Biglurr54
ArboristSite Operative
Post a pic of the filter. I'm curious. I like the idea just not sure what kind of filter to put in.
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OWB Performance Loss
- Thread starter Biglurr54
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Woodmaster sells them, but you can save money by searching online for one.
what are you running for water temps?
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Firers at 150 and shuts down at 170.
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If you are planning on making your own lines make sure you do some research. I have a run that I made and I have a run of Logstor. There are very few installs that I would consider making my own line for and yours isn't one of them. Water, stones, under driveway are 3 big reasons why I wouldn't do it. The reason I used the Logstor where I did is because it goes under a driveway ( I buried it 8" deep to lessen future problems) it comes out of the ground and runs 30' across the ground before it enters the house. When I installed it the open hole filled full of water and froze solid it never melted until spring and then I filled it in. It's also a wet location. The section where I made my own pipe is only a 35' run, it's 9' deep, I filled the whole trench full of gravel and I sloped the pipe towards the basement so that if I had an issue with water I would know right away. I made it so that I could pull the insulated lines out and slide Logstor in if it didn't work.
I also own a backhoe so I did all the digging myself on my schedule.
Do a google search, very few problems with Logstor, thermopex or the Europeans styles either. Lots of homemade issues though. I'm not sold on the foam in place trench either, here it just isn't cost effective.
I also own a backhoe so I did all the digging myself on my schedule.
Do a google search, very few problems with Logstor, thermopex or the Europeans styles either. Lots of homemade issues though. I'm not sold on the foam in place trench either, here it just isn't cost effective.
Biglurr54
ArboristSite Operative
So I am collecting temp data now. The wood boiler is set to fire at 165 and shut down at 180. My first set of readings was 150 in 140 out for the wood boiler side and 132 in and 137 out on the oil side.
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NSMaple1
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So depending where your boiler temp was in that 165-180 range, you're losing between 15 & 30 degrees to the ground. That is pretty significant. There might still be a chance your pump isn't pumping like it should but I'd wager against it. You could roughly check that by measuring its current draw with a clamp on amp meter.
Biglurr54
ArboristSite Operative
I'm going to take it apart tomorrow and inspect the cartridge. I'm going to consider moving the boiler up to the house. Not a fun job in February and it won't be in a great spot. Basically in the middle of where we park our cars. And I will have to haul all the wood up a steep icey hill
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NSMaple1
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If you go ahead with that move, I would also take the opportunity of having the pipes unhooked anyway and flush out the hx too. Also plumb in some shutoffs and T in a couple boiler drains on each side of it to make it easy to flush in the future. Might also be worth it to get a new circ, then the used one would be good for a spare. Long as it was OK. And put a couple ball valves on each side of that too for easy future servicing.
Either way and whatever you end up doing, good luck. That will be a project.
Either way and whatever you end up doing, good luck. That will be a project.
Biglurr54
ArboristSite Operative
OK another reading when I loaded the boiler. The boiler was at 165 the wood boiler in is 141 out at 132 the oil side was in at 129 and out at 139.
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Biglurr54
ArboristSite Operative
Temp check after sharpening the saw. Wood boiler in at 145 out at 134 oil burner out at 129 in at 141.
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Biglurr54
ArboristSite Operative
The water in from the boiler peaked at 152 then dropped so that means approximately 30 degrees loss through the ground. What are you guys losing to mother earth?
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NSMaple1
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Those last sets of temps seem to indicate that your hx is working good and pumps too. Looks more & more like the soggy underground is the culprit.
StihlKicking
ArboristSite Operative
Put the insulated pex through a 4" pvc pipe. Keeping water away from the pex is crucial, as this creates a huge heat exchanger in itself. If the pvc pipe is buried below the frost line then the temp should remain fairly constant. Don't cheap out on the underground, but remember that a lot of people over do it.
StihlKicking
ArboristSite Operative
You can buy the insulation that all 4 pex pipes run through directly from the hardy heater plant for $1/ft
Johnny Yooper
ArboristSite Operative
I have a 135 ft. run of Thermopex buried 18" from OWB to house, temperature on boiler output line vs temperature on same line entering through basement wall is within 1 degree F. This is the last place to go cheap.
Biglurr54
ArboristSite Operative
I changed my wood boiler setting. Fire at 175 off at 185. That should keep the Temps up high enough to produce heat in the house until I clean the ex and pump. Then it's time to start looking for a location for the boiler for the winter.
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bowtechmadman
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I have a Woodmaster 5500 and my temp settings run 170 - 190, I lost about 4 degrees running 140'. Heating DHW and 4k feet of home w/ water to water plate exchanger. I would suggest cleaning your exchanger as being the first thing...clean mine every other. I can keep my well insulated house 80 if I want in 0 temps.
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Faster water flow might help you out some too. What exactly do your home made lines consist of? Any pics of the install?
For my short homemade section I used 2 runs of 4"x 10' PVC pipe, 1" pex lines in each pipe, each pex line had the same type of closed cell foam shown in my earlier link but was thicker, then the foam and pex was wrapped with red Tyvek tape just to keep them together. Then they were slide into the 4" pvc and buried 8' deep in gravel. Used long sweeps at OWB so I could remove and replace if needed. I also ran electrical and a pull rope in the runs in case I wanted to add something in the future. Also ran wire to the pump inside for the generator but been too lazy to hook it up.
For my short homemade section I used 2 runs of 4"x 10' PVC pipe, 1" pex lines in each pipe, each pex line had the same type of closed cell foam shown in my earlier link but was thicker, then the foam and pex was wrapped with red Tyvek tape just to keep them together. Then they were slide into the 4" pvc and buried 8' deep in gravel. Used long sweeps at OWB so I could remove and replace if needed. I also ran electrical and a pull rope in the runs in case I wanted to add something in the future. Also ran wire to the pump inside for the generator but been too lazy to hook it up.
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