Euroheat EVO AQUA 9, EVO AQUA 15 Operating Instructions Manual

This Manual Must Always be Available to the Stove Operator

Operating Instructions

EVO AQUA 9

EVO AQUA 15

Self-contained central

heating pellet stove

3-14.9 kW

IN1232 Edition 1 July 2011

PART NUMBER

SERIAL NUMBER

© EUROHEAT DISTRIBUTORS (H.B.S) LTD. July 2011

Instructions Part Number IN1232 Ed 1

2

Table of Contents

Important Information ....................................................................................................3

Functional Description and Technical Features ................................................................5

Prior to First Lighting ......................................................................................................8

Operation and Heating Mode ..........................................................................................9

Operating Mode Sub-Menu Tree....................................................................................10

Setup Sub-Menu Tree ....................................................................................................11

Info Sub-Menu Tree .......................................................................................................12

Suction Conveying System Sub-Menu Tree ....................................................................13

Operating Mode Sub-Menu Explained ...........................................................................14

Setup Sub-Menu Explained ...........................................................................................14

Info Sub-Menu Explained .............................................................................................14

Suction Conveying System Sub-Menu Explained ...........................................................14

Displays .........................................................................................................................15

Operating Statuses ........................................................................................................15

Fault Messages ..............................................................................................................16

Operation of Combustion Chamber Doors and Pellet Storage Cover .............................17

STB Safety Cutout/Fuse Replacement ...........................................................................18

Cleaning and Service Overview .....................................................................................19

© EUROHEAT DISTRIBUTORS (H.B.S) LTD. July 2011

Instructions Part Number IN1232 Ed 1

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IMPORTANT

 The installation of this appliance must comply with all local regulations, including those referring to
National and European Standards before it can be operated. The stove is not suitable for a shared flue.

 Improper adjustment, alteration, maintenance or the fitting of replacement parts not recommended
by the manufacturer can cause injury or property damage. Do not operate the appliance with faulty
seals or damaged glass.

 Ensure all manuals are kept safely and are available for the user at all times.

 Do not store or use petrol or other flammable vapours and liquids in the vicinity of this or any other

heating appliance. Do not use aerosol sprays near the stove when the stove is alight. Do not burn
anything but approved wood pellets on this appliance.

 Due to high operating temperatures of this appliance it should be located away from pedestrian traffic
and away from furniture and draperies. Do not store paper or wood near the appliance. Any mats and
rugs put in front of the stove should be fire proof and secured to prevent the possibility of tripping.

 Advise all persons as to the stove’s high surface temperatures, including visitors. If it is possible for
children or infirm adults to come into contact with the appliance, fit a suitable fire guard. Never let
children “help” with the appliance in any way, even when the stove is cold.

 It is imperative that all air passageways into, out of, and within the appliance are kept clean. All
permanent ventilation into the room provided for the stove must remain clear and unobstructed at all
times. Consideration must be given to the need for extra ventilation if another heating source needing
air is to be operated simultaneously. If an extraction fan is proposed to be fitted to a connecting
area of the house, after the stove has been installed, professional advice should sought from a
qualified engineer.

 If a flue blockage or adverse weather conditions cause the appliance to emit smoke, do not treat it as
merely a nuisance, this smoke will indicate that carbon monoxide is being emitted into the room.
Properly installed, operated and maintained this appliance will not emit fumes into the dwelling.

WARNING: If fume emissions persist the following immediate action should be taken:
Turn the stove off, on the control panel, open windows to ventilate the room and leave the premises
and allow the appliance to go out before closing the windows. Do not re-light the stove without
consulting a qualified engineer.
Your installing engineer should have fitted a CO alarm in the same room as the stove. If the alarm
sounds unexpectedly, follow the instructions in the above paragraph.

 In the event of a chimney fire the stove should be turned to off and the fire brigade informed.
Do not re-light the stove until the complete installation has been inspected by a qualified
engineer.

 The appliance should be inspected and cleaned regularly and the chimney cleaned at least annually.
More frequent cleaning may be required and the advice of a qualified chimney sweep should be
sought. Always check for any flue blockage before lighting the appliance after a prolonged shut down.

This appliance has been carefully designed and constructed to give clean burning with optimum efficiency
and safety, but as with all heating appliances these standards will not be achieved unless it is installed and
maintained regularly by qualified engineers. It must also be operated strictly with the procedures given in this
manual.

If you are unsure about anything concerning your stove please seek professional advice.

© EUROHEAT DISTRIBUTORS (H.B.S) LTD. July 2011

Instructions Part Number IN1232 Ed 1

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The Model Range Explained

Thank you for purchasing your stove and helping to protect our environment. RIKA SHT and Euroheat insist on
progressive development to produce products which are market leading. Our aims are to produce stoves with
the latest innovations, user friendly operation and high efficiency for lower cost operation.

This operating manual offers user information for the Evo Aqua 9 and 15 kW pellet stoves.

Model Identification

You will see on the front page of this document a label which confirms which model you have. This label also
advises you of the stoves unique serial number. This information is also attached to your stove for reference.

Important

Please ensure the warranty registration form is returned to Euroheat. In this way the model and its history will
be recorded for reference in the future.

Stoves supplied through Euroheat authorized retailers.
For England, Wales, Scotland and Northern Ireland

Euroheat Distributors (H.B.S). Ltd.
Unit 2,
Court Farm Business Park,
Bishops Frome,
Worcestershire. WR6 5AY.

Whilst we are always happy to assist you, please make sure you have read this manual before requesting
support. First contact your supplying retailer. If you find this not successful contact the Euroheat Technical
Support Team.
Technical support telephone Number 01885 491117. E-mail [e-mail]. Before telephoning ensure
you have your stove’s serial number to hand. This can be found on the front of either the operating, installation,
warranty registration, or on the stove identification label.

Euroheat unfortunately are unable to offer support for appliances which were not supplied by Euroheat.

www.euroheat.co.uk

[e-mail]

SHT Heiztechnik aus Salzburg GmbH
Rechtes Salzachufer 40
A 5101 Salzburg
Austria

Tel.: [phone]
Fax: [phone]

Email: [e-mail]
Website: www.sht.at

© EUROHEAT DISTRIBUTORS (H.B.S) LTD. July 2011

Instructions Part Number IN1232 Ed 1

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Functional Description and Technical Features

The EVO AQUA is an appliance designed to be fired specifically
by wood pellets (must comply with EN Plus). This appliance is
a boiler (central heating).

Heat energy is transferred via the stove surface (the majority
of radiant heat arises via the inspection window) to the room
and via the water heat exchanger to the heat dissipation
system. For example, hot water is “produced” and the heat is
dissipated via this medium to the buffer cylinder.

In heating mode, you can switch on the boiler and select the
required boiler output or temperature; the system can be
switched on or off automatically or the necessary output stage
can be adjusted automatically via external control units.

The comb grate is cleaned automatically when the system
starts up either manually or automatically. The wood pellets
are conveyed to the combustion chamber via an ascending
worm screw (with an intermediate rotary valve as burn-back
protection) and ignited by electrical ignition devices.
The screw conveyor delivers pellets automatically. The oxygen
necessary for combustion flows into the combustion chamber
in a controlled manner. The combustion gases burn out in the
combustion chamber and the downstream flue gas ducts, the
heat being released via heat exchanger surfaces. A suction

fan (which may generate some noise at high and low control
settings), adjusted to the fuel quantity and the necessary combustion air, ensures a stable vacuum in the boiler
and transports the flue gases safely to the flue.
The necessary air quantity is controlled via the combustion temperature.

System Requirements

The stove is always combined with other devices and therefore have specific system requirements to ensure
trouble-free operation. A number of very important requirements are described in detail in the following
paragraphs.
In the preliminary stages a well-thought-out installation plan should be drawn up by a qualified installer or
heating engineer, so that individual system components can be adapted to each other and the required overall
solution achieved.
Hydraulic balancing of the system as a whole is essential for correct operation.

Application Possibilities

- as a main heating system: Operation as central heating appliance in low-energy and single-family homes
including water heating.

- as an additional heating system: Operation in addition to other heat sources.
This distinction is important when designing the system and selecting components (solar system, buffer
cylinder, etc.). Make sure you observe the information in the assembly instructions.

© EUROHEAT DISTRIBUTORS (H.B.S) LTD. July 2011

Instructions Part Number IN1232 Ed 1

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As a general rule, a heat load calculation must be performed by the qualified heating engineer for every boiler
installation location.

Experience shows that a heating system is operated at rated load for a total of approx. 1800 hours during a
heating season (total rated load and partial load hours added together).

E.g.: EVO 9: rated output 10 kW * 1800 h = 18,000 kWh per year; pellet calorific value approx. 4.8 kWh/kg

Pellets required per year approx. 18,000 kWh / 4.8 kWh/kg = 3750 kg

Note: Domestic Water Heating in Summer Operation

The EVO AQUA is distinguished by an especially low radiation output in the living room and by a very good air
to water capacity (9 kW: approx. 13:87%; 15 kW: approx. 10:90%). However, as the radiation output cannot be
entirely avoided for physical reasons, domestic water heating during the summer months can lead to undesirable
heating of the installation location. If this heating is not required, we recommend combined operation with
alternative domestic water heating systems (e.g. solar, immersion heater).Your heating specialist will be happy
to advise you.

Note: Heating Surfaces/Radiators in the Installation Room

In transitional heating periods (spring, autumn), when using in combination with additional heat sources (e.g.
solar system with buffer cylinder), it is possible that the heating appliance may not operate as sufficient heat
is supplied by the additional heat source.
If there are no heating surfaces (e.g. radiators) in the installation room, the room would not be heated in this
case. For this reason, make sure that there is always a corresponding heating surface in the installation room.

Water System, Output Consumption

Heating requirements must ensure that the appliance operates for 1.5 to 2 hours at least 50% of the rated
output per combustion cycle.

Room and Ambient Temperatures/Humidity

The system is designed for operation in living rooms with normal humidity and ambient temperatures of +5°C
to +40°C.
At room temperatures below 5°C, suitable frost protection must be provided in the water circuit.
The system is not splashproof and must not be installed in wet rooms.

Flue Connection

It is imperative that the appliance is connected to a flue suitable for solid fuels. The flue draught must always
be between a minimum of 5 and a maximum of 15 Pa. If the flue draught is too high (>15 Pa), we recommend
fitting a draught regulator.

Combustion Air Supply

a) The appliance operates as an open flue system. An adequate combustion air supply is essential.

b) It is possible to fit an external combustion air supply to the EVO AQUA during installation or at a later date.
i.e. all the combustion air is drawn from outside of the building.

Pellet Quality

Wood pellets are 100% wood residues in their natural state (wood shavings, sawdust, etc.). Dry wood residues
are chopped up and compacted to form wood pellets. Pellet quality is defined by EN Plus.
In practice: 2 kilograms of wood pellets correspond to approximately one litre of heating oil . Wood pellets must
be transported and stored completely dry. If they come into contact with moisture, pellets swell up considerably
as wood is hygroscopic (i.e. it constantly exchanges humidity with the environment).