MCZ Ego AIR User Manual

8901134300

*Some installation advice given in this manual could contravenes UK building regulations guidelines. A supplementary instruction manual in provided to

give correct advice for installations within the UK”

USE AND MAINTENANCE MANUAL*

PELLET STOVES

Contents

INSTALLATION AND USE MANUAL

page 2

Contents

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

INTRODUCTION .................................................................................................................................... 4

1. WARNINGS AND GUARANTEE CONDITIONS ..................................................................................... 5

1.1. SAFETY INSTRUCTIONS .................................................................................................................... 5

1.2. OPERATING WARNINGS .................................................................................................................... 6

1.3. GUARANTEE CONDITIONS ................................................................................................................ 7

1.3.1. Limitations ................................................................................................................................. 7

1.3.2. Exclusions .................................................................................................................................. 7

2. THEORETICAL NOTIONS FOR INSTALLATION ................................................................................... 9

2.1. Pellets .............................................................................................................................................. 9

2.2. PRECAUTIONS FOR INSTALLATION ................................................................................................. 10

2.3. OPERATING AREA ........................................................................................................................... 11

2.4. CONNECTION TO THE EXTERNAL AIR INTAKE ................................................................................. 11

2.5. CONNECTION OF SMOKE DISCHARGE PIPE ...................................................................................... 12

2.6. CONNECTION TO THE FLUE PIPE .................................................................................................... 13

2.7. CONNECTION TO AN EXTERNAL FLUE WITH INSULATED OR DOUBLE-WALL PIPE .............................. 13

2.8. CONNECTION TO THE FLUE PIPE .................................................................................................... 13

2.9. OPERATING PROBLEMS CAUSED BY DRAUGHT DEFECTS IN THE FLUE .............................................. 14

3. INSTALLATION AND ASSEMBLY ...................................................................................................... 15

3.1. DRAWINGS AND TECHNICAL CHARACTERISTICS.............................................................................. 15

3.1.1. STAR Air – Comfort Air ............................................................................................................. 15

3.1.2. EGO Air – Comfort Air............................................................................................................... 16

3.1.3. Technical characteristics ........................................................................................................... 17

3.2. PREPARATION AND UNPACK ING .................................................................................................... 18

3.3. LATERAL CLADDING ASSEMBLY ....................................................................................................... 20

3.4. HOT AIR DUCTING CONNECTION ON EGO AND STAR COMFORT AIR MODELS ................................... 22

3.5. INSTALLATION OF AIR FILTER ........................................................................................................ 24

3.6. MAKING THE ELECTRICAL CONNECTIONS ....................................................................................... 24

4. OPERATION ..................................................................................................................................... 25

4.1. PRE-LIGHTING WARNINGS .............................................................................................................. 25

4.2. PRE-LIGHTING CHECK .................................................................................................................... 26

4.3. LOADING THE PELLETS ................................................................................................................... 26

4.4. CONTROL PANEL/REMOTE CONTROL DISPLAY (accessory) ............................................................... 27

4.4.1. Control panel logic ................................................................................................................... 27

4.4.2. Remote control (accessory) ...................................................................................................... 29

4.4.2.1. General characteristics of the LCD remote control ................................................................ 30

4.4.2.2. Type of batteries and replacement ..................................................................................... 30

4.5. SETTINGS TO CARRY OUT BEFORE FIRST LIGHTING ........................................................................ 30

4.5.1. Setting current day and time ..................................................................................................... 31

4.5.2. Setting the language ................................................................................................................ 33

4.6. FIRST LIGHTING ............................................................................................................................. 34

4.6.1. ON/OFF from the control panel or remote control (if purchased) ................................................. 34

4.6.2. Note on first ignition ................................................................................................................. 34

4.7. OPERATING MODE ......................................................................................................................... 35

4.7.1. Manual and automatic .............................................................................................................. 35

4.7.1.1.

