HWAM Autopilot IHS 3120 User manual
User's Manual
Instruzoni per l'uso
GB
IT
21.11.2014 / 97-9658
www.hwam.com
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Table of contents, English
Drawings ........................................................4-8
HWAM Autopilot IHSTM ............................................9
Installation ........................................................10
Remote control ...................................................15
Firing manual - wood...............................................18
Firing in general ...................................................21
Maintenance ......................................................22
Operational problems..............................................24
Declaration of Performance.........................................24
Type plate .....................................................41- 43
Indice, Italiano
Disegni ..........................................................4-8
HWAM Autopilot IHSTM ...........................................25
Istruzioni per l’installazione .........................................26
Il telecommando...................................................31
Uso iniziale della stufa ..............................................34
Ragguagli generali..................................................37
Manutenzione .....................................................38
Disturbi del funzionamento .........................................40
Dichiarazione di prestazione ........................................40
Targa dati......................................................41-43
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HWAM Autopilot iHS™
Congratulations on your new wood-burning stove complete with a HWAM Autopilot IHSTM
IHS is short for “Intelligent Heat System”, which is a digital control of the combustion in your new
wood-burning stove. The purpose of the HWAM Autopilot IHSTM is to control the combustion in an
environmentally optimal and economically efficient way, with a view to generating greater user comfort.
The HWAM Autopilot IHSTM is a completely new patented technology, which electronically adjusts
the air supply to the combustion chamber. Your new wood-burning stove continually measures the
temperature and the oxygen levels of the combustion. Moreover, it is programmed to supply oxygen
to the fire through three important air inlets in the right amount, and at the right time and place in the
combustion chamber. Via a simple remote control, the user can adjust the thermostat to the desired
heat level, while continually receiving information about room temperature and optimal stoking times
that ensure environmentally friendly and economical combustion.
Your new wood-burning stove and the HWAM Autopilot IHSTM will ensure the cleanest possible com-
bustion as well as a good fuel economy, regardless of external conditions such as the type of firewood
used, the chimney, the user’s experience, and other external circumstances.
The HWAM Autopilot IHSTM consists of the following components:
• Airbox:theAirboxcontainsaprintedcircuitboard/software,aswellasthreemotorsthatcontrol
primary, secondary, and tertiary combustion air. The fresh air system can be mounted on the Air
box to the rear or in the bottom.
• Twosensors:atemperaturesensorandanoxygensensortransmitinformationfromthewood-
burning stove to the Air box.
• Remotecontrolandwall-mountedstand:theremotecontrol,completewithbatteries,isplaced
at a minimum of two meters from the wood-burning stove. The wireless remote control measures
the room temperature and transmits the information to the Air box.
• Electricitysupply:fromtheAirboxtothenearestwallsocket.
EngliSH
IHS Airbox
Wood-burning stove with HWAM Autopilot IHSTM
IHS Remote control
2.4 GHz RF link
Electricity supply
USB connection
Air box air inlet
Connection to fresh air system
Primary
air
Secondary
air Tertiary
air
Oxygen sensor
Temperature sensor
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inStAllAtion
General information
Installation of your HWAM woodburning stove must always comply with local building regulations. It
is a good idea to consult your local chimney sweep before installing, since he will be the one to sweep
the chimney and stove.
Always follow the instructions of the manual carefully and make sure that the installation is carried
out by a qualified professional. HWAM packaging material should always be handled in accordance
with the local rules for waste handling.
Room requirements
There must be a constant supply of fresh air to the room in which the stove is to be installed. The
woodburning stove uses approx. 11-14 m3air per hour. In comparison, a modern cooker hood sucks
up to 1000m3 air per hour. A window that opens or an adjustable air vent should be sufficient, but it
isalsopossibletoconnectthestovetoaHWAMcombustionairsystem.Theairinlet/gratingmust
be placed so that they do not become blocked.
