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SUNTEC ENERGY SYSTEMS

Two Stage Dual Fuel Burner

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Product Specification

Two Stage Dual Fuel Burner

The GI/EMME 300-900 series of burners covers a firing range from 107 to 922 kW. They have been designed for middle and high output users and they are in particular suitable for matching with pressurized boilers. Their use allow to have an high safety in operation, guaranteed from the double fuel supply.

Two options of operation are available: only gas and only light oil, thus settable by a selector and a terminal board. Light oil circuit is fitted with his own electric motor: this permits pump stop during gas operation preventing danger of pumping seizure. A wide range of accessories and gas trains suitable to the burners guarantee an elevated working flexibility.

Technical Data

Model			GI/EMME 300	GI/EMME 400	GI/EMME 600	GI/EMME 900
Burner operation mode			Two stage
Modulation ratio at max. output			2:1
Servomotor	run time	type	LKS 210
		s	5
Heat output		kW	107/175 - 332	116/232 - 465	174/348 - 665	250/525 - 922
		Mcal/h	92/150 - 286	100/200 - 400	150/299 - 572	215/452 - 793
Working temperature		°C min./max.	0/40
Fuel / Air Data
Oil	Net calorific value	kWh/kg	11,8
	Viscosity	mm2/s ( cSt)	4-6 (at 20°C)
	Delivery	kg/h	9/15 - 28	10/20 - 39	15/29 - 56	21/44 - 78
Pump	type		AN 67	AN 67	AN 77	AN 97
	Delivery	kg/h	75 at 12 bar	75 at 12 bar	100 at 12 bar	120 at 12 bar
Atomised pressure		bar	12
Fuel temperature		max °C	60
Fuel preheater			NO
G20	Net calorific value	kWh/Nm3	10
	Density	kg/Nm3	0,71
	Gas delivery	Nm3/h	10,7/17,5 - 33,2	11,6/23,2 - 46,5	17,4/34,8 - 66,5	25/52,5 - 92,2
G25	Net calorific value	kWh/Nm3	8,6
	Density	kg/Nm3	0,78
	Gas delivery	Nm3/h	12,4/20,3 - 38,6	13,5/27 - 54	20,2/40,4 - 77,3	29/61 - 107,2
LPG	Net calorific value	kWh/Nm3	25,8
	Density	kg/Nm3	2,02
	Gas delivery	Nm3/h	4,1/6,8 - 12,9	4,5/9 - 18	6,7/13,5 - 25,8	9,7/20,3 - 35,7
Fan		type	Centrifugal with forward curve blades
Air temperature		max °C	60
Electrical data
Electrical supply		Ph / Hz / V	1/50/230 (± 10%)		3N/50/230-400 (±10%)
Auxiliary electrical supply		Ph / Hz / V	1/50/230 (±10%)
Control box		type	LFL 1.333
Total electrical power		kW	0,5	0,62	1,1	2
Auxiliary electrical power		kW	0,1	0,1	0,2	0,35
Heaters electrical power		kW	--
Protection level		IP	44
Pump motor electrical power		kW	0,15
Rated pump motor current		A	1,4		2,85
Pump motor start up current		A	3,2		6,5
Pump motor protection level		IP	44
Fan motor electrical power		kW	0,25	0,37	0,75	1,5
Rated fan motor current		A	1,85	2,9	2,85/1,65	6,55/3,15
Fan motor start up current		A	4,2	6,6	6,5/3,8	32,75/15,75
Fan motor protection level		IP	44
Ignition transformer		type	--
		V1- V2	230 V - 1x8 kV
		I1 - I2	1,8 A - 30 mA
Operation			Intermittent (at least one stop every 24h)
Approval Emissions
Sound pressure		dB(A)	69	74	82	84
Sound power		W	--
Oil	CO emission	mg/kWh	< 30
	Grade of smoke indicator	N° Bacharach	--
	CxHy emission	mg/kWh	--
	NOx emission	mg/kWh	< 200
G20	CO emission	mg/kWh	< 60
	NOx emission	mg/kWh	< 120
Directive			89/336 - 73/23 EEC
Conforming to			EN 267 - EN 676
Certification			--

Reference conditions:

Temperature: 20°C - Pressure: 1013,5 mbar - Altitude: 100 m a.s.l.
Noise measured at a distance of 1 meter.

Product Specification

Burner:
Monoblock forced draught dual fuel burner, with two-stage operation, made up of:

Air suction circuit
Fan with forward curved blades
Air damper for setting controlled by a servomotor
Combustion head, that can be set on the basis of required output
Maximum gas pressure switch
Minimum air pressure switch
Fan electrical motor
Pump electrical motor
Gears pump for high pressure fuel supply, fitted with:

filter
pressure regulator
connections for installing a pressure gauge and a a vacuometer
internal by-pass for single pipe installation

Valve unit with a double oil safety valve on the output circuit
UV photocell for flame detection
Flame inspection window
Slide bars for easier installation and maintenance
Protection filter against radio interference
IP 40 protection level.

Gas train:
Fuel supply line, in the Multiblock configuration from a diameter of 3/4 until a diameter 2 or Composed configuration from a diameter of DN 65 until a diameter of DN 100, fitted with:

Filter
Stabiliser
Minimum gas pressure switch
Safety valve
Valve seal control (for output > 1200 kW)
One stage working valve with ignition gas output regulator.

Conforming to:

89/336/EEC directive (electromagnetic compatibility)
73/23/EEC directive (low voltage)
EN 267 (liquid fuel burners)
EN 676 (gas fuel burners).

Standard equipment:

1 gas train gasket
1 flange gasket
1 insulating screen
2 flexible hoses for connection to the oil supply circuit
2 nipples for connection to the pump
3 wiring looms fittings for electrical connections
8 screws for fixing the burner flange to the boiler
1 LPG kit
Instruction manual for installation, use and maintenance
Spare parts catalogue.

Available accessories to be ordered separately:

Nozzles
Head extension kit
Sound proofing box
Adapters
Stabiliser spring
Seal control kit.

Other Products in 'Dual Fuel Burners' category

Modulating Dual Fuel Burner	Two Stage Dual Fuel Burner	Low NOx Dual Fuel Burner

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Contact Details

SUNTEC ENERGY SYSTEMS

Sambhaav House, Nr. Judges Bunglow, Bodakdev, Ahmedabad - 380015, Gujarat, India
Phone:91-79-40009197/40009260/40009261/26871911-13
Fax:91-79-40009196/26871914

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Key Personnel

Ms. Anita Nair (Manager - Co-ordination)
Mobile:+919725343432, +919979774746

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