Installing My AK110

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heatwithcoal
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Hot Air Coal Stoker Furnace: AK-110
Stove/Furnace Make: Leisure Line
Stove/Furnace Model: AK-110
Location: Western Massachusetts

Post Tue. Apr. 09, 2013 9:29 pm

Took delivery a few weeks ago and have been tripping through the experience of installing the AK110. Prior to this I heated the house with a magnum and econo stoker.Thought I would share a few photos. I have a 1650 sqft raised ranch with semi insulated 1350 sqft basement that I plan on heating only to take the cold off. Thanks to Matt and Dave for their immediate response to my cries for help, whether it is through this forum or calling them directly. I was originally going to tie the furnace into my a/c heat pump ductwork in the attic but decided to run separate ductwork for the furnace through the basement in a traditional way. It seemed to be a pretty-straight install of ductwork. Once I got into it and thinking it through, there is a lot more involved in both design and the cost. Anyways, I am committed now and will complete the install this spring.
I did run the furnace with 25' of 14" round trunk un-insulated duct and got close to 130 deg at the end of the 25'. Good, bad? not sure yet. Tomorrow I will order the return air supply rectangular duct package from local shop then the branches.
Please feel free to comment or criticize.
Attachments
ak110-1.jpg
20130331_134053.jpg
20130406_134414.jpg
20130405_205332.jpg
20130409_212557.jpg


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tsb
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Post Tue. Apr. 09, 2013 9:33 pm

I think your going to be in your underwear most of next winter.

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Lightning
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Post Wed. Apr. 10, 2013 10:01 am

130 degrees in the warm air duct is great! Mine normally runs 110-115 under normal heating conditions. But I've had it up to 148 degrees just to see what she could do lol.

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Flyer5
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Post Wed. Apr. 10, 2013 10:42 am

Looks nice. You are well on your way. Next time you do a temp test on the duct work also notice the stack temp. That is the impressive part. These things really wash the heat out of the fire. :D

coalnewbie
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Hot Air Coal Stoker Stove: LL AnthraKing 180K, Pocono110K,KStokr 90K, DVC
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Coal Size/Type: Rice,
Other Heating: Heating Oil CH, Toyotomi OM 22
Location: Chester, NY

Post Wed. Apr. 10, 2013 11:17 am

Gone through 3 winters with mine and I love it. Just a thought on the return air, I place a 20x20 Ultra Filtrete 1900 (or even now a 2200) in the line and also have an Aprilaire prefilter. I love my air super clean. The use of a 14" line will keep the noise down, I hardly hear mine. Your ducting is much more professional than mine and I love the photo.

Gotchas, keep the lower exhaust cleaned out. Ash accumulates there quickly and reduces air flow so use low ash coal. I put a tee piece there in the exhaust at the stove exit point and the 6" end cap is not even sealed or even screwed in place. I simply remove it and vacuum it out (baro covered up with a damp facecloth and powervent on full with the stove still on). Small leaks? sure, but I keep an eye on my Dwyer and that controls my life. I fact I don't even seal the whole exhaust stack (duck - incoming) but clean it out monthly and leak blower suck out the powervent (thx sting) with the stove still on low. Don't try that at home, it's for idiots only and it is within three feet of a 5' door that is open for this operation.

The design is super efficient as a result of the tubes and I like to run a brush over them (quickly so you don't wreck the brush - 10 second operation that's 5 secs per side every few days) every few days to remove ash from the top this helps heat transfer (I think). Keep those fins clean on the combustion squirrel cage air fan as that reduces airflow too. I use rice but am thinking of buck - anybody any thoughts? So would I buy another - in a heartbeat. It has already paid for itself in saved HO - all gravy from here on out and I control the upstairs rooms to within a degree or two without plumbed cold air return but that takes practice and your mileage may vary - thx Dave. All this and I did not buy a Peruvian copper mine (incoming again).

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heatwithcoal
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Hot Air Coal Stoker Furnace: AK-110
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Location: Western Massachusetts

Post Mon. Apr. 29, 2013 11:23 am

I am in the middle of installing the return air (10x18 horizontal into 10x24 vertical joining the air box. I have the 3 bedrooms tied back to the plenum and getting 100+ at registers (good? bad? Guess I will find out next winter) . Each register is producing about 500 fpm with the main 14" diameter trunk choked down a little b/c there is nothing tied in at the end of the trunk yet for the living area.
ductwork042313.jpg
return air 42913.jpg
register.jpg
Mark

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Flyer5
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Post Mon. Apr. 29, 2013 6:36 pm

heatwithcoal wrote:I am in the middle of installing the return air (10x18 horizontal into 10x24 vertical joining the air box. I have the 3 bedrooms tied back to the plenum and getting 100+ at registers (good? bad? Guess I will find out next winter) . Each register is producing about 500 fpm with the main 14" diameter trunk choked down a little b/c there is nothing tied in at the end of the trunk yet for the living area.
ductwork042313.jpg
return air 42913.jpg
register.jpg
Mark
You look like you are well on your way. You will rarely see max capacity out of that unit anyway. With the coaltrol I will bet your fan most of the time will be about 1/2 maybe a little faster but not much. Dave

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heatwithcoal
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Hot Air Coal Stoker Furnace: AK-110
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Location: Western Massachusetts

Post Tue. Apr. 30, 2013 8:28 am

Dave,

Is your concern that that 10x18 will not provide enough return air?

My thought on the return is that the 10x18" will return 1000cfm from the living area. The 10x24" vertical, which is capable of carrying 1600 cfm, will take the 1000 cfm from the 10x18" from living area, and I plan on returning air from the 3 bedrooms (about 500 cfm total) by tapping directly into the 10x24". So a total of 1500 cfm is returning to the blower. To your point, the blower will probably not hit the 1800cfm that it is capable of producing.

Does this theory make sense on a very basic level?

Mark


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Flyer5
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Post Tue. Apr. 30, 2013 10:29 am

heatwithcoal wrote:Dave,

Is your concern that that 10x18 will not provide enough return air?

My thought on the return is that the 10x18" will return 1000cfm from the living area. The 10x24" vertical, which is capable of carrying 1600 cfm, will take the 1000 cfm from the 10x18" from living area, and I plan on returning air from the 3 bedrooms (about 500 cfm total) by tapping directly into the 10x24". So a total of 1500 cfm is returning to the blower. To your point, the blower will probably not hit the 1800cfm that it is capable of producing.

Does this theory make sense on a very basic level?

Mark
Actually no, I think it will be fine. I thought you had some concern that it wasn't enough.

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dcrane
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Post Tue. Apr. 30, 2013 11:22 am

OMG... how did you get my dream furnace over to your house :mad: I want it back! :mad:

coalnewbie
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Hot Air Coal Stoker Stove: LL AnthraKing 180K, Pocono110K,KStokr 90K, DVC
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Coal Size/Type: Rice,
Other Heating: Heating Oil CH, Toyotomi OM 22
Location: Chester, NY

Post Tue. Apr. 30, 2013 5:30 pm

So a total of 1500 cfm is returning to the blower. To your point, the blower will probably not hit the 1800cfm that it is capable of producing.
I have the 110K version in the basement and I never really hear the fan upstairs and that's the way I like it. Don't forget the air filtration/humidifying system. Soooooo nice.

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dcrane
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Post Tue. Apr. 30, 2013 7:21 pm

does this come with a hepa filter ? :shock:

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lsayre
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Post Tue. Apr. 30, 2013 7:23 pm

That's one great looking furnace there!!!

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Flyer5
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Post Tue. Apr. 30, 2013 7:48 pm

dcrane wrote:does this come with a hepa filter ? :shock:
What the hell do ya think this is Obama care? :D

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dcrane
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Post Tue. Apr. 30, 2013 8:08 pm

Flyer5 wrote:
dcrane wrote:does this come with a hepa filter ? :shock:
What the hell do ya think this is Obama care? :D
hahaha... I knew that would get a rise outa ya :P


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