oil boiler

[AlanE]

Boilerman2
PostPosted: Mon Aug 03, 2009 8:01 pm Post Subject:
Oh! forgot to mention, have you repalced the Oil Nozzle with one of the Correct Capacity, Spray angle and Spray type? if the Nozzle is worn you will never be able to set the Burner up icon_redface.gif

yes nozzle is changed its a 0.50usgh 80S. and there is no stadilizer and CO2 was reading in around 9

Where ever did you get this nozzle spec from?

Firebird manual, and it contains burner details, says for 90,000 boilers Nozzle 0.65 80 degree SOLID @ 9.5Bar, Air 3.4 - 4, CO2 11.5, Fg 190 (Air 4) - 210 (Air 3.4), Smoke 0 - 1.

One thing is certain you can't just fit any old nozzle and expect FGA readings to be correct

 

[Boilerman2]

Without the Boiler manual I had to use info from my 35 years experience, which if you look at it is a lot nearer the mark than the OP's selection.

It's clear that he has got an underfired boiler so there it is ,he also seems to have an unhealthy obsession with excess air, when he should be more concerned with Co2, O2 CO Flue gas temp Smoke & Net Efficiency