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Jet size/type for Riello 40 and Firebird Super-Q?

  • 10-10-2014 08:48AM
    #1
    Irlanski
    Registered Users, Registered Users 2 Posts: 28 ✭


    Hi All,

    We have approx 23 year old Firebird 50/90 Super-Q indoor oil boiler running on Kerosene. The burner itself is a Riello 40 G3B.

    I'm not sure that the correct jet is fitted for this boiler / burner combination and have trolled the net for a table or chart to tell me specifically which jet type should be installed. I'd like the output to be towards the 90,000 BTU/Hr range.

    Any help would really be appreciated :)


Comments

  • #2
    shane 007
    Closed Accounts Posts: 914 ✭✭✭shane 007


    It's not just a matter of slapping in the correct nozzle for the burner. You will also need the correct fuel pump pressure setting (set with an oil pump gauge), but more importantly you will need to set up the correct fuel to air ratio to enable complete and safe combustion.
    This can only be achieved safely with the use of a flue gas analyiser and the correct knowledge on how to use one. If the ratio is incorrect, extremely high amounts of carbon monoxide CO can be produced without any sight of sooting.

    It is best to obtain the services of an OFTEC certified technician to do this for you. See www.oftec.org for one for your local area.


  • #3
    Irlanski
    Registered Users, Registered Users 2 Posts: 28 ✭Irlanski


    Thanks Shane 007 and appreciate your concern. I understand the need to set the correct pressure and have the equipment to do this but first I need to get the correct jet.

    Appreciate any help...


  • #4
    shane 007
    Closed Accounts Posts: 914 ✭✭✭shane 007


    Irlanski wrote: »
    Thanks Shane 007 and appreciate your concern. I understand the need to set the correct pressure and have the equipment to do this but first I need to get the correct jet.

    Appreciate any help...

    I hear you, but again there are parameters that must be followed, especially if you are range rating the boiler output to a higher end.
    For the SuperQ, when changing from 80k to 90k the spray angle changes from H to S. The pump pressure also changes. You will also need to ensure you have a T3 head installed as lower outputs require a T1 burner tube.

    All of these changes MUST be set up with a FGA, otherwise you maybe putting the householders at risk. As the SuperQ is an indoor model boiler, I would also highly recommend you install a CO alarm within the vicinity of the appliance.
    Do you have the correct equipment and knowledge to use said equipment?


  • #5
    scudo2
    Closed Accounts Posts: 2,008 ✭✭✭scudo2


    Irlanski wrote: »
    Hi All,

    We have approx 23 year old Firebird 50/90 Super-Q indoor oil boiler running on Kerosene. The burner itself is a Riello 40 G3B.

    I'm not sure that the correct jet is fitted for this boiler / burner combination and have trolled the net for a table or chart to tell me specifically which jet type should be installed. I'd like the output to be towards the 90,000 BTU/Hr range.

    Any help would really be appreciated :)


    Replace boiler and save 35% on fuel with a condensing boiler.
    Espicaly if boiler output is max requirement output.


  • #6
    Irlanski
    Registered Users, Registered Users 2 Posts: 28 ✭Irlanski


    shane 007 wrote: »
    I hear you, but again there are parameters that must be followed, especially if you are range rating the boiler output to a higher end.
    For the SuperQ, when changing from 80k to 90k the spray angle changes from H to S. The pump pressure also changes. You will also need to ensure you have a T3 head installed as lower outputs require a T1 burner tube.

    All of these changes MUST be set up with a FGA, otherwise you maybe putting the householders at risk. As the SuperQ is an indoor model boiler, I would also highly recommend you install a CO alarm within the vicinity of the appliance.
    Do you have the correct equipment and knowledge to use said equipment?

    Thanks shane 007,
    If I can get the data table detailing the parameters required for the various btu ranges then I don't see any difficulty in setting it up - you've detailed some of these parameters/btu range in your post. This was my original question to get this information.

    I do have a gauge for pressure testing and I understand the implications of boiler efficiency and more importantly as you have already pointed out the CO2 implications if not set correctly. I don't own a FGA but I have access to one. Its the data table that I need in order to ensure it is done correctly.

    Thanks for your help again...


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