Englander 10-CPM control settings

Indiana · Feb 14, 2012

After a very frustrating few weeks of dirty burns, burn pot filling in 6 hours,and multiple full cleanings, I have come to the conclusion that bad pellets are to blame. Part of the problem is that in heat settings 1 or 2 everything is fine. When more heat is needed and I raise the fuel feed to 4 plus, within 6 hours the burn pot fills up. I have increased the low burn air from the factory setting of 3 to 4 and 5 with no success. As the burn pot becomes full, I hold the air on temp button to rotate the stirrer until the ash is pushed through the burnpot and the fresh pellets are ignited. This process goes on every few hours.

I changed the lower button settings to 3-4-3. The first button increases fuel feed, the second increases the amount of air, and the last increases the cadence of the stirrer. This last change has been the difference. This setting doesnot allow the burnpot to fill and keeps the ash buildup to nil. On the current settings of 3-4-3 and heat setting of 4 and fan at 7, I am getting 650 degree temperature readings from the burnpot and 390degreesfrom degrees from the air grill. I hope this helps any other englander owners.

jrsdws · Feb 14, 2012

What were your lower button settings before changing to 3-4-3?

Indiana · Feb 14, 2012

1-3-1 or 1-4-1.

jrsdws · Feb 14, 2012

Thanks for the info. I'm not using mine yet, but it seems most likely it was a lack of air thing?

imacman · Feb 14, 2012

Indy3 said:
.....This last change has been the difference. This setting doesnot allow the burnpot to fill and keeps the ash buildup to nil.....

There is more to fixing this problem than just increasing the amount of time the stirrer moves. If you wanted to do that, you could have just changed the stove to corn mode and the stirrer moves about 1/2" on each pellet drop.

IMO, there is an airflow problem through the stove. I run mine on 1-4-1 during the shoulder seasons, and have NEVER had a pellet build-up in the pot....and I burned some pretty poor pellets (Currans hardwood). Since the weather got cold, I have changed my settings to 3-4-1, and during the really cold 4-5-1. The stove burns fantastic.....no pellet build-up.

Here's a pic I just took....please note that the glass is a little cloudy.....the stove was cleaned last Friday and has run 24/7 since w/o opening the door.

Oh, and the setting is 5-7, and lower buttons are still at 4-5-1.

DexterDay · Feb 14, 2012

I was hoping that termination cap cleared things up?? Guess not..

Having replaced all gaskets and checking and cleaning everything. I would look at how tight the burn pot sits inside the receptacle. Any leak, is a bad leak. Blow-by beside the burn pot edge/ledge is just as bad as a worn door gasket.

Have you oiled the combustion blower lately? I know you removed it and cleaned it? But oil helps the bearings and keeps the motor at the RPM's that its supposed to be at.

Really hope you get it figured. Hate to hear about a bad burning CPM???????

Indiana · Feb 14, 2012

I wouldn't trade this stove for anything. Imacman, I tend to agree with you, but I can't find an air leak, or dirty spot. My bud has a leaf blower and portable air compressor. We are going to try that soon.

stoveguy2esw · Feb 14, 2012

if you have not done so yet try this...

remove the pot, the brick panel and the 2 small plates above the sliding plates in the floor of the stove , vacuum out the areas behind the plates. then, take a mallet and kinds bing around on the back wall of the stove above the two openings at the bottom to help vibrate loose any ash accumulation that may be clinging in the upper regions of the heat exchange areas, this should cause it to fall into the openings below. vacuum out again and reasemble the stove and retry it.

NOS Valves · Feb 14, 2012

I have a 10-CDV which is a different older version of your stove so the settings could be wrong for the CPM model. With the CDV model the factory tech told me the bottom 3 for Corn is 1-2-1 and wood 5-9-1... When burning low quality pellets I end up at 5-6/7-1. I've had a same problem in the past with heat ratings above 4 or 5 filling the pot with ash when using low quality pellets. If you have a source for properly dried Corn I'd suggest trying to mix in about 20% corn I bet you will be shocked at how much more heat you get and the improved overall burn.

mithesaint · Feb 14, 2012

390 from the air grill??? Is this what everyone else is getting? The best I've ever gotten from my stove was 250 with Somersets. I used a meat thermometer stuck into the air grates while on 8-9 with the lower buttons at 3-5-1. Most of the time I'm getting around 200 degrees, depending on the pellet.

Indiana · Feb 15, 2012

stoveguy2esw said:
if you have not done so yet try this...

remove the pot, the brick panel and the 2 small plates above the sliding plates in the floor of the stove , vacuum out the areas behind the plates. then, take a mallet and kinds bing around on the back wall of the stove above the two openings at the bottom to help vibrate loose any ash accumulation that may be clinging in the upper regions of the heat exchange areas, this should cause it to fall into the openings below. vacuum out again and reasemble the stove and retry it.

