Guca THERMO LAVA Guida utente

Solid fuel-burning stove

* THERMO LAVA *

INSTRUCTION FOR INSTALLATION

AND OPERATION

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Dear customer,

First of all we would like to thank you for having chosen us and your trust in us will not

be failed, as Thermo stava is, due to its design and characteristics, the leading product in

category of the similar products due to its features and design. Become introduced with its

characteristics and possibilities, read the Instruction carefully and follow it in order to avoid

irregularitiries in the stove operation.

Yours sincerely,

CONTENTS:

1. Introductory notes

2. Technical characteristics

3. Installation

4. Flue

5.Wood

6. Cleaning of the stove

7. Consumables

8. Summer pause and recommendation for the season

9. Solutions of the problems

10. Draught regulation

11. Secondary air control

12. Fire safety

13. Air entrance into the installation place during combustion

14. Lighting

15. Normal operation

16. Operation in transition period

17. Cleaning

18. Environment protection advices

1. INTRODUCTORY NOTES

Read the instructions carefully and follow the rules and recommendations.

Hereinafteryou willndthe dataregardingthestoveitself,as wellas therecommendations

for the installation and maintenance of the stove.

The eciency of a stove depends on its correct installation, which must be carried

out by a professional following the highest standards and the safety regulations in force.

The place you intend to install the stove must have sucient airspace and the oor

and surrounding object must be made of a non-ammable material.

Pay attention to the bearing capacity of the oor. In case that the oor cannot endure

the weight of the stove, it is necessary to reinforce it or set additional girders respecting

advices of experts. Moreover, if there is a ammable oor, it must be protected by an

insulating plate (steel, brass, marble, stone, etc.), which extends at least 50 cm from the

front and at least 15 cm from the sides.

Do not place armchairs, seats, curtains or any other ammable objects unmentioned

here within 100 cm from the stove, as well as within 70 cm on the sides, and 40 cm from

the back side.

The cast iron parts are protected by heat resistant paint and during the rst few

exploitations smoke and smells which are products of paint stabilization occur. The room

has to be properly ventilated. Avoid the presence of children, pregnant women, and

persons with breathing problems during the rst few lightings of the stove.

The stove is to work with the doors closed. Open the door only in the case of fuel

addition. Open the door slowly in order to equalize the pressure. Abrupt door opening

can cause smoke suppression. Add fuel only when ember is created and when there is no

intense ame.

Avoid using the stove under circumstances of unfavorable weather conditions and

strong wind.

The stove is heated during operation, so take the necessary measures of precaution.

The door handle is heated during operation so use a glove when opening the door. Do not

touch hot parts of the stove (above all cast parts, plate, and visible brass parts).

Children should not be allowed to play near the stove or handle it.

When lling the system with liquid, make sure that there is no air left. Do not use the

stove without liquid in the system.

Provide continuous ow of fresh air into the room where the stove is installed

because combustion uses the oxygen from the room.

Do not allow overheating of the stove parts because the stove will not be safe then

and its exploitation duration will be shortened.

Donotusethestoveforthecombustionofwaste,inappropriateandunrecommended

fuels.

Parts of packing should be properly disposed. Elements from cardbox, wood or

plastic which are entered into the furnace space should be taken out before putting the

stove into operation. Be careful when taking out the packaging because wooden bars are

connected with nails.

Dispose the stove you no longer wish to use at locations envisaged for such disposal,

respecting ecological regulations and local requirements for disposal of waste materials.

Only the spare parts which are allowed by the manufacturer are to be installed on

the stove. No changes must be made on the stove.

INCASEOF NON-OBSERVANCEOF THE MANUFACTURER’SINSTRUCTIONS,THE

MANUFACTURER DISCLAIMS ALL RESPONSIBILITIES FOR POSSIBLE DAMAGE.

