Defro Home MYPELL User manual

□

DEKLARACJA ZGODNOŚCI WE

DECLARATION OF CONFORMITY EC

nr DH 17/P2/01/2022

DEFRO R. Dziubeła spółka komandytowa

26-067 Strawczyn, Ruda Strawczyńska 103A

DEKLARUJE / DECLARES

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

Ogrzewacz pomieszczeń opalany pelletami / Pellet heating stove

DEFRO HOME MYPELL 9 kW

(typ/type DEFRO HOME MYPELL)

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 14785:2009

dokumentacja techniczna / technical documentation

Wyrób oznaczono znakiem:

Product has been marked:

Ta deklaracja zgodności traci swą ważność, jeżeli w piecu kominkowym DEFRO HOME MYPELL wprowadzono zmiany, został prze-

budowany bez naszej zgody lub jest użytkowany niezgodnie z instrukcją obsługi. Niniejsza deklaracja musi być przekazana wraz z piecem

kominkowym w przypadku odstąpienia własności innej osobie.

This Declaration of Conformity becomes invalid if any changes have been made to the DEFRO HOME MYPELL Dry Stove, if its construction

has been changed without our permission or if the dry stove 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 dry stove.

Ogrzewacz pomieszczeń opalany pelletami DEFRO HOME MYPELL jest wykonywany zgodnie z dokumentacją techniczną przechowywaną

przez:

DEFRO HOME MYPELL Pellet heating stove 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: 18

Two last digits of the year of marking: 18

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 whether all parts have been delivered or the equip-

ment has been 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 products.

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.

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

Any copying, duplicating, publishing of the content of this Manual

without the 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.

 
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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. Air intake..................................................................................................................................................................................................... 9 
3.1. Air intake from the room........................................................................................................................................................................ 9 
3.2. Air intake from outside ........................................................................................................................................................................ 10 
4. Forced system for hot air distribution in DEFRO HOME MYPELL DGP.................................................................................................. 10 
5. Installation to the flue ............................................................................................................................................................................... 10 
6. Connection to electrical wiring system ..................................................................................................................................................... 11 
USAGE AND OPERATION................................................................................................................................................................................. 11 
1. Introductory remarks ................................................................................................................................................................................ 11 
2. First start-up and operation ...................................................................................................................................................................... 12 
2.1. Stove start-up...................................................................................................................................................................................... 12 
2.2. Refuelling ............................................................................................................................................................................................ 12 
2.3. Damping.............................................................................................................................................................................................. 12 
2.4. Power failure during operation............................................................................................................................................................ 12 
CLEANING AND MAINTENANCE...................................................................................................................................................................... 12 
1. Basic operations and cleaning by the user. ............................................................................................................................................. 12 
1.1. Cleaning before each starting............................................................................................................................................................. 12 
1.2. Every day service................................................................................................................................................................................ 13 
1.3. Every week service............................................................................................................................................................................. 13 
1.4. Every month service ........................................................................................................................................................................... 13 
1.5. Every year service .............................................................................................................................................................................. 14 
1.6. Window panel cleaning....................................................................................................................................................................... 15 
1.7. Doors/gaskets ..................................................................................................................................................................................... 15 
1.8. Furnace chamber................................................................................................................................................................................ 15 
1.9. Flue ..................................................................................................................................................................................................... 15 
2. Periodic inspection by authorized service ................................................................................................................................................ 15 
3. Dismantling of components...................................................................................................................................................................... 16 
3.1. Doors disassembly.............................................................................................................................................................................. 16 
3.2. Window panel dismantling .................................................................................................................................................................. 16 
4. Shutting the stove down........................................................................................................................................................................... 16 
TROUBLESHOOTING........................................................................................................................................................................................ 16 
MEASURES IN CASE OF FIRE IN THE FLUE /SOOT IGNITION/.................................................................................................................... 16 
REMOVAL DUE TO WEAR-OUT ....................................................................................................................................................................... 17 
REMARKS ON DRY STOVE USAGE. ............................................................................................................................................................... 17 
PRODUCT WARRANTY TERMS AND CONDITIONS....................................................................................................................................... 17 
1. Warranty conditions “48h Service” ........................................................................................................................................................... 18 
WARRANTY CARD ............................................................................................................................................................................................ 21 
CARRIED OUT WARRANTY REPAIRS AND MAINTENANCE......................................................................................................................... 22 
WARRANTY CARD (copy to send back)............................................................................................................................................................ 23 
COMPLAINT FORM............................................................................................................................................................................................ 25 
COMPLAINT FORM............................................................................................................................................................................................ 27 
COMPLAINT FORM............................................................................................................................................................................................ 29 
REGISTER OF INSPECTIONS OF SMOKE DUCT ........................................................................................................................................... 30 
 

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 the case when the prop-

erty is transmitted. The user should carefully read the manual and save

it for the future because all remarks included there are important guide-

lines concerning safety during installation, usage and maintenance.

Installation of the stove must be carried out in accordance with the

mandatory standards in the country of destination, according to guide-

lines of the manufacturer and by qualified personnel. Improper installa-

tion of the device may be a reason for personal injuries and damage to

property for which the manufacturer is not liable.

The dry stove can be used only for the purpose it was explicitly

intended. 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, or publishing of content of this User’s Manual with-

out the 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 has symbols pointing out the user’s attention to

hazards that can be present during the operation of the dry stove. 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 indicating that you should read carefully

and understand the given information, to which it relates.

Non-compliance with those recommendations may result

in major damage to the equipment and create a hazard to

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 country.

•The equipment should be used by persons (including

children) of impaired physical, sensory, and mental ca-

pabilities 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 the correct use of the

equipment and to prevent accidents.

•Operation and adjustment should be carried out by

adults. Errors and incorrect settings can cause hazard-

ous situations and/or incorrect operations.

•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 equipment surface is very hot (doors, han-

dle, 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

equipment.

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

erating because each hot surface can cause burns.

•It is forbidden to start-up the equipment when the

doors are opened or the window panel 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 400 mm distance between

the hot parts of the equipment and medium inflamma-

ble materials; otherwise use commercially available in-

sulation materials. Apply this hint also for furniture,

6 | Page

curtains etc. 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 the

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 equipment should meet the conditions

described in this manual.

•Internal parts of the equipment should not be washed

with water.

•Avoid the contact of painted surfaces with water (e.g.

washing) until they are fully cured. The coating on new

devices is not an anti-corrosion coating; heat-resistant

paint achieves its protective properties only after cur-

ing under the influence of heat (after several ignitions).

•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 rooms with fire pro-

tection and equipped with all required components

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

•Equipment and cladding made of ceramics should be

stored in the rooms free from moisture and they cannot

be exposed to adverse effects of the weather, avoid

soiling.

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

ment 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 equipment inside

the closed rooms and just by the walls which can also

disturb air intake.

•Always make sure and check whether the 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 equipment for air intake from

outside using a suitable pipe and through a 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 an authorized sales outlet in

the DEFRO company if it has been lost.

3. INTENDED USE

The DEFRO HOME MYPELL dry stoves are intended for the com-

bustion of pellet. They are intended for heating of houses and spaces

where they are installed. They can be also used as an additional source

of thermal power.

The dry stove can be connected multiple times.

4. TECHNICAL SPECIFICATION

4.1. DESIGN

A dry stove fired with a pellet operates as a heater for the room in

which it is installed. Hot air is emitted directly from the furnace through

the window panel and on by radiation through convection holes in the

upper wall of the device.

Stove body (3, pictures 1 and 2) - wall in contact with fire - is made

of heat-resistant steel sheet and sides of the combustion chamber are

lined with cladding made of vermiculite. The body is lined with panels

made of steel sheet covered with high-temperature powder paint. The

stove is equipped with a so-called combustion chamber.

Picture 1. View of the DEFRO HOME MYPELL heating stove.

The furnace chamber is equipped with a discharge pellet (10)

burner adapted for the combustion of biomass. Fuel required for the

combustion process is transported using an automatic feeder (9), which

takes the pellet from the container (14) located behind the combustion

chamber. Igniter (11) located in the furnace, in form of an electric

heater, initiates the ignition of fuel supplied during the start-up of the

stove. Fuel required for combustion is taken from the air intake (15) and

then supplied to the burner. Hot flue gas flows around two deflectors

(8) and then air pipes located in the upper part of the stove. Pipes

heated by flue gas transfer heat to the air, which ejects through the

perforation (7) heating surroundings of the stove. Flue gases are dis-

charged to the chimney through a flue (18). The discharge process is

supported by a flue gas fan unit (16).

In the DGP version, the stove is equipped with an additional con-

nector of the system intended for distribution of the hot air (item 21 in

picture 3).

7 | Page

Picture 2. Design of the DEFRO HOME MYPELL heating stove.

Explanatory notes to pictures 1 and 2:

1 –pellet container flap, 2 –control panel with a display, 3 –body, 4 –

doors, 5 –window panel, 6 –handle, 7 –perforation, 8 –deflectors

made of vermiculite, 9 –feeder, 10 –burner, 11 –igniter, 12 –ash-pan,

13 –air fan, 14 –pellet container, 15 –air supply connector, air intake

vent, 16 –flue gas fan unit, 17 - main switch. 18 –flue, 19 –230 V

supply socket, 20 –temperature sensor socket.

4.2. TECHNICAL DATA

The combustion process in a stove fired with pellet is adjusted by

an electronic controller (2) controlling the operation of the igniter, feeder

and fans based on setpoints and measured temperature.

A detailed description of the construction, operation

and work of the electronic controller and fan is included

in the operating manuals enclosed to this documenta-

tion.

Recommendations of operating manual of controller

and fan should be unconditionally observed.

Picture 3. Dimensions of the DEFRO HOME MYPELL heating stove.

Table 1. Technical data of the DEFRO HOME MYPELL I DEFRO

HOME MYPELL DGP heating stove.

Parameter

unit

value

Nominal power

Heating power range

5-9

Nominal efficiency1

90.9 (96.6)

Seasonal energy efficiency

85.5

CO emission for 13% O21

0.0058 (0.0187)

Flue gas temperature1

°C

138.0 (66.0)

Weight2

150

Flue gas stream for nominal power1

g/s

7.0 (3.8)

Minimum draught at rated power

Flue size

Supply voltage

230

Maximum power consumption

583

Power consumption for nominal power1

kWh

0.175 (0.103)

Fuel consumption1

kg/h

2.16 (1.15)

Fuel tank capacity

30 (26*)

Type of heater

of periodic combustion

Fuel 3

pellet with a diameter of 6

Power of the hot air fan

210 W

Performance of the hot air fan

8.5 m3/min

Share of DGP outlet in the air distribution*

~60%

1) Values for nominal power 5 kW are given in brackets.

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

8 | Page

*) Applies to the DGP version.

Picture 4.4Dimensions of the DEFRO HOME MYPELL heating stove

in the DGP version (21 - supply connector of the DGP system).

4.3. EQUIPMENT

Dry stove 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 the DEFRO HOME MYPELL stove

Standard equipment of dry stove

unit

Quan

tity

Stove operating manual

pcs.

Operating manual and warranty card for electronic

controller

pcs.

Electronic controller

pcs.

Ceramic lining of furnace chamber

set

4.4. FUEL PARAMETERS

Sawdust granulate, called pellet, is a primary fuel for the DEFRO

MYPELL heating stove. It is recommended to use A1 class pellet in

accordance with PN-EN ISO 17225-2:2014-07, with the following pa-

rameters:

•granulated product diameter: 6 mm,

•length of granulated product: from 3.15 mm to 40.00

mm,

•calorific value: > 16.5 MJ/kg

•sulphur content: max. 0.03 %

•moisture: ≤ 10 %

•ash content: ≤ 0.7 %

•bulk density: > 600 kg/m3

During the selection of the pellet, the user should pay special at-

tention to fuel from unreliable sources, to the possible content of con-

taminations in fuel in form of stones or other inflammable inclusions

deteriorating the quality of combustion and increasing the failure fre-

quency of the feeder.

Correct pellet type and assortment ensure:

•fault-free operation of stove,

•fuel saving in comparison to lower-quality types,

•reduced emission of harmful chemical substances.

It is forbidden to burn any other objects on the grate of the auto-

matic furnace.

Use of bad quality fuel or incompatible with the above-

mentioned recommendations would cause irregulari-

ties in the operation of the equipment and can lead to

loss of warranty and decline of the liability for the prod-

uct.

Dry stove is not a furnace intended for the combustion

of wastes and forbidden fuels cannot be combusted in

it.

Completely emptying the fuel tank should be avoided.

The minimum level of fuel container’s fill - 25% of its

capacity.

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

damages caused or improper burning of fuel if the fuel

used is prohibited.

The condition of the fuel container’s cover gasket

should be checked periodically. After closing the con-

tainer, the gasket should precisely adhere to the sur-

face.

Clearances and gaps between the cover and fuel

container are forbidden.

4.5. SPARE PARTS

To obtain information on the availability of spare parts for dry stove

or inquiries about equipment servicing please contact with DEFRO Ser-

vice Center or 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

The dry stove is delivered on a pallet, foil-wrapped and is fully as-

sembled. It is recommended to transport the dry stove, 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.

Appropriate lifts are to be used for lifting and lowering the dry stove.

For transport, the dry stove is to be secured against moving and tilting

on a vehicle's platform by means of belts, wedges and wooden blocks.

555

1118

715

128

971

154 308

220

425

448

551

248

178

202

118

322

138

181

9 | Page

The dry stove is to be transported in a vertical position!

The stove 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

Dry stoves should be installed in compliance with the

requirements of the currently applicable standards and

legal regulations and detailed regulations of the target

country. In Poland, these conditions are regulated by

the Regulation of the Minister of Infrastructure of 12

April 2002 on technical conditions which should be ful-

filled by buildings and its location. (Journal of Laws no.

75 of 2002 item 690 as amended) and Polish Standard

PN-EN 14785:2009 Residential space heating appli-

ances fired by wood pellets. Requirements and test

methods.

The manufacturer shall not be liable for the incorrect

execution of the equipment installation, including chim-

ney, ventilation and electric system.

Dry stove should be installed in a suitable location allowing open-

ing of the doors and carrying out regular maintenance works. The en-

vironment should be:

•adapted to operating conditions,

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

•equipped with a suitable flue gas exhaust system,

•equipped with an external ventilation system,

•equipped with an earthing system with the CE certificate.

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

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

sary to select a suitable position for stove installation. Check minimum

safe distances from materials susceptible to heat or inflammable ma-

terials such as load-bearing walls and other walls or wooden compo-

nents, furniture etc.

Picture 5 Minimum safe distances during setting of the dry stove.

Installation of the dry stove should observe the following safety

rules:

•a minimum distance of 200 mm from the side and rear of the

medium inflammable materials,

•and a minimum distance of 800 mm from the front wall, where

the medium inflammable materials cannot be located.

•objects made of highly inflammable materials should be lo-

cated at a distance minimum of 2000 mm from the 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 a wooden wall or wall made of other inflam-

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

In the case of the 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.

Dry stove should be located on a substrate with a suitable load-

bearing capacity. In accordance with the Polish Standards each square

meter of the floor slab in the single-family building should transfer a

load of 150 kg. If this condition is fulfilled the dry stove manufactured

by DEFRO can be installed without needing to reinforce the floor slab.

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

where the stove is to be installed, you should absolutely contact the

building designer to reinforce the floor slab or execute a special struc-

ture distributing the weight on a larger area.

The flooring in the room, where the dry stove is to be

installed, should be properly dimensioned, to maintain

the load.

To ensure the correct operation of the dry stove you should ensure

the suitable inflow of air required for combustion (it is appropriate to

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

and standards applicable in the given country. The volume of the sur-

rounding environment should not be less than 30 m3. You should as-

sume that the combustion of 1 kg of pellet requires ~8 m3of air.

Air should be supplied through fixed openings of a minimum 100

cm2cross-section made in the walls (near the stove) and directed to

the outside. These openings should be made in a way ensuring that

they cannot be plugged.

It is forbidden to install the dry stove in bedrooms, bath-

rooms and other rooms where other heating equipment

without independent air inflow is installed (fireplace,

stove, etc.).

It is also forbidden to set the dry stove in explosive at-

mospheres.

It is forbidden to cover circulation openings in the hous-

ing of the dry stove.

5.3. AIR INTAKE

The DEFRO HOME MYPELL stove intakes the air through the con-

nector (air intake) located at the rear of the equipment. Air for combus-

tion may be taken:

•From the same room, where the equipment is located,

•Using a duct connected to air intake that supplies the air from

outside.

5.3.1. AIR INTAKE FROM THE ROOM

Room, where the dry stove is installed, should be equipped with

the inflow of air in the minimum amount required for the 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.

In the case of the absence of the ventilation ducts in the room

where the furnace is installed - it is required to execute near the furnace

a through the opening with a free cross-section 100 cm2(opening with

protection on the

flooring

Distance from

combustible ma-

terial

Distance from the

highly combusti-

ble material

10 | Page

12 cm in diameter or square 10 10 cm), protected with grille on in-

ternal and external side, for this purpose. Furthermore, the air intake

should be:

•directly connected with the room, where the stove 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).

It is possible to supply using the air intake from the adjacent room

if:

•the adjacent room has a suitable air inlet from outside,

•adjacent room is not a garage, flammable materials storage

location and operations related to explosion risk are not per-

formed inside,

•the adjacent room should not be a bathroom, bedroom or a

common space of the building.

5.3.2. AIR INTAKE FROM OUTSIDE

A closed combustion chamber allows the installation of the DE-

FRO HOME MYPELL stove in the rooms equipped with heat recovery.

In such a case the stove should be supplied only with the air supplied

directly from outside (picture 6). Inlet pipe should have an elbow at its

end directed downwards or protected against the wind. Grilles with

small mesh should not be installed in such cases.

The suitable diameter of the duct supplying the air from outside

should be selected depending on its length:

•Supplying with a straight section of length not exceeding 1 m

can be implemented using a duct of 50 mm in diameter.

•The supply duct cannot have a diameter smaller than 100

mm in the other cases and the reducer of the duct diameter

should be located on the air intake.

air inlet connector (air intake)

Picture 6 Connection of the DEFRO HOME MYPELL heating stove to

the external air intake.

For connection to the external inlet of air and longer break in op-

eration (over 2 weeks), it is necessary to empty the bin and pellet

feeder.

5.4. FORCED SYSTEM FOR HOT AIR DISTRIBUTION IN DEFRO

HOME MYPELL DGP

The DEFRO HOME MYPELL stove allows supplying the hot air

distribution system. The stove is equipped with a fan forcing the circu-

lation of air. It sucks the hot air heated inside the stove and forces it to

all branches of the system. In such a case you should use a pipe con-

necting the DGP outlet connector with air distribution unit with the big-

gest possible cross-section and the shortest possible length. The total

length of duct supplying hot air should not exceed 5 m. If the hot air is

supplied over longer distances, then it is required to use additional DGP

equipment.

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 connection

system and arrangement of the individual parts.

5.5. INSTALLATION TO THE FLUE

Flue gas removal system from the DH MYPELL stove

should be checked acc. to PN-EN 13384-1+A1:2019-07 –

Chimneys - Thermal and fluid dynamic calculation

methods - Part 1: Chimneys serving one heating appli-

ance”, that specifies in detail the methodology for dy-

namic calculations of thermal and flow properties for

the chimneys serving one combustion appliance.

Each system should be considered on a case-by-case

basis, and the below information is not exhaustive and

they contain only guidelines for the execution of the

most typical solution.

The dry stove should be connected to an individual flue. Chimney

draught should be 12 ± 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

the pipe), with possible additional insulation using proper materials

(thickness 1.3 - 5 cm, heat conductivity min. 0.07 W/m °K).

As an alternative it is recommended to use insulated industrial

pipe, which can be also used outdoors, to avoid the occurrence of con-

densate.

The correctly executed connector between the DEFRO HOME

MYPELL stove and the flue or smoke duct should meet the following

conditions:

•horizontal sections should have a minimum slope of 3%,

•length of the horizontal section should be minimum and

should not exceed 3 meters,

•a number of changes of directions, inclusive of the use of the

“T” component, should not exceed 4.

A chimney or individual smoke duct should meet the following require-

ments:

•be resistant to combustion products, water-proof and suitably

insulated, in compliance with conditions of use,

•be made of materials resistant to normal mechanical

stresses, heat, the action of combustion products and possi-

ble condensate,

•be vertical with the change of axis direction not exceeding

45°,

•be adequately separated with void space or suitable insula-

tion from combusted and inflammable materials,

•have preferably circular internal cross-section: square or rec-

tangular cross-section should have rounded corners with a

radius not smaller than 20 mm,

•internal cross-section should be constant, free and independ-

ent,

•have a rectangular cross-section with the maximum ratio be-

tween two sides equal to 1.5,

•have a chimney cap with a suitable cross-section (not smaller

than the doubled cross-section of the chimney or flue duct),

Króciec wlotu powietrza

(czerpnia)

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