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Lake Girl
Moderator
Welcome to the forum ... can't help you with the specifics on that stove and it is not mentioned in the manual. The manual does mention increasing the draft for the higher heat rates though... Hopefully someone with a Breckwell will have a better answer for you.
Thank you for the welcome. There is a slide gate that is manually opened at higher feed rates to allow more air to be sucked in. Unfortuanetly there doesn't seem to be enough suck available to increase the air flow. I can't believe the suck is being lost to the door seal or blockages in the passage ways. The passages are clean plus I temperairly left a cleaning door open as a test to bypass the passages which didn't increase air flow. The combustion blower appears to run very fast and quiet on a bench. Seems to run the same speed connected to the stove. I don't believe for a second that it is variable speed. Got that from Breckwell but they also told me having a class a chimney size was my problem and it needed to be reduced down in size for the stove to operate properly. This started abruptly. When the weather improves I'll brush the stack and verify the cap doesn't have any problems. We had a power outage this evening the natural draft of the stack seemed to allow the burn pot to burn down ok. Bewildered at the moment. Again, thank you for the welcome.
Lake Girl
Moderator
Leaving a cleaning door open should, in theory, produce a lazy flame due to diversion of airflow from intended path.
Did you have surge protection on the stove? What change in burn has occurred since the power outage? What diameter and how tall is the class a chimney? Warmer weather conditions creating draft issues?
Long story short the stove is working ok now. The only thing I can figure out at this point in time there was a high resistance electrical connection to the convection blower or a plugged cap that the storm cleared immediately before the power outage. The pellets burned just as well with no combustion fan running. May I talk with you privately about leaving the cleaning door open. Again thank you for your time.
Many stoves have a phase controller in the control board that will adjust the fan speed when the feed rate is raised or lowered.
If you want to know for sure, use a VOM and measure the voltage at the draft fan plug with it running and move the heat selector through the various ranges.
The voltage will likely raise with a higher setting.
If you voltage is at or near line voltage no matter, then the fan is a fixed speed.
If you are having air flow issues then you may need to do the leaf blower trick and suck the stove out really good.
Many stoves are hard to get all the ash out of.
Good luck
If you want to know for sure, use a VOM and measure the voltage at the draft fan plug with it running and move the heat selector through the various ranges.
The voltage will likely raise with a higher setting.
If you voltage is at or near line voltage no matter, then the fan is a fixed speed.
If you are having air flow issues then you may need to do the leaf blower trick and suck the stove out really good.
Many stoves are hard to get all the ash out of.
Good luck
I appreciate the responses. The stove continues to work properly. Last year I did get #2 flashing failures, but it to was not due to poor cleaning of the convection gas passes but corrosion on the silver spade of the air switch. The copper spade was not corroded. Again thanks for the comments.
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