I have been running my Harman XXV in room temp mode over night. I have set the feed to 3 and the temperature to 70 degrees. I am not sure how many times the stove would cycle on and off over the course of a night, but would guess around 5 times. The pellets that I am burning build up ash in the burn pot that seems to delay or impede the ability of the igniter to light the pellets. This delay has resulted in excessive pellets in the burn pot at ignition. Also, I have noticed that partially burned and unburned pellets are prematurely pushed into the ash pan. Is this common? I estimate that I am getting 4 tablespoons of ash over the course of a day in the burn pot. I have been scraping the burn pot daily. I am burning Greene Team hardwood pellets. My concern, aside from wasting good pellets, is that the stove may build up and then ignite a large quantity of unburned pellets in the ash pan. I would think the stove would be designed to handle this, but I am not sure. I am new to this, and am interested to see if anyone else has experienced the same issue.
HARMAN XXV IN ROOM TEMP MODE
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I have been starting mine in automatic, then after the fire starts good, I flip the switch to manual, so the flame goes down real low, but not out, and then builds up when it calls for more heat. I was told this was more efficent and I would think a whole lot easier on the igniter.
You should not get unburnt pellets falling into the ash pan, you may want to call the dealer and ask them about it. Sounds like you may have a draft problem.
Mike J said:
Make sure the air holes in the burn pot are clean. Sometimes scraping is not enough. The last set of airholes (closest to auger) are the most important for the ignitor. Also make sure the ignitor itself is clean. Open the cleanout door on front of burnpot, using fingers only, rake out the ash and tap the ignitor a couple of times to get any ash out from in between the vanes.
i do belive that if you put the "auto/manual" switch for the ignitor into the manual mode it will also turn off the distribution blower and put the stove into a sort of "esthetic" mode. The blower will come on to prevent the stove from over-heating. Call the shop where you got the machine and get the technical dept there. I'm not sure about all the stoves but some of the Harmans can be adjusted to reduce the amount of pellets that are fed into the burnpot on startup.
kyburnr said:
I have an XXV as well. Not sure I understand this...so if I switch it to manual after the fire is started and in room temp mode, the flame will not go out? So the flame will stay on until the stove is turned off or runs out of pellets? If this is correct, it would definitely be more efficient as starting the stove from cold is very inefficient. I've been running mine on stove temp and turning it down to 1 at night so house doesn't get too cold but don't burn too many pellets.
yes it will stay on till it runs out of pellets, but low flames will tend to lead to more clinkers.WarmInNH said:
When it got cold my stove never wen't out and I left it in auto.
Delta-T said:
Only the PF100 has provisions on the circuit board to adjust the amount of time the feed motor runs on start up (initial feed only). However, the self igniting pellet stoves all use a common circuit board (the PF100, PB105 and P38 all have their own circuit boards). It has dip switches to set the board for the specific stove it is installed into. Maybe the OP's stove is set for P68 or P61a insead of XXV.
"esthetic " fire is stove temp mode low, ignitor on manual.
With stove in "room temp" and ignitor on manual, once the stove is lit it will not shut off unless it is turned off manually or it runs out of pellets, the lowest it will burn is .75lbs/hr also called "maintainence burn". Other than not shutting down (or self igniting), it runs the same as in "Auto"
Thanks all, I cleaned out the burnpot and the igniter area and it seems to light much quicker. A friend of mine, that also has a Harman, thought that the stove produces more ash when it is run on room temp mode and cycles on and off. Maybe that explains why I was getting more Ash?
i have the xxv and run it in auto works great no problems with pellets not being burned.
had the stove 1 year and love it but my ignitor just had to be replaced no cost under warranty 3 years.
might as well burn them up now. to bad they dont last longer.
had the stove 1 year and love it but my ignitor just had to be replaced no cost under warranty 3 years.
might as well burn them up now. to bad they dont last longer.
misty said:
They do last longer. Harman had a huge batch of bad ignitors last year. Bad enough that we were authorized to replace all the ignitors in our stoves in the warehouse before they were installed.
Parrot Head said:
I bought a harman XXV last year. other than my igniter not working, is there any way to tell if my ignitor was part of the bad batch?
The dealers were provided with a range of serial numbers for the effected units. Check with your dealer to see if yours is effected. The dealer may no longer have the list though, I don't have mine. Once we fixed the stoves in inventory, we filed the list. But it seems as though the effected ignitors failed pretty early, so if yours hasn't yet, it is probably OK.
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