My DF520 is up and running (new install)

Re: My DF520 is up and running (new install)

PostBy: GoodProphets On: Sat Nov 10, 2012 5:46 pm

200 lbs was when I was still on 4 feed
Heavier winds means more heat loss in this Ol' house.

The temp is taken from the probe (6 inches long) inserted in the pipe about 4 inches from the boiler.
I thought it was high myself, but these are just first testings, and 444 was the max so far.

All gaskets are there except I am not sure if the boiler to base is there
Can I look somewhere to see?

My draft sometimes jumps to -0.05-0.06 is that too high?
I really think I will be needing a second baro because it is going to be getting really cold out and my baro weight is already maxed out.

edit:
I just wanted to add that there is already a 3/8" hole at that 4'' from the boiler in the flue.
I didnt want to drill anymore for now.
I take my drafts from there, and just decided to take my temp from there.
GoodProphets
 
Stoker Coal Boiler: EFM DF520
Coal Size/Type: Anthra Rice
Other Heating: 3 Fireplaces

Re: My DF520 is up and running (new install)

PostBy: Dennis On: Sat Nov 10, 2012 5:51 pm

GoodProphets wrote:I really think I will be needing a second baro because it is going to be getting really cold out and my baro weight is already maxed out.


I read that sometimes you can place a washer behind the weight to increase the draft restriction.Someone with more experence will chime in and let you know for sure.
Dennis
 
Hand Fed Coal Boiler: AHS/WOC55-multi-fuel/wood,oil,coal
Coal Size/Type: Anthracite/stove size

Re: My DF520 is up and running (new install)

PostBy: GoodProphets On: Sat Nov 10, 2012 5:56 pm

I dont think a washer is going to cut it.
I meant that the baro is wide open when stoking.

last couple days it has been prob 75% open or so but also bumps 100% a lot.

I am just knowing that a gust and cold weather is going to start to pull more that it can handle.

A restriction would just allow more air to come from the fire? right?
GoodProphets
 
Stoker Coal Boiler: EFM DF520
Coal Size/Type: Anthra Rice
Other Heating: 3 Fireplaces

Re: My DF520 is up and running (new install)

PostBy: Rob R. On: Sun Nov 11, 2012 8:01 am

If the baro gets maxed out during normal operation, that may be the reason for your high stack temperature. It would be easy enough to add a second baro.
Rob R.
 
Stoker Coal Boiler: EFM DF520
Hand Fed Coal Stove: Hitzer 50-93
Other Heating: Dad's 1953 EFM Highboy

Re: My DF520 is up and running (new install)

PostBy: GoodProphets On: Sun Nov 11, 2012 11:20 am

Thanks, that is what I was thinking. Pulling more draft than the baro can handle would just be pulling it thru the fire.

Do horizontal baros need to be 100% horizontal?
My long run to the chimney in on a slight angle perhaps 15% +/-

I am going to look for a double baro section for my vertical, but it may be tough

What should the max neg wc be?
IS -0.06 too high?

I was trying to keep it at 0.04 but slight winds w baro maxed is keeping it at 0.05 sometimes 0;06
GoodProphets
 
Stoker Coal Boiler: EFM DF520
Coal Size/Type: Anthra Rice
Other Heating: 3 Fireplaces

Re: My DF520 is up and running (new install)

PostBy: Rob R. On: Sun Nov 11, 2012 12:30 pm

GoodProphets wrote:Do horizontal baros need to be 100% horizontal?
My long run to the chimney in on a slight angle perhaps 15% +/-


No...but a different angle might change the calibration of the draft control, so it is necessary to check the draft with a gauge. My smoke pipe is at an angle as well.
Rob R.
 
Stoker Coal Boiler: EFM DF520
Hand Fed Coal Stove: Hitzer 50-93
Other Heating: Dad's 1953 EFM Highboy

Re: My DF520 is up and running (new install)

PostBy: GoodProphets On: Sun Nov 11, 2012 2:20 pm

Have a Dwyer, so no prob with that.
I found the same draft regulator that i have (baro) and look like it is $65 shipped on ebay, cheapest I found it, not bad.

Looks like I will have some work to do soon.
I will keep an eye on it in the meantime.
GoodProphets
 
Stoker Coal Boiler: EFM DF520
Coal Size/Type: Anthra Rice
Other Heating: 3 Fireplaces

Re: My DF520 is up and running (new install)

PostBy: Pacowy On: Sun Nov 11, 2012 5:08 pm

The manual says the draft is supposed to be at least -0.05, so from the readings you've provided it looks like it's already doing what it's supposed to. If the baro stands open the velocity of the air entering the baro can change to match chimney draft conditions. If you're not getting crazy draft readings in the smokepipe near the boiler, it seems like you can save the $65.

On the elevated stack temp, have you checked to make sure the hanging baffle was installed in the combustion chamber? If that's missing it's a little easier for heat to go up the flue. If you're running with the jackets on it may be hard to check or do anything about the seal between the boiler head and base. I used boiler rope and high-temp silicone (with boiler head sitting in place) on my 900.

Mike
Pacowy
 
Stoker Coal Boiler: H.B. Smith 350 Mills boiler/EFM 85R stoker
Coal Size/Type: Buckwheat/anthracite

Re: My DF520 is up and running (new install)

PostBy: GoodProphets On: Sun Nov 11, 2012 9:17 pm

I do not have my gauge hooked up permanent, so I cannot say how high the draft goes.
I need to get some brake tubing or something.
So I have not been able to measure the full monty.

I see what you are saying about more velocity though.

I do have the hanging plate (or what i thought is it) but I will double check.
I know my ash door and fire door both have one, since I adjusted the ash door knob.
Also, the auger coming out the side has some rope exposed.

I will be checking draft next cold night with some winds to see how high it goes.

Is there a max where I should worry? say it goes over 0.07 or 8?
This is before the baro.

I will also double check all gaskets to make sure there is no problems with the seal.
GoodProphets
 
Stoker Coal Boiler: EFM DF520
Coal Size/Type: Anthra Rice
Other Heating: 3 Fireplaces