Changing from manual to automatic mode

.......................................................................... 35

4.7.2. Manual mode ........................................................................................................................... 35

4.7.3. Automatic mode ....................................................................................................................... 36

4.7.3.1. Room sensor ..................................................................................................................... 36

4.7.3.2. External environment thermostat connection ....................................................................... 37

4.7.4. Automatic mode with AUTO-ECO .............................................................................................. 38

4.7.4.1.

Activation /de-activation of AUTO-ECO mode

...................................................................... 39

4.8. HOT AIR VENTILATION ................................................................................................................... 40

PELLET STOVES

Contents

INSTALLATION AND USE MANUAL

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Contents

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

4.8.1. COMFORT AIR version .............................................................................................................. 41

4.9. SLEEP FUNCTION ........................................................................................................................... 42

4.10. TIMER ........................................................................................................................................ 42

4.10.1. Current date and clock .......................................................................................................... 42

4.10.2. TIMER activation and selection of a programme. .................................................................... 43

4.10.3. TIMER de-activation. ............................................................................................................. 44

4.11. PRE-SET WEEKLY AND DAILY PROGRAMMES ................................................................................ 44

4.11.1. Weekly programmes ............................................................................................................. 44

4.11.2. Daily programmes ................................................................................................................. 46

4.12. PRACTICAL EXAMPLE OF DAILY PROGRAMMING ........................................................................... 48

4.12.1. Setting of a daily programme ................................................................................................ 48

4.13. SAFETY DEVICES......................................................................................................................... 48

4.14. ALARM SIGNALLING .................................................................................................................... 49

4.15. Exiting alarm condition ................................................................................................................ 51

4.15.1. Shutdown of the stove .......................................................................................................... 51

5. MAINTENANCE AND CLEANING ....................................................................................................... 52

5.1. DAILY AND WEEKLY CLEANING BY THE USER .................................................................................. 52

5.1.1. Before each lighting ................................................................................................................. 52

5.1.2. Check every 2/3 days ............................................................................................................... 52

5.1.3. Cleaning the glass .................................................................................................................... 53

5.1.4. Cleaning of the air filter ............................................................................................................ 53

5.2. PERIODIC CLEANING BY A SPECIALISED TECHNICIAN ..................................................................... 54

5.2.1. Cleaning of the heat exchanger ................................................................................................. 54

5.2.2. Cleaning an Ego/Star Comfort air stove ..................................................................................... 55

5.2.3. Shutting the stove down (end of season) ................................................................................... 56

5.2.4. Check of internal components ................................................................................................... 56

6. PROBLEMS / CAUSES / SOLUTIONS ................................................................................................ 57

7. ELECTRICAL DIAGRAMS .................................................................................................................. 59

PELLET STOVES

Chapter 1

INSTALLATION AND USE MANUAL

page 4

Introduction

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

ATTENTION This warning sign indicates that the message to which it

refers should be carefully read and understood, because failure to comply with what these notices say can cause serious damage to the stove and put the user's safety at risk.

INFORMATION This symbol is used to highlight information which is

important for proper stove operation. Failure to comply with these provisions will compromise use of the stove and its operation will not be satisfactory.

OPERATING SEQUENCES:

Indicates a sequence of buttons to be pushed to access menus or to make adjustments.

MANUAL

Indicates that you should carefully read this manual or the related instructions.

INTRODUCTION

Dear Customer, We wish to thank you for choosing an MCZ product, specifically a stove

of the MCZ pellet line.

In order to get the best performance from your stove and to enjoy to the full the warmth and the sense of well-being which the flame will diffuse through the home, we recommend that you read this booklet carefully before lighting the s

tove for the first time. While thanking you again, may we remind you that the stove MUST

NOT be used by children, and that they must always be kept at a safe

distance from it!

Revisions to the publication

In order to improve the product, to keep this publication up to date the manufacturer reserves the right to make modifications without any advance notice. Any reproduction, even in part, of this manual without the consent of the manufacturer is prohibited.

Care of the manual and how to consult it

 Take good care of this manual and keep it in a place which can

easily and quickly be reached.

 If this manual should be lost or destroyed, or if it is in poor

condition, ask for a copy from your retailer or directly from the manufacturer, providing product identification data.

