Summary of Contents for Riello Burners PRESS 100 N
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Installation, use and maintenance instructions Heavy oil burner CODE MODEL TYPE 3435985 PRESS 100 N 617 T80 3435986 PRESS 100 N 617 T80 2915896 (2) - 01/2009...
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Thermal power - Output 285 / 490 - 1140 kW - 25 / 43 - 100 kg/h Operation Two stages Fuel Oil with max. viscosity at 50 °C: 150 mm /s (20 °E) Three phase 220V +10% -10% ~ 60Hz without neutral Electrical supply 380V +10% -10% ~ 60Hz with neutral Motor...
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COMBUSTION CHAMBER PRESSURE - MAXIMUM OUTPUT (two nozzles in operation) kg/h When the burner operates with only one nozzle, the pressurization conditions are improved and no problems arise. Minimal fuel capacity with only one nozzle: 25 kg/h - 285 kW Front plate detail for boiler mounting Note for the extended combustion head version...
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FUEL OIL GRAVITY FEED SYSTEMS Gravity system (fuel oil with viscosity max. 7°E at 50° C) L meters Pump priming: loose the tap of the vacuometer plug 5) (fig. 1) and wait ø 3/4” ø 1” meters for the fuel flow. H: Difference in the pipes height.
ELECTRICAL WIRING CONNECTIONS (carried out by the factory) RMO88.53A2 RMO88.53A2 18 9 2 4 6 1 3 5 1 3 5 L1 L2 L3 S3 T1 30 T2 T6 T8 D2613 KEY TO LAYOUT Fan motor contactor Pre-heart contactor Suppressor Photoresistance Wiring terminal board Fan motor...
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ELECTRICAL CONNECTIONS TO THE WIRING TERMINAL BOARD (to be carried out by the installer) D2644 220V 380V KEY TO LAYOUT A Ampere B mm Remote lock-out signal C Ampere Manual burner stop switch D mm Wiring terminal board Limit control device system High-low mode control device system Safety control device system NOTE...
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FASTENING OF THE ELECTRICAL WIRES All the wires, which are to be connected to the wiring terminal board 16) (fig. 1) shall pass through the fair leads 17) (fig. 1) as per this scheme. 1 - Pre-heating resistances three-phase supply: fair lead Pg 21 2 - Motor three phase supply: fair lead Pg 16...
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CHOICE OF NOZZLES - OF THE PUMP PRESSURE OF THE COMBUSTION HEAD ADJUSTMENT Nozzles delivery Combustion head adjustment Pump pressure Maximum output kg/h Nozzle 20 bar 25 bar GPH (45° - 60°) kg/h kg/h 3,50 + 3,50 42,00 47,40 4,00 + 4,00 48,00 54,20 4,50 + 4,50...
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ADJUSTMENT OF THE AIR DAMPER MOTOR STOP - Blue lever This lever leaves the factory vertically positioned and Black lever corresponds to the complete closing of the air damper. A partial opening of the air damper might be obtained by Red lever moving leftwards this lever (+ on the label).
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SPRAY TEMPERATURE ADJUSTMENT Thermostats for: adjustment - maximum value - minimum value Adjustment thermostat it prevents the burner start up if the fuel temperature has not reached the required value for a good spray as indicated in the diagram below. /s °E Sheath for thermometer...
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NOTE - The pre-heater might be provided with a second thermostat of maximum value with manual reset. That thermostat can be used as a switch operating by means of an external commutator, which can take off the current from the pre-heater in case of over-temperature. (Kit code no. 3000800). - Before the burner start-up, verify that the pump is filled of fuel in order to avoid any idling for too long time.
BURNER START-UP CYCLE DIAGNOSTICS During start-up, indication is according to the followin table: COLOUR CODE TABLE Sequences Colour code Pre-purging Ignition phase Operation, flame ok Operating with weak flame signal Electrical supply lower than ~ 170V Lock-out Extraneous light Key: Yellow Green OPERATING FAULT DIAGNOSTICS...
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