Triangle Tube Strange Problem

Rich Davis_2

Fall servicing a TT PS 60, it wouldn't lite. Checked ignitor (new last year) along with the ignition wire, everything OK. Checked spark with a spark plug tester, great spark. By accident I restricted the air flow into the venturi and it lit. Thought that was odd. Checked propane press. 9"WC. Checked combustion the best I could get was CO2 was 10.1% and O2 3.1%, adjusting the screw didn't make big changes. I also checked the vent and air supply both clean. I can get it to operate normally if I put some tape over the intake tube to the venturi to partly block the air but, that ain't right. Any suggestions would be greatly appreciated. Thanks

Alan (California Radiant) Forbes

It still sounds like a fuel/air mix problem.

Call tech. support at (856)228-8881.

mattmia2

is there a check for combustion check at some other speed, like you set it at low speed but also has a spec for high speed or something like that?

An air leak or a bad valve will cause it to be correct under the condition that you set it but incorrect at any other operating point.

Zman

I would suspect an issue with the venturi or burner. At O2 of 3.1% you are a little rich. Why it would ignite when you make it richer is a head scratcher.
This is a good question for tech support.

ednelson7373

my name is Ed Nelson I am in tech support at triangle tube
did you check the venturi and the pressure drop in fuel pressure at the point of ignition you shouldn't see more than a 1" drop
if we can be of service please call us at 856 228 8881
Monday - Thursday 8- 5 eastern time
Friday 8- 4:30
hope this helps
Ed