Vimar VIGAS 25 TVZ User manual

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Gasifying boilers VIGAS
Ecological Boilers VIGAS
MANUAL FOR INSTALLATION, ASSEMBLY AND USE
VIGAS 25 TVZ
with control AK 3000
Certificate of warranty
VIMAR 2011
WARNING
Never operate boiler without energy or
without cooling fan. ( If boiler is not
cooled, corpus of the boiler can be
damaged )!!!

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Gasifying boilers VIGAS
Content
Declaration of conformity .....................................................................................................
1. Technical description......................................................................................................
2. Technical data.................................................................................................................
3. Description of AK 3000 control .....................................................................................
4. VIGAS TVZ boiler in basic configuration.........................................................................
5. VIGAS TVZ boiler in configuration with discharge fan...................................................
6. Temperature of output air setting....................................................................................
7. Parameters settings for VIGAS TVZ boiler.....................................................................
8. Time setting.............................................................................................................
9. Hardware and software information...............................................................................
10. Error messages..............................................................................................................
11. Service settings PIN 0000 protected..............................................................................
12. Operating instructions.....................................................................................................
13. Boiler maintainance and repairs....................................................................................
14. Accesories assembly.....................................................................................................
15. Listo fo guarantee and afterguarantee services.............................................................
16. Problems solving............................................................................................................
17. Assembly instruction......................................................................................................
18. Electric scheme of connection VIGAS boilers................................................................
Letter of guarantee.........................................................................................................
Confirmation of VIGAS boilers commissioning..............................................................
Strana
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Gasifying boilers VIGAS
DECLARATION OF CONFORMITY
Issued according to Section 12, par. 3, letter a) Act No. 264/1999 Coll.
And 97 / 23 EC
We, VIMAR Vigaš Pavel
hereby declare that the undermentioned products comply with technical regulations
and the products are safe if determined conditions are followed and we took all
possible measures to assure the compliance of products with technical
documentations as well as with relevant instructions requirements of government.
The validity of this statement is lost when an unauthorized changes are done
without permission of VIMAR.
Product: Hot – air boiler VIGAS TVZ with AK 3000 control
Type: VIGAS 25 TVZ
Enginery : Hot – air boiler
Producer: VIMAR Vigaš Pavel
M. Čulena 25, 974 11 Banská Bystrica,
SLOVAKIA
Governmental ordinance ( GO )
GO No. 436/2008 Coll. – Machinery Directive (2006/42/ES)
GO No. 308/2004 Coll.– Low Voltage electric devices (2006/95/ES)
GO No. 194/2005 Coll. – EMC (2004/108/EC)
Used harmonized standards when conformity review
STN EN ISO 12100-1: 2004/A1: 2009; STN EN ISO 12100-2:2004/A1: 2009
STN EN 60335-1: 2003; STN EN 60335-2-102: 2007
STN EN 61000-9-3: 2007; SNT EN 55014-1: 2007; STN EN 61000-3-2: 2006
STN EN 61000-3-3: 2009; STN EN 61000-6-2: 2006
Supplementary data: Certificates, Test record
Conformity certificate No. 101299029 of 19. 02. 2010
Issued in: Banská Bystrica Name: VIGAŠ Pavel
Date of issue: 01. 03. 2010 Title: Owner
Signature:
M. Čulena 25
974 11 Banská Bystrica
SLOVAKIA
VAT No.: SK 1020548001