 Information which is essential or that requires special attention is

shown in bold text.



Italic text

is used to call your attention to other paragraphs in the

manual or for any additional clarifications.

SYMBOLS USED IN THE MANUAL

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INSTALLATION AND USE MANUAL

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Warnings and guarantee conciliations

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

 Installation of the stove, making the electrical

connections, checking its operation, and maintenance are all tasks which should be carried out by qualified and authorised personnel.

 Install the stove in accordance with the

regulations in force in your local area, region and country.

 This apparatus cannot be used by people

(including children with limited physical, sensorial or mental abilities or with little experience and know-how unless they have been viewed or instructed on the use of the apparatus by the person responsible for its safety.

 For the correct use of the stove and of the electronic

apparatus connected to it, and to prevent accidents, the instructions given in this booklet must always be followed.

 Use, adjustment and programming must be carried out

by adults. Errors or incorrect settings may cause hazardous conditions and/or poor operation.

 Before beginning any operation, the user, or whoever is

preparing to operate on the stove, must have read and understood the entire contents of this instruction booklet.

 The stove is to be used only for its intended purpose.

Any other use is to be considered improper and therefore hazardous.

 Do not use the stove for standing on or as any kind of

support.

 Do not put clothes to dry on the stove Any clothes

hangers and suchlike must be kept a suitable distance from the stove. Danger of fire.

 All responsibility for improper use is taken entirely by the

user and such use relieves MCZ of any civil or criminal responsibility.

 Any kind of tampering or unauthorised substitution of

non-original spare parts can be hazardous for the safety of the operator and relieves MCZ of any civil or criminal responsibility.

 Most of the surfaces of the stove are extremely hot (the

door, the handle, the glass, smoke discharge pipes etc.). Avoid coming into contact with these parts, therefore, without adequate protective clothing or suitable implements, such as gloves with thermal protection or implements which keep the hands cool.

 Under no circumstances should the stove be run

with the door open or the glass broken.

 Do not touch the stove with wet hands, in view of the

fact that it is an electrical appliance. Always disconnect the supply cable before doing anything to the unit.

1. WARNINGS AND GUARANTEE CONDITIONS

1.1. SAFETY INSTRUCTIONS

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INSTALLATION AND USE MANUAL

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Warnings and guarantee conciliations

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

 Before carrying out any cleaning or maintenance

operation, make sure in advance that the stove is disconnected from the mains electricity supply, by turning off the main switch located on the back of the stove, or by unplugging the supply cable.

 The stove must be electrically connected to a system

equipped with an effective earth conductor.

 The system must be of adequate rated capacity for the

stated electrical power of the stove.

 Incorrect installation or faulty maintenance (not

conforming to the requirements set out in this booklet) can cause harm to people, animals or property. In such cases MCZ is absolved from any civil or criminal responsibility.

 Shut the stove down in the event of a breakdown or

bad running.

 Pellets must not be fed manually into the burner.  Accumulated unburnt pellets in the burner after

repeated failed ignitions must be removed before lighting.

 Do not wash the inside of the stove with water.  Do not wash the stove with water. The water could get

inside the unit and damage the electrical insulation and cause electric shocks.

 Do not expose your own body to hot air for extended

periods. Do not overheat the room you are in and where the stove is installed. This could cause injuries and health problems.

 Do not expose plants or animals directly to a current of

hot air. Both plants and animals could be harmed by it.

 Do not put any fuels in the hopper but wood pellets.  Install the stove in a location which is suitable for

firefighting, and equipped with all services such as air and electricity supply and provision for discharging combustion gases.

 If there is a fire in the flue pipe, extinguish the stove,

disconnect it from the power supply and never open the door. Then contact the competent authorities.

 If the stove and the ceramic cladding are in storage, it

should be in a place that is free of damp, and they should not be exposed to extremes of temperature.

 It is inadvisable to base the stove directly on the floor,

and if the floor is made of flammable material, it must be suitably insulated.

 Do not light the stove with flammable materials if the

ignition system breaks down.

