I was getting used to running my vermont castings dauntless stove without a catalyst, but I wanted longer burn times at lower temps so I just installed a new catalyst. I do have an auber thermometer with the stove top magnetic attachment, so I am watching numbers in real time.
After 3 or 4 days of running it i have been running into the same issue after almost everytime I fully load the stove for a long or overnight burn.
I load the wood, on a hot bed of coals, trying to have the STT reading at least 300, and the catalyst probe still in the operating range, or at least close. I will let these logs catch fire for a while, usually 30-45 and get the stove top temp up top 450-500. Then I will close the bypass and start notching the air control back a couple clicks every 5-10 minutes until its about 1/2 to 3/4 of the way closed for the overnight burn ( sometimes I will start right after the bypass closes with it 1-2 notches closed if its already running hot).
I will watch the temps start to stabilize, drop down to 350-400 degrees stt, and the cat probe reading middle to middle high of operating range.
Here is where i get confused. I check outside and i still see some smoke coming out, and I get a bit of a smoldery smell in the house, but no visible smoke coming from anything around the stove that I can find. After about an hour of the temps holding steady around 350-400 it starts to gradually climb up. The cat reading will start to move above the operating zone and stt is swiftly rising above 500.
The only remedy for this seems to be opening the bypass for a couple minutes. Watch the stt rise a bit, then close it and then I will see the temps gradually drop and hold steady from there.
I am trying to figure out what i can do differently operationally so that I can avoid this second step of opening bypass partway through every time.
After 3 or 4 days of running it i have been running into the same issue after almost everytime I fully load the stove for a long or overnight burn.
I load the wood, on a hot bed of coals, trying to have the STT reading at least 300, and the catalyst probe still in the operating range, or at least close. I will let these logs catch fire for a while, usually 30-45 and get the stove top temp up top 450-500. Then I will close the bypass and start notching the air control back a couple clicks every 5-10 minutes until its about 1/2 to 3/4 of the way closed for the overnight burn ( sometimes I will start right after the bypass closes with it 1-2 notches closed if its already running hot).
I will watch the temps start to stabilize, drop down to 350-400 degrees stt, and the cat probe reading middle to middle high of operating range.
Here is where i get confused. I check outside and i still see some smoke coming out, and I get a bit of a smoldery smell in the house, but no visible smoke coming from anything around the stove that I can find. After about an hour of the temps holding steady around 350-400 it starts to gradually climb up. The cat reading will start to move above the operating zone and stt is swiftly rising above 500.
The only remedy for this seems to be opening the bypass for a couple minutes. Watch the stt rise a bit, then close it and then I will see the temps gradually drop and hold steady from there.
I am trying to figure out what i can do differently operationally so that I can avoid this second step of opening bypass partway through every time.