2. TECHNICAL FEATURES

Denition: solid fuel-burning stove tested according to: EN 13240

Construction system *

Total power ( kW) 15.5

Power given to water ( kW) 9

Power given to room ( kW) 6,5

Optimal water temperature (C) 71 - 78

Maximum working pressure (bar) 2

Nominal power (kg/h) 4

Cauldron capacity ( l ) 10

Eciency ( %) 82

Smoke pipes diameter ( mm) 120 150

Heating volume (m3) 190 - 250

Medium content CO with 13% O2 ( %) 0.1

Weight (kg) 155kg

Size of hearth opening, width x height ( mm ) 340x286

Hearth size, width x height x depth ( mm ) 366x270x266

Width x height x depth (mm) 540 x 946 x 493

Accessory: glove

 * Hearth door is closed automatically

 * Hearth door is not closed automatically

3.INSTALLATION

1. Chimney plug 9. Ahtray 17. Door

2. Back side 10. Culdron 18. Front side

3. Draught regulator 11. Primary air regulator 19. Button for secondary air regulation

4. Back side protector- brass 12. Lever of grid 20. winding bar (M8)

5. Back side- smaller 13. Door handle 21. stove frame- base

6. Hip side 14. Draught regulator button 22. smoke router

7. Hip side - smaller 15. Door-small 23. frame plate- kidney

8. Leg 16. Door handle 24. plate-frame

The stove is connected to the ue via appropriate smoke pipes so that the adequate

tightness and smoke ow to the ue. The smoke pipe must not be set too deep into the

ew in order not to decrease the surface of the cross-section and by that disturb the

draught in the ue.

The stove oers possibility of exhaust of smoke gasses from the upper (position 1) or

back (position 2) side of the stove via appropriate couplings.

As a standard, a lid is set on the vack side, and the coupling for connection with the

smoke pipes is assembled on the upper side. The lid and the coupling are connected via

bolts.

In case you want to set the smoke drain on the back side, unscrew the bolts which

connect the drain lid and the back side of the stove and x the smoke drain coupling at

that location. Connect the lid with the plate-frame via bolts (position 24) at the envisaged

place. Take care that the sealings which are located on the lid and the coupling are in

cannals and suciently tightened so that the smoke does not pass.

Connecting the cauldron to the central heating system

Thermo Lava has a cauldron with a pipe exchanger which has been made from

high-quality cauldron steel. The couplings for water are pipes of 1”, made from the same

material.

The stove is primarily intended for

heating via separation of warm water. For the

intake and the exhaust of the water into the

system the couplings of 1’’ on the cauldron

are envisaged. The stove can be assembled

on to the open or closed heating system,

as shown on the pictures 3, 4 and 5. For the

closed system there are two recommended

ways of connection, depending from the

pump position.

Inherent part of the derived installation

is the valve for thermal exhaust which serves

as a thermal fuse for possible overheating.

Valve for thermal exhaust Cale 544 ½ which

is shown on the picture 2 is recommended.

Valve for thermal exhaust with double

eect is great at solving safety problems in

heating installations for stoves and replaces which use solid fuel as a source of heat.

This is a device which contains a valve for thermal exhaust and a valve for charging, the

two acting simultaneously on the remote sensor control. This device is connected to the

exhaust and hydro network (charging) while achieving critical temperature and creates

circulation of cold water in the system until the temperature decreases under the value

to which the sensitive element reacts. At that moment, the exhaust and the charging are

simultaneously closed. This is how the device also functions in the case of the sensitive

element’s breakdown.

Note: Thermal fuse is not a part of the product and is not delivered with the product.

G u ar a n t e e f o r th e s to v es is v a l i d e xc l u siv e l y w i t h t h e in s t a l l e d t h e r m al f us e . .

With the both ways of assembly to the closed central heating system, a closed

expansion vessel. The volume of this vessel is determined on the basis of the cauldron

capacity, and the set ratio is 1kW : 1l. the volume of the expansion vessel is determined as

V = 0,07xV water [ l ] ,

Where Vwater is the volume of water in complete facility.

Picture 2

Regarding assembly to the open central heating system, the expansion vessel has to

possess an overow pipe as seen in the picture 5.

Open expansion vessel is set vertically above the highest heating body.

Note: The assembly and commissioning have to be done exclusively by an expert

who guarantees correct operation of the complete heating system. In case of a badly

projected system and possible errors created during the expert’s work which can cause

irregular stove operation, complete material responsibility will be set upon the person

to whom the assembly was entrusted, and not the producer, representative or the stove

seller.

Important

• All couplings must be well tight and screwed. Prior to commissioning, complete

installation should be questioned with water under 2,5 bar pressure.

• When installing safety valve pay attention to direct connection with waterworks

and sewer, as well as to the fact that the valves (faucets) have to be always open.

•If reinforced hose for connection to the sewer is used, it has to be put away from the

ank and back side of the stove, because of the high temperatures.

Picture.3 Scheme of closed system

Picture.4 Scheme of closed system

Picture.5 Scheme of open system

4 FLUE

Special attention must be paid to the quality of the ue which must be made in

accordance with the standards. The ue must be regularly maintained. The stove is

connected to the ue through a connection, with the appropriate smoke pipes, so that

the proper tightness and smoke ew to the ue are secured. The smoke pipe must not be

positioned too deep in the ue so as not to decrease the surface of the cross-section and,

in that manner, disturb the draft in the ue.

The draught in the ue

An inadequate draught is exclusively the main reason behind most complaints of

poor stove operation! Necessary draught for this type of stove is 12±2 Pa.

A lower value does not permit proper combustion with the consequent formation of

carbon deposits and excessive production of smoke, which, being unable to ow to the

exterior will escape through the grills or door.

If the draught value is too high, combustion will be too fast, with the consequent

dispersion of the heat through the ue. If the draught is greater than 15Pa, the elements

for draught reduction should be installed.

4.1 General characteristics

To facilitate the draught in the ue, the

chimney must be rising at least one metre

above the ridge of the roof. The surrounding

objects must not cover the ue. (Picture 6)

The dimensions of the chimney may vary

on the basis of the model of ue. However,

to guarantee good disposal of the fumes, the

section of the air passage atits exit must always

be twice the size of the section of the ue itself,

and furthermore the cap of the chimney must

never obstruct the draught.

The chimney guarantees the conveyance of the fumes outwards even when there are

strong horizontal winds and stops them from being blown back down the chimney.

Bad maintenance of chimney is the cause of ue obstruction, due to the breaking

and detachment of plaster, refractory bricks etc. of which the ue is made, as well as due

to the combustion product deposits and intrusion of foreign objects.

Chimney must have sucient heat insulation, otherwise it can lead to condensation.

The internal parts of the whole ue should have a smooth surface, and the material

used should be thermaly and chemically resistant to combustion products. For all

obscurities regarding ue problems, consult expert services and chimney-swepers.

5. WOOD

Only burn dry wood! You must not only select quality wood but it must also be dry

at the moment in which you use it.

Remember that the caloric power of the wood drops considerably as the presence

of humidity, which means that a large part of the heat produced is used to evaporate the

water and, furthermore, the risks of obstruction increase rapidly with the condensation of

the vapors in the ue.

Recommended humidity of wood is up to 20%.

Damp wood not only burns badly but also makes the lighting of the re dicult and

damages the ue. The water vapor transports condensible products such as acetic acid,

alcohol, methyl alcohol and tars which contribute to the formation of incrustations which

are detrimental for the eciency of your stove. Deposits in the ue may cause re.

Fresh cut wood is useless as a fuel. Actually a considerable part of the energy

produced is only used to evaporate the water, which is up to 75% in young wood without

bark.

ABSOLUTELY NEVER USE:

Green or damp wood, treated wood (railway sleepers, plywood o-cuts, painted

wood, etc.), low-grade anthracite and coke.

THE USE OF THE ABOVE LISTED MATERIALS AND DAMAGES CAUSED BY THEM

ANNUL ANY FORM OF GUARANTEE AND THE MANUFACTURER DECLINES ALL

RESPONSIBILITY.

6. CLEANING THE STOVE

We recommend removing the ash produced every day. Never allow the ash to

accumulate to the point where it touches the grate; this would obstruct the circulation of

primary air and slowly suocate the re.

When cleaning the outside surfaces of the stove, avoid abrasive products which

would damage the protective paint. Do not use chemicals that contain diluent, because

the cast parts are protected by heat resistant paint.

Panoramic door glass should be cleaned with normal detergent and exclusively after

getting cold. After cleaning, rinse with pure water and dry. To clean the parts in tiles use

non -abrasive detergents, water and a soft cloth which do not damage the glaze.

7. CONSUMABLES

The following are considered consumables and therefore not covered by the

warranty:

all gaskets, the parts in ceramic hardened glass, the facing of the hearth, the paints,

the ceramics and the parts with chemical coating (chrome, nickel, zinc parts). The warranty

Indice

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