Air Wash Path

Hi, We purchased an older house which contained a Whitfield stove. The first fall we had a stove company come and certify (for house insurance) the stove as well as clean and check it over generally. Fast forward a couple of seasons and the glass soots up quite quickly compared with the first season. I read on one of the posts about removing the hood over the glass and cleaning behind it, which I did. This got me wondering just where the air wash path starts. Does it enter the stove above the glass or ? I have been cleaning the stove and at the start of each season remove both fans and clean then completely. Also do the full ash clean about once a week or so. Thank you in advance

Bioburner said:

What model of Whitfield?

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The model is either a 2T or 3 Advantage WH number is 87123 and metal plate in pellet hopper also states "made in October 1994. Hope this helps

WoodPorn said:

I have no clue as to what path the airwash follows. Are you burning the same brand pellet? have any adjustments been made?Is there an outside air kit installed?

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Sorry, I guess my question should have been "where does the air enter the stove" The pellets are the same. Adjustments are just pellet rate and air rate which I tend to leave alone. The Flame is "dancing" bright light orange colour with the occasional bit of flying red ash (I have probably given this the wrong terminology) No outside air, the house is over 100 years old so combustion air doesn't seem to be a problem Thanks for your reply

WoodPorn said:

If your stove is a 2T then combustion air enters through the air inlet below the flue outlet...
Check out P16 on this PDF
http://www.pelletking.com/pellet-stove-manuals/Whitfield-Advantage-IIT-Pellet-Stove-Manual.pdf

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Thank you, yes I see where the combustion air goes in. I am thinking that if the glass is getting discoloured somehow the air wash is not doing its job, probably caused by the air path being restricted. Do you know how the air is directed to/at the inside of the glass? Thanks again!

WoodPorn said:

I don't know the airpath......Sounds to me that you're not getting sufficient combustion air. Do you have a damper on this? is it closed too much?
Also try adjusting the combustion air trim up a bit..
See page 24 of the same PDF

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I looked through the link you kindly sent and tucked away on page 33 was a short paragraph titled Air Wash. It goes on to say the air wash is introduced around the glass. So from this it doesn't look to be to do with the combustion air. Or that is what I understand it to mean. I will wait until tomorrow when I have the stove turned of for cleaning and investigate a little further. It may be that whatever way the air enters around the window has become blocked over time and just needs cleaning. I would prefer to explore this first before changing other settings. I just thought possibly someone may have come across this before.
Again, many thanks for your suggestions!