Astra P-7 User Manual

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ASTRA MACHINERY PLANT AB • ANNO 1929

Astra P-7

CONTACT INFORMATION: MACHINERY PLANT “ASTRA” AB ULONŲ G. 33, LT62161 ALYTUS, LITHUANIA TEL.: +370 315 75449 EMAIL: INFOASTRA.LT WWW.ASTRAGAS.LT

USER MANUAL

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TABLE OF CONTENTS

1. SAFETY REQUIREMENTS ..................................................................................................4

2. INTENDED USE ...............................................................................................................4

3. TECHNICAL DESCRIPTION ................................................................................................5

• Components of the Stove ...........................................................................................................................................5

• Technical Features ......................................................................................................................................................6

• Circuit Diagram ..........................................................................................................................................................7

4. FUEL .............................................................................................................................8

5. PLACEMENT, ASSEMBLY AND INSTALLATION ......................................................................8

• Considerations for Placement of the Stove .................................................................................................................8

• Patterns of Installation ...............................................................................................................................................9

6. TRANSPORTATION, STORAGE, UNPACKING ....................................................................... 12

7. OPERATION..................................................................................................................13

• Display and the Remote Control ...............................................................................................................................13

• Navigating the Menu ...............................................................................................................................................14

• Menu Structure ........................................................................................................................................................15

• Setting the Clock ......................................................................................................................................................15

• Setting the Weekly Timer Programs .........................................................................................................................15

• Setting the Room Temperature ................................................................................................................................17

• Output Power Regulation .........................................................................................................................................17

• Regulation of the Room Ventilator ...........................................................................................................................18

• Setting the Fuel Options...........................................................................................................................................18

• Modifying the Setup Options ...................................................................................................................................18

8. MAINTENANCE AND CLEANING ....................................................................................... 19

• Cleaning Schedule....................................................................................................................................................19

• Exterior Surfaces Cleaning........................................................................................................................................20

• Heat Exchanger Tubes Cleaning ...............................................................................................................................20

• Ashes Drawer Cleaning.............................................................................................................................................20

• Combustion Chamber Cleaning ................................................................................................................................21

• Fire Pot Cleaning ......................................................................................................................................................21

• Vermiculite Plates Cleaning ......................................................................................................................................21

• Flame Trape Cleaning ...............................................................................................................................................21

• Flue Channels Cleaning ............................................................................................................................................23

• Pellet Hopper Protection against Burning ................................................................................................................23

• Protective Handle .....................................................................................................................................................24

9. TROUBLESHOOTING ...................................................................................................... 24

• Alerts .......................................................................................................................................................................24

• Errors........................................................................................................................................................................25

• Power Supply Failure ................................................................................................................................................25

10. WARRANTY TERMS AND CONDITIONS ............................................................................ 26

11. ACCEPTANCE CERTIFICATE ............................................................................................ 26

SELLING CARD .................................................................................................................26

STOVE INSTALLATION PROTOCOL ........................................................................................26

WARRANTY AND POST-WARRANTY REPAIR CARD .................................................................27

DECLARATION OF CONFORMITY .........................................................................................28

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Astra P-7 USER MANUAL

1. SAFETY REQUIREMENTS

The stove must be installed and tested by qualied personnel instructed and authorized by Astra representing company. Please carefully read this use and maintenance manual before installing and putting the stove into operation. For further information, please contact your local Astra dealer.

During the operation of the stove, strictly observe the following safety requirements:

• The stove is designed to be fuelled exclusively with high-quality wood pellets with a diameter of 6 mm as described in chapter 4 of

this user’s guide;

• Do not attempt to operate the stove using traditional wood!

• To avoid potential re hazards, the stove should not be used for incineration of household garbage under any circumstances!

• Before placement of the stove, check with local building codes to assure that the installation will comply with applicable technical

and legal norms;

• Installation of the stove and the electrical connections, initial function checks and adjustments must be performed by qualied and

authorized personnel;

• Improper installation or poor maintenance (not compliant with instructions of this user manual) may endanger surrounding property

and/or human health. In the case of the aforementioned product misuse, Astra is exempted of civil and criminal responsibility;

• When linking the stove to a ue, all ducting works must be completed prior to connecting to the electrical supply;

• There must be sucient air circulation in the room where the stove is installed;

• To avoid a potential re hazard, never open the door of the stove while burning goes on!

• To assure maximum safety while using your stove be sure to follow all use and maintenance operations as described in this manual;

• This pellet stove should not be operated by people with physically or mentally challenging conditions, or who have no experience

using such devices, unless they are under the direct guidance of a qualied and responsible person;

• The stove must not be operated or played with by children;

• To avoid a potential re hazard, never operate the stove with its door open, or if the door glass is cracked;

• While the stove is in operation, its surfaces, the glass, the door handle and ue ducting become very hot. Use extreme caution and

be sure to use heat-resistant personal protective equipment when touching these components;

• Kindle the stove only after the daily inspection described in this manual has been performed;

• To avoid a potential re hazard, do not dry laundry on or near the stove. Keep clothes and other ammable objects at a sucient

distance from the stove;

• For greatest safety, carefully follow the cleaning and maintenance schedule listed in table on page 19 of this manual;

• Do not turn o the stove by unplugging it from the electrical supply;

• Do not clean the stove until a body and ashes have cooled down completely;

• Do not remove the protection grid out of the pellet hopper;

• To avoid the risk of electric shock, do not touch the stove while barefoot and wet;

• The stove must be connected to the electrical supply with an easily accessible plug;

• Do not modify the design of the stove;

• Do not wait for components of the stove to become totally worn before replacing them. Replace a worn component before it

is completely disabled to prevent possible accidents caused by the sudden breakdown of the components. Perform periodic

maintenance checks as described in chapter 8 of this manual.

This stove has been designed to function in all climatic conditions. In the circumstances of particularly adverse weather (high wind, freezing), safety systems may automatically engage and switch o the stove. If this occurs, please contact technical assistance for directions. In any case, do not disable the safety systems.

