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Oil pump pressure setting
Ok, the scenario:
My central heating oil burner oil pump is leaking - not a huge amount, but it needs replacing. This I can do for a cool £40-ish, but the pump pressure needs to be set after it is installed. The pump pressure depends on the oil burner nozzle size. The nozzle size depends on how the burner was set up to heat my house. Now, according to the bumf that came with the house when I bought it, there should be a sticker on the burner saying exactly what the nozzle size, pump pressure and air settings should be. Surprise, surprise - there isn't. I have taken the nozzle out and checked what size it is - the information on it is repeated below, but I don't trurst it 100% because since my boiler was last serviced it has used an appreciably greater amount of fuel than usual over a ten month period. My question is, therefore, how can I, from first principles, work out what the nozzle size and oil pressure should be for my burner, starting from nothing? I have asked a couple of burner spares dealers but their general approach is "Oooh, I couldn't possibly tell you without knowing how your system was set up". I fail to believe that comissioning a central heating boiler is such rocket science that if the details aren't recoded on a special little sticker then its lost forever and too hard to re-calculate. Can anyone help? Burner and nozzle details follow: BURNER: MONOFLAME MADE IN ITALY BY ECOFLAM MINOR 1 BETA 1 240V 50HZ COD 55.01.01/37 D.TERM MIN 20,00 MAX 29,60KW MIN 1,70 MAX 2,50 KG/H LIGHT OIL MAX VISC @20'C 6MM2/S 1.50'E VAC 240 50HZ SERIAL NO 96000031027 12/96 NOZZLE: KG/H = 1.50 80'EH 0.5 6ZZ |
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