Please be aware that not all glass parts are heat-resistant. For this reason, a glass wall should sometimes
be treated as a flammable wall, in which case we ask you to contact your local chimney sweep or glass
producer to hear at what distance the stove should be kept from glass.
Load-bearing capacity of floor
Before installing the stove, you must ensure that the load-bearing capacity of the floor can withstand the weight of
the stove and the chimney. The weight of the chimney should be calculated according to its dimensions and height.
Technical data
Model Weight Height Width Depth
HWAM3120c/3120m 107kg/104kg 100.5 cm 47.9 cm 41.4 cm
HWAM3130c/3130m 114kg/111kg 126.0 cm 47.9 cm 41.4 cm
Heat storing stone 32 kg
HWAM3220c/3220m 91/88kg 109.9 cm 47.5 cm 41.3 cm
The stove is mainly made of sheet iron, with some items made of cast iron. The HWAM Autopilot
IHSTM is an electronic product primarily consisting of plastic, a printed circuit board and wires.
Test results from nominal test EN 13240
Nominal heating effect 4.5 kW
Smoke temperature 238ºC
Exhaust gas flow 3.66g/s
Efficiency 83.4%
The test result according to NS 3058
Particle emission 2.45g/kg
Distance to inflammable materials
Your HWAM woodburning stove should always be installed on a non-combustible hearth. If it is
installed on a wooden floor or similar, the floor must be covered with a non-combustible material.
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HWAM 3120, HWAM 3130, HWAM 3220 (Drawing A)
1. Recommendedforbrickwall 10 cm
1. For inflammable back wall 10 cm
2. For inflammable side wall 20 cm
1.To inflammable wall,corner installation 13 cm
3. Distance to furnishings in front 80cm
Remember to pay attention to any regulations concerning the required distance between
the wall and smoke pipe.
Requirements for chimney and smoke pipe
The chimney must be of a sufficient height to enable an adequate draft and to prevent smoke problems.
The stove requires a draft of at least 12 Pa.
The chimney must have a minimum opening equivalent to Ø 150 mm. The chimney opening should
always be at least the size of the outlet socket of the stove. The chimney must have an easily acces-
sible soot door.
Smoke pipe and chimney must always be suitable for a stove connection. Ask your HWAM dealer for
more information.
Connection to chimney
All the stoves have both rear and top smoke outlet that can be connected to an approved steel chimney
on top or directly out at the rear to a chimney.
Make sure that the chimney is tight and that no false draft is caused around neither the cover plate,
in connection with a covered smoke outlet, nor the cleanout door and pipe connections. Please note
thatbentand/orhorizontalsmokepipeswillreducetheeffectofthechimneydraft.
Vertical cross-section of smoke flue (Drawing B and C)
B:Topsmokeoutlet
C:Rearsmokeoutlet
• Steelchimney(9).
• Fluegaselbow(10).Fitsintosmokeuesocket.
• Brick-builtjambofue(11).
• Built-inpipesleeve(12).Fitssmokeue.
• Wallrosette(13).Coversdisruptiontowallaroundpipesleeve.
• Joint(14).Sealedwithpackingmaterial.
• Smokeoutlets(15)oftheHWAMstove.
• Smokeueregulatingdamper(16).
• Sootdoor(17).
Changing the smoke outlet from top outlet to rear outlet, HWAM 3120 (drawing E)
1. Lift the cast-iron top (1) off the stove
2. Removethetwosidesofthestovebylooseningthescrew(2)andremovingit.Thetwoscrews
(3) should only be loosened (not removed). Lift the sides off.
3. Open the metallic tabs (4) and take the wires out.
4. Pull the lambda sensor coupling (5) free of the wire fastener (6).
5. Removetheheatshield(7)andwirefastener(6)byremovingthetwoscrews(8).
6. Removethecoverplate(9).
7. Removetheuering(10)andfastenittotherearofthestove.
8. Useasoftfacedhammer,forinstance,tobreakoffthetopoftheheatshield(11)andthewire
fastener (12).