2. INTENDED USE

The Astra pellet stove is an eective home heating appliance intended to heat a room with hot blown air. It simultaneously performs the function of a replace as you view the re through the temperature-resistant glass. It can be installed in all kinds of residential spaces where people work, relax or spend their time. In order to reduce any possible danger to human health and property, the stove Astra is equipped with special safety devices. For added convenience, control of the appliance can be fully automated. Once programmed, the Astra pellet stove is capable of maintaining dierent heating output levels at a variety of pre-set time intervals over the course of a day,

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Astra P-7 USER MANUAL

seven days a week; it sustains a set air temperature in the room with the help of an integrated temperature sensor; and it even makes the decision to stop the appliance if unfavourable safety conditions arise: draught of the ue disappears or has fallen substantially, the door of the stove is opened during the operation; the pellet hopper heats up; or other potentially harmful events happen. In addition, the stove can be operated by a remote control unit (available by special order).

Only 6 mm wood pellets are used for fuelling the Astra stove. The appliance is not designed to be operated with any other kind of fuel because other fuels leave a greater content of ashes and slag. The latter then will cause the re pot to clog, activating emergency stop of the appliance. In order to enjoy the pleasant heat of the stove without unpleasant interruptions, use only high-quality 6 mm wood pellets and keep the combustion chamber, re pot and ue channels of the stove cleaned at all times.

3. TECHNICAL DESCRIPTION

• COMPONENTS OF THE STOVE

Wood pellets from the hopper 4 are transported by means of the auger 5 into the re pot 19 (Fig. 1). The electrical igniter 18 kindles the pellets. The ame and hot ue gases rise to stainless steel heat exchanger 1, descend afterwards by two lateral ue channels

1 2 3

Fig. 1 Components of the stove

1. Stainless steel heat exchanger; 2. Flame trap; 3. Display unit; 4. Pellet hopper; 5. Auger; 6. Temperature sensor of the hopper safety thermostat; 7. Room ventilator; 8. Gear motor; 9. Air intake pipe; 10. Air intake ow sensor; 11. Control board; 12. Hopper safety thermostat; 13. Smoke exhaust pipe; 14. Room temperature sensor; 15. Pressure sensor; 16. Exhaust fan; 17. Smoke temperature sensor; 18. Electrical igniter; 19. Fire pot; 20. Heat exchanger tubes scraper.

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Astra P-7 USER MANUAL

surrounding the combustion chamber and are released with help of exhaust fan 16 into the chimney connection pipe 13. The room ventilator 7 draws air from surroundings and blows it through the hot heat exchanger tubes 1, thus supplying heat.

• TECHNICAL FEATURES

Our product is manufactured in accordance with the following directives:

2006/95/EC– Low voltage directive; 2006/42/EEC – Machinery directive; 2004/108/EEC– Electromagnetic compatibility directive; 89/106/EEC – Construction products directive.

The following standards were applied for the Astra P-7 pellet stove:

EN 14785 – Residential space heating appliances red by wood pellets; EN 60335-1 – Safety of household and similar electrical appliances; EN 60335-2 – Safety particular requirements for fuel burning appliances having electrical connections; EN 55014-1; EN 55014-2; EN 61000-3-2; EN 61000-3-3 – Electromagnetic compatibility.

Model of the stove Astra P-7

Heat transfer medium Air

Rated heating output 7.8 kW

Reduced heating output 2.6 kW

Period of complete burning of one full fuel load, min-max 9-30 hrs

Weight 85 kg

Height 910±10 mm

Width 453 mm

Depth 500 mm

Flue gas pipe diameter 80 mm

Air intake pipe diameter 35 mm

Capacity of the pellets hopper 15 kg

Fuel: wood pellets 6 mm

Hourly fuel consumption, min-max 0,5-1,6 kg

Heated space volume 150 m

Reduced output

0,04 %

CO emission level (at 13% O2)

Rated output

0.019 %

Minimum chimney draught 10 Pa

Average smoke temperature

Average electrical power consumption

(without igniter)

Eciency 85 %

Reduced output

Rated output

Reduced output

Rated output

145 °C

185 °C

60 W

100 W

Rated voltage 230 V

Rated frequency 50 Hz

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t°C

O01

O02

O03

O04

I01

T02

T01

GND I02 T03

GND F03 F01/02 +VIO

T2F1

SK1

SK2

1 2 3

CN5

CN7

CN9

CN4 CN10

CN8

CN1

10 11

6.3mm

0.5-1.5mm²

4.8mm

0.5-1.5mm²

ø4mm

0.5-1.5mm²

ø5mm

0.5-1.5mm²

ø4mm

4-6mm²

6.3mm

0.5-1.5mm²

15 18 16 17

LCD

• CIRCUIT DIAGRAM

The electrical circuit diagram of the stove is presented below in Fig. 2. The denomination of elements is as follows:

T1 – Room temperature sensor; T2 – Smoke temperature sensor; B1– Electrical (250 W) igniter; M1 – Fan 1- smoke exhaust fan; M2 – Fan 2- room ventilator; M3 – Auger gear motor; SK1– Pellet hopper safety thermostat; SK2 – Dierential pressure sensor;

F1 – Air ow sensor.

User interface

Service socket

Green

Braun

White

Green

White

Fuse: T 4A

Mainboard

Red

Blue

Black

Battery

Fig. 2 Circuit diagram of the stove.

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4. FUEL

The wood pellets are made from sawdust and wood shavings. The materials used for production of the wood pellets cannot contain any unnatural components, for example, synthetic glue or paint. The density of the wood pellet varies according to the type of wood and can be 1.5 – 2 times greater than that of conventional wood. The diameter of cylindrical rods is 6-10 mm and their length can vary between 10 and 50 mm. Their weight is equal to about 650 kg/m3. Due to the low content of humidity (5-10%) wood pellets have high energy content.

DIN 51731 standard denes the quality of wood pellets:

Length 10-50 mm Diameter 6 - 10 mm Weight 650 kg/m Caloric value 4.9 kWh/kg Residual humidity 6-12% Ashes content <1.5% Specic weight >1.0 kg/dm

The pellets must be transported and stored in a dry place. They

swell after contact with moisture and become unsuitable for

ring. The pellets must always be protected against humidity both during transportation and storage.

Do not put a bag of pellets on the surface



of the stove during the loading operations!

Astra strongly advices using the 6 mm diameter wood pellets for fuelling the Astra stove.



5. PLACEMENT, ASSEMBLY AND INSTALLATION

•CONSIDERATIONS FOR PLACEMENT OF THE STOVE

The residential space considered for the placement of the stove must meet the following technical requirements:

• Pipe connection to a chimney of 8 cm diameter must be installed;

• The supply of air for combustion must be assured either from other ventilated rooms through opening of at least 100 cm

from outside through the 35 mm air intake pipe;

• The permanent humidity of air in the room must not exceed 80%;

• A connection of electrical supply of 230V, 50 Hz must be installed;

• CE compliant earthing system must be present.

