Hi,
Here's my problem, and I would love to hear from anyone who is getting close to 68000 btus out of their p68: I installed a p68 this Fall, and in the highest settings--stove temp 6, feed rate 7, distribution blower all the way high-- I burn a little more than 3 bags/day. This is true of the $5/bag pellets that the stove dealer sells and the $4/bag pellets from home depot.
If the pellets are about 8500 btus/lb and I burn 3 bags/day or 120 lbs/day, I burn 5lbs/hr so I'm inputting about 42500 btu's. This is at the max settings, so clearly I'm not getting anything like 68,000 btu's out.
I've spoken with the dealer and with Harman, and although draft test pinned when it was installed, both the dealer and Harman have said that my exhaust set up has some restrictions in it so the ESP won’t allow the stove to run hotter.
I kind of believed it until this week when temperatures got to minus 10 and I used an online engineering calculator to figure out that the pressure in my flue was twice what it is when the outside temperature is 30 degrees. I'm still only able to burn the same three bags/day even though it's much colder outside and the natural draft is twice as strong.
So I am suspicious of the 68000 btu rating or of the 8lbs/hr burn rating and so I really wonder if anyone is able to burn more than 3 bags/day with their p68? I figure that if you could run the stove at 8lb/s hr, which the manual says is possible and the pellets were 9500btu's/lb and the stove really is 89% efficient then you might get to that 68000, so it's pretty pie in the sky, but my 5lbs/hr regardless of ambient temperature, is so far from that number that I really wonder.
Please let me know and thank you in advance.
Jared from western NY
Here's my problem, and I would love to hear from anyone who is getting close to 68000 btus out of their p68: I installed a p68 this Fall, and in the highest settings--stove temp 6, feed rate 7, distribution blower all the way high-- I burn a little more than 3 bags/day. This is true of the $5/bag pellets that the stove dealer sells and the $4/bag pellets from home depot.
If the pellets are about 8500 btus/lb and I burn 3 bags/day or 120 lbs/day, I burn 5lbs/hr so I'm inputting about 42500 btu's. This is at the max settings, so clearly I'm not getting anything like 68,000 btu's out.
I've spoken with the dealer and with Harman, and although draft test pinned when it was installed, both the dealer and Harman have said that my exhaust set up has some restrictions in it so the ESP won’t allow the stove to run hotter.
I kind of believed it until this week when temperatures got to minus 10 and I used an online engineering calculator to figure out that the pressure in my flue was twice what it is when the outside temperature is 30 degrees. I'm still only able to burn the same three bags/day even though it's much colder outside and the natural draft is twice as strong.
So I am suspicious of the 68000 btu rating or of the 8lbs/hr burn rating and so I really wonder if anyone is able to burn more than 3 bags/day with their p68? I figure that if you could run the stove at 8lb/s hr, which the manual says is possible and the pellets were 9500btu's/lb and the stove really is 89% efficient then you might get to that 68000, so it's pretty pie in the sky, but my 5lbs/hr regardless of ambient temperature, is so far from that number that I really wonder.
Please let me know and thank you in advance.
Jared from western NY