9. Fasten the heat shield (7) and wire fastener (6) to the stove again.
10.Repositionthelambdasensorcoupling(5)inthewirefastener(6).
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11. Fix the two wires by closing the metallic tabs (4) again.
12.Installing the cover plate. Place the cover plate over the hole (above the combustion chamber,
where the flue ring was just removed) and fasten with the three screws.
13.Break off the laser-cuttings (13) on the side plates.
14.Place the sides on the guide pins (14) and hang on the screws (3) which must be fastened again.
15.Place the cast-iron top (1) on the stove.
16.Place the cast-iron top cover (15) in the hole in the cast-iron top plate.
Changing the smoke outlet from top outlet to rear outlet, HWAM 3130 (drawing E)
1. Lift the cast-iron top (1) off the stove
2. Removethetwosidesofthestovebylooseningthescrew(2)andremovingit.Thetwoscrews
(3) should only be loosened (not removed). Lift the sides off.
3. Open the metallic tabs (4) and take the wires out.
4. Pull the lambda sensor coupling (5) free of the wire fastener (6).
5. Removetheheatshield(7)andwirefastener(6)byremovingthetwoscrews(8).
6. Removethecoverplate(9).
7. Loosen the two screws (16) on each side of the heat storage compartment that support the front
plate of the heat storage compartment (17), and remove the front plate.
8. Removethetemperaturemonitorfromthesmokering.
9. Removetheuering(10)andfastenittotherearofthestove.
10.Reattachthetemperaturemonitorinthesmokering,leadingthesensorabout3cmintothesmoke
ring.
11. Installing the cover plate. Place the cover plate over the hole (above the combustion chamber,
where the flue ring was just removed) and fasten with the three screws.
12.Useasoftfacedhammer,forinstance,tobreakoffthetopoftheheatshield(11)andthewire
fastener (12).
13.Fasten the heat shield (7) and wire fastener (6) to the stove again.
14.Repositionthelambdasensorcoupling(5)inthewirefastener(6).
15.Fix the two wires by closing the metallic tabs (4) again.
16.Install the front (17) on the heat-storage compartment again.
17. Break off the laser-cuttings (13) on the side plates.
18.Placethesidesontheguidepins(14)andhangonthescrews(3)whichmustbefastenedagain.
19.Place the cast-iron top (1) on the stove.
20.Place the cast-iron top cover (15) in the hole in the cast-iron top plate.
Changing the smoke outlet from top outlet to rear outlet, HWAM 3220 (drawing F)
1. Lift the rear plate (1) and pull it away from the stove so that it disengages from the guide pins on
the bottom plate of the stove. There is a cut-out in the rear plate for the smoke outlet. Break off
the plate (2) within this cut-out to make a hole in the rear plate so there is room for the smoke
outlet.
2. Open the metallic tabs (3) and take the wires out.
3. Pull the lambda sensor coupling (4) free of the wire fastener (5).
4. Removetheheatshield(6)andwirefastener(5)byremovingthetwoscrews(7).
5. Removethecoverplate(8).
6. Removetheuering(9)andfastenittotherearofthestove.
7. Useasoftfacedhammer,forinstance,tobreakoffthetopoftheheatshield(10)andthewire
fastener (11).
8. Fastentheheatshield(6)andwirefastener(5)tothestoveagain.
9. Repositionthelambdasensorcoupling(4)inthewirefastener(5).
10.Fix the two wires by closing the metallic tabs (3) again.
11.Placethecoverplate(8)overthehole(abovethecombustionchamber,wheretheueringwas
just removed) and fasten with the three screws.
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12.Place the rear plate (1) on the guide pins at the back of the bottom plate of the stove; then press it
in towards the stove. Lift the rear plate and press it lightly inwards until it engages with the guide
pins.
Fitting the loose parts
Before the stove is installed, you must ensure that all loose parts are fitted correctly.