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Gasifying boilers VIGAS
1. TECHNICAL DESCRIPTION
Hot-air boilers, VIGAS are designed for combustion of dry wood material, starting from
sawdust up to logs in the length according to the dimensions of gasification chamber,
maximum 20 cm. Sawdust, chippings, splinters and cuttings must be burn together with logs.
Boilers are welded from 4- 6 mm steel sheets. Inner boiler sheets that have contact with
boiler waste gases are 6 mm thick, others are made of 4 mm sheet. Heat exchanger is
welded from steel pipes, 57x 5 mm. Exterior boiler shell is made of 0.8 mm sheet. Thermal
insulation of the boiler is made of insulation material, 20 and 40 mm thick. Boiler waste gases
go away through steel neck to chimney.
Inner boiler space consists of gasification chamber, where fuel is dried and gasified. Then
created gas goes through fireproof /concrete/ nozzle into combustion chamber, where it
burns with the help of secondary air. Boiler waste gasses are intensively cooled in
exchanger. Wood that is not burnt must be removed from combustion chamber. The boiler has a
lighting up damper that is controled by operating rod at the front part of boiler.
In order the boiler complies with the requirements for non-demanding operation, it is equipped
with AK 3000 control unit that is situated in the upper part of boiler. The used system of control
allows very effective combustion of various kinds of fuel. AK 3000 control allows:
:
smooth and automatic control of forced draft fan according to required output and fuel,
to connect circulation pump,
to connect and to control boiler by space temperature regulator,
to connect discharge fan
to connect extended regulation (EXPANDER) via AK BUS
to connect module with Ethernet interface and SD-card for data saving and concsequtive
evaluation via PC
Gases thermometer as a standard
Boiler has thermal fuse that ensures disconnection of forced draft fan if boiler is overheated.

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Gasifying boilers VIGAS
2. TECHNICAL DATA
Technical data HOT AIR BOILER VIGAS 25 TVZ
VIGAS 25
Nominal boiler output kW 25
Boiler class according to EN 303-5 3
Fuel Wood heating min. 15 MJ/kg
Output capacity kW 5-28
Fuel consumption with nominal
output. kg/hod 7,6
Efficiency % 85
Substitute fuel Wood waste, splinters, saw dust, saw dust
briquettes
Chimney draught mBar 0,15 – 0,20
Extend of temperature setting 0C 40 – 120
Weight kg 450
Height with regulation A mm 1230
Height of exhaust branch B mm 1145
Height of inlet branch C mm 330
Height of chimney neck D mm 1000
Width including pull-road E mm 645
Width including shell F mm 590
Depth G mm 1250
Exhaust brand H mm 240
Diameter of draught neck I mm 159
Dimension from the edge of boiler mm 250 x 250
Temperature of boiler waste gases
with nominal output
with minimum output
0C
0C
260
170
Dimensions of gasification chamber
Depth mm 490
Height mm 500
Width mm 440
Dimensions of gasification opening
(width- height) mm 435 -255
Max. weight of fuel kg 28
Capacity of gasification chamber l 110
Noisiness dB 70,5
Electric input W 640
Voltage/frequency V/Hz 230ACV/50
Time of burning with min. output Hour 3,8
Weight flow of boiler waste gases kg/s 0,034 – 0,047

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Gasifying boilers VIGAS
2.1 DIMENSION CHART AND THE POSITION OF PROTECTIVE SUPPORT PLATE ON
EASILY IGNITABLE FLOOR
2.2 BOILER SCHEMATIC
KEY
1. AK 3000 control
2. Upper door
3. Chimney flap operating rod
4. Fuel bunker
5. Primary air conduction
6. Flap for fan
7. Fan
8. Fan cover
9. Heatproof nozzle
10. Secondary air screen
11. Door closing device
12. Fireclay bricks
13. Bottom door
14. Chimney neck
15. Exchanger cap
16. Lighting up damper
17. Upper back cover
18. Outlet water neck
19. Upper front cover
20. Thermometer
21. Thermal fuse
22. Exchanger pipes
23. Heat proof /concrete/filling
24. Secondary air
25. Combustion chamber
26. Direction of gases
27. Cooling fan
28. Totters
29. Scavenge plate
30. Scavenge scraper
31. Scavenge hook
32. Gases thermometer
Scheme VIGAS 25 TVZ
Pic.3
Pic.1 Pic.
2

