Riello P300 T/G Installation, Use And Maintenance Instructions
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Summary of Contents for Riello P300 T/G
- Page 1 Installation, use and maintenance instructions Light oil burners CODE MODEL TYPE 3478985 P300 T/G 478 T80 3478986 P300 T/G 478 T80 2915907 (5) - 02/2015...
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Page 3: Technical Data
TECHNICAL DATA P300 T/G Model Thermal power 712/1779 - 3560 kW Capacity 60/150 - 300 kg/h Operation stage - 2 stage - 3 stage Fuel Light oil, max. viscosity at 20° C: 6 mm /s (1.5° E) ELECTRICAL DATA Model... -
Page 4: Burner Description
BURNER DESCRIPTION Fig. 1 1 - Suction line 2 - Pump pressure adjustment screws 3 - Return line 4 - Manometer plug (G 1/4) 5 - Vacuometer plug (G 1/4) 6 - Electric board 7 - Wiring terminal board 8 - Control box reset push-button and lock-out lamp 9 - Cable clamps 10 - Ignition transformer 11 - Regulating bush for combustion head... - Page 5 OPERATION AND EFFICIENCY OF THE BURNER POWER AND OUTPUT MINIMUM MAXIMUM STAGE kg/h kg/h 1186 nozzle: ignition phase 1186 2372 nozzle: intermediate phase 1779 3558 nozzle: operation phase POWER AND OUTPUT MINIMUM MAXIMUM STAGE kg/h kg/h 1186 nozzle: ignition phase 1186 2372 nozzle: 1...
- Page 6 COMBUSTION CHAMBER PRESSURE - MAXIMUM OUTPUT (three nozzles in operation) Operation field in accordance with DIN 4787 When the burner operates with only one, or two nozzles, the pressurization conditions are improved and no problems arise. DIMENSIONS OF THE TESTING COMBUSTION CHAMBER (in compliance with ISO 5063 - 1978) For the combustion head projection carefully follow the boiler manufacturer indications.
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Page 7: Supply Line
SUPPLY LINE NOTICE Before placing the burner in operation, ensure that the return line is open. Any obstruction may damage the pump seal. Pump priming: Loose the tap from the vacuometer plug 5 (fig. 1) and wait for the flow of the fuel. L meters meters I.D. -
Page 8: Internal Wiring Diagram
INTERNAL WIRING DIAGRAM (carried out by the factory) 2567 KEY TO LAYOUT Fan motor contactor Wiring terminal board Commutator Fan motor Photocell Thermal relay stage hourcounter Ignition transformer stage hourcounter Burner ground (earth) connection Safety stage hourcounter solenoid valve stage lamp stage solenoid valve stage lamp stage solenoid valve... - Page 9 ELECTRICAL CONNECTIONS TO THE WIRING TERMINAL BLOCK (to be carried out by the installer) D2648 220V 380V F A gG/gL S mm KEY TO LAYOUT Remote lock - out signal Load limit remote control system Burner manual stop switch Safety load control system Wiring terminal board stage load control system Reset push - button...
- Page 10 CHOICE OF: NOZZLES - PUMP PRESSURE - COMBUSTION HEAD ADJUSTMENT • State, first of all, the maximum output required with all three nozzles in operation. • On the base of the maximum required output, choose-from table A or B - three related nozzles. Nozzles: 60°...
- Page 11 Nozzles delivery Combustion head adjustment Pump pressure Maximum output Combustion head adjustment (set-point) Rated nozzles delivery are shown in the table. The real nozzle delivery may vary from the rated one up to ± 5%, its detection is made by weighing the oil sprayed out from the nozzle inserted in a tube.
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Page 12: Air Damper Adjustment
AIR DAMPER ADJUSTMENT The air dampers adjustment shall be set each time in relation with the nozzles delivery and the combustion chamber pressurization. Fig. 2 Fig. 3 stage air damper stage hyd. jack stage air damper stage hyd. jack stage air damper stage hyd. -
Page 13: Electric Panel
ELECTRIC PANEL nozzle hourcounter with operation signal nozzle hourcounter with operation signal nozzle hourcounter with operation signal Motor lock-out signal 4 positions commutator Control box lock-out signal with re-set push-button Hourcounter Deducting the number of hours of 2 nozzle hourcounter from those indicated in the 1 nozzle hourcounter you could know how many hours the burner has been performing only at 1 stage;... -
Page 14: Burner Start-Up Cycle
BURNER START-UP CYCLE Normal Lock-out because no ignition Thermostat Motor Ignition transformer Safety valve flame valve flame valve flame valve Lock-out lamp 2896 ALTERNATIVE START-UP CYCLES 1) If you desire the pre-ignition being present during the complete pre-purge phase (29,5 s) remove the bridge from the terminals 11 - 3 and put it on the terminals 11 - 7 of the control box. -
Page 15: Burner Start-Up Cycle Diagnostics
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 ❑... - Page 16 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...