ATTACK PELLET 30 AUTOMATIC Plus User manual

W W W . A T T A C K . S K
BIOMASS BOILER
ATTACK PELLET 30
AUTOMATIC PLUS
INSTRUCTIONS FOR USE

3
ATTACK PELLET 30 AUTOMATIC Plus – Boiler for pellet combustion
Important information:
Boiler for wood pellet combustion.
Installation, test heat-up and training of attendance must be performed by trained service
technician, who has to fill-in the protocol about boiler installation.
Recommended boiler operation temperature is 80–90°C. Lower operation temperature may cause
creation of condensate, shorter life-time of boiler and warranty expiration.
The only fuel to use are pellets, adequate to the approved fuel specification.
Appropriate boiler output represents very important condition of economic operation and correct
boiler function. Nominal boiler output has to be adequate to thermal losses of the heated object.
It is the responsibility of the installer to ensure compliance to all relevant building regulations.
Please, read this manual before starting-up the boiler.
Keep this manual for attendance on a suitable place in the boiler room. It is recommended to
keep it in a plastic pack and to hang it on a visible place on the wall to be reached by technician,
when doing service in your boiler room.
Boiler door and connections between boiler and chimney have to be airtight.
Overpressure in combustion chamber should be at least 5 pascal (0,5 mm of water column, resp.
0,05 hPa).
The PEL30AP appliance is intended for combustion of wood pellets and it cannot be used for
combustion of other fuel types.
The PEL30AP appliance for pellet combustion can be installed in a boiler room only, in
conformity with prescriptions of the local fire safety / construction authority.
WARRANTY FOR BOILER IS NOT VALID IF:
it is not operated with prescribed fuel - pellets adequate to the approved fuel specification.
there is no mixing device Regumat ATTACK-OVENTROP installed in the system to
ensure temperature of the boiler return water over 65°C.
WARNING SIGN
Warning sign is used in this manual to prevent potential hazards by breaking the instructions. Two
types of warnings are used in this manual:
WARNING – warns about dangerous situations and situations that may cause health injury
or damage by breaking the indespansable measures.
ATTENTION – warns about less dangerous procedures that may cause safety hazard or
damage of property.

4
Contents
Important information:.........................................................................................................................3 
Contents ...............................................................................................................................................4 
Introduction:.........................................................................................................................................5 
General description ..............................................................................................................................5 
Purpose of usage ..................................................................................................................................6 
Boiler description.................................................................................................................................6 
Boiler regulation ..................................................................................................................................7 
Technical parameters ...........................................................................................................................7 
Dimensions of boiler ATTACK PELLET 30 AUTOMATIC Plus .....................................................8 
Main parts of boiler ATTACK PELLET 30 AUTOMATIC Plus.......................................................8 
Assembly and installation of boiler .....................................................................................................9 
Boiler connection scheme..................................................................................................................11 
Burner connection scheme.................................................................................................................12 
Flue connection..................................................................................................................................13 
Boiler protection against corrosion....................................................................................................14 
Binding norms for boiler projecting and assembly:...........................................................................14 
Operation prescriptions......................................................................................................................15 
Maintenance of heating system with boiler .......................................................................................17 
Recommended schemes of connection ..............................................................................................18 
Technical description of burner .........................................................................................................19 
Technical data of burner ....................................................................................................................20 
Voltage and energy consumption of burner.......................................................................................20 
Description of burner function...........................................................................................................21 
Usage of pellet burner........................................................................................................................22 
Menu buttons nad their function........................................................................................................22 
Messages on display...........................................................................................................................23 
Menu messages..................................................................................................................................24 
Production settings.............................................................................................................................25 
How to install pellet feeder and container .........................................................................................27 
Burner start.........................................................................................................................................27 
Burner shut down...............................................................................................................................27 
Emergency shut down........................................................................................................................28 
Cleaning and maintenance.................................................................................................................28 
Troubleshooting.................................................................................................................................29 
Possible causes of faults.....................................................................................................................29 
Decomposed view..............................................................................................................................31 
Accessories.........................................................................................................................................32 
Advanced menu..................................................................................................................................32 
Instructions to disposal of product after expiration of its lifetime.....................................................36 
Disposal of packaging........................................................................................................................36 
Accessories.........................................................................................................................................36 
Notes ..................................................................................................................................................37 