Mike,
I did that 2 times in 2 weeks. The first time was pretty amazed at the amout of ash can be "bangged" loose. I removed the cradle and anything that had a screw holding it down.. spent the better part of two hours cleanning. This did help but didn't clear up the burnpot filling up over the heat settings of 4 or 5. The only thing I haven't done is the leaf blower cleaning. I've backed her down to 1-3-3 and we'll have to see if this works out. I'll try this with my nieghbor on the next warmer day.

nhredbird · Feb 16, 2012

I didn't know you could change the last number for the stirer.
I,ve been burning Green Supremes, which leave a spongee clinker in the burn pot.
I increased the lower settings from 3-5-1 to 3-5-2 made a big differance.
Brakes them up sooner for a hotter & cleaner burn.
Its been warm as we all know, so only going as high as 5-7 at night.
But this is the 2nd day on these settings and seems to make a differance.
Thanks for the info.

ghandy131 · Dec 20, 2012

Found this thread 3 days ago. Been fighting with my Green Supremes for a month. Cleaned, dollar bill, tapped, vacuumed, brushed, changed bottom settings to 1-4-1, 1-5-1, 1-6-1, 2-5-1, and many other permutations without changing the mysterious "third button". Well raised it to 2 - Hmmmm much better. Set it at three yesterday and no more clinkers, no more pellet build up, no more ash build up, no more scraping out the pot with my small pry bar and welding gloves, just GREAT fire, very good heat and no more opening the front door 2 or 3 times a day. 5 bags of GS thru now and settings at 1-4-3 with a 8-9 feed fan speed. Just increasing the stirer speed seems to have cured all problems for these pellets. Perhaps this may be the secret for lower quality pellets. Can't see what harm will be done but if anyone knows please let me know. I find it just incredible this little tweek changed everything.

alltherage · Dec 20, 2012

thanks for posting...i'm going to try this too....i get around 200 tops at the air grill

imacman · Dec 20, 2012

ghandy131 said:
......the mysterious "third button". Well raised it to 2 - Hmmmm much better. Set it at three yesterday and no more clinkers, no more pellet build up, no more ash build up, no more scraping out the pot with my small pry bar and welding gloves, just GREAT fire, very good heat and no more opening the front door 2 or 3 times a day. 5 bags of GS thru now and settings at 1-4-3 with a 8-9 feed fan speed. Just increasing the stirer speed seems to have cured all problems for these pellets. Perhaps this may be the secret for lower quality pellets......

Just for the record, I have NEVER raised the Air On Temp above the factory "1", and I run the stove for up to 2 weeks at a time w/o ever opening the door. Current settings are 3-5-1 burning Greene Teams.

IMO, try a different (better) pellet than the barely-mediocre GS....

ghandy131 · Dec 21, 2012

imacman said:
Just for the record, I have NEVER raised the Air On Temp above the factory "1", and I run the stove for up to 2 weeks at a time w/o ever opening the door. Current settings are 3-5-1 burning Greene Teams.

IMO, try a different (better) pellet than the barely-mediocre GS....

I had tried several bags of my Turmans with not much better results prior to changing the AOT. Day 4 now and still burning great with these $200/ton pellets allowing me to hold on to the $290/ton Turmans till it gets cold. Perhaps turning the longer more inferior pellets over more frequently exposes more surface for the burn allowing a more complete and faster burn. Don't really know but I just can't believe the difference.

Indiana · Dec 21, 2012

3 seasons ago i used stove chow and pres to logs on the 1-3-1 or 1-4-1 settings with great success. this year i returned to stove chow and have been having the same issue with the large spongee clinkers. i reverted back to 1-2-3 and presto, perfect burn and hot.

ghandy131 · Dec 21, 2012

Indiana, any idea why this works so well when all else failed to render any significant improvement? I've had the same success with the green supremes at 1-4-3. Haven't tried droping the air yet, just been admiring the burn. I'll drop the air tomorrow to 3 and see how it works. Baby steps.

SmokeyTheBear · Dec 21, 2012

Well lets see if I can shed some light on that AOT, controls the stirrer on that unit correct?

It will break up the any ash clumps more frequently than x-y-1 would that allows more air to get to the unburned pellets to burn them while also removing more ash per unit of time.

Now why is there more ash you ask well ash amounts vary from pellet batch to pellet batch and from one makers pellet to another makers pellet.

Ash removal on a drop feeder (huffer/puffer ash removal) system depends upon the air flow through the system.

The air flow through the system depends upon the combustion air setting and how clean the stoves combustion air path is.

If you can't remove the ash it builds up, and then heads for clinker time.

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