DISC1

- Disconnect switch motor

DISC2

- Disconnect switch auxiliary

FU1

- Motor fuse

FU2

- Auxiliary fuse

- High limit control

LAL

- Control box

LT2

- Remote lock-out signal

LT3

- Low fire signal

LT4

- High fire signal

LT5

- Power on signal

LT6

- Limit satisfied

- Motor contactor

MTR

- Fan motor

- Operating control

OCR

- High-low control

OL1

- Thermal overload

- Remote lock-out reset

PSCR

- Photocell

- Switch: burner off - on;

- Switch: low and high fire operation

SOL1

- Low fire solenoid valve

SOL2

- High fire solenoid valve

SOLS

- Safety solenoid valve

- Ignition transformer

TB1

- Burner terminal strip

TB2

- Burner ground (earth) connection

- Cable fan motor

Summary of Contents for C9511200

Page 1: ...Installation use and maintenance instructions Light Oil Burners RL 28 2 38 2 50 2 Low High Operation C6505050 2915758 4 12 2012 ...

Page 2: ...r density 20 Start up report 23 N B Figures mentioned in the text are identified as follows 1 A part 1 of figure A same page as text 1 A p 4 part 1 of figure A page number 4 WARNING Do not store flammable or hazardous materials in the vicinity of fuel burning appliances Improper installation adjustment alteration service or main tenance can cause property damage personal injury or death Refer to t...

Page 3: ...ber 2 Standard applications Hot water steam thermal oil Ambient temperature F 32 104 0 40 C Combustion air temperature F max 140 60 C Main power supply 10 V Ph Hz 120 1 60 208 230 460 575 3 60 120 230 1 60 Fan motor rpm W HP V A 3400 370 0 5 120 5 2 3400 550 0 75 208 230 460 575 3 2 1 6 1 3 3400 550 0 75 120 230 9 8 4 9 Motor capacitor µF 45 20 Ignition trasformer V1 V2 I1 I2 120 V 2 x 5 kV 3 7 A ...

Page 4: ...elease by pressing the pushbutton on thermal over load PACKAGING WEIGHT B Approximate measurements The burner is shipped in cardboard box with the maximum dimensions shown in table B The weight of the burner complete with packaging is indicated in table B MAX DIMENSIONS C Approximate measurements The maximum dimensions of the burners are given in C Inspection of the combustion head requires the bu...

Page 5: ...the FIRING RATE area values have been obtained considering a surrounding temperature of 68 F 20 C and an atmospheric pressure of 394 WC above sea level and with the combustion head adjusted as shown on page 7 Note The FIRING RATE areas given in figure A have been reduced by 10 with respect to the maximum range that can be reached Consult Appendix on page 20 for operation at different surrounding t...

Page 6: ... an anti seize product high temperature grease compounds graphite The burner boiler seal must be airtight CHOICE OF NOZZLES FOR 1st AND 2nd STAGE Both nozzles must be chosen from among those listed in Table C The first nozzle determines the delivery of the burner at low fire The second nozzle works in combination with the low fire nozzle to determine the delivery of the burner at high fire The tot...

Page 7: ... and slide it up to the flange 5 keeping it slightly raised to prevent the flame stability disk from pressing against the blast tube Tighten the screws 2 on the slide bars 3 and screw 1 that attaches the burner to the flange If it proves necessary to change a nozzle with the burner already fitted to the boiler proceed as outlined below Retract the burner on its slide bars as shown in fig B p 6 Rem...

Page 8: ... and or height difference are higher than the values listed in the table Key H Pump Foot valve height difference L Piping length Ø Inside pipe diameter 1 Burner 2 Pump 3 Filter 4 Manual on off valve 5 Suction line 6 Foot valve 7 Return line HYDRAULIC CONNECTIONS B The pumps is equipped with a by pass that connects return line and suction line It is factory set with the by pass valve closed by scre...

Page 9: ...be considered to be primed when the fuel oil starts coming out of the screw 3 Stop the burner switch 1 B p 10 set to OFF and tighten the screw 3 The time required for this operation depends upon the diameter and length of the suction tubing If the pump fails to prime at the first starting of the burner and the burner locks out wait approx 15 seconds reset the burner and then repeat the starting op...

Page 10: ...e low fire Opening of the air damper 1 A must be adjusted in proportion to the selected nozzle the index 7 A must be aligned with the rate specified in table C This adjustment is achieved by turning the hex element 4 A in rh direction sign the opening is reduced in lh direction sign the opening increases Example RL 38 2 low fire nozzle 3 00 GPH 18 notch aligned with index 7 A When the adjustment i...

Page 11: ...e pump to suck out any water and other impurities that may have deposited on the bottom of the tank Fan Check to make sure that no dust has accumulated inside the fan or on its blades as this condition will cause a reduction in the air flow rate and create incom plete combustion Combustion head Check to make sure that all the parts of the combustion head are in good condition positioned correctly ...

Page 12: ...sses through the piping 9 and filter 10 and is then sprayed out through the nozzle igniting when it comes into contact with the spark This is the low fire flame If the high fire control device is closed the solenoid valve 11 is opened and the fuel enters the valve 12 and raises the piston which opens two passages one to piping 13 filter 14 and the high fire nozzle and the other to the cylinder 15 ...

Page 13: ...d change the setting of the thermal overload as well or 575V power supply depending on the burner model see page 3 The RL 50 2 single phase burner leaves the factory preset for 120V power supply if 230V power supply is required change the fan motor connection as shown in Figure below The RL 28 2 38 2 50 2 burners have been type approved for intermittent operation This means they should compulsoril...

Page 14: ...14 RL 28 2 38 2 SINGLE PHASE ...

Page 15: ...15 RL 50 2 SINGLE PHASE ...

Page 16: ...16 RL 28 2 38 2 50 2 SINGLE PHASE ...

Page 17: ...17 RL 38 2 50 2 THREE PHASE ...

Page 18: ...18 RL 38 2 50 2 THREE PHASE ...

Page 19: ...ignal LT3 Low fire signal LT4 High fire signal LT5 Power on signal LT6 Limit satisfied MC Motor contactor MTR Fan motor OC Operating control OCR High low control OL1 Thermal overload PS Remote lock out reset PSCR Photocell PB Switch burner off on Switch low and high fire operation SOL1 Low fire solenoid valve SOL2 High fire solenoid valve SOLS Safety solenoid valve T1 Ignition transformer TB1 Burn...

Page 20: ...rner s delivery must be reduced A reduction in delivery is accompanied by a reduction of the pressure in the combustion chamber Qr reduced delivery H1r reduced pressure Example a 5 delivery reduction Qr Q x 0 95 H1r H1 x 0 95 2 Steps 2 5 must now be repeated using the new Qr and H1r values Important the combustion head must be adjusted in respect to the equivalent delivery Qe Qe Q F MBtu hr H3 H2 ...

Page 21: ...3 Pre ignition time short Z connected to terminal 16 t4 Interval between voltage at terminals 18 and 20 t5 Air damper running time to OPEN position t6 Air damper running time to low flame position MIN t7 Permissible after burn time t8 Interval to the OPEN command for the air damper LAL 2 25 t1 t2 t3 t4 18 4 2 12 t5 t6 t7 t8 optional optional 12 4 A D2275 Low High ...

Page 22: ...rtup sequence Terminals 6 7 and 15 remain under voltage until fault has been corrected Lock out Defect in the flame supervision circuit faulty flame signal extraneous light Interruption of startup sequence Terminals 6 7 and 15 remain under voltage until fault has been corrected Lock out No flame signal is present on completion of the safety time Lock out Flame signal has been lost during operation...

Page 23: ... Fire High Fire High Fire High Fire High Fire High Fire OIL OPERATION Oil supply pressure Oil suction pressure Control Power Supply Burner Firing Rate Low Fire Flame Signal High Fire Flame Signal Low Fire Nozzle Size High Fire Nozzle Size CO2 Low Fire O2 Low Fire CO Low Fire NOX Low Fire Net Stack Temp Low Fire Comb Efficiency Low Fire Overfire Draft Smoke number High Fire High Fire High Fire High...

Page 24: ...11 http www rielloburners com RIELLO BURNERS NORTH AMERICA 35 Pond Park Road 1 800 4 RIELLO 2165 Meadowpine Blvd Hingham Massachusetts 1 800 474 3556 Mississauga Ontario U S A 02043 Canada L5N 6H6 http www riello burners com Subject to modifications ...

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