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Gasifying boilers VIGAS
3. DESCRIPTION OF AK 3000 CONTROL
3.1 Safety Instructions
Check protection (cover) metal sheet before plug-in the power wire
Avoid any contact of power wire with hot parts of the boiler (f.e. chimney)
Make sure, no water is allowed under the upper isolation (risk of short circuit)
Do not stress the power wire
Always disconnect the power wire when a new electrical components are connecting (f.e.
indoor thermostat, discharge fan )
Do not remove protection (cover) metal sheet during the boiler operation, especially from
fan
Compare working voltage displayed on the label with your distribution network
Always observe safety regulations
3.2 Connecting to the distributing network
AK 3000 control is integral part of VIGAS TVZ boilers.
Control is connected when power wire is plugged in to the distributing network 220/230V. Display
is active when power wire is plugged-in (Pic.4).
3.3 Working conditions
Operation temperature range of AK 3000 control is +5°C to +45 °C. Control may not be used in
humid enviroment or direct sunlight.
3.4 Maintainance of AK 3000 control
Keep in clean and dust-free enviroment. Antistatic, or wet wipper is advised to wipe-off dust and
impurities from metal cover and control panel.
3.5 Control panel
Part of the electronic control is panel, equipped with buttons, pictograms and display. Futher
informations will be available in the next part of this manual.
Pic.6 1. Graphical display 128 x 64 pixels
2. Button ◄with functions
3. Button ▲with functions
4. Button ►with functions
5. Button (ENTER) with functions
6. LED control
7. Button with functions
Pic.4

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Gasifying boilers VIGAS
Functionality of each button are composite and their functionality depends accompanying
description on display and from manufacture settings.
3.6 Symbols
1. Real time indication.
2. Indication of current boiler values.
Modification ▲or .
3. Indication od discharge fan, gases thermometer
4. Indication of nominal boiler output when switched off.
5. Indication of boiler status.
Pic.
7
Boiler Discharge fan Cooling fan
Boiler „ ON „ ON End of burning
END Fan
Boiler „ OFF „ OFF Thermometer T Fan change
output
Heating
ON Error indication
value x Indoor thermostat
Burning
73 0C
Indoor
termostat
decay Maximal value
of gases max
Afterflaming
52 0CAdding fuel Minimal value
of gases min
Temperature
setting
Parameter
setting Time setting
Error
messages Program
Konfiguration
informations
Service
message

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Gasifying boilers VIGAS
4. VIGAS TVZ BOILER IN BASIC CONFIGURATION
(without discharge fan )
VIGAS TVZ BOILER OPERATING
4.14.1 Boiler activation
4.2 Boiler activated – heating mode
4.2Boiler activated – burning mode
4.4 Adding fuel, Disconnection the boiler (manually)
Using graphical control. To call the graphical control, press central button ENTER. Graphical
control offers option to switch off, adding fuel or cancel the graphical control.
If boiler is in unactive status with symbol „OFF“, as displayed on the
picture, by pressing the central button ENTER the boiler start the
operation.
Warning:
The cooling fan turns on depending on chimney temperature o
f
combustion gases. The temperature for cooling fan is regulated in boile
r
settings (start ). The cooling fan will turn off when temperature unde
r
10 oC.
Choose one option
OFF Switch - off
Add fuel
⌧Cancel the control
bc Change the indicated value
By pressing „ “ fan will be switched off. By using the rod open
the chimney flap, consequently open the upper door. You can add
fuel, if necessary. Close the upper door and chimney flap.
By pressing „ “ adding fuel will be stopped. Fan will be switched-
on automatically.
Boiler is set to heating mode, if temperature of outgoing gases is
lower, then set shotdown temperature of the gases.Minimum
gases temperature as a maximum gases temperatureis in
settings.Usually is set to minimum gases temperature to 900C and
maximum gases temperature to 2000C.
The burning mode is active after the shotdown temeprature is
gases ( end) + 200C.