5
Introduction:
Dear customer,
thank you for your confidence, expressed by purchase of our product – the ATTACK PELLET 30
AUTOMATIC Plus boiler for pellet combustion.We wish it serves you well and for a long time.
Proper attendance of the boiler is one of the conditions for reliable and correct operation.
Therefore it is necessary to read this manual carefully. This manual is written with respect to the
correct boiler function.
Main conditions of the correct boiler operation are:
selection of the correct boiler type and output
impeccable commission
correct attendance
periodical technical maintenance
reliable service
General description
The ATTACK PELLET 30 AUTOMATIC Plus boiler for pellet combustion is intended for
economical and ecological heating of dwelling houses, cottages, small plants and similar objects.
Wood pellets are prescribed fuel for this boiler.
Marking of the boiler:
ATTACK PELLET 30 AUTOMATIC Plus
PELLET – Boiler for wood pellets combustion
30 – Output of boiler
AUTOMATIC – Automatic cleaning of ashtray
Plus – Automatic cleaning of exchanger by movable turbulators

6
Purpose of usage
The ATTACK PELLET is a modern boiler for wood pellet combustion. By its technology it saves
environment and offers comfort comparable with usage of gas boiler.
Boiler is intended for heating of family houses, shops, industrial objects and other similar buildings.
Boiler description
The ATTACK PELLET 30 AUTOMATIC Plus boiler burns pellets with diameter of 6–10 mm and
max. length of 35 mm.
Construction of boiler is consists from combustion chamber with partition, heat exchanger and flue
connection.
Boiler body cooled by water is a basic part of boiler. It is welded from boiler steel plates of 3–6 mm
thickness to ensure long lifetime. Tubular exchanger is equipped with turbulators, ensuring better
heat transpher into heating water. They also serve for exchanger cleaning to provide uniform
efficiency.
Combustion takes place in the burner. Optimal conditions for burning and output regulation are
ensured electronically, by controlling fuel and air supply, in dependence on the heating parameters
required by user.
Construction of burner, combustion chamber and exchanger ensures optimal burning of all
combustible contents.
Boiler is equipped with device for automatic ash removal from the bottom of combustion chamber
into the external box. Ash removing is set by production for every 12 hours.
Boiler body is insulated with mineral wool. Boiler covering is treated by powder technology.
Boiler can be accessorized with device for fuel supply and with pellet hopper of 450 l. In case of
fuel shortage or burner failure it is possible to use electrical coil up to the 6 kW output (and 450 mm
length), installed into the flange with G 6/4” internal thread on the left side of boiler. This coil can
be also used as an anti freeze protection. Coil is equipped with operating and emergency thermostat.
Its electrical installation is independent from electrical installation of boiler.

7
Boiler regulation
The ATTACK PELLET 30 AUTOMATIC Plus boiler for pellet combustion is regulated by control
panel placed on the upper covering.
1 – Main boiler switch – Plugs boiler into / off the power
2 – Burner mode switch – switches burner between stand-by and
operating mode
3 – Boiler thermostat – setting of boiler operating temperature
4 – Thermomanometer
5 – Reset button of the emergency thermostat – under cover
6 – Fuse 10 A / 250 V
Operation, parameters and settings of burner are described in the
appendix of this manual.
Technical parameters
Boiler type PELLET 30 AUTOMATIC Plus
Boiler output kW 30
Output range kW 8–30
Heat exchange area m
2
1,9
Prescribed chimney draught Pa 15–20
Max. operating water overpressure kPa 250
Pressure loss of water Pa 152 ( Δ T=10K); 38 ( Δ T=20K)
Boiler weight kg 355
Flue diameter mm 150
Boiler height mm 1220
Boiler width mm 575
Boiler depth mm 1 250
Protection of el. parts IP IP 40
Max.el.input (by ignition) W 600
Operating el. input W 90
Boiler efficiency % 90,6
Boiler class by CO emission (under EN 303-5) 5
Flue temperature by nominal output °C 143
Prescribed fuel Wood pellets d=6–10 mm, l=35 mm max.
Average consumption kgh
-1
2,4–6,9
Volume of water in boiler l 62
Range for setting of heat. water temperature °C 60–90
Connection voltage V/Hz 230/50
Prescribed temperature of boiler return water within operation is 65°C.
Recommended operating temperature of water in boiler is 80–90°C.
The ATTACK, s.r.o. manufacturer reserves right for change of technical parameters and boiler dimensions without
previous announcement.

