6 VEDEX 3300
For Home Owners
Settings, instructions and maintenance
General instructions
The way the wood is chopped, its type and the moisture
content are all determining factors that affect the function
and efficiency of the boiler.
Adjust the size of the wood to fit the hearth. Suitable
length of chopped wood for VEDEX 3300 is 0.5m.
The wood is placed on the ceramic grate.
The combustion process works by reverse combustion
where the combustion gases are forced down through the
grate by an induction fan. The fan is controlled by the flue
gas temperature. A damper ensures that a self induced
draught does not occur when the fan is off.
The fan works at two speeds which means that the high-
est speed occurs when adding wood and normal speed
during operation.
A tilting smoke stop prevents blow back.
Always use dry wood. Wood with a high moisture content
reduces the combustion temperature and causes increased
amounts of environmentally harmful emissions as well as
reducing efficiency.
Extremely dry wood can cause too large a fire which can
create large amounts of gas. In addition, there is a risk
of flashover, which in turn causes irregular combustion.
Carpentry off cuts can be used but should be mixed with
other wood. All wood over 10 cm must be split. Only use
untreated and clean wood.
Combustible gases are created as the wood heats up.
These burn at temperatures between 300 - 900°C. The
gases make up 75% of the wood’s energy content, the
rest is in the charcoal created, which also then burns.
Final combustion occurs in the compartment under the
grate after the supply of secondary air.
Primary air control
The control damper on the front of the boiler is used to
distribute the air supply to the hearth.
■ In the left-hand position, the air supply is from the top
of the combustion chamber.
■ In the right-hand position, the air supply is from the
lower part just above the ceramic grate in the hearth.
■ In the central position the air is distributed equally from
both inlets.
Flue gas thermostat
This thermostat senses the flue gas tempera-
ture. When the temperature has been reached
and the filler door closed, the fan resumes
normal speed. When firing is ended and the
flue gas temperature has dropped, the fan is
stopped by the thermostat.
Max. thermostat
This thermostat stops the fan when the boiler
water temperature is too high.
Charge thermostat
This thermostat starts the charge pump at the
set boiler water temperature.
Before adding the first pieces of wood, check
that the boiler and the heating system are filled with wa-
ter, and that the flue gas thermometer is installed in the
flue pipe. Then make settings as fol-
lows.
■ Set the flue gas thermostat to posi-
tion:
■ Set the max. thermostat to 90 °C.
■ Set the charge thermostat to 60 °C.
■ Adjust the primary air damper as follows.
1 Hard and mixed wood
Adjust the damper to the right.
2 Softwood
Adjust the damper to the left.
For a newly installed boiler, new adjustments should be
made if combustion is not efficient and incomplete or if
another type of wood is used. Also see section “Wood fir-
ing”.
2
1
bar
3
04
T
G
20 100
40
80
60
ϒC
0 120
T
G
1
0
R
VEDEX 3000
ϒC
ϒC
ϒC
20
30
40
70
80
90
50
60
ϒC
20
30
40
70
80
80
90
50
60
P
T
T
T
P
T
Boiler default settings
The instrument panel contains three thermostats.
115,0
164,0
267,6
327,0
208,0
345,3
369,5
375,0
48,0
5,5
11,0
11,0
10,5
79,4
107,2
157,0
97,8
23,2
Ø 52,8
53,5
3 st hål ø36
Hål ø6
Hål 11,5x29
HålHål
20 100
40 80
60
0 120
2
1
bar
3
04
20 100
40 80
60
0 120
2
1
bar
3
04
OLD
115,0
164,0
267,6
327,0
208,0
345,3
369,5
375,0
48,0
5,5
11,0
11,0
10,5
79,4
107,2
157,0
97,8
23,2
Ø 52,8
53,5
3 st hål ø36
Hål ø6
Hål 11,5x29
HålHål
20 100
40 80
60
0 120
2
1
bar
3
04
20 100
40 80
60
0 120
2
1
bar
3
04
OLD
115,0
164,0
267,6
327,0
208,0
345,3
369,5
375,0
48,0
5,5
11,0
11,0
10,5
79,4
107,2
157,0
97,8
23,2
Ø 52,8
53,5
3 st hål ø36
Hål ø6
Hål 11,5x29
HålHål
20 100
40 80
60
0 120
2
1
bar
3
04
20 100
40 80
60
0 120
2
1
bar
3
04
OLD
115,0
164,0
267,6
327,0
208,0
345,3
369,5
375,0
48,0
5,5
11,0
11,0
10,5
79,4
107,2
157,0
97,8
23,2
Ø 52,8
53,5
3 st hål ø36
Hål ø6
Hål 11,5x29
HålHål
20 100
40 80
60
0 120
2
1
bar
3
04
20 100
40 80
60
0 120
2
1
bar
3
04
OLD
För konsumentbroschyr
Förvärmd
primärluft
Termisk
returanslutning
Sekundärluft
Ställbara
luftventiler
Värmeupp–
tagande flänsar
med turbulatorer
Returanslutning
Askrumslucka
med inspektionsglas
Keramikroster
Ventil för
primärluft
Påfyllningslucka
Primärluft
Styrpanel
Vattenkyld botten
Flambalja för
slutförbränning
Hetvattenretur
HetvattenuttagRökgasstyrd sugfläkt
Kylslinga
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