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Gasifying boilers VIGAS
Choose one option
+60 Discharge fan active for 60s. (Using when heating)
ON Boiler activation
⌧Cancell the control
bc Change the indicated value
If „+60“ is chosen, new graphical control is indicated. In left
corner is running time of discharge fan.
+60 Another 60s. could be added. 300s. maximum
ON Boiler activation
0 Discharge fan disconnection
bc Change the indicated value
4.5 Disconnection the boiler (Automatically)
5. VIGAS BOILER IN CONFIGURATION WITH
DISCHARGE FAN
Main advangate of discharge fan is increased comfort during heating or adding fuel. When
discharge fan is active during adding fuel there is significant decrease of smudging into boiler-
room. During the heating, discharge fan will accelerate the burning.
VIGAS TVZ BOILER CONTROL WITH CONNECTED DISCHARGE FAN
5.1 Boiler activation
5.2 Boiler activated – heating mode
When temperature drops under the shotdown temperature (see
Parameter settings of Vigas TVZ boiler ) boiler is switch-of
f
automatically. „END“ will be indicated on the display. By pressing
„ENTER“ boiler will start operating again.
If boiler is in unactive status with symbol „OFF“, as displayed on
the picture, by pressing the central button ENTER the boiler start
the operation.
Boiler is set to heating mode, if outgoing gases temperature is
lower, then set minimal gases temperature ( end). Minimal gases
temperature, as well as, maximal gases temperature can be set in
boiler settings. Minimal gases temperature is set on 90°C, maximal
gases temperature is set on 200°C, which are standard settings.
Pump is pulse working in dependence on temperature of the boile
r
water!

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Gasifying boilers VIGAS
„ENTER“
5.3 Boiler activated – burning mode
5.4 Adding fuel, Disconnection the boiler (manually)
5.1.2 Disconnection the boiler (Automatically)
6. TEMPERATURE SETTINGS OF OUTLET AIR
The burning mode is active after the gases temeprature is highe
r
(end) + 200C. In this mode pump is working pulse (bolie
r
protection against low-temperature corrosion). The pump is
working, when symbol flash. Boiler is responsive to indoo
r
thermostat, when indoor thermostat is switched off boiler slowly
decreasing its output.
Choose one option
OFF Switch off
Add fuel
⌧Cancell the control.
bc Change the indicated value
By pressing „ “ fan is swithed off and discharge fan is
automatically activaed on 300s. In left corner is running time o
f
discharge fan. If „+60“ is chosen, new graphical control is indicated.
By using the rod open the chimney flap, consequently open the
upper door. You can add fuel, if necessary. Close the upper doo
r
and chimney flap. By pressing „0“ discharge fan is swithed off. By
pressing adding fuel is finished, discharge fan is switched of
f
automatically and fan will switched on.
When gases temperature drops under the set temperature
( end) (boiler is switch-off automatically). „END“ will be
indicated on the display. By pressing „ENTER“ boiler will start
operating again.
Using graphical control. To call the graphical control, press central button ENTER. Graphical
control offers option to switch off, adding fuel or cancel the graphical control.
To call temperature setting hold „ENTER“ button at any boile
r
status. Symbol of the temperature setting will be indicated on the
display. Press „ENTER“ again. Symbol of the nominal output will
be indicated on the display with value, together with temperature o
f
outlet water in °C. By pressing the „ENTER“ button, the value start
to flash.
„ENTER“
Temperature is flashing, by using
buttons ▲choose requested
value. Button ►will exit the
temperature settings.

