Defro Home IMPULS Series Manual de usuario

operating manual

fireplace insert

DEFRO HOME IMPULS series

model

SM ME

version

BL BP

translation of original operating manual

edition 8

February 2022

DEKLARACJA ZGODNOŚCI WE

DECLARATION OF CONFORMITY EC

nr DH 3/P1/01/2022

DEFRO R. Dziubeła spółka komandytowa

26-067 Strawczyn, Ruda Strawczyńska 103A

DEKLARUJE / DECLARES

z pełną odpowiedzialnością, że produkt / with all responsibility, that the product

Wkład kominkowy / Fireplace insert

DEFRO HOME IMPULS

(typ/type DEFRO HOME IMPULS)

został zaprojektowany, wyprodukowany i wprowadzony na rynek zgodnie z następującymi dyrektywami:

has been designed, manufactured and placed on the market in conformity with directives:

Rozporządzenie Parlamentu Europejskiego 305/2011 / Regulation of the European Parliament 305/2011

Dyrektywa ErP 2009/125/WE / Directive ErP 2009/125/WE

Rozporządzenie Delegowane Komisji (UE) 2015/1186 / Commission Delegated Regulations (EU) 2015/1186

Rozporządzenie Komisji (UE) 2015/1185 / Commission Regulation (EU) 2015/1185

i niżej wymienionymi normami zharmonizowanymi:

and that the following relevant Standards:

PN-EN 13229:2002

dokumentacja techniczna / technical documentation

Wyrób oznaczono znakiem:

Product has been marked:

Ta deklaracja zgodności traci swą ważność, jeżeli we wkładzie kominkowym DEFRO HOME IMPULS wprowadzono zmiany, została prze-

budowana bez naszej zgody lub jest użytkowana niezgodnie z instrukcją obsługi. Niniejsza deklaracja musi być przekazana wraz z

wkładem kominkowym w przypadku odstąpienia własności innej osobie.

This Declaration of Conformity becomes invalid if any changes have been made to the DEFRO HOME IMPULS Fireplace, if its construction

has been changed without our permission or if the fireplace is used not in accordance with the operating manual. This Declaration shall be

handed over to a new owner along with the title of ownership of the fireplace.

Wkład kominkowy DEFRO HOME IMPULS jest wykonywany zgodnie z dokumentacją techniczną przechowywaną przez:

DEFRO HOME IMPULS Fireplace insert has been manufactured according to technical documentation kept by:

DEFRO R. Dziubeła spółka komandytowa, 26-067 Strawczyn, Ruda Strawczyńska 103a.

Imię i nazwisko osoby upoważnionej do przygotowania dokumentacji technicznej: Mariusz Dziubeła

Name of the person authorized to compile the technical documentation: Mariusz Dziubeła

Imię i nazwisko oraz podpis osoby upoważnionej do sporządzenia deklaracji zgodności w imieniu producenta: Robert Dziubeła

Name and signature of the person authorized to compile a declaration of conformity on behalf of the manufacturer: Robert Dziubeła

Dwie ostatnie cyfry roku, w którym oznakowanie zostało naniesione: 19

Two last digits of the year of marking: 19

Ruda Strawczyńska, 03.01.2022

miejsce i data wystawienia

place and date of issue.

Robert Dziubeła

prezes zarządu / CEO

3 | Page

Dear Customer,

We would like to thank you for choosing the high-quality DEFRO prod-

uct which will ensure your safety and operational reliability.

As our customers, you can always count on the help of the DEFRO

Service Centre, which is ready to ensure the continuous efficiency of your

equipment.

Please note that in order to use the equipment safely and efficiently, it

is crucial to get familiar with the following directions.

•Read and follow this Operating Manual - useful remarks concern-

ing the proper operation of the equipment can be found there.

•Determine if all parts have been delivered or if the fireplace was

not damaged during transport.

•Check the data on the rating plate against the warranty card.

•Prior to starting the device, check the flue connection against

connection recommendations included in this manual and appro-

priate national regulations.

Basic usage rules are to be obeyed while using the equipment. Do not

open the doors during the operation of the device.

