Viessmann VITOFLAME 300, Service Instructions Manual

Page 1: ...Service instructions for contractors VIESMANN Vitoflame 300 Type VHG III Pressure jet oil burner for the Vitorondens 200 T 67 6 to 107 3 kW VITOFLAME 300 5834343 GB 7 2019 Please keep safe...

Page 2: ...authorised by the installer Regulations to be observed National installation regulations Statutory regulations for the prevention of accidents Statutory regulations for environmental protection Codes...

Page 3: ...g system Ventilate the installation site Close the doors to living spaces to prevent flue gases from spread ing What to do if water escapes from the appliance Danger If water escapes from the applianc...

Page 4: ...the same time this can lead to a reverse flow of flue gas Danger The simultaneous operation of the boiler and appliances that extract air to the outside can result in life threatening poisoning due t...

Page 5: ...ner control unit 16 4 Troubleshooting Diagnosis 19 Faults with flash code indication 19 Faults without flash code indication 20 5 Component overview 22 6 Connection and wiring dia gram 24 7 Report 25...

Page 6: ...nt correctly Dispose of component at a suitable collec tion point Do not dispose of component in domestic waste The steps in connection with commissioning inspec tion and maintenance are found in the...

Page 7: ...ical connections 9 Cleaning the burner 12 10 Checking the impeller fixings 11 Checking the flame tube fixings 12 Replacing the nozzle 13 13 Checking and adjusting the ignition electrodes 13 14 Fitting...

Page 8: ...the filter with fuel oil using a manual oil suction pump before switching the burner on 4 Switch ON the mains isolator outside the installa tion room 5 Turn on system ON OFF switch B at the control u...

Page 9: ...l of 3 m between the oil pump and the bottom of the tank Note If the vacuum pressure is higher than 0 35 bar check the filter for contamination and check the pipe run E Fig 4 07 If the CO2 content is...

Page 10: ...oid valve control During a controlled shutdown the burner air damper moves into the closed position This reduces the cool down losses The switch cams are located under the cover of the air damper serv...

Page 11: ...r the flame monitor during operation and leave in this condition Restart followed by a fault shutdown at the end of the safety time Red flashing code flashes 2x Installing and adjusting the flame moni...

Page 12: ...burner casing with the blast tube connection pointing upwards or to the side 2 Clean flame tube sensor plate A ignition electro des B and flame monitor C 3 If the burner pressure differs significantl...

Page 13: ...the make and type of nozzle see standard val ues for burner adjustment on page 27 4 Mount mixing facility A Position the nozzle in the centre of the sensor plate and note the distance between the sen...

Page 14: ...kW 12 0 mm Fitting the burner cover on the burner casing Cleaning the oil pump filter and replacing it if necessary Fig 11 Oil pump make Danfoss A Filter plug B O ring replace C Filter replace Commiss...

Page 15: ...Cover Replacing the filter element of the fuel oil filter Commissioning the system Checking the oil lines and connections for leaks Re testing the burner and entering the actual values into the repor...

Page 16: ...or R Output controller t1 Pre purge time min 20 s t40 Delay time between enabling solenoid valve stage 1 and enabling controller input approx 11 s t3 Pre ignition time approx 20 s t3n Post ignition ti...

Page 17: ...tion phase pre purge ignition activated Green continuous Operation flame stable Green flashing Operation poor flame stability Yellow red flashing alternately Undervoltage 195 V Red continuous Fault bu...

Page 18: ...pprox 1 s 3 s Call up flash code Press reset button until LED changes to yellow approx 5 s 3 s Burner start Read off flash code and identify its meaning in the diagnosis table Remedy the fault Reset b...

Page 19: ...essure and vacuum gauges at the pump and check build up of pressure see follow ing paragraph Pump does not supply oil 2 Shut off valves closed at filter or in oil line Open valves 2 Filter blocked Cle...

Page 20: ...tion indicator does not illuminate No power Check fuse or plug in connector aB in the control unit the electrical connec tions the setting of the ON OFF switch on the control unit and the mains isolat...

Page 21: ...s are connected to the flue gas heat exchanger Connect consumers correctly Pump faulty Insufficient throughput through the flue gas heat exchanger Replace the pump Burner operates constant red flicker...

Page 22: ...ner D Electronic ignition E Servomotor F Burner control unit G Return line or suction line differs subject to manu facturer H Suction line or return line differs subject to manu facturer K Solenoid va...

Page 23: ...S Fan motor T Fan casing U Impeller V Inlet air silencer W Air regulating valve X Blast tube connection Y Flame tube a Mixing device b Oil burner nozzle c Ignition electrodes d Ignition cable e Flange...

Page 24: ...Burner motor F Service switch burner stage 2 G Flame monitor H Electronic ignition K Fuel valve BV1 L Fuel valve BV2 M Servomotor for rotary damper Colour coding to DIN IEC 60757 BK Black BK Black wir...

Page 25: ...enance Stage 2 actual after maintenance Carbon dioxide content CO2 Stage 1 actual by vol set by vol Stage 2 actual by vol set by vol Oxygen content O2 Stage 1 actual by vol set by vol Stage 2 actual b...

Page 26: ...stration no Applied for Voltage V 230 Frequency Hz 50 Power consumption W Stage 1 585 Stage 2 616 Motor speed rpm 2800 Version 2 stage Oil pump rate l h 70 Connections Suction and return line on the s...

Page 27: ...30 Inlet air aperture setting 5 5 5 Static burner pressure 4 Stage 1 mbar 12 0 15 5 15 5 Stage 2 mbar 22 5 25 5 22 5 2 Due to nozzle tolerances and varying oil characteristics the oil pressure may var...

Page 28: ...of odour development during tank filling Please note Fuel oil additives can create residues and impair the safe operation of your heating system The use of fuel oil additives that leave residues is no...

Page 29: ...lts with flash code indication 19 Faults without flash code indication 20 F Flame monitor Installation and adjustment 11 Flame monitor cleaning and testing 11 Flame monitor safety check 11 Flash code...

Page 30: ...30 5834343...

Page 31: ...31 5834343...

Page 32: ...Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com...