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Gasifying boilers VIGAS
By ▲buttons set the parameter you want to edit and by
pressing „ENTER“ button, the value starts to flash. ▲buttons
set requested value.
max Choose maximal gases temperature that will result in
decreasing the operating speed.
end Choose shotdown temperature of the boiler.
„“
Increase or decrease the value, maximal output will
be changed. Is adviced to decrease the value in
transition period (boiler tar level will drop).
Start Choose gases temperature that will activating cooling
fan.
ÂBrightness.
Roll Press „yes“ will acitivate the value rolling (Pic.7/2).
Help 0s Set the time when graphical control will be indicated.
7. PARAMETERS SETTINGSOF VIGAS TVZ BOILER
8. TIME SETTING
Set time and date, when boiler is pluged first time. In left corner is time is indicated.
To call parameters setting press longer „ENTER“ button at any
boielr status and by pressing ▲button twice.
By ◄button set date or time, that will be edited. ▲buttons
choose date and time. Button ►will exit the settings.
Mon – Monday, Tue – Tuesday, Wed – Wednesday, Thu –
Thursday, Fri – Friday, Sat – Saturday, Sun – Sunday
To call parameters setting hold „ENTER“ button at any boile
r
status and by pressing ▲button. Press „ENTER“ again Symbol o
f
the parameters setting will be indicated on the display. By pressing
the „ENTER“ button twice, the values you can set will be indicated
on the display.
„ENTER“ „ENTER“

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Gasifying boilers VIGAS
9. HARDWARE AND SOFTWARE INFORMATION
10. ERROR MESSAGES
10.1 STB failure
11. SERVICE SETTINGS PIN 0000 PROTECTED
To call informations setting hold „ENTER“ button at any boiler
status and by pressing button.
▲buttons choose modul and confirm „ENTER“. Information
about the module will be indicated on display.
To call error messages hold „ENTER“ button at any boielr status
and by pressing 3 times. By pressing „ENTER“ error with
description will be indicated on display.
Service settings PIN 0000 protected can be used only in restricted
cases. Only trained service engineer can do these settings. (In
necessary cases client can do also). In service settings are
adjusted boiler type with accessories
To call the service setting PIN 0000 protected as follows:
1. Hold „ENTER“ button at any boielr status
2. Press ▲button
3. Hold ◄button for 4s - „PIN 0000“ will be indicated
4. Press „ENTER“ 4 times
5. Service settings symbol will be indicated on display
6. Press „ENTER“ and buttons ▲choose service setting of
boiler type, micro SD card, service operation and press
„ENTER“ .
A
t „STB“ failure boiler is overheated. Thermal fuse is activated
(Pic.3/21). The fan is disconnected from voltage. Boiler is
mechanical activated again only if boiler temperature drops by to cca
30°C. Boiler is need to be switch-on by „ENTER“ button.

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Gasifying boilers VIGAS
11.1 Settings for micro SD card
AK 3000 control can be extenended by SD modul (Pic.8). Micro SD card of different capacity is
plugged into SD module.
11.2 Service settings boiler type with accessories
WARNING
Graphical control unit AK 3000 is used to control all types of VIGAS
boilers. It is important, software settings must be same as type of
the boiler. In deactivated boiler status „OFF“ boiler type is
indicated on the display, that is equal to boiler nominal output. For
correct boiler operation, boiler type must match with boiler
type marked on boiler label.
In case of control unit exchange, always must be AK 3000
checked!!!
Continue Chapt.11
7. Press „ENTER“, display indicates :
Boiler type V- VIGAS, xx – nominal output, L – lambda
TVZ – hot-air, UD – coal – wood, DP – wood – pellets
λyes – boiler with lambda sensor, no – boiler without
lambda sensor
yes – boiler with gases thermometer, no – boiler
without gases thermometer
yes – boiler with discharge fan, no – boiler without
discharge fan
8. Buttons▲choose parameter and press ENTER
9. Button ►will exit the settings
List of boiler types
V 16 V 80
V 16L V 80L
V 25 V 100
V 25L V 100L
V 40 V 25TVZ
V 40L V 29UD
V 60 V 18DP
V 60L
By pressing „ENTER“ symbols that micro SD cards allows will be
indicated on the display. Buttons ▲choose the task, you want to
realize and then press „ENTER“.
Pic.
8
Micro SD card allows:
Loading of back-up software to control unit of the boiler
Software back-up to SD card
Loading of updated software from SD card to control unit o
f
the boiler
Selected parameters boiler back-up (f.e. boiler temperature,
fan speed, etc.) during 1 month and consequenly
interpretation by PC
SD card erasing
.

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Gasifying boilers VIGAS
11.3 Control of service settings
12. OPERATING INSTRUCTIONS
12.1 Before operation:
12.2 Boiler operation
1. Connect boiler to distributing network (230V/50Hz) by power wire.
2. Wait when dispay will be activated to basic indication.
3. Set the boiler with AK 3000 control to deactivated mode "Off".
4. Fuel heating:
a) by using the rod open the chimney flap (Pic.3/3),
b) open the upper door (Pic.3/2) on fireproof ceramics (Pic.3/9) put the paper so that
small piece of paper extend to lower burning chamber (Pic.3/25), woodchips, cleft
timber,and fill-up with fuel
c) close upper door and open slightly lower (Pic.3/13) to start heating the fuel(obr.3/4), in
configuration with discharge fan, the heating will be quicker to activated the fan.
d) close lower door and chimney flap when fuel is burning; 10 – 15 minutes,approx.,
5. Activate the boiler to „ON“. Boiler starts to gasyfing and control its output automatically to
set temperature
6. To refil the fuel follow steps in chap. 4.4. or 5.4
7. To deactivate the boiler, follow steps in chap. 4 or 5.
▪to be informed with operating instructions and how to operate the electronic control AK 3000,
▪to connect accessories (f.e. discharge fan or indoor thermostat),
▪to check the placing of fireclay bricks in combustion chamber pic.3,
▪to check connection to chimney and to check transitoriness,
▪to check the cover metal sheets,
▪to check the power to mains (230V/50Hz),
▪to prepare sufficient amount of fuel for heating and burning.
Burning fuler Lower door open
Funcionality of each system can be check in service settings by
symbols indicated on display. Press „ENTER“ and selected
system will be activated.

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Gasifying boilers VIGAS
12.3 Keeping operation and output regulation
Fuel in boiler is moved spontaneously in the direction to fireproof nozzle. Ash falls through
nozzle and deposits in combustion chamber. Boiler output is regulated automatically according to
the set temperature of outlet water. If there is mains failure during a longer period of time or if
automatic regulation fails, it is not possible to heat .
12.4 Refilling the fuel bunker with fuel
▪open chimney flap with the help of operating rod (Pic.3/3),
▪on graphical control press ( Available in Chapt 4.4 or 5.4)
▪open upper door with caution, to smoke venting
▪refill necessary volume of fuel through upper door (Pic.3/2)
▪close upper door (Pic.3/2) and chimney flap (Pic.3/3),
▪button will exit refuel
Important !!!
▪Use correct fuel only
▪Is adviced not to overload with fuel when operating the boiler in transition period, boiler
tar level will drop.
▪When adding fuel, do not let it remain between flange and chimney flap, which might
prevent flap to close properly.
▪Lay fuel to boiler not to prevent upper door to close. Forcible closing may damage lining.
▪We recommend to supervise boiler according to operation conditions by the person older than
18 years.
WARNING !
Never operate boiler without energy or without cooling fan. ( If boiler is not cooled,
corpus of the boiler can be damaged )!!!
WARNING !
If power cut, or boiler failure during the burning, do not open neither door or chimney
flap. A sponatneous decay of burning will be reached, and total blow out will be
reached in a longer time.

