Just playing around, really.
I've a Thorn Panda 55 boiler, rated at 19kW. I have 2 identical PL1 burners, both have new pumps (BFP 21 L3) and nozzles (Danfoss .60 80 deg H).
Pressure is set at 120 psi.
I took out the original burner for a check and clean today and rather than freeze popped in the spare.
On the replacement burner, I couldn't bring the CO2 down less than 11.4% - I believe the correct setting is 10.5%. Even with the air door way past its markings, it didn't want to play. Even fiddling with the pump pressure made little if any difference.
Back in with the original burner and I'm spot on at 10.5% - air door mid way.
Whats happening here, please? Am I dealing with one motor slower than the other, perhaps?
Looking forward to any theories!
John
I've a Thorn Panda 55 boiler, rated at 19kW. I have 2 identical PL1 burners, both have new pumps (BFP 21 L3) and nozzles (Danfoss .60 80 deg H).
Pressure is set at 120 psi.
I took out the original burner for a check and clean today and rather than freeze popped in the spare.
On the replacement burner, I couldn't bring the CO2 down less than 11.4% - I believe the correct setting is 10.5%. Even with the air door way past its markings, it didn't want to play. Even fiddling with the pump pressure made little if any difference.
Back in with the original burner and I'm spot on at 10.5% - air door mid way.
Whats happening here, please? Am I dealing with one motor slower than the other, perhaps?
Looking forward to any theories!
John