1.2. OPERATING WARNINGS

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Warnings and guarantee conciliations

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

INFORMATION  In case of any problems, get in touch with your dealer, or a

qualified engineer authorised by MCZ, and if a repair is necessary, insist on the use of original spare parts.

 Use only the fuel recommended by MCZ (for Italy pellets

with a diameter of 6 mm and for other European countries with a diameter of 6-8 mm) and provided only with an automatic supply system.

 Periodically check and clean the smoke outlet ducts

(connection to the flue pipe).

 Accumulated unburnt pellets in the burner after

repeated failed ignitions must be removed before lighting.

 The pellet stove is not a cooking appliance.  Always keep the cover of the fuel hopper closed.  Keep this instruction manual carefully because it must

stay with the stove throughout its working life. If the stove is sold or transferred to another user, always make sure that the booklet goes with the product.

 If it gets lost, ask MCZ or your authorised dealer for

another copy.

MCZ guarantees the stove, excluding the components which are subject to normal, for a period of two years from the date of purchase, as proved by a supporting document which gives the name of the vendor and the date on which the sale took place. The guarantee is conditional on the guarantee certificate being filled in and returned within 8 days, and requires that the product be installed and tested by a specialised installer, according to the detailed instructions given in the instruction booklet supplied with the product.

The term 'guarantee' is to be understood to denote the freeof-charge replacement or repair of parts recognised to

have been defective at the start by reason of manufacturing defects.

1.3. GUARANTEE CONDITIONS

1.3.1. Limitations

The above guarantee does not cover components relating to electrical and electronic parts, or fans, on which the guarantee period is 1 year from the purchase of the product, documented as specified above. The guarantee does not cover parts subject to normal wear such as gaskets, glass, and any parts with can be removed from the firebox.

The replacement parts will be guaranteed for the remainder of the guarantee period starting from the date of purchase of the product.

1.3.2. Exclusions

Variations in colour in the painted or ceramic parts, and crackling of the glaze on the ceramics, do not constitute grounds for a claim under the guarantee, as they are natural characteristics of the material and of the use of the product.

The guarantee does not cover any parts which may be found to be faulty as a result of negligence or carelessness in use, or of incorrect

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INSTALLATION AND USE MANUAL

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Warnings and guarantee conciliations

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

CLAIMS UNDER THE GUARANTEE

the request for action under the guarantee must be addressed to the retailer, who will forward the claim to MCZ's technical assistance service.

MCZ refuses to accept any responsibility in the event that the stove or any other accessory have been improperly used or modified without authorisation.

For all replacement of parts, only original MCZ spare parts must be used.

maintenance, or of installation not complying with MCZ's specification (see the relevant chapters in this user manual).

MCZ refuses to accept any responsibility for any damage which may be caused, directly or indirectly, by persons, animals or things in consequence of the failure to observe all the prescriptions laid down in the instruction booklet, especially those concerning warnings on the subject of installation, use and maintenance of the appliance.

If the product does not perform correctly, contact your local retailer and/or importer.

Damage caused by transport and/or handling is excluded from the guarantee.

For installation and use of the product, reference must be made exclusively to the booklet supplied.

The guarantee will be invalidated in the event of damage caused by tampering with the appliance, atmospheric agents, natural disasters, electrical discharges, fire, defects in the electrical system, and caused by lack of, or incorrect, maintenance in terms of the manufacturer's instructions.

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INSTALLATION AND USE MANUAL

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Theoretical notions for installation

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

The poorer the quality of the fuel, the more frequently will intervention be necessary for cleaning the internal parts, such as the grate and the combustion chamber.

Fuel pellets

15 Kg sack of fuel

2. Theoretical notions for installation

2.1. Pellets

Wood pellets are manufactured by hot-extruding compressed sawdust which is produced during the working of natural dried wood. The compactness of the material comes from the lignin which is contained in the wood itself, and allows the production of pellets without the use of glues or binders.

