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400kW Burner - Gas

Monoblock Forced Draught Natural Gas Burner

– Fully automatic two stage operation
– Air suction circuit lined with sound proofing material
– Fan with reverse curve blades
– Air damper for air flow setting
– Butterfly valve for regulating fuel output on 1st & 2nd stage
controlled by servomotor with variable cam
– Starting motor at 2800 rpm
– Minimum air pressure switch
– Microprocessor burner safety control box with diagnostic function
– Burner on/off selection switch
– 1st – 2nd Stage manual switch
– Flame inspection window
– Radio interference protection filter
– IP 44 electric protection level

Specification Calculators
MakeRiello
ModelRS50 TL
Burner Operation ModeTwo Stage Progressive
Modulation Ratio at Max Output2÷1
Servomotor TypeSQN90
Servomotor Run Time12 Seconds
Heat Output116/290-581 kW
Heat Output100/249-500 kW
Working Temperature0 - 40 °C
Net Calorific Value G20 Gas10 kWh/Nm³
G20 Gas Density0.71 kg/Nm³
G20 Gas Delivery11.6/29-58 Nm³/h
Net Calorific Value G25 Gas8.6 kWh/Nm³
G25 Gas Density0.78 kg/Nm³
G25 Gas Delivery13.5/34-68 Nm³/h
Net Calorific Value LPG Gas25.8 kWh/Nm³
LPG Gas Density2.02 kg/Nm³
LPG Gas Delivery4.5/11-23 Nm³/h
Fan TypeCentrifugal with Reverse Curve Blades
Air Temperature (max)60 °C
Electrical Supply3ph 50 Hz 400v
Auxiliary Electrical Supply1ph 50 Hz 230v
Control BoxRMG
Total Electrical Power0.75 kW
Auxiliary Electrical Power0.12 kW
Protection LevelIP 44
Motor Electrical Power0.65 kW
Rated Motor Current3-1.7 A
Motor Start Up Current13.8-8 A
Motor Protection LevelIP 54
Ignition Transformer V1-V2230v 1x8 kV
Ignition Transformer I1-I21A 20 mA
OperationIntermittent (at least one stop every 24h)
Sound Pressure72 dBA
CO Emissions<40 mg/kWh
NOx Emissions<130 mg/kWh
Conforming toEN 676
CertificationCE 0085AP0735
Dimensions (W x L x H)476 x 931 x 474mm

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