DEFRO Service Centre or Authorized DEFRO Service should be al-

ways contacted when any intervention is necessary because only these

parties have original spare parts and are properly trained within the scope

of installation and operation of DEFRO equipment.

For your safety and equipment use convenience please get ac-

quainted with this operating manual and send back a correctly filled copy

of the Warranty Card to the following address:

DEFRO R. Dziubeła sp.k. - Centrum Serwisowe

Ruda Strawczyńska 103a

26-067 Strawczyn

[email protected]

By sending back your Warranty Card, you will be registered in our DE-

FRO products users’ database and we will be able to provide you with quick

and professional technical support.

If you do not send back a correctly filled in Warranty Card and the

equipment quality and completeness receipt within the period of up to two

weeks after the date of installation but no longer than within six months,

after purchasing, the warranty will become invalid. This results in delays

with repairs and the necessity of covering costs of service and traveling

expenses.

Thank you for understanding.

Yours sincerely,

DEFRO R. Dziubeła sp.k.

Content of this Operating Manual is a property of DEFRO R. Dziubeła sp.k.

Any copying, duplicating, publishing of content of this Manual

without prior written consent of DEFRO R. Dziubeła sp.k. is forbidden.

Dear Customer,

We would like to inform you that we make every effort to offer the

products of quality fulfilling the most restrictive standards and warrant-

ing operational safety. All the devices are produced in accordance

with the requirements of relevant EU directives and have CE safety

mark confirmed by the Declaration of Conformity EC.

We appreciate all your comments and proposals regarding our

level of service. We appreciate your comments and proposals regard-

ing our devices and the level of service provided by our Partners and

Technical Support/Service.

DEFRO R. Dziubeła sp.k

| Page 
 
Table of contents 
INFORMATION..................................................................................................................................................................................................... 5 
BASIC SAFETY RULES ....................................................................................................................................................................................... 5 
1. Safety warnings.......................................................................................................................................................................................... 5 
2. Warnings related to operation.................................................................................................................................................................... 6 
INTENDED USE ................................................................................................................................................................................................... 6 
TECHNICAL SPECIFICATION............................................................................................................................................................................. 6 
1. Design ........................................................................................................................................................................................................ 6 
2. TECHNICAL DATA .................................................................................................................................................................................... 7 
3. Equipment .................................................................................................................................................................................................. 8 
4. Fuel parameters......................................................................................................................................................................................... 8 
5. Spare parts................................................................................................................................................................................................. 8 
TRANSPORT AND INSTALLATION .................................................................................................................................................................... 8 
1. Transport and storage................................................................................................................................................................................ 8 
2. Working environment ................................................................................................................................................................................. 9 
3. Hot air distribution system........................................................................................................................................................................ 10 
3.1. Gravity system for hot air distribution ................................................................................................................................................. 10 
3.2. Forced system for hot air distribution ................................................................................................................................................. 10 
4. Connection to external air intake ............................................................................................................................................................. 10 
5. Installation to the flue ............................................................................................................................................................................... 10 
USAGE AND OPERATION ................................................................................................................................................................................ 11 
1. Introductory remarks ................................................................................................................................................................................ 11 
2. First start-up and operation...................................................................................................................................................................... 11 
3. Damping................................................................................................................................................................................................... 12 
CLEANING AND MAINTENANCE...................................................................................................................................................................... 12 
1. Basic operations and cleaning by the user. ............................................................................................................................................. 12 
1.1. Cleaning before each starting............................................................................................................................................................. 12 
1.2. Window panel cleaning....................................................................................................................................................................... 12 
1.3. Doors/gaskets..................................................................................................................................................................................... 13 
1.4. Furnace chamber................................................................................................................................................................................ 13 
1.5. Flue..................................................................................................................................................................................................... 13 
2. Periodic inspection by authorized service................................................................................................................................................ 13 
3. Doors disassembly................................................................................................................................................................................... 13 
4. Window panel dismantling ....................................................................................................................................................................... 14 
5. Disassembly of deflector.......................................................................................................................................................................... 14 
6. Disassembly of claddings made of fire-proof concrete ........................................................................................................................... 14 
7. Shutting the stove down........................................................................................................................................................................... 15 
TROUBLESHOOTING........................................................................................................................................................................................ 15 
MEASURES IN CASE OF FIRE IN THE FLUE /SOOT IGNITION/.................................................................................................................... 15 
REMOVAL DUE TO WEAR-OUT ....................................................................................................................................................................... 15 
REMARKS ON FIREPLACE INSERT USAGE................................................................................................................................................... 16 
PRODUCT WARRANTY TERMS AND CONDITIONS ...................................................................................................................................... 16 
1. Warranty conditions “48h Service”........................................................................................................................................................... 17 
WARRANTY CARD ............................................................................................................................................................................................ 19 
CARRIED OUT WARRANTY REPAIRS AND MAINTENANCE......................................................................................................................... 20 

WARRANTY CARD (copy to send back)............................................................................................................................................................ 21 
COMPLAINT FORM ........................................................................................................................................................................................... 23 
COMPLAINT FORM ........................................................................................................................................................................................... 25 
COMPLAINT FORM ........................................................................................................................................................................................... 27 
REGISTER OF INSPECTIONS OF SMOKE DUCT........................................................................................................................................... 28 
 
 
 
 

5 | Page

1. INFORMATION

The operating manual is an integral and essential part of the prod-

uct and must be forwarded to the user also in case when the property

is transmitted. User should carefully read the manual and save it for the

future because all remarks included there are important guidelines con-

cerning safety during installation, usage and maintenance.

Installation of the fireplace must be carried out in accordance with

the mandatory standards in the country of destination, according to

guidelines of the manufacturer and by qualified personnel. Improper

installation of the device can be a reason for personal injuries and dam-

age to property for which the manufacturer is not liable.

A fireplace can be used only for the purpose it was explicitly in-

tended. Any other use should be treated as inappropriate and in con-

sequence as dangerous.

In the case of error during installation, usage or maintenance

works caused by non-observance of the legislation, applicable regula-

tions or instructions contained in this manual (or others, delivered by

the manufacturer) the manufacturer rejects any contractual or non-con-

tractual liability for resulting damages and the warranty for the device

becomes void.

All illustrations, pictures and photos are only indicative.

Versions of the publication

Due to continuous improvement of the product, DEFRO reserves

the right to update this publication without prior notice.

The content of this Operating Manual is a property of DEFRO. Any

copying, duplicating, publishing of content of this User’s Manual without

prior written consent of DEFRO is forbidden.

Manual storage and browsing of its contents

We recommend taking care of this manual and storing it in an eas-

ily and quickly available location. If this manual has been lost, damaged

or destroyed you should request a copy in the sales outlet or directly

from the Manufacturer providing identification data of the product. All

the most important information included in the operating manual are

marked with “bold” and have symbols pointing out the user’s attention

to hazards which can be present during operation of the fireplace insert.

The symbols used in the text are explained below:

Danger!

Direct threat to life and health! Non-compliance with the

recommendations marked in this way and misuse may

result in death or major injuries.

Danger!

Danger from electrical voltage! Incorrect installation and

incorrect electrical connections may cause danger to life

by electric shock.

Note!

Warning symbol indicates that you should read carefully

and understand the given information, to which it relates.

Non-compliance with those recommendations may re-

sult in major damage to the equipment and create a haz-

ard for the user or the environment.

Danger!

Direct threat to health! Non-compliance with the recom-

mendations distinguished in this way may cause a fire or

burns.

Hint!

Informative symbol. Useful information and hints are

marked in this way.

2. BASIC SAFETY RULES

2.1. SAFETY WARNINGS

•The national and local provisions should be met.

•The equipment should be installed in compliance with

the legal standards applicable in the given location, re-

gion or the country.

•The equipment should be used by persons (including

children) of impaired physical, sensory, mental capa-

bilities and by persons without experience and re-

quired knowledge provided that such operation is not

carried out under their supervision or after proper in-

struction by a person responsible for their safety.

•You should always observe the guidelines given in the

operating manual to ensure correct use of the equip-

ment and to prevent accidents.

•Operation and adjustment should be carried out by

adults. Errors and incorrect setting can cause hazard-

ous situations and/or incorrect operation.

•Prior to any operations the user (or any person oper-

ating the equipment) should read and understand the

whole contents of this manual.

•Equipment should be used only as intended. Each

other use is considered as misuse and hazardous as

a consequence.

•The equipment should not be used as a ladder or ob-

ject to lean against.

•Prior to installation, you should make sure that the

substrate will resist the force of the equipment consid-

ering its weight.

•In the case of disturbances in operation, the equip-

ment can be restarted only when the occurred problem

has been removed and the equipment is brought back

to its original condition.

•The user is fully responsible for misuse of the product

and relieves DEFRO from any civil and criminal liabil-

ity.

•All types of modifications or replacement of equipment

parts with non-original components or without authori-

zation may present a risk for the operator and relieves

DEFRO from any civil and criminal liability.

•Incorrect installation or maintenance (incompatible

with the contents of this manual), can cause injuries to

people, animals or property damage. Then DEFRO

shall be relieved of any civil or criminal liability.

•Part of the fireplace insert surface is very hot (doors,

handle, window panel, flue gas discharge pipe, etc.).

You should avoid direct contact with such components

without suitable protective clothing or protective equip-

ment such as e.g. heat-resistant gloves.

•Do not touch the window panel after heating up of the

fireplace insert.

•Keep children away from the equipment when it is op-

erating because each hot surface can cause burns.

•It is forbidden to use a fireplace insert when glass is

cracked.

•Do not place and dry the underwear on the equipment.

Possible dryers for hanging underwear or similar

should be located at an adequate distance from the

equipment - fire hazard.

•It is absolutely forbidden to open the doors if the flue

is on fire. Then call the appropriate services.

•It is recommended to keep a distance 400 mm be-

tween hot parts of the fireplace insert and medium in-

flammable materials; otherwise use commercially

available insulation materials. Apply this hint also for

6 | Page

furniture, curtains etc. The minimum distances are

given in point 5.2 of the operating manual.

•It is absolutely forbidden to use flammable liquid for

equipment firing up.

•If the substrate, on which the equipment is located, is

made of inflammable materials, such as parquet or

floor lining then you should place a protective plate un-

der it (the plate should protrude 250-300 mm from front

of the equipment).

2.2. WARNINGS RELATED TO OPERATION

•Equipment should be shutdown in case of failure or in-

correct operation.

•Fuel used in the fireplace insert should meet the con-

ditions described in this manual.

•Internal parts of the fireplace insert should not be

washed with water.

•Avoid contact with water; above all do not wash any

painted surfaces until they are fully cured. Coating on

new devices is not an anti-corrosion coating; heat-re-

sistant paint achieves its protective properties only af-

ter curing under the influence of heat (after several ig-

nitions).

•Do not expose the body to the action of hot air for a

long period of time. Do not heat excessively the room

where you are staying and where the equipment is in-

stalled. It may have an adverse impact on physical

condition and be a reason for health problems.

•Equipment should be installed in the rooms with fire

protection and equipped with all required components

such as supply (with air) and flue gas discharge.

•Fireplace insert and cladding made of ceramics should

be stored in rooms free from moisture and they cannot

be exposed to adverse effects of the weather.

•It is not recommended to place the body of the fire-

place insert directly on the floor and if such floor is

made of inflammable materials it should be properly

insulated.

•To facilitate possible interventions by the technical

personnel you should not place the fireplace insert in-

side the closed rooms and just by the walls which can

also disturb air intake.

•Always make sure and check whether doors of the

combustion chamber are tightly closed when the

equipment is operating.

•Equipment consumes the exact amount of air that is

required for the combustion process; it is recom-

mended to connect the fireplace insert to air intake

from outside using a suitable pipe and through special

outlet located at the back of the equipment.

ADDITIONAL INFORMATION

•You should contact sales outlet or qualified personnel

authorized by DEFRO in the case of any problems.

Request original spare parts if the repair is necessary.

•Use only fuel with properties compatible with the rec-

ommendations of this operating manual.

•Check and clean flue gas discharge ducts (connecting

piece to flue) periodically.

•Store this manual carefully because it should be avail-

able for a whole period of equipment operation. In the

case of sale or giving the equipment to the other user

you should always make sure whether the product has

the manual enclosed.

•Request a new copy from authorized sales outlet in

DEFRO company if it has been lost.

3. INTENDED USE

DEFRO HOME IMPULS fireplace insert as a furnace with manual

fuel charge is intended for enclosing or installation into a recess. Hous-

ing should not be permanently bonded with the insert, you should have

an option to disassemble it.

DEFRO HOME IMPULS fireplace insert is intended for combustion

of hardwood e.g. beech, hornbeam, oak, acacia, maple, birch etc. with

moisture content below 20%. It is intended for heating of houses and

spaces where it is installed. It can be also used as an additional source

of thermal power.

4. TECHNICAL SPECIFICATION

4.1. DESIGN

Body (1, picture 1) of the DEFRO HOME IMPULS fireplace insert

is a steel jacket, with a combustion chamber located inside (2). Floor

creating chamber for air intake is a basis for the insert. Rear wall and

side walls of the combustion chamber are lined with claddings made of

concrete insulating refractory. The front wall of the combustion cham-

ber is restricted by steel doors (3) with heat-resistant window panel (4)

and lock (5).

Picture 1. Design of the DEFRO HOME IMPULS fireplace insert.

1 –body, 2 –combustion chamber, 3 –side cover of doors lifting

mechanism, 4 –heat-resistant window panel, 5 –doors lifting handle,

6 –front cover, 7 –floor, 8 –grate, 9 –ash pan container, 10 –air in-

take connector, 11 –adjustment of air inflow, 12 –slider for adjust-

ment of air inflow, 13 –claddings made of heat-resistant concrete, 14

–openings from flue gas after-burning system, 15 –deflector, 16 –

flue.

Fuel is combusted on cast-iron grate (8) installed on the base. Ash-

pan container (9) is located under the grate. Deflector (15) is located

over the combustion chamber. It directs flue gas flow and improves the

degree of heat exchange.

Air necessary for the combustion process is supplied through an

air intake socket (10) equipped with an adjustment mechanism (12). Air

intake is located in the floor of the fireplace insert. Openings for flue

gas afterburning system (14) are additionally located in the rear wall of

the furnace chamber.

Flue gases are removed to the chimney through a flue (16) located

in the upper wall of the fireplace insert.

7 | Page

4.2. TECHNICAL DATA

Table 1. Technical data for the DEFRO HOME IMPULS fireplace inserts.

Parameters

unit

DEFRO HOME IMPULS SM

DEFRO HOME IMPULS ME

Nominal power

Flue size

200

Efficiency

80.2

83.8

Seasonal energy efficiency

CO emission for 13% O2

0.0773

0.08

Combustion temperature

°C

282

224

Weight1)

150±5

185±5

Flue gas stream for nominal power

g/s

6.76

8.35

Minimum draught at rated power

12±2

Fuel consumption

kg/h

2.5

2.9

Recommended single charge

2.5

3.0

Maximum length of chunks

500

700

Fuel type

dry hardwood (max. 20% of moisture content)

Type of heater

of periodic combustion

1) Device weight depends on the selected design version and its equipment.

Picture 2. Dimensions of the DEFRO HOME IMPULS SM fireplace in-

sert.

Picture 3. Dimensions of the DEFRO HOME IMPULS ME fireplace in-

sert.

719

689

194

333

548

>1068

450

173

135 256

316 64

670

400

101

125

819

789

194

648

333

>1068

450

173

135 256

316 64

770

400

101

125

8 | Page

Picture 4. Dimensions fireplace insert DEFRO HOME IMPULS SM in

version BP and BL (mirror reflection of the BP version).

Picture 4 Dimensions fireplace insert DEFRO HOME IMPULS ME in

version BP and BL (mirror reflection of the BP version).

4.3. EQUIPMENT

Fireplace is delivered on a pallet, foil-wrapped and is fully assem-

bled. Scope of delivery can include additional components and subas-

semblies, according to the order. Components that are standard equip-

ment are specified in table 2.

Table 2. Equipment of fireplace.

Standard equipment of fireplace

unit

Quan

tity

Operating manual for fireplace

pcs.

Ceramic lining of furnace chamber

set

DH sponge

pcs.

4.4. FUEL PARAMETERS

Fireplace insert is intended for the combustion of wood from de-

ciduous trees (oak, hornbeam, ash, beech) with moisture content be-

low 20% (wood seasoned in proper conditions for at least 2 years). The

maximum length of chunks is given in table 1 It is allowed to use wood

briquet.

It is not allowed to use wet wood (extensive contamination of fire-

place and soot emission and decrease of energy efficiency of the de-

vice).

It is forbidden to use all other fuels, min. coal, softwood from conif-

erous trees, wood from tropical trees and any liquid fuels.

It is forbidden to combust all types of litter and wood wastes. Firing

with inadmissible materials in the fireplace may result in damage to the

fireplace and life and health hazard for the users (toxic flue gas from

chemicals).

Use of bad quality fuel or incompatible with the above-

mentioned recommendations would cause irregulari-

ties in operation of the equipment and can lead to loss

of warranty and decline of the liability for the product.

Fireplace is not a furnace intended for the combustion

of wastes and forbidden fuels cannot be combusted

in it.

Wood should be seasoned minimum of two (2) years.

Firing with wet wood, with low calorific value, de-

creases the efficiency and has adverse influence on

dry stove lifetime.

It is not recommended to use softwood and resinous

woods as fuel. It causes intensive smoke concentra-

tion and the necessity to clean the equipment and flue

more often.

It is forbidden to combust coal, wood from tropical

trees, chemical products, liquid fuels etc., e.g. oil, al-

cohol, petrol, naphthaline, laminated, impregnated

boards etc., paper, cardboards, old clothes, wastes.

It is forbidden to exceed the recommended amount of

charged fuel, because it may cause overheating of the

equipment.

DEFRO R. Dziubeła sp.k. does not accept liability for

damages caused or improper burning of fuel if the fuel

used is prohibited.

4.5. SPARE PARTS

To obtain information on the availability of spare parts for equip-

ment or inquiries about equipment servicing please contact the DEFRO

Service Center or the Authorized DEFRO Service.

DEFRO R. Dziubeła sp.k.

Service Centre

Ruda Strawczyńska 103a

26-067 Strawczyn

[email protected]

5. TRANSPORT AND INSTALLATION

5.1. TRANSPORT AND STORAGE

Fireplace is delivered on a pallet, foil-wrapped and are fully assem-

bled. It is recommended to transport fireplace insert, in such packing

condition, as close as the possible target location for installation, what

will minimize the possibility of damage to the device housing.

All remaining parts of the packing should be removed in such a

way that it will not pose any hazard for people and animals.

694

628

194

600 305

333

>1068

450

173

135 256 53

670

380

101

410

125

316

37 42

794

728

194

700 305

333

>1068

450

173

135 256 53

770

380

101

410

125

316

37 42

9 | Page

The fireplace is to be transported in a vertical posi-

tion!

Appropriate lifts are to be used for lifting and lowering the fireplace

insert. For transport, the fireplace insert is to be secured against mov-

ing and tilting on a vehicle's platform by means of belts, wedges and

wooden blocks.

DEFRO HOME IMPULS fireplace insert should be in-

stalled in compliance with the requirements of the cur-

rently applicable standards and legal regulations and

the detailed regulations of the target country. In Po-

land, these conditions are regulated by the Regulation

of the Minister of Infrastructure of 12 April 2002 on

technical conditions which should be fulfilled by

buildings and their location. (Journal of Laws no. 75

of 2002 item 690 as amended) and Polish Standard PN-

EN 13229:2002 Inset appliances including open fires

fired by solid fuels. Requirements and test methods.

A fireplace insert is to be stored in a non-heated room, under a roof

and with efficient ventilation.

Prior to installation, it should be determined if all parts have been

delivered and if they are in good technical condition.

5.2. WORKING ENVIRONMENT

Fireplace insert should be installed in a suitable location allowing

opening of the doors and carrying out regular maintenance works. The

environment should be:

•adapted to operating conditions,

•equipped with a power supply 230V/50Hz,

•equipped with a suitable flue gas exhaust system,

•equipped with an external ventilation system,

•equipped with an earthing system with a CE certificate.

The design of the system should allow assembly and disassembly

without damaging the system and the insert.

The correct setting of the insert is necessary to obtain a satisfac-

tory heating level of the residential unit. Prior to the assembly, it is nec-

essary to select a suitable position for equipment installation. Check

minimum safe distances from materials susceptible to heat or inflam-

mable materials such as load-bearing walls and other walls or wooden

components, furniture etc. Exemplary installation of a fireplace insert is

presented in picture 5.

Installation of the fireplace insert should observe the following

safety rules:

•minimum distance of 80 mm on the side and rear of the

equipment body from the non-flammable materials.

•minimum distance 200 mm from the side and rear of the me-

dium inflammable materials,

•minimum distance 800 mm from the front wall, where the me-

dium inflammable materials cannot be located.

•objects made of highly inflammable materials should be lo-

cated in a distance minimum of 2000 mm from furnace.

If it is not possible to maintain the above-indicated distances then

you should apply process and building measures to avoid fire hazards.

In the case of contact with wooden wall or wall made of other inflam-

mable material it is appropriate to insulate the flue gas discharge pipe.

In the case of floor made of inflammable materials, it

is appropriate to prepare a plane protecting the floor

and execute protection in accordance with the stand-

ards applicable in the given country.

The fireplace insert should be located on a substrate with suitable

load-bearing capacity. In accordance with the Polish Standards each

square meter of the floor slab in the single-family building should trans-

fer the load of 150 kg. If this condition is fulfilled the fireplace insert

manufactured by DEFRO can be installed without needing to reinforce

the floor slab.

Picture 5 Exemplary installation of the fireplace insert.

ATTENTION!!!

Lack of expansion joint may be a reason for equipment damage.

Installation of the fireplace inconsistently with the minimum dis-

tances from the system results in loss of warranty!!!

Nonetheless, if you are not sure about the design of the floor slab,

where the fireplace insert is to be installed, you should absolutely con-

tact with the building designer to reinforce the floor slab or execute a

special structure distributing the weight on a larger area.

The flooring in the room, where the fireplace is to be

installed, should be properly dimensioned, to main-

tain the load.

To ensure the correct operation of the fireplace insert you should

ensure the suitable inflow of air required for combustion (it is appropri-

ate to ensure approx. 40 m3/h) in accordance with the installation

standards and standards applicable in the given country. The volume

of the surrounding environment should not be less than 30 m3. You

should assume that the combustion of 1 kg of wood requires ~8 m3of

air.

80 mm

obudowa

izolacja wewnątrz obudowy

z materiałów niepalnych

fasada wkładu

kominkowego

ściana

80 mm

min. 5 mm

Wall

Facade of the

fireplace insert

insulation in-

side the hou-

ding made of

incombustible

mterials

housing

Ceiling

wall

Decom-

pression grille

Decom-

pression

ledge made of

incmbustible

materials

Hot air outlet

grille

Insulation

made of in-

combustible

materials

Air inlet grille

10 | Page

If several inserts are to be used in one room the air

demand should be met for each insert.

Insert housing should ensure access of air necessary for ventila-

tion, air circulation in the housing. In bottom part of the installation (un-

der the insert) it is appropriate to ensure air supply openings ensuring

air supply for combustion. To ensure the correct discharge of hot air

from the hood you should install exhaust openings ended with air

grilles. These openings should be made in a way ensuring that they

cannot be plugged. They should be ended with grilles.

It is required to keep the expansion joint around the door frame of

the fireplace, that is minimum distance not lower than 5 mm. During the

designing of the system, it is required to consider also possible assem-

bly of a frame (which is an optional component), to ensure that after its

assembly the minimum expansion joint between the frame and the sys-

tem will be kept.

The active area of the grille should be selected correspondingly to

the power of the insert. It is assumed that it should equal to 40 - 60 cm2

per 1 kW of power of the insert. Recommended active surfaces:

•fireplace insert power to 10 kW - grille cross-section min. 500

cm2,

•fireplace insert power to 15 kW - grille cross-section min. 700

cm2,

•fireplace insert power over 15 kW - grille cross-section min.

800-1200 cm2 and more.

Air can be supplied from adjacent rooms, provided that they are

equipped with external air supply and they are not intended for a bed-

room and bathroom, and where fire hazard is not present, for example:

garages, woodsheds, inflammable materials storage. You should ab-

solutely observe the recommendations of the applicable standards.

The temperature over the insert, inside the hood, is very high.

Therefore it is necessary to install a decompression relief plate inside

the hood, in a distance ~40cm from the ceiling of the room. It prevents

heating of the ceiling in the room, heat losses and forces the installation

of exhaust grilles below it emitting the heat from the relief chamber over

the insert. Relief grilles are installed alternately on both sides of the

housing - below and over relief plate.

5.3. HOT AIR DISTRIBUTION SYSTEM

5.3.1. GRAVITY SYSTEM FOR HOT AIR DISTRIBUTION

In case of heating of small areas, e.g. room where the fireplace

insert is installed, and adjacent rooms, you should select a gravity sys-

tem for air distribution, when the hot air will raise upwards to the cham-

ber in heating ducts by way of thermal lifting forces.

Picture 6. Hot air distribution system.

Using the gravity system you should use properly insulated and

short (not exceeding 3 m) distributing ducts. For this system, it is not

recommended to distribute hot air to too many rooms. Also, use of too

long pipes (over 3 m from the flue) increases resistance and decreases

air flow velocity which causes that gravity flow is not effective.

5.3.2. FORCED SYSTEM FOR HOT AIR DISTRIBUTION

The application of forced system for hot air distribution (DGP) re-

quires the installation of air supply device (turbine). It sucks hot air

heated by the fireplace insert and forces it to all branches of the system.

In such a case you should use a pipe connecting flue with air supply

unit with the biggest possible cross-section and the smallest possible

length

Installation of the DGP system should be entrusted to

a specialized company, which will check heat demand

for the given area and will correctly design the con-

nection system and arrangement of the individual

parts.

5.4. CONNECTION TO EXTERNAL AIR INTAKE

Room, where the fireplace insert is installed, should be equipped

with the inflow of air in the minimum amount required for correct com-

bustion process and for room ventilation. This can be done by execut-

ing fixed vents in the wall directed to the outside or through independ-

ent or common ventilation ducts.

The external wall near the equipment should have a through open-

ing, protected with grille on the internal and external side, for this pur-

pose.

Furthermore, the air intake should be:

•directly connected with the room, where the fireplace insert

is to be installed,

•protected with grille, metal net or suitable cover not restrict-

ing minimum cross-section,

•located in a way preventing plugging it,

•located with consideration of proper distances preventing

swirling of air (e.g. with respect to the windows).

Picture 7. Connection of fireplace insert to the external air intake.

5.5. INSTALLATION TO THE FLUE

Fireplace insert should be connected to individual flue. Size of

chimney draught should equal:

•minimum draught −6 ± 1 Pa,

•medium, recommended draught − 12 ± 2 Pa.

•maximum draught - 15 ± 2 Pa.

During the execution of opening for flue gas discharge pipe, you

should consider the possible occurrence of inflammable materials. If

the opening will pass through the wooden wall or wall made of material

sensitive to heat then you should obligatorily maintain the minimum dis-

tance from flammable material (value given on the certification label of

wylot gorącego

powietrza

kratka wentylacyjna

komory

dekompresyjnej

króciec

wylotu spalin

obudowa

z izolacją

dopływ powietrza

z zewnątrz

do spalania

izolowana półka

dekompresyjna

kratka wylotu

powietrza

konwekcyjnego

dopływ powietrza

konwekcyjnego

Hot air ou-

tlet

Flue gas

outlet con-

nector

Housing

with insula-

tion

Air inflow

from out-

side for

combu-

stion

Air grille of

the decom-

pression

chamber

Insulated

decom-

pression

ledge

Convection

air outlet

grille

Convection

air inlet

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