The market offers different types of pellet with characteristics which vary depending on what mixture of woods is used. The diameter varies between 6 mm and 8 mm, with a standard length in the range 5 mm to 30 mm. Good quality pellets have a density which varies between 600 kg/m3 and 750 kg/m3, with a moisture content which varies from 5% to 8% by weight.

Besides being an ecological fuel (exploiting timber residues to the maximum and achieving cleaner combustion than is possible with fossil fuels), pellets also have technical advantages. While good-quality timber has a calorific power of 4.4 kW/kg (with 15% moisture, therefore after about 18 months' seasoning), the equivalent figure for pellets is 4,9 kW/kg.

To ensure good combustion, the pellets must be stored in an area that is free of humidity and protected from dirt. The pellets are usually supplied in 15 kg. sacks, so storing them is very convenient.

Good quality pellets ensure good combustion, thus lowering the emission of harmful agents into the atmosphere.

The main certifications of quality for pellets in the European market are DINplus and Ö-Norm M7135; these ensure respect of:

 Calorific power: 4.9 kW/kg  Water content: max 10% of weight  Percentage of ashes: max 0,5% of weight  Diameter: 5 – 6mm  Length: max 30mm  Contents: 100% untreated wood, with no added bonding

substances (bark percentage 5% max)

 Packaging: in sacks made from ecologically compatible or

biologically decomposing material

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Theoretical notions for installation

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MCZ strongly recommends using certified fuel in its stoves (DINplus e Ö-Norm M7135).

The use of fuel of inferior quality or not conforming to the specification given above compromises the running of your stove and can therefore lead to the termination of the guarantee and of the manufacturer's responsibility for the product. MCZ pellet stoves run exclusively on pellets with a diameter of 6 mm (only for Italy) and 6-8 mm (European countries) with lengths that go from 5 mm to 30 mm.

IMPORTANT! Installation and assembly of the stove must be

carried out by qualified personnel.

IMPORTANT! The stove must be connected to a flue pipe or a

vertical duct which can discharge the fumes at the highest point of the building.

The fumes are however derived from the combustion of wood products, and if they come into contact with or close to walls, they can make dirty marks.

Also take care because the fumes are very hot but almost invisible, and can cause burns on contact.

The holes for the passage of the smoke pipe and for the intake of air from outside should be made before positioning the stove unit.

2.2. PRECAUTIONS FOR INSTALLATION

The stove must be installed in a suitable position to allow the normal operations of opening and ordinary maintenance.

The site must be:

 capable of providing the environmental conditions for operation  equipped with power supply 230V 50 Hz  capable of taking an adequate system for smoke discharge  provided with external ventilation  provided with an earth connection complying with CEI 64-8

The stove must be connected to a flue pipe or an internal or external vertical duct conforming to current standards UNI 7129 - 7131 9615.

The stove must be positioned in such a way that the electrical plug is accessible.

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Theoretical notions for installation

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It is not permissible to install the stove in bedrooms, bathrooms, or in a room where another heating appliance is installed (fireplace, stove etc.) which does not have its own independent air intake.

Locating the stove in a room with an explosive atmosphere is prohibited. The floor of the room where the stove is to be installed must be strong enough to take its weight.

If the flooring is made of wood, provide a floor protection surface in compliance with current national standards.

Example of pellet stove installation

2.3. OPERATING AREA

For proper functioning and a good temperature distribution, the stove should be positioned in a location where it is able to take in the air necessary for combustion of the pellets (about 40 m3/h must be available), as laid down in the standard governing the installation and in accordance with local national standards.

The volume of the room must not be less than 30 m3. The air must come in through permanent openings made in walls (in

proximity to the stove) which give onto the outside, with a minimum cross-section area of 100 cm2.

These openings must be made in such a way that it is not possible for them to be obstructed in any way.

Alternatively, the air can be taken from rooms adjacent to the one which needs ventilating, as long as they are provided with an air intake from the outside, and are not used as bedrooms or bathrooms, and provided there is no fire risk such as there is for example in garages, woodsheds, and storerooms, with particular reference to what is laid down in current standards.