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Gasifying boilers VIGAS
12.5 Boiler cleaning
If wood burning is optimal and minimum
temperature of return water is kept, 60°C,
gasification chamber, completing combustion
space and exchanger are sooted minimally. If wet
fuel is used, steam is condensed on the walls of
combustion chamber and tar is created on surface.
▪Gasification chamber cleaning
It is necessary to remove tar from gasification chamber once per week. We recommend to
burn it with upper door and chimney flap open. With regard to the fact that inner walls of
boiler have aluminium coating, we do not recommend to scrape tar off mechanically.
Excessive quantity of ash, that did not fall through nozzle (9) picture 3 into fireclay combustion
chamber, must be removed from time to time. Thus you will increase the space of fuel bunker
to original size and you will release the flow of primary air into gasification chamber. Check
the continuity of openings for the intake of primary air on regular basis. If the openings are
clogged, release them.
Combustion chamber cleaning
Sweep ash and dust that fell to combustion chamber with a scraper. It is sufficient to sweep
ash dust that settles in combustion chamber once per 3-5 days.
Exchanger cleaning
It is necessary to clean exchanger pipes once per month with a “cleaning plate”.
Put cap away, (15) picture 3, and thus you will have an access to exchanger
pipes.
Recommendation: If you do not clean the exchanger on time and it is too dirty, do not use any
dissolvent for tar. Boiler must be clean while it is hot. Heat boiler through open chimney flap
and upper door approx. at 800C ( without fan). Then close flap and door. Carefully (use
gloves) open exchanger cap. Clean dirty exchanger with relevant accessories. After cleaning,
close exchanger cap and let boiler burn / gasification/ approx 5 hours as maximum output in
order the rest of tar might burn.
Warning: Boiler room must be properly ventilated during burning.
Step
1.
Step
2.
Step
3
.
Primary air hole
Pic. VIGAS 60,80,100

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Gasifying boilers VIGAS
Air piping cleaning
The clearness of boiler piping system is a necessary condition for right burning. If you mainly
use sawdust, it is necessary to clean the piping system once per heating season. After putting
fan cover (8) picture 3 and sheet cover of piping away, you will get access to two pipes. Use
vacuum cleaner to remove sawdust and check continuity.
13. BOILER MAINTENANCE AND REPAIRS
The contractor ensures regular checks and boiler maintenance. During boiler operation, it is
necessary to check water pressure, door tightness, chimney flap tightness, exchanger cap
tightness, chimney tightness and fan performance.
NOTE: Before boiler shutting down during summer season, clean combustion chamber properly
not to leave any condensed moisture there and open bottom door and chimney flap.
13.1 Door tightness:
Boiler door are stabilized in three points, on two revolving pins and
on closing. If door does not fit tightly, besides revolving closing it is
also possible to fix it from hinge side. You can slightly turn hinge
bolt with releasing and turning nuts and thus you turn door in a
desired direction. In case of sealing rope exchange “1” is a
connecting point.
13.2 Chimney flap tightness:
When cleaning exchanger pipes (Pic. 3/22), check if flap closes tightly. Check chimney flap
(Pic. 3/16) for the same as well. Leakage may result in decreased boiler output.
13.3 Heatproof nozzle
Heatproof nozzle is block made of heatproof concrete used to mix gases with
secondary air and so efficient burning is in progress. Nozzle is located on
water cooling rack. Nozzle is surrounded with heatproof concrete in the same
height as nozzle.Nozzle lifetime depends from mechanical damage during fuel
adding or poke the fire. Therefore, the nozzle is considered as spare part.
Cracks on nozzle are not reason to nozzle exchange, this is necessary only when nozzle drops. If
the nozzle is damaged, its necesary to remove bits and pieces of old nozzle and then insert new
nozzle int the hole. Check if new nozzle fits in the hole.
13.4 Setting the position of secondary air flaps of VIGAS boiler
The quality of burning can be increased by secondary air flaps Optimal
settings form production is adjusted to 2,5 turns „1“. When change or check
the setting follow the steps:
Secondary air
Primary air
Ste
p
1. Ste
p
2. Ste
p
3.

