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Värmebaronen Viking Bio 35

Operation - Technical data

The Viking Bio 35 is a forward-burning pellet burner for wood 
pellets.
Fuel and air are mixed in a controlled fashion in the burner. 
This is the basis for environmentally-friendly combustion 
and high efficiency.
The Viking Bio 35 can be installed on most boilers with 
a power range that matches the power of the burner.
The Viking Bio is fully automatic and controlled by the 
boiler thermostat. A temperature sensor is available as 
an accessory. This causes the burner to control the boiler 
temperature. This function is advantageous in boilers in 
which hot water is produced in a heat exchanger.
The safety system in the pellet system with the Viking Bio 
consists of overheating protection, a thermal relay on the 
downpipe, a non-combustible hose between the feed auger 
and the downpipe, a fan with a fan guard, flame monitoring 
and blocking if the ambient temperature is high.

Different operating modes can be selected: high power, low 
power or two power stages.
The burner can have a start delay, which extends the running 
time and thus increases the efficiency.
There are indicators on the burner. By flashing in different 
ways, they provide information about operating phases and 
alarms.
Pellets are fed to the burner automatically from the fuel store 
via a feed auger controlled by the burner. The safety in the 
feed system consists of overheating protection on the down 
duct, a meltable hose between the feed auger and the burner 
and overload protection for the feed auger motor.
To simplify installation and maintenance, the burner has quick 
attachments that make it easy to attach the burner to the boiler 
and remove it. All electrical connections have quick couplers.
The burner is supplied with a connection cable, flue gas 
thermometer and ash rake.

Screw 1,500 mm art. no. 33 01 

RSK 639 07 47

Screw 2,500 mm art. no. 33 02 

RSK 639 07 48

Ø    

154

219

317

444

165

303

256

Type

Viking Bio 35

Art. no.

3351

Weight

15 kg

Ambient temperature

10 - 30 °C

Heat

supplied low power 

supplied high power

22 
35

kW 
kW

Voltage

230 V~, ±10%, 50 Hz

Fuse protection

10 A

Power consumption

high power 

low power 

standby 

start/ignition

25 
16 

3.5 

150




W

Enclosure protection class

IPx1

Draught requirements

-15 -0 Pa

Chimney

height 

diameter

>3
>100


mm

Combustion chamber, min

h x w x d 305 x 305 x 515 mm

Pressure in combustion chamber

-15 -0 Pa

Sound pressure

65 dBA

Fuel, quality

wood pellet in accordance with 

EN 14961:2 cl. A1

Pellet size

Ø6-8 mm

Emission class

in accordance with 

EN 15270

4

Feed auger

230 V~ / 15 W

Summary of Contents for Viking Bio 35

Page 1: ...1 3 0 6 0 3 T H L n o 0 1 r e v 0 Installation and maintenance Viking Bio 35 pellet burner...

Page 2: ...Flue gas temperature Turbulators Combustion Adjustment 13 Pellet firing 14 Pellet quality Handling and storing pellets Combustion Flue gas temperature Turbulators Pellet firing 15 Draught damper Smoke...

Page 3: ...To be completed by the installation engineer when the Viking Bio 35 is installed Add a printout from the flue gas analysis instrument Serial number Installation date Installed in boiler make type pow...

Page 4: ...l spare parts Spare parts that do not meet V rmebaronen s specifications may have an impact on safety Always contact your installation engineer for service The type and serial number of the burner mus...

Page 5: ...ifferent ways they provide information about operating phases and alarms Pellets are fed to the burner automatically from the fuel store via a feed auger controlled by the burner The safety in the fee...

Page 6: ...the walls of the combustion chamber 515 mm 300 mm 75 mm 75 mm Supply air to boiler room There must be a supply air valve to the boiler room The valve s free surface must correspond to the cross secti...

Page 7: ...position of the feed auger before the store is filled with pellets Use tape or similar to mark on the feed auger s pipe how far it extends into the store This makes it easy to see whether the feed au...

Page 8: ...ction is not used the cable end must be insulated Hatch safety switch A hatch switch must be installed if the combustion chamber hatch can be opened without tools Safety can also be guaranteed if the...

Page 9: ...REEN N L1 B4 S3 T2 T1 THERMAL PROTECTION AND THERMOSTAT SAFETY SWITCH BURNING SWITCH ALARM 230V 1A Electrical connection check 1 The power switch and thermostat must be in the position 0 2 Switch the...

Page 10: ...accessory 6 Connector for feed auger 230V 7 Ignition element 8 Current transformer 9 Power supply unit 230 VAC 24 VDC to supply the electronics and fan motor 10 Semiconductor relay with indicator to...

Page 11: ...flashes synchronously with FLAME low fan RPM in operating phase Flashing low element current 22 TEMP temperature setting when burner controls boiler temperature Requires temperature sensor accessory...

Page 12: ...mage can be avoided if the flue gas temperature is minimum 70 C one metre below the top of the chimney A low flue gas temperature results in higher efficiency but this must be weighed up against the r...

Page 13: ...minutes a Take a soot sample The soot number should be 1 3 b Perform a CO2 measurement If the CO2 value is too low increase Fuel too high reduce Fuel Repeat this test several times 3 Low power setting...

Page 14: ...onmentally harmful substances If the burner hatch is fitted with a sight glass it is possible to study the flame A few minutes after the burner has been started the flame must have a yellow white colo...

Page 15: ...s required to meet the prevailing heat requirements A lower power for the burner results in a longer operating time and lower stoppage losses which produces higher boiler efficiency The system must al...

Page 16: ...will stop and produce the Failed start alarm The most probable causes of this are excessive draught or the burner not receiving pellets Establish flame The burner is in operation with a flame The fan...

Page 17: ...ate the inner burner pipe the end wall and the lip Replace damaged parts as soon as possible When you refit the burner check that the silicone gasket is in place and is airtight Otherwise the inner bu...

Page 18: ...overheating protection against excessive boiler temperature thermal relay non combustible hose melts between feed auger and downpipe fan with fan guard photoresistor for flame monitoring blockage if t...

Page 19: ...rst check all the conditions required for the burner to work Does the burner have power Is the operation indicator lit up Are all control units thermostats etc set correctly Are all safety devices ove...

Page 20: ...ambient temperature possibly because the combustion chamber hatch is poorly insulated Check the ambient temperature Should be max 30 C Take action Faulty temperature sensor on circuit board Change cir...

Page 21: ...11615 Downpipe 1 41 700506 Packing 1 44 711614 Spacer 1 45 710044 300047 Reducer O ring 59 5 mm 1 1 46 100740 Split pin 1 47 700503 Hairpin 1 48 711610 Ignition element holder 1 49 711616 Ignition ele...

Page 22: ...RSK Boiler temperature sensor temperature control via the burner Draught damper 150 x 130 mm for flue pipe 90351 standard VB wood fired boilers 2924 Draught damper for cleaning hatch in chimney b 132...

Page 23: ......

Page 24: ...Varmebaronen UK 11 Back O Hill Stirling FK8 1SH Tel 01786 849 099 Fax 01786 849 098 www varmebaronen org info varmebaronen org...

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