The placement of the stove is important for the successful heating of the room. Please, take into account the next considerations

before deciding where to place the stove:

• If the supply air needed for combustion is to be taken from another room, that room must be ventilated or have air inow from

outside. The stove can consume up to 40 m3 of air per hour at maximum, so the sucient amount of it must be supplied either from

outside or from another inner space of a house;

• The stove cannot be placed in the bathroom, near a shower or bath, or in another space with high humidity level;

• If wooden ooring is present in the desired place of installation, rst cover it with a protective re-resistant plate made from steel,

glass or ceramic;

• The room in which the stove is to be placed must have at least 30 m3 of volume;

• It is recommended to place the stove in the largest room of a house or in a room which has good connectivity with other inner spaces

of a house, so that the maximum circulation of heat would be ensured;

• Connection to the electrical supply must be done through a grounded socket. If the cable of the stove is not long enough to reach the

nearest socket, use a grounded extension cable;

• If another heating installation (stove, replace) without autonomous air supply is present in the room of considered placement of the

Astra stove, evaluate, whether there would be a sucient air supply for both appliances working simultaneously and if that kind of

double installation is allowed by local technical regulations;

, or directly

The stove must be installed and assembled only by qualied personnel.



• The stove must be placed so that easy access to it and to a chimney is ensured.

• The joints of chimney pipes must have temperature resistant gaskets in order to ensure sucient tightness of the connections;

• A separate chimney is mandatory for the Astra stove installation. It is not permitted to connect the stove to a shared ue;

• The connection of the air intake tube of the stove to an outside is not obligatory. If the air for combustion is taken from inner spaces

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YES NO

FIG.6FIG.9

YES

FIG.10 FIG.5

FIG.6FIG.9

YES

FIG.10 FIG.5

YES

of the house, these must be ventilated so that up to 40 m3 of air inow is ensured;

• Do not use a mesh on the top of a chimney because it can reduce draught and cause problems for the stove functioning;

• When designing the chimney piping for the stove, do not use more than 3 pieces of 90° bends. The biggest distance between the adjacent bends must not exceed 2,5 meters horizontally;

• If the stove is installed near non-ammable walls, a minimum distance of 10 cm should be left from the rear stove panel to the wall. This distance must be increased to 20 cm, if the wall is covered with ammable nish. In either case, a 50 cm free space must be left from lateral sides of the stove and 150 cm- from the front side. It is recommended to increase the mentioned distances further, if very easily ammable objects like curtains are present in the vicinity of the stove.

• PATTERNS OF INSTALLATION

Yes

Chimney cap for rain protection

Fig. 3 Chimney installed outside the house.

Insulated chimney tee with

condensation drain pipe

This type of installation (Fig. 3) requires an insulated ue, as the whole smoke pipe is installed outside the house. A chimney tee with an inspection cap and condensate drain pipe is mounted in the lower part of the ue.

Insulated ue

A 90° bend should not be installed as the rst connecting part – ashes would quickly obstruct a passage for smoke causing unexpected problems for draught of the ue (Fig 4).

Ashes accumulate in the 90° bend

Fig. 4 Incorrect installation - with 90° bend as the rst connecting part.

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YES

FIG.10 FIG.5

FIG.8

YES

FIG.8

YES

FIG.7

Chimney cover plate

Yes

Airtight steel sheeting

45° bend, Ø 80 mm

Chimney tee with a cap and a

peephole

Fig. 5 Smoke pipe installed partly inside a house and partly inside an existing ue.

This type of installation (Fig. 5) does not require an insulated ue as the smoke pipe is assembled partly inside the house and partly inside an existing ue. A chimney tee with a peephole cap is installed in the lower part of the ue.

Please note the use of two 45° bends in order to guarantee that ash falls into the chimney tee with the cap and the peephole.

Yes

Chimney cap for rain

Chimney tee with a cap and a

Fig. 6 Whole smoke pipe installed inside a house.

protection

peephole

This type of installation (Fig. 6), does not require an insulated ue, because the whole smoke pipe is assembled inside a house. A chimney tee with a peephole is mounted in the lower part of the ue.

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FIG.8

YES

FIG.7

2500 mm.

max.

H > 4000 mm

H > 1500 mm

YES

FIG.7

2500 mm.

max.

H > 4000 mm

H > 1500 mm

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Astra P-7 USER MANUAL

Ashes accumulate in the 90° bend

Two 90° bends cannot be assembled the way shown in Fig. 7, because ashes would quickly obstruct a passage for smoke causing unexpected problems for draught of the ue.

Yes

Fig. 7 Incorrect installation with two 90° bends.

Chimney cap for rain

protection

Insulated chimney tee with

condensation drain pipe

Insulated ue

Chimney tee with a cap and a

peephole

Fig. 8 Installation with a combined internal/external ue.

This type of installation (Fig. 8) does not require an insulated ue for the part inside the house, whereas for the outside part an insulated tube must be used. A chimney tee with a peephole is installed in the lower part of the ue inside the house. Another chimney tee is installed in the outside part of the ue making it available for inspection.

Sucient draught is essential for the eciency of all chimneys. Draught arises from temperature dierences inside and outside of the chimney, which consequently cause pressure dierences.

Weather and geographical conditions such as wind, snow, rain, altitude above sea level, fog, etc., can also have an impact on chimney draught. Among them, wind is certainly the most important. Wind generally increases draught except in cases of downdraughts,

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1 2

temperature inversions, or cross draughts caused by tall trees, hills, or buildings in close proximity to the chimney. These situations can cause the smoke to be pushed back DOWN the chimney.

The installation, placement, and design of the chimney have a direct inuence on the stove’s functioning. Any negative inuence of installation can be compensated for by reprogramming the stove controller.This adjustment must be done by qualied service personnel.

2500 mm.

max.

Insulated ue

Insulated chimney tee with

condensation drain pipe

H > 1500 mm

H > 4000 mm

Chimney tee with a cap and a

peephole

Fig. 9 Recommended lengths of parts of a combined internal/external ue

The minimum height of chimney from the stove’s smoke pipe to the chimney top is 4 meters. The recommended lengths of various parts of combined internal/external ue are presented in Fig. 9.

