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Istruzioni per installazione, uso e manutenzione
Montage und Bedienungs Anleitung
Installation, use and maintenance instructions
Manuel d'entretien
Bruciatore di nafta
I
Heizölbrenner
D
Heavy oil burner
GB
Brûleur à fioul lourd
F
CODICE
CODE
3438958
3438959
3438960
3438961
3438962
3438963
MODELLO - MODELL
MODELE - MODEL
PRESS 300 T/N
PRESS 300 T/N
PRESS 300 T/N
PRESS 300 T/N
PRESS 300 T/N
PRESS 300 T/N
TIPO - TYP
TYPE
468 M1
468 M1
468 M1
468 M1
468 M1
468 M1
2915837 (1)
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Related Manuals for Riello 468 M1
Summary of Contents for Riello 468 M1
- Page 1 Brûleur à fioul lourd CODICE MODELLO - MODELL TIPO - TYP CODE MODELE - MODEL TYPE 3438958 PRESS 300 T/N 468 M1 3438959 PRESS 300 T/N 468 M1 3438960 PRESS 300 T/N 468 M1 3438961 PRESS 300 T/N 468 M1...
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Page 2: Burner Description
INDEX BURNER DESCRIPTION ....1 WORKING ..... . . 10 1.1 Burner equipment . - Page 3 TECHNICAL DATA TECHNICAL DATA TYPE 468 M1 Thermal power - Output 626 - 3420 kW – 55 - 300 kg/h (see tables below) Oil with max. viscosity at 50° C 50 mm (7° E) Fuel for oil up to 500 mm /s (65°...
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Page 4: Overall Dimensions
OVERALL DIMENSIONS Burner 1000 D2776 It is possible with a spacer, upon request. Boiler front plate drilling COMBUSTION HEAD PROJECTION For the combustion head projection carefully follow the boiler manufacturer indications. A proper protection with refractory material on the combustion head projecting into the combustion chamber shall be made, when boilers with frontal smoke box are used. -
Page 5: Installation
INSTALLATION HEAVY OIL SUPPLY LINE RING SUPPLY LINE For heavy oil with viscosity up to 50°E/50°C. D2734 1 - Tank (heated for heavy oil) 6 - Burner (provided with kit for heavy oil code no. 3000721) 2 - Filter (with resistance for oil > 7°E/50°C) 7 - Pressure adjuster 3 - Forwarding pump 8 - Filter (with resistance for oil >... -
Page 6: Electrical System
ELECTRICAL SYSTEM DIRECT START-UP (carried out by the factory) D2618 COMMUTATOR PRE-HEATER CONNECTION PROBE TO ELECTRONIC THERMOSTAT D2738 D2737 CMV Fan motor contact maker Air-damper actuator Resistor contact maker Probe PT100 Commutator Ignition transformer Photoresistence Burner earth Lamps for 1 stage Electronic thermostat Lamps for 2... - Page 7 STAR-TRIANGLE START-UP (carried out by the factory) D2624 COMMUTATOR PRE-HEATER CONNECTION PROBE TO ELECTRONIC THERMOSTAT D2738 D2737 Resistor contact maker Ignition transformer Commutator Burner earth Photoresistence Electronic thermostat Lamps for 1 stage Minimal thermostat Lamps for 2 stage Maximal thermostat Lamps for 3 stage Timer...
- Page 8 STAR-TRIANGLE STARTER D2767 Starter terminal strip Disconnecting switch with interlock Power line fuses Control devices fuse Line contact maker Star contact maker Delta contact maker Timer relay for switching from star to delta (factory calibration at 10s) K2A Auxiliary contact block on k2 K3A Auxiliary contact block on k3 Thermal relay to be set at 9A for 400V or at 18A for 230V...
- Page 9 ELECTRICAL CONNECTIONS TO THE BURNER TERMINAL STRIP DIRECT START-UP (to be carried out by the installer) D2619 230V 400V A Ampere B Ampere C mm D mm Remote lock-out signal Limit control device system Optional switch on-off burner Safety control device system MB Burner terminal strip Load control system for 2 stage...
- Page 10 STAR-TIRANGLE START-UP (to be carried out by the installer) D2625 230V 400V A Ampere B mm C mm D mm Remote lock-out signal SA High temperature oil alarm Motor trip signal Limit control device system Optional switch on-off burne Safety control device system MA Start-up terminal strip Load control system for 2 stage...
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Page 11: Choice Of Nozzles
WORKING CHOICE OF NOZZLES Nozzles Total output First of all state the maximum output required with all three GPH 60° kg/h 1 nozzles in operation. 25 bar 28 bar On the base of the maximum output choose, from table A, 8.00 8.00 8.00... -
Page 12: Combustion Head Adjustment
COMBUSTION HEAD ADJUSTMENT kg/h D2773 On the base of the maximum delivery detect, from dia- gramm C, the combustion head adjustment. The adjustment should be made by turning the screw A till the set-point (see diagram) is on the line with the washer B. - Page 13 SPRAY TEMPERATURE ADJUSTMENT Thermostat for adjustment - maximum value - minimum value Electronic adjustment thermostat by means of information relayed from a PT100 probe immersed in the oil in the delivery manifold, the thermostat adjusts spray temperature. (The correct conditions for fuel spray are shown in the temperature/viscosity graph below).
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Page 14: Burner Start-Up Cycle
BURNER START-UP CYCLE Normal Lock-out because no ignition Thermostat Motor Ignition transformer Pre-purge flame valve flame valve flame valve Lock-out lamp D2848 Factory setting: 20 s. D3211 This time determines the heavy oil tempera- ture at ignition. It can be adjusted, accord- ing to the fuel’s viscosity, by the timer 22) (Fig. -
Page 15: Operating Fault Diagnostics
BURNERS START-UP CYCLE DIAGNOSTICS During start-up, indication is according to the followin table: COLOUR CODE TABLE Sequences Colour code G G G G G G G G G G G Pre-purging Ignition phase G H G H G H G H G H G Operation, flame ok K K K K K K K K K K K K Operating with weak flame signal...