8
Dimensions of boiler ATTACK PELLET 30 AUTOMATIC Plus
Main parts of boiler ATTACK PELLET 30 AUTOMATIC Plus
1 – boiler body 7 – turbulators
2 – covering 8 – flue collector with flue exhaust
3 – detachable ash container 9 – flow connection 1“
4 – door of control opening 10 – return connection 1“
5 – burner 11 – inlet / outlet valve
6 – tubular exchanger 12 – ash tray

9
Assembly and installation of boiler
Installation of boiler
Only the person with valid approval for installation and assembly of the heat technology devices
can install the boiler. For installation it is necessary to elaborate a project in conformity with the
valid prescriptions. Technician must check, if information on data plate comply with project and
accompanying documentation, before doing the installation. Boiler must be connected in
conformity with valid prescriptions, norms, regulations and this manual. Manufacturer takes no
responsibility for damages caused by incorrect connection, eventually by incorrect operation.
Placing of boiler
Boiler is intended for installation and operation in premises with elementary environment
(AA5/AB5) under the STN 33 2000-3. By boiler installation it is necessary to keep safety distance
of its surface from flammable materials in dependence on the grade of flammability:
from materials of flammability B, C1, C2 200 mm
from materials of flammability C3 400 mm
from materials, which grade of flammability
has not been approved under the STN 73 0853 400 mm
Examples of division of constructive materials by the grade of flammability:
grade of flammability A – inflammable (brick, block, ceramic tiles, mortar, plaster)
grade of flammability B – very difficult to ignite (heraclith, lignos, boards from bazart felt)
grade of flammability C1 – hard flammable (beech, oak, plywood, wersalit, hardened paper)
grade of flammability C2 – medium flammable (pine, spruce chipboard, solodur)
grade of flammability C3 – lightly flammable (boards from wood fibres, polyurethane, PVC,
foam rubber, polystyrene)
If boiler stands on the floor from flammable materials, it must be protected by inflammable heat
insulating pad, excessing boiler edge for 150 mm at least.
It is possible to use materials of the flammable grade A as inflammable and heat insulating
materials.
Any items from flammable materials cannot be placed on the boiler and in distance shorter than
500 mm.
When placing boiler in the boiler room, there should be free space left of at least 1 m beyond and
0,5 m from the sides and rear part of boiler. Above the boiler, there should be free space of at least
1 m. This space is necessary for ordinary operation, maintenance and eventual boiler servicing.
It is inadmissible to place the ATTACK PELLET 30 AUTOMATIC Plus boiler in dwelling
premises (including corridors)!
Air inlet
For correct boiler operation, it is necessary to ensure sufficient air supply for combustion. Minimum
area of the air inlet is 200 cm
2
.
Boiler connection into heating system
Installation and service of the ATTACK PELLET 30 AUTOMATIC Plus boiler can be performed
by trained service technician only. Before boiler installation into the older heating system, it is
necessary to flush the whole system to clean it. Heating system must be filled with water fulfilling
requirements of the STN 07 7401:1991 and its callosity cannot exceed 1 mmol/l and concentration
Ca
2+
0,3 mmol/l. By unkeeping these conditions, warranty for boiler expires!

10
Selection and way of connection of regulation and control elements
Boiler is delivered with basic regulation and control equipment. Connection of these elements is
given on connection scheme. It is recommended to extended boiler regulation for next regulation
elements for more comfortable and economical operation. Every pump in the system must be
controlled by individual thermostat to prevent boiler undercooling at the return water inlet (return
connection) under 65°C.
Connection of these elements is proposed by projectant, following specifical conditions of heating
system. Electrical installation in combination with sufficient boiler equipment must be done by
specialist under the valid norms.
Connection to electricity mains
Boiler is connected to el. mains 230 V / 50 Hz by plug with fork. Plug of M type has to be replaced
by service technician with the same type of plug. Appliance must be placed in the way enabling
attendance to reach the connection fork (under the STN EN 60335-1+A11:1997). Connection of el.
socket must be in conformity with the STN 33 2000-4-46 norm. Socket must be equipped with
middle protection stick, connected to the PE conductor. It is not permitted to use different cable
distributors and extensions. Due to safety, power inlet must be freely accessible, when being
connected to the el. mains.

11
Boiler connection scheme
NNNL
11 10 987654321
TP
33
4
133
4
TP
433
33
4
33
31
33
F
C
TK
HT
13
2
45
6
C1
C1
V
HV
42
33
TOC
1
3
COLOUR MARKING: 
– Brown – Yellow-green

– Black

– Blue

– Grey

– Orange

DESCRIPTION:
5 6
TV
K6/3
PE
N
1
2
3
4
5
6
A
B
33
1
2 3
4
5
6
N
PE
K6
/
5
1
2 3
4
5
6
N
PE
N
CONNECTION
CABLE
3
4
220V,50hz
33
433
4
4242
4
1
2 3
4
5
6
N
N
N
1
2 3
4
5
6
N
N
N
PE
K6/2 K6
/
1
4
4
NOTES: 1.When connecting TP and TV it is necessary
to remove clip between pos. 3 and 4 on terminal
2.When connecting TOC i tis necessary to
remove clip between pos. 6 and 8 on terminal
LLL
LLL
L
L
L
L
L L
L
L
3
3
3
3
3
3
3
L
L
11
L
L
L
L
L
L
HV – main switch V – burner switch TK – boiler thermostat TP – room thermostat HT – emergency thermostat C – capacitor
F – fuse 10A/250V TV – three way valve TOC– thermostat of circuit pump A – motor of ash removing B – motor of turbulator move PE – grounding terminal – flat double stick
K6/1– 6-pole connector – power supply of motors K6/2– 6-pole connector – connection with K6/1 K6/3– 6-pole connector – connection with K6/4 K6/4– 6-pole connector – connection with K6/5 K6/5– 6-pole connector – power supply of burner

12
Burner connection scheme
1
LLLLL L
NNNN
**
3
23456789 12 13 PE 15 16
033
NL
+-
EK
M
0EK
025EK025EK
EK
027
1
2
45
11
16
15
17
13
14
12
86
10 9
*
F1 F2 F3 F5
L
1 – Basic electronics
2 – Display electronics
3 – Electronics of cleaning
4 – Display
5 – Data cable
6 – Feeder
7 – Motor of ash removing
8 – Socket for feeder
9 – Ventilator
10 – Sensor of ventilator rotations
11 – Gear of cleaning
12 – Boiler temperature sensor
13 – Photocell
14 – Coil
15 – End–switch
16 – Thermal fuse
17 – Connector
F1 F800mAL250V– – Ventilator
F1AL250V
F2 – – Pellet feeder
T6 3AL250V
F3 – –Ignition
F800mAL250V
F5 – – Gear of ash removing
– Contact without potential
L1 L2
L3
PE
N
N
123
456
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
COLOUR MARKING:
– Black 
– Blue 
– Yellow–green

CONNECTION
CABLE

13
Flue connection
Flue connection must empty into chimney vent. If it is not possible to connect boiler to chimney
vent directly, appropriate extension of flue should be as short as possible (not longer than 1 m),
without additional heating area and it has to ascend in direction towards chimney. Extensions of
flue connection must be mechanically firmly joined, tight against flue leakage and easily cleanable.
Extensions of flue connection cannot lead through foreign dwelling or utility units. It is necessary to
eliminate usage of elbows and horizontal parts.
Chimney
Connection of appliance to chimney vent must always be done with agreement of the appropriate
chimney authority. Chimney vent must create sufficient draught and reliably exhaust flue into
atmosphere under all practically possible conditions. Correct dize of the chimney vent ensures
correct boiler function. Chimney draught directly depends on its diameter, height and roughness of
its internal wall. Chimney vent must be sufficiently insulated to prevent creation of condensate.
Temperature of the area of 1 m under the chimney collar cannot be lower than 60°C. Any other
appliance cannot be connected to the chimney joined with the boiler. Diameter of chimney cannot
be smaller than boiler outlet. Chimney draught must achieve prescribed values. However, it cannot
be too high, not to decrease boiler efficiency and not affect the combustion (not to disturb the
flame). In case of too strong draught i tis necessary to install throttling flap between boiler and
chimney.
Information values of chimney diameter
20 x 20 cm min. height 7 m
 20 cm min. height 8 m
15 x 15 cm min. height 11 m
 16 cm min. height 12 m
Exact chimney dimension is determined by the STN 73 42 10. Prescribed chimney draught is given
in the Technical parameters.

14
Boiler protection against corrosion
Suitable solution of this problem is usage of the mixing device Regumat Attack-Oventrop). This
solution enables creation of separate boiler and heating circuit and prevention against boiler
undercooling under 65°C. Thereby it comes to decrease of water steams condensation and acid and
tar creation in boiler exchanger and combustion chamber.
Usage of device is a condition of the valid warranty.
Regumat serves to keep temperature of the return heating
water flowing into the boiler over 65°C, when thermostatic
head is set to the 5–6th grade. Temperature of 60°C in the
return connection causes increased creation of condensate
and tar and consequently, shorter lifetime of boiler.
Technical parameters:
Clearance DN25
Max.pressure 10 bar
Max.temperature 120°C
Value kvs 3,9
The Regumat consists of three way mixing valve, circuit pump, closing valve, thermometers and
isolation. This solution is advantageous due to its compactness, easy attendance and guaranted
protection of the boilers heat exchanger.
Regumat for boiler ATTACK PELLET: ordering code - DPP25003
Binding norms for boiler projecting and assembly:
STN EN 303-5 – Heating boilers for solid fuels
STN 734210 – Design of chimneys and flue exhausts
STN 920300 – Fire safety of local appliances and heat sources
STN EN 60335-1+A11 – safety of el. appliances for household
STN 061000 – Local appliances for solid, liquid and gaseous fuels
STN 060310 – Central heating projecting and assembly
STN 060830 – Safety device for central heating and DHW
STN 077401 – Water and steam for heat energy devices with operation pressure of steam up to
8 MPa
STN 33 2000 4-46 – Electrical installations of buildings. Part 4: Ensuring safety.
STN 33 2000-3 – Electrical installations of buildings. Part 3: Determination of basic characteristics
STN 061008 – Safety of heat devices
STN EN ISO 11202 – Acustics
STN EN ISO 3746 – Acustics
STN EN 62233 – Measuring methods of electromagnetic arrays of appliances for household and
similar devices by the exposition of persons
STN ISO 80000 – Measurements and units

15
Operation prescriptions
Boiler preparation for operation
Before starting the boiler, make sure, that the system is filled with water, deareated and there is no
pressure decrease of the heating water. Check tightness and construction of flue exhaust. To ensure
quality function, the boiler must be attended in conformity with instructions given in this manual.
Only adult person can operate the boiler.
Boiler start-up
Boiler is switched to the stand-by mode by the main switch (left button of double-switch), placed on
the boiler control panel. This is signalized by red control light in the main switch. Boiler is started
by switching the burner mode switch on (right button of double switch). This is signalized by
control light in the switch. Knob of boiler thermostat has to be set to the required temperature of
heating water. By clockwise turning the thermostat is the required temperature increased and vice
versa. Fuel in the burner is ignited automatically by el. coil built inside. Boiler operation is
automatic and it is controlled by boiler thermostat and other regulation elements, that can be
connected into boiler terminal (e.g. room thermostat, programmable regulator, ...). Details about
setting the burner parameters are described in the next chapters of this manual.
ATTENTION!
Condensation and condensate leakage may occur by first heat-up. After longer heating, condesation
is eliminated.
If the boiler was out of order for longer period (turned off or faulty), it is necessary to be more
careful when starting it again. After longer idle period it may come to pump blockage or water
leakage from system.
Regular and proper cleaning is important to ensure sustainable output and boiler life-time. Poor
cleaning may cause boiler damage. All boiler door have to be tightly closed during the operation.
Fuel
By burners for wood pellets combustion:
APPROVED FUEL SPECIFICATION
Moulded wood pellets
Measured weight: 600–750 kg/m
3
Heat value: 4,7– 5,0 kWh/kg
Size/diameter: 6–10 mm
Size/length: Attention! max. 35 mm
Moisture max.: 12 %
Ash content: 0,5–1 %
Dust content: max. 3 %
Ash smoulder temperature: min. 1 100°C
Fuel must be in conformity with requirements of the norm DIN 51 731.
Methods of boiler regulation
Boiler regulation without room thermostat
For this case there is interconnection installed on contacts of boiler electrical terminal (TP-U1/ U2).
Boiler is regulated according to the boiler temperature set on the boiler thermostat placed on the
boiler control panel.

16
Boiler regulation with room thermostat
Boiler is controlled by the room thermostat, connected to the terminal contacts (TP -L1/L2) instead
of interconnection, that has to be removed. The required boiler temperature will be considered as
well. Also other type of requirement can be installed instead of the room thermostat – e.g.
programmable regulator of heating.
ATTENTION!
There is dangerous contact voltage of 230 V on the connection contacts of the room
thermostat! Boiler must be disconnected from electricity by any action into the electrical
terminal or boiler electrical installation!
Boiler protection
Boiler is equipped with emergency thermostat. If the boiler temperature exceeds 110°C, boiler
safely gets out of order. When the boiler temperature decreases, it is possible to start the boiler
again by using the reset button placed on the front control panel.
Fuel refill
Fuel is refilled in the container that belongs to the optional boiler accessories. Fuel should be
refilled before the pellets in the container are totally consumed.
ATTENTION! Fuel container can be open only when fuel is being refilled, eventually by
cleaning. Container has to be closed during the boiler operation.
Ash removing
The ATTACK PELLET 30 AUTOMATIC Plus boiler is equipped with device for automatic ash
removing into the detachable box. It is necessary to check the box 2x per season and to empty it, if
necessary. Stop the boiler for a short time, when removing the ash container.
When emptying the box (see the picture):
1. Close inlet opening into the container by pulling the lever on the container rear side fully to
the left
2. Release lever catches on container sides
3. Detach container from inlet tube of door cover by pulling it to yourself
4. Remove the ash
Do the reverse procedure to fit the container back.
When cleaning bottom of the combustion chamber, stop the boiler for a short time. Empty the iron
ashtray, eventually – sweep the boiler bottom. Ash tray is placed in the bottom part of boiler, behind
the ash tray door. Use gloves by manipulation with ash tray to prevent burning your hands. When
the ash is removed, it is necessary to put the ash tray back and to close the ash tray door tightly.
WARNING – Do not operate the boiler without the ash container fixed with the closed upper
cover (possible flue leakage) – life safety hazard!

17
1
2
3
Short-time boiler stop
If you wish to stop the boiler for a short time, turn the burner switch off and let the fuel burn down
in the burner. Do not turn off the main switch.
Long-time boiler stop
When stopping the boiler for a long time, firstly – turn the burner switch off and let the fuel in the
burner burn down. After the boiler is cooled down to 30°C, turn the main switch off and disconnect
the plug from power socket.
Maintenance of heating system with boiler
At least 1x in 14 days it is necessary to check, eventually to refill water in the heating system.If the
boiler is out of order during the winter, there is danger of water freezing in the system. Thereby it is
reasonable to drain the water out. In other cases, drain the water out only, when it is absolutelly
necessary and for as short period as possible. After the heating season it is necessary to clean the
boiler properly (after long idle period, the ash has to be sweeped out from the container / ash tray,
walls and bottom of combustion chamber have to be cleaned as well) and replace the damaged
parts.
Exchange of the door sealing cord
Remove the old sealing cord by screw driver and clean the groove, where the cord is placed. Take
new cord and put its leading end between the horizontal parts of the groove. Use hand, eventually
hammer to fit the cord into the groove along the door edge.
Fitting the hinges
After a particular period, it may come to abrasion of the sealing cord. To endure tightness of door, it
is necessary to change their position by screwing the hinges. Inspection door is fixed to the boiler
body by a long pin. Pull the pim out and screw the hinge by turning to change its position. Fit the
door and put the pin back into the hinge.
WARNING! To pull the pin of the upper door out, it is necessary to demount the upper boiler
covering. To protect the health, the boiler has to be turned off and the plug has to be disconnected
from electrical socket.

18
Recommended schemes of connection
12
43

19
Technical description of burner
Burner operation is based on principle of pellets falling from pellet feeder through inlet hose and
inlet pipe on the grate to be burned.
Burner is equipped with electric ignition device, that automatically lights pellets fallen on the grate.
Ignition begins, when thermostat gives instruction to burner. Burner has own built-in thermostat (if
there is no boiler / external thermostat, eventually combined device with room thermostat). Its
temperature sensor must be in suitable casing in the boiler´s water coat. Switch-on and switch-off
temperature can be adjusted via the burner menu buttons. Actual operation data are visible on
display.
ATTENTION! Head of boiler temperature sensor must not be treated with any contact
liquid, nor paste.
Burner output is set from production for the range of 14–30 kW and it is divided into 3 levels:
1. (14 kW), 2. (22 kW) and 3. (30 kW).
Selected output level is written on display during the operation. Output level can be selected by
burner menu buttons and displayed information. Output range can be changed in advanced menu in
two levels: 8–12 kW and 14–30 kW.
Burner is equipped with automatic grate cleaning mechanism. When thermostat achieves required
temperature, the burn-down cycle is started, the grate goes out to be cleaned by scraping. Thereby,
the longer usage period is ensured, with no need to dismantle burner from boiler body. Burner uses
control system to regulate gear of ash removing auger and gear of exchanger cleaning by
turbulators.
Boiler convection parts should be cleaned periodically to keep high efficiency of heating.
Burner is intended for combustion of wood pellets with diameter of 6–10 mm.
Burner is manufactured following the industrial norms and prescriptions and it was tested and
approved in conformity with directives about low voltage devices and with directives about
electromagnetic disturbance.

20
Technical data of burner
Model PELH30Plus
Fuel Wood pellets, 6–10 mm
Mode 8–12 kW; 14–30 kW
Output range 8–30 kW, by 2 kW
For boilers with heating chambers up to 3 m²
Weight 28,5 kg
Main voltage Main current Hz
~230 V 10 A fuse 50
WARNING! Electrical installation must be done by certified electrotechnician. Main cables
can be exchanged by approved electrotechnician only.
Voltage and energy consumption of burner
Component Mains/Volt Min./Max. voltage Fuse
Display 5 V DC 1 W ---------
Ventilator 230 V~ 15–58 W 800 mA
Circuit board 230 V~ ---------
Grate cleaning 24 V DC 10–50 W switched
Ignition 230 V~ 600 W 6.3 A
External pellet
feeder 230 V~ 15–220 W 1 A
Ash removing 230 V~ 15–220 W 1 A