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2008-03

Vedolux 37

Startup

1. the bypass damper must be in the closed position.
2. place kindling in the boiler, with paper if you are using it.

3. the main switch must be set to on (the green area must be 

visible).

4. thermostat, FAN STOP, set to 120°C.

5. press “FAN START”, the fan starts.
6. light the boiler – gas is recommended.

First burning cycle

The first fire to be lit should be started carefully so that any re

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maining moisture in the ceramic can vaporise slowly. Lighting a 

fierce fire may crack the ceramic Only light a small fire the first 

time. Once the ceramic parts are dry, you can light a full-size 

fire. The ceramic does not take on moisture when the boiler is 

being used.

Lighting - start

  Place kindling in the boiler, followed by crumpled newspaper.

  Press “FAN START”, the fan starts. Light the paper. Leave the 

firewood hatch slightly open.

  Wait a while before closing the firewood hatch. The wood must 

have properly ignited (flue gas temperature approx. 120°C). 

Leave it to burn until there is a layer of vigorous embers.

Lighting a fire with the gas lighter

  Arrange medium size blocks of wood over a layer of kindling, 

then fill the rest of the combustion chamber with large blocks.

  Close the firewood hatch.

  Ignite the gas lighter and insert it into the nozzle in the hole 

at the top of the inner ash hatch. Move the flame from side to 

side, and the wood should have ignited after about a minute.

Adding wood

When the time comes to add more wood, open the bypass 

damper before the firewood hatch. This prevents smoke enter

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ing the room and the risk of flames exiting the boiler when you 

add firewood.
Even out the layer of embers. Add more firewood. The amount 
of firewood added depends on the 

temperature in the accumulator – do 
not allow the temperature to get too 

high. Filling the boiler with firewood 

increases the temperature of the boiler 
and a 1500 litre accumulator by about 

55°C. Stack the wood carefully.
Close the firewood hatch followed by 

the bypass damper.
If the flue gas temperature increases, 

you know that the firewood has ignited.
When the firewood has burnt and the 

flue gas temperature has fallen to be-

low 120°C, the fan and charging pump 

to the accumulator stop running.

RISK OF BURNS

Never open the boiler hatches if the fan is not running and 
you think there might be a fire burning in the boiler.

20

22

21

25

26

27

28

20. Main switch.
21. Thermostat for fan and charging pump.
22. Fan start when the boiler is cold.
25. Overheating protection.
26.  Indicator showing triggered overheating protection.
27.  Thermometer, displays the boiler temperature.
28.  Pressure gauge showing the water pressure in the heating system.

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Bypass damper

The boiler's bypass damper must only be used for adding wood 

during a burning cycle, in order to prevent smoke entering the 

room.

When the bypass damper is open, the boiler works like an up

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draught burner with shorter flue gas paths. This increases the 

flue gas temperature and reduces efficiency.

Do not forget to close the damper after adding firewood.

Controlling combustion

All air passes into the boiler through the draught hatch in the 

ash hatch. Combustion is controlled by the draught created by 

the fan, and by the addition of oxygen in primary, secondary 

and tertiary air through the inner ash hatch.

To optimise combustion and efficiency, the flue gas temperature 

should be 175- 200°C.

45. Hole for gas lighter.
46. Secondary damper, normally closed.
47. Tertiary damper.

The tertiary air, 47, can be adjusted so that the flame is light yel

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low. 
The soot indicates the quality of combustion. If it is very dark or 
black, the combustion process is not receiving enough air. In 

this case, the damper should be opened more. Efficient com

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bustion gives the soot a grey-brown colour. If you are burning 
wood with a moisture content of 18%, the opening should be 
about 4 mm.

Inner ash hatch

The diagram below shows how to insert the inner ash hatch. 
Follow the steps in reverse to remove it.

Firewood as a fuel

45

46

47

Push up

Angle in 

Push down. The pin at the 
bottom of the ash hatch 
engages with the hole in 
the ash plate.

Summary of Contents for Vedolux 37

Page 1: ...ion operation and maintenance Vedolux 37 08 03 ver 3 RVR 0811 From serial no VB THL product no Arkelstorpsv gen 88 291 94 KRISTIANSTAD Tel 044 22 63 20 Fax 044 22 63 58 info varmebaronen se ww varmeba...

Page 2: ...eaning All flue ducts in the boiler are cleaned from the same hatch at the front of the boiler The hatch is hinged and is opened with a single operation The flue ducts are round which means there are...

Page 3: ...nnection fan 17 Electrical connection circulation pump for accumulator charging 18 Flue pipe straight up with socket R25 for support pipe accessory 19 Base frame accessory The manufacturer reserves th...

Page 4: ...urface area The schematic diagram below shows the Vedolux 37 with the Aqualux and Aqualux UB accumulator tanks plus Accumulator Control 3 For more details refer to the documentation supplied with the...

Page 5: ...draining For filling the shunt valve must be fully open Turbulators The five turbulators are installed in the flue gas pipes as shown in the diagram The purpose of the turbulators is to introduce turb...

Page 6: ...9 20 21 22 23 24 26 15b 17b 16b 20 22 21 25 26 27 28 24 Time relay delayed cutoff 25 Overheating protection 26 Indicator showing triggered over heating protection 27 Thermometer displays the boiler te...

Page 7: ...fter the leaves have come out then wait a few weeks before trimming and splitting the wood During these weeks the leaves wilt and draw out the moisture After another few weeks of drying the wood has 2...

Page 8: ...d hatch followed by the bypass damper If the flue gas temperature increases you know that the firewood has ignited When the firewood has burnt and the flue gas temperature has fallen to be low 120 C t...

Page 9: ...less of the heat escapes with the flue gases One way of telling whether it is time for cleaning is to check the flue gas thermostat It is a good idea to clean the boiler if the flue gas temperature is...

Page 10: ...on the height difference between the highest and lowest points in the system the static head Note that the pressure in the system varies with the boiler tem perature do not add water unnecessarily The...

Page 11: ...increased quickly before charging begins Add a control system Ceramic not correctly positioned If the boiler is new check that the ceramic has not moved during transport There is no need to remove the...

Page 12: ...Draught hatch V 37 1 37 00 60 Handle knob 25 mm 2 28 38 00 01 Manometer 0 4 bar 1 27 38 00 03 Thermometer 0 120 C 1 38 00 30 Flue gas thermometer 50 500 C 1 44 00 02 Pipe cleaner 89 mm 2 44 00 05 Pip...

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