If the walls are not flammable position the stove with a minimum rear

clearance of at least 10 cm. If walls are flammable maintain a minimum rear distance of 5 cm (A)

and side distance of 10 cm (B) for Ego/Star Air stoves. For Comfort air stoves maintain a minimum rear distance of 20 cm (A), side distance of 20 cm (B) and front distance of 100 cm.

If the room contains objects which are believed to be particularly delicate, such as drapes, sofas and other furniture, their distance from the stove should be considerably increased.

2.4. CONNECTION TO THE EXTERNAL AIR INTAKE

It is essential that at least as much air must be able to flow into the room where the stove is installed as is required for proper combustion in the appliance and for the ventilation of the room. This can be effected by means of permanent openings in the walls of the room to be ventilated, which give onto the outside, or by single or collective ventilation ducts.

For this purpose, on the external wall near the stove, a hole must be made with a minimum free cross-section of 100 cm². (equivalent to a round hole of 12 cm diameter or a square hole 10x10 cm), protected by a grille on the inside and the outside.

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Theoretical notions for installation

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It is not compulsory to connect the air intake directly with the stove (so that it draws air directly from outside), but it is essential at all events to ensure an airflow of 50 cubic metres per hour by the use of a hole of the dimensions given. See standard UNI 10683.

Pipes and unions with suitable gaskets must always be used, to guarantee a hermetic seal.

All sections of the smoke duct must be inspectable and removable to enable periodic internal cleaning. Tee connectors with inspection caps should be used.

IMPORTANT! All 90 degree changes of direction in the flue pipe must be fitted with suitable tee connectors to allow the possibility of inspection. (see accessories for pellet stove)

It is absolutely prohibited to fit a grille on the end of the discharge pipe, because it could lead to poor running of the stove.

FOR CONNECTION TO THE FLUE PIPE, NOT MORE THAN 2-3 METRES OF HORIZONTAL PIPE MUST BE USED AND NOT MORE THAN THREE 90° CURVES MUST BE USED IT IS ALSO ADVISABLE NOT TO EXCEED 6 METRES IN LENGTH WITH THE PIPE Ø 80 mm

Example of pellet stove installation

Rear view of a pellet stove

1) Combustion air intake

2) Smoke outlet

3-5 %

2 - 3 mt. MAX

The air intake must also:

 communicate directly with the room where the stove is installed  be protected by a grille, metal mesh or suitable guard, as long as

this does not reduce the area below the minimum.

 be positioned in such a way as to be impossible to obstruct

2.5. CONNECTION OF SMOKE DISCHARGE PIPE

When making the hole for the passage of the smoke discharge pipe, it is necessary to take into account the possible presence of flammable materials. If the hole will be going through a wall made of wood or any other material which is sensitive to heat, the INSTALLER MUST first of all use the special wall union (diam.13cm 13cm minimum) and properly insulate the pipe of the stove that passes through it, using adequate insulation materials (thickness 1.35cm with minimum thermal conductivity of 0.07 W/m°K). The same is true if the stove pipe must run through vertical or horizontal stretches passing in proximity (min.20cm) to the heatsensitive wall As an alternative we recommend the use of insulated pipe, which can also be used on the outside to avoid condensation. The combustion chamber works in low pressure. The smoke duct for the discharge of fumes will also be under low pressure when connected to an efficient flue pipe as directed.

Position the stove bearing in mind all the instructions and considerations above.

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Theoretical notions for installation

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

This type of connection ensures the evacuation of the fumes even in the event of a temporary power cut.

0,5 mt.

1) Windproof cowl

2) Flue pipe

3) Inspection

0,5 mt.

1) Windproof cowl

2) Flue pipe

3) Inspection

3-5 %

2 - 3 mt. MAX

0,5 mt.

1) Windproof cowl

2) Flue pipe

3) Inspection

2.6. CONNECTION TO THE FLUE PIPE

The flue pipe must have internal dimensions not larger than 20 x 20 cm, or diameter 20 cm. In the event of larger dimensions, or of the flue pipe being in poor condition (for example cracks, poor insulation, etc.), it is advisable to fit a stainless steel pipe of suitable diameter inside the flue pipe throughout its length, right up to the top. Check with suitable instruments that there is a minimum draught of 10 Pa. At the bottom of the flue pipe, provide an inspection cap to allow periodic checking and cleaning, which must be done annually. Make a gas-tight connection to the flue pipe, using pipes and connectors as recommended by us. You must ensure that a windproof cowl should be fitted which complies with the standards in force.

