See “Long Burn Times” above
FAQ
My burn times are running long (longer than 75 minutes)
Check the most recent lift test; if it is lower than -3 (say, -2.5), clean the top of the unit to see if the situation improves Check to see if the ceramic tubes are touching the sides. When they rub,...
My results are not what I expected
Check the most recent scale calibration. If it has been longer than a year, get it recalibrated Check the most recent lift test; if it is lower than -3 (say, -2.5), clean the top of the unit to see if...
How do I/How often should I run a lift test?
A lift test is performed when you turn the furnace on for the first time in the morning. It should be at room temperature. Once the scale countdown is finished, and the chamber is empty, hit start. The green display...
How do I clean the NCAT furnace?
Remove the exhaust, the top cover(s), and use a shop-vac to clean the soot and residue. Use the vacuum to clean the blower fan as well. Once the cleaning is complete, set the filter to 900 degrees, and the chamber...