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Gasifying boilers VIGAS
Step1: „1“ loose the safety nut,
Step2: Draw close screw „1“ in direction to the boiler,
Step3: Loose the screw, back on 2,5 turns (optimum),
Step4: Draw close the safety nut.
Safety flap is located above the fan „2“, that avert burning
without fan (chimneay draught). If boiler has lack of output ,
check flap functionality „2“.
13.5 Gases thermometer
Cleanness is important for correct functionality of gases
thermometer. Gently wipe dust from gases thermometer „1“, when
cleaning.
Important: Gases thermometer must be in correct position.
Correct position of gases thermometer „2“ – end of the metal
gases thermometer must be together with end-socket. (to
change the position of the gases thermometer, indicated value will
be changed significantly).
14. ACCESSORIES ASSEMBLY
14.1 Discharge fan The discharge fan “2” is designed to discharge boiler waste gases
from the gasification chamber during the adding of fuel into the log
magazine. Its recommended to add discharge fan if you do not meet
parameters „A“ and „B“.
Its mounted between chimney neck and chimney. Capacitor „3“ is
mounted aboard of the boiler. Electricaly connect to control board
AK 3000S. For VIGAS TVZ boiler its suppleid type of discharge fan
V 25.
14.2 Indoor thermostat
Comfort is increased with indoor thermostat connection. Indoor
thermostat is connected to mother board AK 3000S. Jumper is on T3
contact, standardly. Contact is switching, no voltage.
When T3 contact is disconnect, „OFF“ indicate on display. Fan will be
disconnected. Boiler status is indicated by symbol. After reclosre,
boiler is in „ON“ mode and boiler is activated.
Warning:
If indoor thermostat is disconnected for longer than 1 hour, then boiler will be blown through for
short time to keep glowing embers.
TURN FUEL
0 Not recommended
1 Wet wood
1,5 Wet softwood
2 Dry softwood
2,5 Dry hardwood
2,5 and
more
Very dry, hardwood, small
pieces
BOILER TYPE Min A Min B
VIGAS 25 TVZ 8 m 160 mm
Drawning with dimmensions for V25 and V80 available on www.vimar.sk

20
Gasifying boilers VIGAS
15. LIST OF GUARANTEE AND AFTER GUARANTEE
SERVICES
In order quality and safe operation might be kept, repairs of boiler must be done by authorized
specialists:
VIMAR Vigaš Pavel, Príboj 796, Slovenská Ľupča,
tel. [phone].
tel. [phone]
mail: [email protected]
See the current list of sale and service places:
www.vimar.sk ,www.vigas.eu
16. PROBLEMS SOLVING
Problem Cause/Solution
When heating with wood, boiler output is
smaller that it was when it was new.
Clean ventilation system.
Clean fan blades.
Too wet fuel.
After closing chimney flap, fuel burns a little
and then smokes.
Small volume of primary air. Clean primary ventilation
system. Check if fan flap opens.
Bigger pieces of not burn out fuel are in
combustion chamber.
Enlarged opening of nozzle. Change nozzle. Set
secondary air . See 14.4.
Smoke leaks through seal after closing
door.
Fix . See 14.1. Take out and turn sealing. Change
sealing.
It is not possible to open chimney flap. Chimney flap is glued by tar. Increase boiler operation
temperature. Use dry fuel. Increase boiler shutting
down temperature
A
fter opening upper door and chimney flap,
boiler room becomes smoky.
Small chimney effect.
Cracked fireproof /concrete/ lining. No defect. Separates combustion chamber from
gasification chamber.
Fan does not turn. It starts to turn after
turning by hand..
Starting capacitor is defective. Change capacitor.
After the position “Heating” , boiler will shut
down.
Incorrectly selected temperature of boiler shutting down.
See the chapter „Configuration of boiler shutting down
temperature“.
Boiler is shut down but fan still works. Damaged cabling to fan.
Warning signals and signs Cause/Solution
!!!STB!!! See 10.1