In loving memory of Kenis D. Keathley 6/4/81 - 3/27/22 Loving father, husband, brother, friend and firewood hoarder Rest in peace, Dexterday

Fahrenheit Endurnace 50F Project

Discussion in 'Pellet Stoves, Pellet Fireplaces, Pellet Furnaces' started by BAN83, Sep 24, 2015.

  1. BAN83

    BAN83

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    Too bad, even though the cycle time is long. It is nice to at least have the option. I think for the most part when I get mine running I'll run it so that it never shuts off, just idles back. Or at least I'll start out trying it that way. I'm still a ways off anyways. I haven't even run a t-stat line to it yet.
     
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  2. BAN83

    BAN83

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    Awesome. Well sounds like even though you haven't been burning as long, you have spent more time than me tuning. I didn't really have to tune the Harman, there is no air adjustment. Just turn it out and let it crank. But I know it looses a lot of heat out the exhaust pipe.

    You mention about the "torch" type flame. I think that's what's got me hung up on the 50F, I'm used to the flame pattern of the Harman, when I shouldn't be. Every brand of stove has a different flame. I need to just focus on the burn quality and heat output.

    Thanks again for the information. Keep it coming.
     
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  3. CleanFire

    CleanFire

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    I think you nailed it, focusing on burn quality and heat output.

    For the heat output part, as it's measured here w/ the K-type thermometer, having the thermo probe wire in a defined, consistent location has been key to tuning. The stove here has a front slotted grate in front of the heat exchange tubes, the thermo probe wire is attached to that grate w/ alligator clips, the wire is directly in front of the center upper heat exchange tube, in free air space, 1 inch (2.54 cm) from the exit.

    If I have to remove the thermo probe wire for servicing, it goes back to that -exact- same location, else the readings will differ, vs. previous / expected.

    If you decide to use a thermometer to measure heat exchange output to aid in tuning, picking a location, and using that location consistently will give you the best results I've found here.

    Regardless of what type of thermometer (traditional, digital, IR) you choose, using the same spot for all measurement, is a good thing.
     
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  4. BAN83

    BAN83

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    Here's a few pics of the install that I have been promising.

    IMG_2132.JPG

    So took this one after I started painting tonight. Yes I used plywood, but it's because the area is mechanical room and the back area that you see in the other pictures will be pellet storage, a small work area and some racking. I wanted the durability. The stove has all the clearances required from combustibles. And I know I know, surge protector will be purchased this weekend :p

    IMG_2133.JPG

    Just a pic showing how I went out through the foundation. The lower hole is access the a base tee cleanout in the bottom of the vertical rise. Not sure how I will finish this portion yet. Maybe some tin to make it look pretty.

    IMG_2134.JPG

    Just another pic showing the venting inside the house. I used 45's to try and help improve air flow, as well as eliminate as much horizontal venting as possible. The twist in the base tee on the stove was done to allow access to the air intake. It's one of the things I don't care for on the 50F. I wish they'd put the air intake where there was more room to get at it.

    IMG_2135.JPG

    What will be future pellet storage!! Don't mind the mess.

    IMG_2136.JPG

    One coat of paint on. Probably will take three to get a good finish.

    Also, I know the stove is facing an odd direction, but I did this based on the layout of the basement and what would be easiest for stove access as well as ducting access when the time comes to tie it in.
     
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  5. BAN83

    BAN83

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    Right on. As with all testing and experiments, repeatability and constancy is key. Thanks for chiming in on the thread.
     
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  6. ivanhoe

    ivanhoe

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    Looks awesome, lot's of room to manoeuvre about. I might have a idea for the clean out hole, they sell chimney ash caps at my local hardware store. Different sizes and made by Selkirk, about $3o-35.
     
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  7. 343amc

    343amc

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    Sure did. These pics are almost 3 years old. Only real change is that the hot air ducts are insulated now.
     

    Attached Files:

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  8. DexterDay

    DexterDay Administrator

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    It'll heat pretty good with the diffuser on the top, but to get the most out of that unit, it should be ducted. Getting the heat where you need it, as fast as possible, with little heat loss (insulate your runs if possible!!), will yield the best results.

    The only part of my system that is not insulated, the 10" duct coming off the furnace. The only reason I have yet to do it, is I bought new duct work last year so my elbow isn't a 90° that is so low. I will make the new run straight up and a couple 45°'s near the top. I've hit my head dozens of times on that vent when cleaning!! Dozens!! :headbang:

    As for running it on Tstat mode? When it's below freezing? That's is all we use. Right now it's on fuel mizer with a 4° swing. So when it shuts down, it's normally dowm for several hours.

    Didn't get time to time the start up last night or get a video and the wife's Christmas party is tonight. So the vid may not be up until Sat or Sun. But I'll get it up as soon as time allows. :yes:
     
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  9. DexterDay

    DexterDay Administrator

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    When we were installing it 4 (5 yrs?) years ago, I just wanted it in and pumping heat! After installation, we realized we could have just flipped it, so the elbow was up high (above head level).. Live and learn.. :)
    20140105_152719.jpg
     
  10. 343amc

    343amc

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    I still hit my head on my ductwork when changing the air filter. That's one benefit of the reflectix insulation I put on the round duct. It softens the blow. :)
     
  11. CleanFire

    CleanFire

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    That's smart thinking there 343amc. :thumbs:
     
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  12. BAN83

    BAN83

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    That's Sexy, lol. :thumbs:

    I haven't tied mine in yet. What to get it working right first. What did you used for your OAK?
     
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  13. BAN83

    BAN83

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    That's a mint install Dex. I'm jealous of the installs you guys have. They look great. I've got a long way to go.
     
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  14. BAN83

    BAN83

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    This is great to hear. Still not getting a lot of heat out of my stove. Hopefully over the weekend I'll get it tweaked. I've got a great flame in it now. Just not getting the heat out of it with the distribution blower. Not sure why. Then I'll move on to installing a t-stat and ducting.

    Yeah, where I put my stove is the septic line. I keep smoking my head on it. Jeepers, I know I'm going to have to pad it.

    Great. No worries. Whenever you can get them posted is great.
     
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  15. 343amc

    343amc

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    The OAK is 3" gas vent pipe like you'd use for a water heater. Nothing fancy, but relatively inexpensive and safe.
     
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  16. BAN83

    BAN83

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    I think you replied to a post earlier answering that question. Don't think you posted pics.

    It looks good though. Ivanhoe posted some pics too I think and he did something similar. I think that's what I do as well for mine as I haven't OAK'd it yet.
     
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  17. ivanhoe

    ivanhoe

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    I got a DT-M vent with built-in OAK. Old Fart as the same vent so not him either.
     
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  18. CleanFire

    CleanFire

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    I like that 2nd pic, that furnace looks like hot-rod w/ all the 'chrome' piping, very nice. :thumbs:

    You guys do great installs! Just so you know, your Furnace could gobble up (2) of the Francesca stove here, and still have room for dessert.. :rofl: :lol:

    ban83, you're off to a great start - I'm sure your install will turn out excellent also. :yes:

    Great pics guys!
     
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  19. ivanhoe

    ivanhoe

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    It will look as good as ours or even better when you're done. You're off to a great start like CleanFire says. Taking your time helps on doing all the right modifications, not been rush through. The vent with 45's will make cleaning much easier, I'm not a fan of 90's.
     
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  20. ivanhoe

    ivanhoe

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    The adhesive foam gasket for the door, I tried the following product from Home Hardware #5510-000. It's called AEROTAPE, 1/8" x 2" x 30' made by ITP Thermo Polymers Ltd. I just cut it to size And double up on the latch side.
     
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