Saturday 12 December 2015

Firing up the wood burner

The instructions seemed long and complex, but sure it is fine once we have done it a few times. There are a lot of dials and controls. Basically the whole setup isn't very complex, but it looks more so because it is important that water goes in to the tank at a level with similar temperature so that the water stays stratified with hot at the top and cold at the bottom otherwise we would have a large tank of warmish water rather than one which is hot enough at the top to provide water for showers. Then there are a number of pumps and dials for the solar hot water and for the wood burner.
The radiators are connected up basically but not fully yet.
The red tank you can see a bit of is the expansion vessel to cope with the water increasing in volume as it gets hotter. The grey pipes just right of center are the solar hot water going in and hot water coming out. The wood burner is on the left.

Lighting the wood burner

Control panel on the wood burner - tells you whether fans are on, temp of chimney (which is important I guess so that the boiler can control itself to achieve the correct temperatures and air supply to achieve gasification)

The super hot flame roaring down from where the wood is being heated to create wood gas above. The boiler is called a wood gasification boiler because it burns the wood very efficiently by gasifying the wood and then burning that gas

The tank on right is to provide flow if there is a power cut and the system is too hot and needs cooling - as we would have no water pressure at that point as our water is provided by a pump

Double skin chimney out the back



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