6. TRANSPORTATION, STORAGE, UNPACKING

The stove is to be transported and packaged in original packaging of the manufacturer, protected from precipitation and dust. It must be transported only in the vertical position, fastened to avoid sliding and falling. If the stove is transported any other way, decorative surfaces may be damaged, cladding battered, control and regulation equipment broken, or the re pot may fall down and harm the vermiculite plates. The appliance should be carefully loaded, unloaded and transported, to avoid any signicant impact. The stoves can be loaded one on the top of another, because the packaging is designed so that the stoves may be transported and stored in two decks. However, loading other objects on the top is prohibited as the packaging frame of the stove has been designed specically to support the same stove.

The stove should also be stored in a vertical position, in a closed room protected from precipitation. The air humidity of the room should not exceed 80%, in order to avoid condensate forming on the surfaces of the appliance. Storage temperatures may vary from

-40 °C to +60 °C. If the stove was transported or stored in sub-zero temperatures, then it should be moved to a place above zero for no less than 2 hours before being used.

After the stove is delivered to the site, take o the packing frame and polyethylene lm, remove the stove from the packaging base. Then check if all elements listed in a delivery kit are included. The delivery kit consists of the following: stove - 1 pc.; cable with plug for electrical connection - 1 pc.; re pot - 1 pc.; protective handle - 1 pc.; user manual - 1 pc.; remote control (only when ordered separately) - 1 pc.

The user manual is an integral part of the stove. Please, make sure that it remains with the stove, including



cases when it is transferred to another user or another place.

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Astra P-7 USER MANUAL

3 4 5 6 7 8 9 10 11 12 13

Check to ensure that painted surfaces have not been damaged during transportation, that the components are not bent, and that

the control and regulation equipment is intact. If you notice any damage or discrepancies, present your claims to the vendor company.

7. OPERATION

• DISPLAY AND REMOTE CONTROL

The remote control unit does not come in a standard delivery kit of a stove. It must be ordered separately.



The Astra stove controller consists of two parts: a display and a control board mounted near the base of the stove. The display operates by principle of capacitive touchscreen. Pushing buttons on it requires good contact with the ngertip rather than force. Therefore, the display will not react if gloves are worn while attempting to use the controller.

18 1

1617

Fig. 10 Display and the remote control unit.

1. Start/stop button; 2. Cancel/return button; 3. No fuel indicator; 4. Cleaning required indicator; 5. Servicing required indicator; 6. IR sensor; 7. Weekly timer indicator; 8. Burning power menu indicator; 9. Room ventilator speed menu indicator; 10. Temperature menu indicator; 11. Fuel quality menu indicator; 12. Time menu indicator; 13. Setup menu indicator; 14. Edit buttons; 15. Enter button; 16. Menu buttons; 17. Screen; 18. Burning power +/- buttons; 19. Temperature +/- buttons.

Button Description

This button is used to start and stop the combustion process in the stove. The process is launched or stopped by pressing the button and holding it for 1 second.

Menu buttons are intended to navigate horizontally the controller menu (look at the menu structure tree presented below). The chosen section of the menu is indicated in the upper line of indicators on the display.

Edit buttons are used for two purposes: vertical navigation (look at the menu tree) and increasing/decreasing

The infrared remote control is intended for day-to-day use when the combustion system is fully congured and operational. It is used

for changing the burning power and temperature settings, turning the combustion in the stove on and o.

In the upper part of the display, there is a line of indicators signaling various modes and alerts of the controller. The IR sensor in that

line is used for communication with remote control unit.

parameter values in the edit mode, when the selected value blinks.

Enter button is used for entering the edit mode, conrming the set parameter values or entering the lower menu levels.

Cancellation button is used for discarding the made changes and returning up one level in the menu. If you press and hold this button for more than 3 seconds, the last error or alert code will be displayed.

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Astra P-7 USER MANUAL

Clock

Time/Date

Idle display

Temperature

Power Fan

Setup

Burning power Fan speed

Room

temperature °C

Weekly timer

ON/OFF

Weekly timer

periods

Weekly timer

days

Idle display

brightness

Beeper volume

Program 1

Program 2

Program 3

Program 4

Start time

End time

Temperature

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

1. Program2. Program

Fuel quality

pellets

Key lock

Service menu

Time

Fuel

mode

The screen displays the set or current values for the currently selected menu option. Buttons help to navigate through the menu and

control dierent functions of the stove controller. The intended use of the buttons is described in the table above.

The display has an integrated beeper. The beeper generates feedback signals, when the display buttons are being pressed. The

following sound signals are available:

• Short high tone: sounds when navigating the menu and editing the settings.

• Long low tone: sounds in case of an invalid operation (wrong button pressed).

• Long high tone: in case of an alert, this tone sounds with the user-dened volume; in case of an error, this tone sounds at 100% volume; for description of alerts and errors, refer to the chapter “Troubleshooting”.

• NAVIGATING THE MENU

In order to navigate the menu horizontally, in the same level, use the menu buttons . When choosing a menu option, an icon

in the indicator line of the display lights up. At the same time, the screen indicates either the value of the chosen menu parameter, or, in the case the chosen menu section has a sublevel (for example, Time menu), the value of the rst subsection parameter.

In order to navigate the menu vertically, use the menu buttons

of a particular menu subsection briey lights up. For example, the Time menu section has a lower level menu consisting of four subsections. Each time you skip to the next subsection the number from 1 to 4 lights in the screen.

To modify a setting in the menu, press

Use

buttons to change the value. To move through the steps in the edit mode, use . buttons. When nished, press

button to enter the edit mode for the selected setting. The screen value starts blinking.

button to save the setting and exit the edit mode. The display returns to the menu entry you have just edited.

The screen of the display shows the set value or the actual measured value, depending on the setting. For example, when you edit

the temperature, you enter the desired room temperature. After you exit the edit mode, the screen indicates the actual measured temperature which may dier from the set temperature. When you edit, for example, the burning power setting, the screen indicates the set value.

To exit the edit mode without saving the changes, press

button. This button is also used for returning up one level in the menu. For example, if you are editing the Program 3 in the Weekly Timer Periods menu subsection, press the Cancel button to discard the changes and return to Program 3. Pressing the Cancel button further moves you to Weekly Timer Periods, then - to the Clock menu section.

. When navigating the lower sublevel of the menu, a number

Fig. 11 Menu structure

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Astra P-7 USER MANUAL

• MENU STRUCTURE

The menu structure tree (Fig. 11) exhibits all consisting menu entries. The values of parameters are chosen for purpose of illustration

only. The buttons used to reach a particular menu entry are depicted near it.

• SETTING THE CLOCK

The controller enables you to set the current time, date and weekly timer programs. These settings do not disappear even after power supply

failure because the controller has a long-lasting battery. To look up at the current time, press The current time is indicated on the screen

value from 1 to 4 will shortly light up in the screen, when passing each subsection.

Clock and date setting mode. Press button and change the desired values.

. To turn to the other Time menu subsections, use buttons. The numerical

button to enter the Time menu section.

With buttons set the desired hour. Press .

With buttons set the desired day. Press .

With buttons set the year value. Press .

With buttons set the minutes value. Press .

With buttons set the month value. Press .

• SETTING THE WEEKLY TIMER PROGRAMS

Weekly timer activation. Press button and enter the edit mode. With buttons choose the desired value.

Weekly timer is switched o.

Weekly timer is switched on. The icon in the indicator line lights permanently.

The rst step in weekly timer programming is to describe the time intervals- programs. The description consists of specifying the interval start time, the end time and the desired temperature. Then, the desired programs are assigned to each day of a week. The controller permits you to create up to 6 dierent timer programs and to assign a maximum of 3 of them to each day of the week. The

programs with start time in one day and end time in the next day are also allowed. When the weekly timer is active, the icon

the indicator line lights permanently.

Creating and editing the weekly timer programs. Press button and enter the rst program edit mode. Use

buttons to skip to another programs for editing.

First program. Press button and enter the desired values.

With buttons set the start time value. Press .

With buttons set the end time value. Press .

With buttons set the desired temperature of the program. Press for conrmation.

Second program. Press button and enter the desired values.

With buttons set the start time value. Press .

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Astra P-7 USER MANUAL

With buttons set the end time value. Press .

With buttons set the desired temperature of the program. Press for conrmation.

(the third, fourth, fth programs are skipped for the purpose of illustration)

Sixth program. Press button and enter the desired values.

With buttons set the start time value. Press .

With buttons set the end time value. Press .

With buttons set the desired temperature of the program. Press for conrmation.

Assigning programs to week days. This is performed after the programs have been created (see above). Press button and enter the Monday edit mode. With

Monday. 3 dierent programs can be assigned to each day of a week. Press button and enter the desired values. If only 2 programs are planned for a particular day, choose option OFF for one of the entries.

With buttons set the desired program number. Press .

With buttons set the desired program number. Press for conrmation.

Tuesday. 3 dierent programs can be assigned to each day of a week. Press button and enter the desired values. If only 2 programs are planned for a particular day, choose option OFF for one of the entries.

With buttons set the desired program number. Press .

With buttons set the desired program number. Press for conrmation.

buttons skip to another week days for editing.

(Wednesday, Thursday, Friday, Saturday are skipped for the purpose of illustration)

If two programs with overlapping operation time are assigned to the same day of the week, the controller,



during the overlap period, performs the program with higher title number. For example, program P6 will

have priority against P3.

Sunday. 3 dierent programs can be assigned to each day of a week. Press button and enter the desired values. If only 2 programs are planned for a particular day, choose option OFF for one of the entries.

With buttons set the desired program number. Press .

With buttons set the desired program number. Press for conrmation.

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An example of created programs is presented in the table below:

P1 Program P2 Program P3 Program P4 Program P5 Program P6 Program

On O On O On O On O On O On O

23:00 4:30 4:30 7:30 17:00 23:00 00:00 7:30 7:30 24:00 7:30 23:00

16°C 19°C 19°C 16°C 19°C 16°C

The above mentioned programs are displayed in the time intervals diagram:

Day/Time 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

(d1) Monday (d2) Tuesday

(d3) Wednesday

(d4)Thursday

(d5) Friday

(d6) Saturday

(d7) Sunday

[P1] 16°C [P2] 19°C [P3] 19°C

[P4] 16°C [P5]19°C [P4] 16°C [P6] 19°C

• SETTING THE ROOM TEMPERATURE

The stove is capable of sustaining the desired room temperature. It has a room temperature sensor for that purpose. The sensor must be placed as far from the stove as its cord allows. The stove reacts to indications of the sensor and increases the heating power after the air in the room has cooled down. When the temperature in the room rises, the stove decreases the heating power or even stops. There are two ways to set the desired room temperature:

• use weekly timer programs;

• set the room temperature manually.

When using weekly timer, you describe time intervals for each day of a week and assign the desired temperatures to them. For more information about time programing see the previous chapter Setting the Weekly Timer Programs.

It is also possible to set the desired room temperature manually. If a weekly timer program is active at the same time, the manually set room temperature temporary gains priority. This priority disappears, when the current weekly timer program ends. When the next time program starts, the room temperature again is controlled by the weekly timer.

To view a current room temperature, press temperature value is indicated on the screen.

Actual measured room temperature.

To set the desired room temperature, press or decrease this value with buttons.

Target temperature value blinks.

When nished, press

button for conrmation. The actual measured room temperature is indicated on the screen again.

button to enter the Temperature menu section. The actual measured room

. button. The screen indicates the target temperature in the blinking mode. Increase

The room temperature can be set and changed with remote control as well. It is treated by the controller the



same as a manual setting.

• OUTPUT POWER REGULATION

The output power denes the maximum burning power level which will be used by the stove to heat the ambient air. There are six power levels:

a rotations quantity of pellet transporting auger per time period and the quantity of supplied air for combustion simultaneously. Thus, more pellets and more air are supplied to the burning pot. If the target room temperature is set, the stove chooses the optimal burning power level itself. You can interfere with this process and set, for example, a higher power level if you want the stove to achieve the target room temperature faster. When your goal is to decrease the consumption of pellets, you can diminish the burning power level. In either case, the stove lowers the burning power level itself for better economy, after the target room temperature has

. The stove increases burning power by raising

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Astra P-7 USER MANUAL

been achieved. By default, when you do not set the power level manually the stove controller returns to the automatic power mode. Then the symbol

shows on the screen.

To view the burning power setting, press

on the screen. If fastest possible room heating is required, set the burning power on the highest level

The burning power level can be set and changed with remote control as well.

button to enter the Power menu section. The current power level value is indicated



• REGULATION OF THE ROOM VENTILATOR

The controller enables you to change the rotational speed of the room ventilator. There are six levels of the speed:

. We recommend you to let the stove itself decide upon the rotational

intensity. For this option, the speed setting stove would rather set a desired room temperature with weekly timer or manually and let the stove to decide itself which burning

power and rotational speed levels are most appropriate in the given situation.

must be chosen. The optimal stove control principle requires that a user of the

• SETTING THE FUEL OPTIONS

The Fuel menu section enables you to select the fuel quality. The quality of pellets are expressed in the following values:

. These values stand for the moisture content in pellets. The dryer the fuel, the higher fuel value in this menu

section must be chosen.

The fuel quality option in this stove is deactivated. The fuel value 1 is set irreversibly.



• MODIFYING THE SETUP OPTIONS

The Setup menu section enables you to set the options for Key lock, Idle display brightness, Idle display mode, Beeper volume and

view service information.

The Key lock option enables you to lock the keyboard on the display in order to prevent accidental changes of the settings. With the key lock enabled, you can navigate the menu to display current values, but you cannot edit any of the settings, except the Key lock itself. Note that this option does not disable the remote control. The Key lock setting oers the following options:

The Key lock is disabled, all buttons are operational.

The edit mode is disabled. The Enter button is locked.

The edit and the power on/o modes are disabled. The Enter button and the Power button are locked.

We recommend using the Key lock option, when cleaning the display.



The display brightness in the idle mode can be set from 1 to 5 or set to turn o after 30 seconds.

The display switches o after 30 seconds. The lighting is restored after pressing any button.

Brightness of the display is 1.

... ...

Brightness of the display is 5.

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The Idle display mode has the following options:

The display stays in the last selected menu section. In case the menu has been in the edit mode, the changes are discarded and the edit mode is exited.

The display exits the last selected menu section and cycles between a current room temperature and a clock.

<-> The display exits the last selected menu section and moves to the Temperature menu. The actual measured room temperature is displayed on the screen. The display exits the last selected menu section and moves to the Time menu. The current time is indicated on the screen. Beeper volume setting enables the user to change the volume of the display signals from 1 to 5 or switch the

beeper o.

The beeper is o.

The sound level is 1.

... ...

The sound level is 5.

The controller information menu subsection. Used for service purposes.

Version of the controller main board.

Version of the controller display.

The service menu subsection. Access for the authorized service personnel only.

The random 4-digit number combination is indicated on the screen.

To modify the setup options, press To move between the setup options, press buttons to display the settings. To change a setting, press button and use buttons to increase/decrease the selected values. When nished, press button to conrm the set value.

button to enter the Setup menu section. The set idle display brightness value is displayed.

8. MAINTENANCE AND CLEANING

Regular cleaning is of crucial importance for the continued operation of the stove. Failure to follow the cleaning schedule, or the use of dirty fuel can clog the inner spaces of the stove. These impurities can hinder air supply to the combustion chamber and cause the stove to stop working. To prevent this outcome, it is highly recommended that the user perform the cleaning activities specically as described in the following chapters.

• CLEANING SCHEDULE

Tasks/ Frequency Fire pot cleaning o Ashes drawer emptying o Door glass cleaning o Flame trap cleaning o Exchanger tubes scraping o Combustion chamber vacuuming o Pellet hopper vacuuming o Flue channels cleaning o Door gasket changing o Chimney cleaning o

Daily Once per 2-3 days Once per 30 days Once per 60-90 days Once per season

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Before starting cleaning works, make sure that:

• The electrical supply switch on the rear panel of the stove is OFF;

• All stove components and ashes have cooled down suciently;

• Suitable tools will be used for cleaning;

• The electrical cable is unplugged when ue channels are to be cleaned.

When cleaning the combustion chamber, be careful and do not clog the pressure sensor’s pipe which



is mounted inside, on the left wall of the chamber, under a vermiculite plate. The pipe must remain

unobstructed.

The frequency of maintenance and cleaning depends directly on the quality of pellets used. Burning high quality pellets allows you to devote less time and attention to cleaning activities, and to increase the periods between cleanings. Vice versa, bad quality pellets will require shorter intervals between cleaning tasks. The quality of the pellets and a sound adjustment of combustion are essential to the reliable operation of the stove.

The pellet stove is a generator of heat and technically sophisticated appliance. Therefore, we strongly recommend servicing by qualied personnel at least once a year, at the star t of the heating season to ascertain and ensure the continued function and eciency of all the stove's components.

• EXTERIOR SURFACES CLEANING

To clean the surfaces on the painted metal parts, use a cloth slightly moistened in water. If necessary, mild soap may also be used. Rub the surfaces gently and with care.

Do not use any aggressive detergents



or solvents – they can cause serious damage to the surfaces of the stove. Do not scrub excessively the metal paint - the structured paint surface changes its shading because of rubbing impact.

• HEAT EXCHANGER TUBES CLEANING

The heat exchanger is composed of stainless steel tubes. Smoke ows constantly around the outer surface of the tubes leaving soot residues on them. These residues must be removed every 2 days of operation. For this purpose, inside the heat exchanger there is a scraper which brushes the tubes' surfaces like a comb. Pull the handle of the scraper 1 ( Fig. 12) towards yourself. To complete the cleaning session, push and pull this handle till halting several times.

Fig. 12 Frequently inspected elements and their locations.

1. Scraper; 2. Combustion chamber; 3. Fire pot; 4. Ashes drawer.

• ASHES DRAWER CLEANING

The ashes drawer must be cleaned daily or every 2 days, depending on the length of time the stove is used and the quality of pellets used. To access the ashes drawer, open the door, remove the ashes drawer 4 (Fig. 12) and empty it.

Fig. 13 Clean re pot. No residue inside, all the holes clean and visible.

Fig. 14 Pot with the holes blocked by ashes. Cleaning required.

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•COMBUSTION CHAMBER CLEANING

Clean the combustion chamber every 2 days. Use a drum-type vacuum cleaner for cleaning the combustion chamber. Make sure

that no ashes are left after the cleaning session.

• FIRE POT CLEANING

A clean re pot is of essential importance to assure uninterrupted stove operation. During the combustion process, increments of ashes and slag ll up the holes of the pot (Fig. 14). These increments must be removed immediately because they block the air ow. Inspect the holes frequently and make sure that the holes on the bottom as well as those on the sides of the pot are clear and fully open (Fig. 13). Failure to keep these holes clear leads to clogging, reducing the air supply and nally to automatic shut-o of the stove.

Timely and scrupulous cleaning of the re pot prevents problems that in the longer term could require the intervention of a technician to repair the stove.

• VERMICULITE PLATES CLEANING

The combustion chamber of the Astra pellet stove is lined with three vermiculite plates (Fig. 15). Vermiculite has high resistance to heat, is lightweight and has excellent insulation properties. All these features ensure good combustion and eective performance of the stove.

Fig. 15 Vermiculite plates kit.

During the combustion process, the vermiculite plates turn white giving the ame clear and shining look. When combustion is regulated properly, the surface of these plates remains clean and white. Thus, the plates act as indicator – a light colour indicates that the combustion quality is high, a dark colour signals that combustion quality is poor.

• Vermiculite plates do not require any specic maintenance. Gentle cleaning with a brush to remove any ash residue is all that is

necessary.

• Do not use any abrasive sponges to clean the most resistant spots – they could diminish the thickness of the vermiculite plates thus

creating critical points that may result in cracking.

• Do not use any wet cloths to clean the plates.

• Do not use the tube of a vacuum cleaner in direct contact with the vermiculite plates. Work keeping the tube’s head withdrawn at

a safe distance from the plates.

Vermiculite is resistant to heat. However, it



is fragile and not resistant to knocks. Please, do not exercise strength; handle it with care when moving.

Slight abrasion can appear on the vermiculite plates after a few hours of ring. This is absolutely normal as the ame creates microgrooves in the surface of the plates without imposing considerable damage. The lifetime length of the vermiculite plates depends only on how carefully their maintenance is performed.

Clean the vermiculite plates only after they



have cooled down. Use a vacuum cleaner to

remove the ashes.

• FLAME TRAP CLEANING

The ame trap must be taken out and cleaned every 2 days. Perform this procedure after the stove cools down completely. Fig. 16 presents the sequence of the ame trap removal.

The ame trap is located inside the combustion chamber, in its top part. It rests on two supports – the front and the rear one.

Fig. 16 Removing the ame trap.

1. Rear support; 2. Front support.

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Astra P-7 USER MANUAL

Fig. 17a

Fig. 17 Removing the top cover of the stove.

Fig. 17b

Fig. 18a

Fig. 18 Opening the inspection hatches of the ue channels.

Fig. 18b

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Astra P-7 USER MANUAL

Grasp the ame trap; pull it towards yourself until the lower part of the trap gets loose. Then, pull down it, remove the ame trap from the chamber and clean. When done, work in the opposite sequence to place it back.

• FLUE CHANNELS CLEANING

The ue channels must be cleaned from combustion approximately once every three months. This period strongly depends upon the quality of wood pellets. For this type of cleaning, it is recommended to consult with the technician who has installed the stove.

Use a drum-type vacuum cleaner only.



The ue of the stove has two channels: at the left and at the right side of the combustion chamber. These channels join together into one smoke passage box near which the exhaust fan 16 (Fig. 1) is mounted. To access the inspection hatches of the ue channels, both lateral panels and top cover of the stove must be removed. Before removing the top cover of the stove, the display has to be taken out and disconnected. Work in the following order:

1. Remove the frame of the display. Using thin vertical screwdriver, locate two gaps in the left and the right side of the plastic frame

of the display. Turn the screwdriver inside those gaps, gently separate the frame from the display (Fig. 17a).

2. Take out the display. Use a PH1 size cross screwdriver to unscrew four screws fastening the case of the display. Lift the display (Fig. 17a).

The display is connected to the



controller board by RJ11 type data cable. Do not forget to disconnect the cable before taking out the display.

3. Remove the rooftop cover. Unscrew six M5 bolts in the top rear side of the stove: three on the left and three on the right side (Fig. 17b). Push the cover towards the rear panel of the stove until its holders get loose (Fig. 17). Then lift the cover and remove it.

4. Remove the lateral panels of the stove. Unscrew bolts fastening the panels near the front grates at the top part of the stove (Fig. 18a) and in the front and the rear sides of the base plate of the stove. Raise the panels and remove them (Fig. 18).

5. Open all four the inspection hatches. Unscrew pairs of M5 bolts, remove gaskets and inspection lids (Fig. 18b). Clean the ue channels in both sides of the stove.

• PELLET HOPPER PROTECTION AGAINST BURNING

The pellet hopper has a protection from overheating and burning: the temperature sensor 6 and the thermostat 12 (Fig.1). They operate independently from the controller. If for any reason the hopper starts overheating the thermostat stops the stove by interrupting the electrical supply.

To restart operation of the stove, remove the thermostat cover 2 (Fig. 19) and depress the button behind it.

Fig. 19 1. Protective handle; 2. Safety thermostat.

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• PROTECTIVE HANDLE

There is a place on the rear panel of the stove projected for hanging a protective handle 1 (Fig. 19). It is intended to prevent direct contact of human hands with hot surfaces of the stove when doing maintenance. Use this handle as a tool, when pulling the scraper’s handle out of the front grate and for other actions that require touching hot surfaces and elements of the stove.

9. TROUBLESHOOTING

The stove display provides warnings for alerts and errors which can occur during the operation of the controller. The alarm icons in the indicator line of the display signal a problem. An alert notication is indicated by blinking icons, errors are indicated with continuously lit icons. In case of an alert, the combustion system remains operational. In case of an error, the combustion system has malfunctioned seriously and is disabled. To solve the problem, a service technician should be contacted.

Each alert and error has a code which can be used to identify the problem. To display the code, press and hold the Cancellation button for 3 seconds. If there is no information on the alert/error code, the screen shows ----.

• ALERTS

No fuel

Indication:

Icon No fuel is blinking

Code: ---- Cause: When the fuel in the hopper runs out, the

notication is triggered. The combustion system turns o and cannot be restarted.

Combustion chamber or chimney is dirty

Indication:

Icon Cleaning is blinking

Indication: Icon Cleaning is blinking

Code: A003

Code: ----

Cause: The combustion chamber or the chimney are

dirty and require cleaning. There is too much ash or unburned pellets in the combustion chamber; and/or the chimney is congested with soot.

Low battery

Indication:

Icon Service is blinking

Code: A004 Cause: The controller battery gets discharged. The

combustion system is still operational.

Fan 1 – the exhaust fan- speed sensor failure

Indication:

Icon Service is blinking

Code: A005 Cause: The speed sensor of the exhaust fan is

malfunctioning. The combustion system is still operational.

Solution: Rell the pellets hopper. Delete the alert by pressing and holding the Start/stop button on the display.

Solution: Inspect and empty the combustion chamber or contact service personnel to sweep the chimney.

Solution: Contact service personnel to change the controller battery. Do not attempt to change the battery on your own.

Solution: Contact service personnel.

Pressure sensor failure

Indication:

Icon Service is blinking

Code: A007 Cause: The pressure sensor has malfunctioned. The

combustion system is still operational.

Regular maintenance required

Indication:

Icons Service and Cleaning is blinking

Code: A002 Cause: The time to the next service has run out. If set up by

service personnel, the Time to service counter counts time in hours in the reverse direction. When this counter reaches zero, the Service icon starts blinking. This value is read-only and can be modied by authorized personnel only.

Solution: Contact service personnel.

Page 25

Remote control battery empty

Astra P-7 USER MANUAL

Indication: Remote control is not responsive

• ERRORS

Service required

Indication:

Icon Service lights constantly

Cause: The battery of the remote control is empty. The remote control uses the CR2025 or CR2032 battery.

Code

E001: Keyboard error E002: IR communication error E003: RF communication error E004: MB communication error E101: Fire error E105: NTC2 error E106: NTC3 error E107: TC2 error E108/109: Security switch or Pressure switch error E110: NTC1 error E111: TC1 error E112: Pellets hopper overheating error E115: General error

Solution: Replace the battery. Refer for the instructions to the back side of the remote control unit.

Cause: The combustion system has malfunctioned and not operational.

Solution: note the error code and contact service personnel.

Unspecic errors on the display

Indication:

Icon Service lights constantly

Unknown error is displayed on the screen Cause: Certain information

• POWER SUPPLY FAILURE

During power supply failure, the controller remains active due to internal battery. Its internal status remains as it was before the power failure. Internal electronics runs in power saving mode consuming very little amount of energy.

In case of the power supply failure, the controller operates as follows:

Duration of power supply failure

Less than 1 minute

More than 1 minute

Solution: disconnect and

stored in the controller is updated to the display at startup moment, for example, conguration data.

then reconnect the display to reset it. If the problem persists, contact service

personnel for support. An unexpected error appears on the screen when making changes to the controller settings.

Operation before the power supply failure

Fire up phase The controller continues normally.

Burning phase

OFF phase Remains OFF.

Fire Up phase The controller continues normally.

Burning phase

OFF phase Remains OFF.

Operation after the power supply failure

The controller checks the flue gases temperature and continues in the Burning phase or restarts in the Fire Up phase.

The controller checks the ue gases temperature. If the ue gases temperature dropped below some setting (PAR56), the combustion system restarts in the Fire Up phase, otherwise it continues in the Burning phase.

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Astra P-7 USER MANUAL

10. WARRANTY TERMS AND CONDITIONS

The manufacturer provides a warranty for the stoves, the main conditions of which are the following:

• the installation of the stove as well as the initial kindling, adjustment and repairs are carried out by an authorised company;

• the stove is installed and operated following the requirements of this operation manual;

• the client presents this operation manual with validated selling card form in it;

• the duration of the warranty period for the stove is 24 months with the exceptions of the below presented components;

• the warranty does not apply for the following components of the stove:

- vermiculite plates;

- door glass;

- gaskets;

- ignition element.

• the warranty repairs are performed when the fault has occurred due to the manufacturer’s fault;

• damages originated from transportation, careless storage and handling will not be covered by the warranty. The claims for such kind of damages should be presented to the vendor company;

• the warranty term is not extended after removing the faults which have occurred during the warranty period;

• cleaning of the stove and installation works are not covered by the warranty;

• the damage caused to the premises and the property in the premises, human health due to the stoves fault will not be compensated;

• the warranty repair works and replacement of parts during the warranty period are free;

• the warranty period starts from the stove purchase date;

• all the warranty obligations of the manufacturer are listed in this chapter; the manufacturer cannot be held responsible for additional obligations undertaken by third parties.

11. ACCEPTANCE CERTIFICATE

The stove Astra P- 7, serial No. ................................., conforms to the technical documentation, requirements of the standard EN

14785 and is approved as t for operation.

Manufacturing date 201 ................................................................

L. S.

Head of Quality Service ..................................................................

SELLING CARD

Pellet stove sold by:

Company: ..............................................................................................................................................................................................

Address: .................................................................................................................................................................................................

Telephone: .............................................................................................................................................................................................

Date of sale: ...........................................................................................................................................................................................

Signature: ..............................................................................................................................................................................................

STOVE INSTALLATION PROTOCOL

Pellet stove installed by:

Company (Technician): ...........................................................................................................................................................................

Installation date: ...................................................................................................................................................................................

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Astra P-7 USER MANUAL

Installation data:

Height of the chimney: ...........................................................................................................................................................................

Diameter of the ue: ...............................................................................................................................................................................

Draught of the chimney: ........................................................................................................................................................................

Other information concerning installation: ............................................................................................................................................

...............................................................................................................................................................................................................

The pellet stove was tested on site, the control and safety elements were checked and found to be operating properly.

Person responsible for installation and testing: .....................................................................................................................................

(Name, surname, signature of the employee)

I accept the installation works: ..............................................................................................................................................................

(Name, surname, signature of the employee)

WARRANTY AND POSTWARRANTY REPAIR CARD

Pellet stove repaired by:

Company (technician): ...........................................................................................................................................................................

Repair date: ...........................................................................................................................................................................................

Information on fault, works performed: ................................................................................................................................................

Signature of the technician: ...................................................................................................................................................................

Pellet stove repaired by:

Company (technician): ...........................................................................................................................................................................

Information on fault, works performed: ................................................................................................................................................

Signature of the technician: ...................................................................................................................................................................

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Astra P-7 USER MANUAL

DECLARATION OF CONFORMITY

Manufacturer: Machinery plant “Astra” AB. Address: Ulonu g. 33, 62161 Alytus, Lithuania. Product designation: pellet stove Astra P-7.

Our product is manufactured in accordance with the following directives:

2006/95/EC– Low voltage directive; 2006/42/EEC – Machinery directive; 2004/108/EEC– Electromagnetic compatibility directive; 89/106/EEC – Construction products directive.

The following standards were applied for the Astra P-7 pellet stove:

EN 55014-1; EN 55014-2; EN 61000-3-2; EN 61000-3-3 – Electromagnetic compatibility.

Viktoras Bondarevas Head of Heating Products Division AB machinery plant Astra

Astra P-7 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual