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Riello PRESS 3G, Installation, Use And Maintenance Instructions, Page: 3 / 12

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Riello PRESS 3G Installation, Use And Maintenance Instructions Download Page 3

5903

2 

PRESSURE IN THE COMBUSTION CHAMBER - OUTPUT

 

(in compliance with DIN 4787)

The burner is drawn for on-off operation and high-low operation.
Minimum firing-rate at on-off operation is 45 kg/h (two nozzles) and 23 kg/h (one nozzle) with high-low operation.

DIMENSIONS OF THE TEST COMBUSTION-CHAMBER (DIN 4787)

Pres

sure 

in the combustion

  

   

 chamber in mbar

Burner output kg/h

Specific thermal test load

D = Boiler diameter in mm

P = Position of the mobile
      back in mm

Summary of Contents for PRESS 3G

Page 1: ...2915903 1 05 2010 Installation use and maintenance instructions Pressure jet burner CODE MODE TYPE 3475982 PRESS 3G 608 T80 ...

Page 2: ...l blast tube to be separately required Thermal power 273 534 1186 kW 234 800 459 200 1 020 000 kcal h Output 23 45 100 kg h Fuel Gas oil max viscosity at 20 C 6mm2 s 1 5 E Electrical supply Three phase 220V 10 10 60Hz without neutral 380V 10 10 60Hz with neutral Motor 7 4 A 220V 4 3 A 380V Ignition transformer Primary 1 8 A 220V Secondary 1x 8 kV 30 mA Absorbed electrical power 2 05 kW Fig 1 Burne...

Page 3: ...gh low operation Minimum firing rate at on off operation is 45 kg h two nozzles and 23 kg h one nozzle with high low operation DIMENSIONS OF THE TEST COMBUSTION CHAMBER DIN 4787 Pressure in the combustion chamber in mbar Burner output kg h Specific thermal test load D Boiler diameter in mm P Position of the mobile back in mm ...

Page 4: ... to avoid breakage of pump seals H meters L meters I D 10 mm I D 12 mm 0 5 4 10 1 8 20 1 5 12 30 2 16 40 2 5 20 50 The dimension P should not exceed 10 m to avoid breakage of pump seals Oil lines must be perfectly sealed The use of copper pipe is therefore recommended The pump suction must not exceed 4 5 m w c 35 cm Hg because be yond this value the pump becomes noisy The return line must terminat...

Page 5: ...factory 2464 KEY TO LAYOUT CMV Fan motor contact maker RT Thermal cutout FR Photocell TA Ignition transformer MB Wiring terminal block TB Burner ground earth connection MV Fan motor V1 1st stage solenoid valve RMO Control box V2 2nd stage solenoid valve ...

Page 6: ... of the scale for 380V at the end of the scale for 220V FLAME MODULATION The flame modulation is obtainable through the thermostat controlling the second valve connected to the terminals 10 and 11 removing the existing bridge 2647 KEY TO LAYOUT H Remote lock out signal TL Limit control device system MB Wiring terminal block TR High low mode control device system PS Lock out reset button TS Safety ...

Page 7: ...nuts from the pre sheared holes and inserting a commun fair lead for the passage and the clamping of the leads NOTES Do not exchange the neutral wire with the phase avoid the plug pin connection Carry out a safe earth connection Verify the burner stop by opening the boiler thermostat and the burner lock out by darkening the photo resistance ACCESSORIES RADIO DISTURBANCE PROTECTION KIT CODE 3010386...

Page 8: ...at 60 the pump pressure 12 bar and on the right the correct position of the combustion head 4 5 set points 1 Nozzles of the major existing makers may be used It might well be possible however that for certain specific outputs one type of nozzle is less suitable than others It is recommended not to change the atomizing angle 2 It is recommended not to goes down to the 10 bar otherwise the jack cont...

Page 9: ...ed then tighten the screw 1 and the nut 3 A sufficiently exact control valid for 12 bar and for the different boilers pressurizations is given by the following table NOTE For any necessary combustion adjustment at the first flame stage remove the bridge or the second stage thermo stat see page 5 Regulation of the air damper for the second flame Loosen the threaded locking ring 1 and tighten the he...

Page 10: ...ve the high voltage cable from the ignition transformer and release air from the pressure gauge fixing point by loosening the screw 4 fig 1 do not light on the photo resistor because lock out immediately will occur Should the burner go to lock out re set the control box and repeat the cycle as often as necessary CAUTION Check before starting the burner that the return line to the oil storage tank ...

Page 11: ...lower than 170V Lock out Extraneous light v v v v v Key 1 Off Yellow v Green Red SIGNAL PROBABLE CAUSE 2 flashes The flame does not stabilise at the end of the safety time faulty photocell faulty or soiled oil valves neutral phase exchange faulty ignition transformer poor burner regulation insufficient gas oil 3 flashes Min air pressure switch if installed does not close air pressure switch faulty...

Page 12: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www rielloburners com ...

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