Verticalcross-sectionofthestoves(DrawingB):
• Thetopplateofthestove(1)
• Rearsmokeoutlet(3).Atthefactorythisissealedwithacoverplate.Thesmokeoutletistherefore
hidden behind the plate.
• Topsmokeoutlet(4)
• Thesmokeshelf(5).Tobeplacedontopofthesteelrailandontheholdersinthesides.
• Two-piecesmokedefectorplate(6).Eachhalfishungonthehookslocatedbeneaththetopplate.The
two halves join in the holders behind the air pipe. Once the stove has been installed, twist the protection
off the two hooks by using pliers or a screwdriver.
• Removablerearplate(2).Thismustalwaysbemountedifthestoveisplacednexttoacombustible
wall
• Looseheatshield(8)undertheashpan.Thiscanbeusedasalidwhentheashpanisremovedfor
emptying.
Connecting and preparing the HWAM Autopilot IHSTM
1. Connect the plug
a) to a normal 230V socket
b) to the Air box in the wood section underneath the combustion chamber (lead the plug through
the air slot at the bottom between the side and rear plates - on the left side of the wood-burning
stove when seen from the front. There is a mark on the Air box where the plug should be let in.
See the photo of the power supply on the Air box.
Air box without power supply Air box with power supply
2. Insert three AA batteries in the remote control. When the IHS logo disappears from the display,
the remote control is ready to use.
3. The remote control and the wood-burning stove must be connected (the factory will see to this).
If the status line at the bottom of the display is clear (empty) ( ) and divided
into three sections, the wood-burning stove and the remote control are connected.
If the status line is dotted ( ), the remote control and the wood-burning
stove are not connected. Start with a display in which the light is off, and make the connection by
pressing and holding down the button, so the advanced menu is displayed. Then press the button
repeatedly in short intervals until the text ”Link to stove” is highlighted and wait until it enters this
menu. Press the button in short intervals until the text “Connect” is highlighted and wait again.
When the text "Please cycle stove power" appears on the display, disconnect the electricity from
the Air box and then reconnect. Press the button once more. If the message "Connected to stove"
shows up in the display, the wood-burning stove and the remote control are connected. Press the
button once to return to the main menu. If you do not press the button again, the remote control
automatically leaves the menu and returns to the start display.
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The self-test can only be done when the wood-burning stove is cold and in standby mode (no
signal in the status line). Make sure that the display is not active, i.e. there should be no light in
the display (4). If there is light in the display before you hold down the button for a while, you will
instead prepare the wood-burning stove for lighting (the matchbox will appear in the display) and
no self-test can be carried out.
Press the remote control button for approx. 5 seconds in order to enter the menu.
4. Go through the self-test of the HWAM Autopilot IHSTM:
The self-test of the electronic control is carried out before lighting the first fire in the stove (the
factory will see to this). The self-test can only be done when the wood-burning stove is cold and
in standby mode (no signal in the status line ). Make sure that the display
is not active, i.e. there should be no light in the display ( ). If there is light in
the display before you hold down the button for a while, you will instead prepare the wood-burning
stove for lighting (the matchbox will appear in the display) and no self-test can be carried out.
Press the remote control button for approx. 5 seconds in order to enter the menu. Press the button
until the cursor reaches “Self-test”. Wait a few seconds till the remote control enters the “Self-test”
menu. Press the button till the cursor reaches “Engage”. A few seconds later the self-test begins.
By going through a self-test you ensure that all basic operations function correctly.
Aself-testconsistsoffourtesttypes:
•Asoftwaretest
•Atestofthetemperaturesensorandcalibration
•Atestofthelambdasensorandcalibration
•Atestofthethreemotorvalvesandcalibration
The remote control will respond with the text ”Pass” if everything is OK or ”Failed” if there is a
problem. The remote control will also respond with the text "Failed" if you, prior to self-test with
the remote control, have prepared the wood-burning stove for lighting up a fire (made the match
box appear on the display). If the electric power is cut and switched on again, the programme will
return to standby and the self-test can be carried out. If the remote control responds with the text
"Not completed", the self-test could not be carried out, either because the wood-burning stove
has not cooled off or because it is not in standby mode.
5. The remote control must be placed in the same room as the wood-burning stove and in a location
where it is neither exposed to direct heat radiation from the stove nor to direct sunlight. The
reason is that the remote control functions as a thermometer. The room temperature is transmitted
wirelessly to the stove’s electronic control to support the intelligent regulation of the combustion.
The remote control stand can be mounted on the wall.
Chimney
The chimney is the “engine” of the stove and it is crucial for the functioning of the woodburning stove.
The chimney draft provides a partial vacuum in the stove. The partial vacuum removes the smoke
from the stove, sucks air through the damper to the so-called pane flush mechanism, which keeps the
window pane soot free, and sucks air into the combustion via the HWAM Autopilot IHSTM.
The chimney draft is created by the differences in temperature inside and outside the chimney. The
higher the temperature within the chimney, the greater the draft (a brick chimney takes longer to warm
up than a steel chimney). On days where the weather and wind conditions create insufficient draught
inside the chimney, it is even more important to warm up the chimney as quickly as possible. The trick
is to quickly get some flames going. Split the wood into extra fine pieces, use an extra firelighter, etc.
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If the stove has not been used for a longer period, it is important to check that the chimney pipe is
not blocked. It is possible to connect several devices to the same chimney. However, it is important
to first check the applicable rules.
Even a good chimney can function badly if it is not used correctly. Similarly, a bad chimney may func-
tion well if used correctly.
Chimney sweeping
To prevent the risk of chimney fires, the chimney must be cleaned every year. The flue duct and the
smoke chamber above the baffle plate must be cleaned together with the chimney. If the chimney is
too tall to be cleaned from above, it must be equipped with a soot door.
In case of a chimney fire and overheating, the HWAM Autopilot IHSTM will enter a security mode and
automatically adjust all dampers, effectively quenching the fire. Do not open the stove door, since that
might cause the fire to rekindle. Contact the fire brigade. After a fire, the stove should be checked
by a chimney sweep before use.
tHE REMotE contRol
The remote control is the user interface of the HWAM Autopilot IHS
TM
. The remote control measures
the actual room temperature. It must hence be placed in a location in the room, where it is not affected
by unnaturally high temperatures, such as the wood-burning stove’s radiation heat or direct sunlight.
On the remote control you enter the desired heat level, as you would on a radiator thermostat. Via
radio waves the remote control sends information to the stove’s Air box (control system) about the
present room temperature as well as the desired heat level.
Below you will find the functions of the remote control. As a point of departure, the normal display
imageoftheremotecontrolwillshowfourpoints:
1) The room temperature
2) The battery level of the remote control
3) The adjustment of the thermostat (the heat level selected)
4) The status line (shows the combustion phases)
Button:
Long pressure – can only be carried out when there is no light in the display =
advanced menu
Short pressure - in the start phase or the combustion phase = adjustment of
the thermostat (desired heat level)
Short pressure - in standby or the burning out phase = start the wood-burning
stove, i.e. prepare the stove for lighting up.
Symbol Description
IHS-logo
Visible when the remote control is switched on, for instance when the batteries
are changed.
20° C
IHS
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Room Temperature
The room temperature is shown in the centre of the display. The room tem-
perature is measured in the location of the remote control. The actual room
temperature is used both when controlling the combustion and in connection
with the timing of the re-stoking alarm. The remote control should hence not
be placed close to the stove or in direct sunlight, since it will be affected by
unnaturally high heat levels.
Battery level
The battery level of the remote control. When the batteries are at a minimum
level, they need to be changed. Expected battery life at normal use is approxi-
mately ½-1 year.
Thermostat adjustment
The HWAM Autopilot IHSTM has a thermostat function, which attempts to keep
the room temperature at the desired level. The thermostat works like a radiator.
Usetheremotecontroltochoosethelevelyouwantandthetemperaturethat
suitsyourrooms.Thethermostatfunctioncanbeadjustedtosixdifferentlevels:
Thethermostatfunctioncanbeadjustedtosixdifferentlevels:
(Level 0 - 5, where level 3 is a medium temperature of approx. 22-24° C).
Level0:regulatestotheslowestcombustion(3-4kW)noroomtemperature
control.
Level1-2:regulatestolowroomtemperature(approx.18-22°C)
Level3:regulatestomiddleroomtemperature(approx.22-24°C)
Level4:regulatestohighroomtemperature(approx.24-26°C)
Level5:regulatestothemaximumroomtemperature(approx.27-29°C).This
level aims to reach the highest possible room temperature in the shortest pos-
sible time. This choice can be an advantage if you want to heat up an unheated
room as quickly as possible. When the temperature in the room approaches the
desired level, the desired heat level is entered on the remote control.
The Status Line
The status line appears at the bottom of the display. It shows where in the com-
bustion the system is located.
Not in contact with the Air box.
In contact – but in standby mode.
The initial phase of the combustion.
The process phase of the combustion.
The burning out phase of the combustion.
21°C
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Ligthing the fire:
The woodburning stove is ready to be lit and opens the dampers. The symbol
appears when you press the remote control twice in either standby or burning
out modes. The symbol is also shown if you press the remote control twice in the
burning out phase. In this case it does not mean that you need to light up again.
This is merely information that you have asked the stove to open the dampers
and thereby ensure that the new firewood gets sufficient air to catch fire.
The restoking alarm
When the combustion progresses to the ember phase, a restoking alarm will
go off. The alarm will light up three times with a ten second interval and it is
supported by sound.
Threedifferentamountsofwoodarerecommendedforrestoking:
A small amount of wood (700 - 1200 g)
A medium amount of wood (1000 - 2000 g)
Alargeamountofwood(1800-3000g)
You must use at least two pieces of firewood at a time, even if you only want to
use a small amount of wood. The temperature causes the wood to gasify. Two
pieces of firewood heat up each other and increase their temperature faster.
Areminder of the restoking alarm
If a restoking alarm has gone off, and no restoking has been carried out, this
symbol will flash on and off in the upper left corner.
If the symbol has been displayed for a long time, the temperature in the flue
gasses can be so low that you have to light up again in order to give the stove
more air (this is done by pressing the remote control twice, causing the lighting
up symbol to appear in the display).
Always be aware that the status line changes from the burning out phase to the
combustion process phase when the stove is relit. Thereby you ensure that the
stove has registered that you have added new firewood which requires an adequate
amount of air. The oxygen level in the combustion compartment increases when
the door is opened. This sends a signal to the stove that new firewood has been
added to the fire. Towards the end of the burning out phase, the oxygen level in the
combustion compartment can be so close to the oxygen level in the room that the
increase in the oxygen level in the combustion compartment due to the opening
of the door cannot be registered. If, shortly after relighting, the status line does
not alter from burning out phase to combustion process phase, you should press
the remote control twice until the lighting up symbol (the matchbox) appears.
Updating
When the Air box is updated with new software (by a service technician), this
will be displayed graphically.
Updating
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Advanced menu
The remote control has a menu in which more advanced settings, etc. can be
changed. By pressing the button on the remote control for more than five seconds,
yougetintotheadvancedmenu:
Thesearethemainmenus:
•Sound(turnthesoundonandoff)
•Self-test(initiatethe"Self-test",forinstancewhenaservicetechnicianvisits)
•Systeminfo(whichversionofthesoftwareisintheAirboxandintheremote
control respectively)
•Linktostove(shouldbeappliedwhenaremotecontrolismatchedwithanAir
box. This should be done at the factory)
Maintenance alarms
If a maintenance alarm goes off, you can continue using the stove. However, you
shouldcontactyourdealerassoonaspossible.Remembertomentiontheerror
code that appears in the display. The wood-burning stove could be affected by
impure combustion.
Security alarms
If a security alarm goes off, you must not use the wood-burning stove.
Contactyourdealerassoonaspossible.Remembertomentiontheerrorcode
that appears in the display.
Information about removal and recycling
The remote control contains batteries and must hence be disposed of separately in accordance with
the national rules and regulations in force.
Regulatory compliance information
ComplieswiththerequirementsintheEuropeanDirectives72/23/EECand2004/108/EEC.
FiRing MAnuAl - Wood
The lacquer will be fully hardened after the stove has been used, and the door and the ashpan should
be opened very carefully as there will otherwise be a risk that the gaskets will stick to the lacquer.
In addition the lacquer may initially give off an unpleasant odour, so make sure that the room is well
ventilated.
Tips about fuel
Approved fuel types
The wood burning stove is EN approved for combustion of wood only. It is recommended to use dried
choppedwoodwithawatercontentofamaximumof20%.Stokingarewithwetwoodresultsin
soot, environmental problems, and a less efficient fuel economy.
Recommended wood types
All types of wood, for instance birch, beech, oak, elm, ash, conifers, and fruit trees can be used as
fuel in your wood burning stove. The great difference is not in the fuel value, but in the weight of the
wood types per cubic metre. Since beech weighs more per cubic metre than for instance common
spruce, it will take more common spruce to produce the same amount of heat that you would get
from a cubic metre of beech.
RoHS Compliant
2002/95/EC
HWAM A/S • www.hwam.com
Serial number: xxxxxxxxxx
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Banned fuel types
Itisnotallowedtostokearewiththefollowing:printedmatter,plywood,plastic,rubber,uidfuels,
and rubbish such as milk cartons, lacquered wood or impregnated wood and fossil fuels. The reason
that you should not apply any of the above is that during combustion they develop substances that are
health hazardous and harmful to the environment. These substances could also damage your wood
burning stove and chimney, rendering the product warranty void.
Storage of wood
Thewood’swatercontentofamaximumof20%isreachedbystoringthewoodforaminimumof
one year, preferably outdoors in an open shed exposed to sun and wind.
Thewoodmustbedry(max.20%watercontents)beforeitisstoredindoors.Itisrecommendedthat
kindling wood is stored indoors for a couple of days prior to use.
Recommended dimensions
Thedimensionsofthefuelareimportanttogoodcombustion.Thedimensionsshouldbeasfollows:
Fuel type Length in cm Diameter in cm
Wood for kindling a fire (finely chopped) 25-30 2-5
Chopped wood 25-30 7-9
Special lighting guide for wood-burning stoves with soapstone cladding
Soapstone is a natural product, which needs to get used to the changes in temperature. It is recom-
mendedthatyoufollowtheprocedureoutlinedbelow:
1. The First Stoking (Soapstone)
Placetwopiecesofwood(5-8cmindiameter)horizontallyinthebottomofthecombustioncom-
partment.Place5-8piecesofkindlingrandomlyontop.Placetwore-lightersinbetweenthetop
layers of kindling. Press the remote control twice to activate the symbol of lighting up. Light up the
fire-lighters and close the stove door. Adjust the temperature selection mechanism on the remote
control to level one. Let the fire burn out and do not restoke even if there is a restoking alarm. When
the fire has died out completely, the door must be opened and stay open while the stove cools down
to room temperature.
2. The Second Stoking (Soapstone)
Placetwopiecesofwood(5-8cmindiameter)horizontallyinthebottomofthecombustioncompart-
ment.Place5-8piecesofkindlingrandomlyontop.Placetwore-lightersinbetweenthetoplayersof
kindling. Press the remote control twice to activate the symbol of lighting up. Light up the fire-lighters
and close the stove door. Adjust the temperature selection mechanism on the remote control to level
two. When there is a restoking alarm, you should restoke. Fill the combustion chamber half way up
with dry wood of a diameter of approx. 7-9 cm. Let the fire burn and let the stove cool down to room
temperature before the next lighting.
3. The Third Stoking (Soapstone)
Repeatthesecondstoking,butusemorewoodthistimeandadjustthetemperatureselectionon
the remote control to level three. Let the fire burn and allow the stove to cool down after the fire
has died out.
Restoking:
Follow the general instructions, see the sections “Lighting the stove” and “Stoking”.
Lighting Up
A successful combustion process requires that the wood is lit in the right way. A cold stove and a
cold chimney challenge the combustion process. It is important to achieve a high flue gas temperature
quickly. Only at temperatures around 350° C will environmentally friendly combustion take place.
20
Placetwopiecesofwood(5-8cmindiameter)horizontallyinthebottomofthe
combustioncompartment.Place5-8piecesofkindlingrandomlyontop.Place
two fire-lighters in between the top layers of kindling. Press the remote control
twice to activate the symbol of lighting up. Light up the fire-lighters and close
the stove door. Adjust the temperature selection mechanism on the remote
control to the desired heat level.
If the desired flue gas temperature of 350° C has not been achieved within 15 minutes, the remote
control will activate a re-stoking alarm even if there still might be wood and flames in the combustion
compartment. The re-stoking alarm can seem misplaced, but it is activated because the temperature
climbstooslowly.Re-stokingwithsmallpiecesofkindlingwoodcanoftenresultinafasterincrease
in temperature.
HWAM Autopilot IHSTM closes all three air dampers when the stove is in standby mode. This prevents
hot air from the room to enter the chimney (heat loss). This might on the other hand result in a very
cold chimney when the stove is lit. In certain cases it is necessary to assist the draught in the chimney
byburningacoupleofnewspaperpagesontopofthewoodreadytobelit.Readmoreonwww.hwam.
com about the function of the chimney.
Important!
The ashpan must not be opened when lighting up. It must always be closed when the stove is in use.
Otherwise the stove’s intelligent control system does not function. The door should only be opened
when lighting up, when restoking, and when cleaning the stove.
The Thermostat Function
The HWAM Autopilot IHSTM will in general have an environmentally friendly combustion and adapt
to the desired room temperature. The thermostat function is designed as a radiator valve. The user
enters a desired heat level, which suits the room in which the stove is installed. When the thermostat
is set at a heat level, the control function will adapt to this temperature.
• Iftheroomtemperatureislowerthanthedesiredheatlevel,thecontrolfunctionincreasestheue
gas temperature in order to increase the heat radiation from the stove.
• Iftheroomtemperatureishigherthanthedesiredheatlevel,thecontrolfunctiondecreasesthe
flue gas temperature, thereby giving the layer of embers as long a life as possible before re-stoking.
This will reduce the heat radiation from the stove and facilitate re-stoking without having to light
up the fire anew. If the room temperature drops below the desired level, the ember phase will be
shortened, and the system will activate a re-stoking alarm. The system will signal that a re-stoking
isdueattheuegastemperatureof180°C,andat100°Cthesystemwillenterstandbymodeand
all dampers will close.
• Shouldtheroomtemperaturebemuchlowerthanthedesiredheatlevel,thecontrolfunction
increases the flue gas temperature. If a satisfactory increase in temperature does not occur, the
control will activate a re-stoking alarm, since it expects that more wood is needed to increase the
heat level in the room.
• Iftheroomtemperatureafteranewre-stokingstilldoesnotreachthedesiredlevel,thewater
content in the firewood may be too high or the draught in the chimney too weak. For environmental
reasons the recommended flue gas temperature should always be a min. of 350° C.
Stoking
When the stoking alarm on the remote control sounds, the stove is ready for stoking. The remote
control will recommend the amount of wood you should use.
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