2.7. CONNECTION TO AN EXTERNAL FLUE WITH INSULATED OR DOUBLE-WALL PIPE

The external fluepipe must have internal dimensions of minimum 10x10 cm or 10 cm diameter, and maximum 20x20 cm or 20 cm diameter. Check with suitable instruments that there is a minimum draught of 10 Pa. The only type of pipe which is permissible is insulated (double-walled) stainless steel, smooth on the inside, fixed to the wall. Flexible stainless steel pipe must not be used. At the bottom of the flue pipe, provide an inspection cap to allow periodic checking and cleaning, which must be done annually. Make a gas-tight connection to the flue pipe, using pipes and connectors as recommended by us. You must ensure that a windproof cowl should be fitted which complies with the standards in force.

2.8. CONNECTION TO THE FLUE PIPE

For proper functioning, the connecting pipe between the stove and the chimney or flue duct must have a slope of not less than 3% in the horizontal stretches, the length of which must not exceed 2/3 metres, and the vertical distance between one tee connector and another (change of direction) must not be less than 1.5m. Check with suitable instruments that there is a minimum draught of 10 Pa. At the bottom of the flue pipe, provide an inspection cap to allow periodic checking and cleaning, which must be done annually. Make a gas-tight connection to the flue pipe, using pipes and connectors as recommended by us. You must ensure that a windproof cowl should be fitted which complies with the standards in force.

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Theoretical notions for installation

Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited

IMPORTANT! The operation of the pellet stove is noticeably

sensitive to the conformation and position of the flue which is adopted.

Hazardous conditions can only be overcome by suitable setting-up of the stove carried out by qualified MCZ personnel.

2 3

E.g. Crosswind 2: 8 m/sec Depression of 30Pa

E.g. Downdraft at 45° of 8m/sec. Overpressure of 17 Pa

1-2 = High-pressure zones 3-4 = Low-pressure zones

WIND

Least favourable points

Most favourable position

WIND

Downdraft

High-pressure zone

Low-pressure zone

2.9. OPERATING PROBLEMS CAUSED BY DRAUGHT DEFECTS IN THE FLUE

Of all the weather and geographical conditions which affect the operation of a flue pipe (rain, fog, snow, altitude a.s.l., exposure to sunlight, direction of facing), the wind is unquestionably the most decisive. In fact, along with thermal depression caused by the difference in temperature inside and outside of the chimney, there is another type of depression or over-pressure: dynamic pressure caused by the wind. An updraft always increases depression and hence draught. A crosswind increases depression provided the cowl has been installed properly. A downdraft always decreases depression, at times inverting it.

Besides the direction and force of the wind, the position of the flue and the cowl with respect to the roof of the building and the surrounding landscape is important.

The wind also influences the operation of the chimney indirectly by creating high-pressure and low-pressure zones, not only outside the building but inside as well. In rooms directly exposed to the wind (2), an indoor high-pressure area can be created which can augment the draught in stoves and fireplaces, but it can be counteracted by the external high pressure if the cowl is situated on the side exposed to the wind (1). On the other hand, in the rooms on the opposite side from the direction of the wind (3), a dynamic depression can be created which competes with the natural thermal depression developed by the chimney, but this can be compensated for (sometimes) by locating the flue on the opposite side from the direction of the wind (4).

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Installation and fitting

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3. INSTALLATION AND ASSEMBLY

3.1. DRAWINGS AND TECHNICAL CHARACTERISTICS

3.1.1. STAR Air – Comfort Air

PELLET STOVES

Chapter 3

INSTALLATION AND USE MANUAL

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Installation and fitting

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IMPORTANT! The hole in the EGO and STAR stoves for the hot air

outlet, situated at the top on the rear of the stove, is only present in the COMFORT AIR model.

3.1.2. EGO Air – Comfort Air

PELLET STOVES

Chapter 3

INSTALLATION AND USE MANUAL

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Installation and fitting

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Technical characteristics

Star – Ego Air

Star – Ego Comfort Air

Nominal output power

8 kw / 6880 kcal/h

Minimum output power

2.4 kw / 2064 kcal/h

Yield at maximum

91,7 %

Yield at minimum

94,1 %

Temperature of exhaust smoke at maximum

170°C

Temperature of exhaust smoke at minimum

100°C

Particulate /OGC / Nox (13%O2)

22 mg/Nm3 - 5 mg/Nm3 - 123

mg/Nm3

22 mg/Nm3 - 6 mg/Nm3 - 121

mg/Nm3

CO at 13%O

at minimum and maximum

0.025 — 0.014%

CO2 at minimum and maximum

5.7% – 8.7%

Smoke mass

6.6 g/sec

Minimum draught at maximum power

0.10 mbar – 10 Pa

Minimum draught at minimum power

0.05 mbar – 5 Pa

Hopper capacity

35 litres

Fuel pellet type

Pellet diameter 6-8 mm. Length

range 5-30 mm

Pellet diameter 6-8 mm. Length

range 5-30 mm

Pellet consumption per hour

Min ~ 0.6 kg/h * Max. ~ 1.8

kg/h *

Min ~ 0.6 kg/h * Max. ~ 1.8

kg/h *

Operating time between re-fuelling

At min~ 40 h * At max. ~ 13

h *

At min~ 40 h * At max. ~

13 h *

Heatable volume m3

172/40 – 196/35 – 229/30 **

Combustion air inlet

External diameter 50 mm.

Smoke outlet

External diameter 80 mm.

Rated electrical power (EN 60335-1)

Max. 420 W – Med. 80 W

Power supply frequency and voltage

230 Volts / 50 Hz

Net weight

140 kg

Weight with packaging

150 Kg

Distance from combustible material (rear)

50 mm

200 mm

Distance from combustible material (sides)

100 mm

200 mm

3.1.3. Technical characteristics

* Data that may vary depending on the type of pellets used ** Volume that can be heated, according to the power requirement per m3 (respectively 40-35-30 Kcal/h per m3) Install in accordance with the applicable regulations in force.

Head according to EN 14785 in agreement with the EU Building Products Regulation (EU 305/2011).

PELLET STOVES

Chapter 3

INSTALLATION AND USE MANUAL

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Installation and fitting

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Figure 1 – Example of packaging stove + steel sides (Ego stove)

Figure 2 - Example of packing for ceramics

Figure 3 - Example of soapstone packaging

Figure 4 - Removing packaging screws (in figure Ego stove)

3.2. PREPARATION AND UNPACK ING

STAR AND EGO stoves are delivered with two different packagings:

 The EGO stove has one packaging

o It contains the stove and the steel sides with the

profiles (Fig.1)

 The STAR stove has two packagings

o One contains the stove and the profile for the ceramic

or the soapstone

o One contains the ceramic (fig.2). In this case there will

be a single packaging for the structure (the cardboard with the ceramics will be placed above the packaging with the structure)

o or Soapstone (fig.3) (in this case there are two

packagings structure + soapstone pallet)

Open the packaging, remove the four screws that secure the base of the stove to the pallet, two to the right and two to the left (see figure

4), and position the stove in the selected place, ensuring that it is complies with the above instructions.

The stove body or unit must always be kept in a vertical position when moved, and moved only using carts. Special care must be used to protect the door and the glass from impacts that would damage them.

Moving the product must always be done with care. If possible, unpack the stove in the area where it is going to be installed.

The materials which make up the packaging are not toxic or harmful, so no special procedures for disposal by required.

Their storage, disposal or possible recycling are therefore the responsibility of the final user, in compliance with current legislation on the subject.

Do not store the stove unit or its cladding without their packaging.

+ 42 hidden pages

MCZ Ego AIR User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual