HotHouse HH4SE Manual de usuario
HH4SE,HH6SE & HH8SE
DEFRA
SMOKE EXEMPT
FREESTANDING STOVE
Installation and O erating
Instructions
Please fix label with serial number and stove
type here before putting manual into stove
Please hand these instructions to the stove user when the installation is complete. Leave the stove ready for
operation and instruct the user in the correct use of the appliance and operation of controls.
Im ortant: – This product must be installed by a suitably qualified installer.
Hothouse Ins ired Products Ltd
Imperial Point
Express Trading Estate
Stonehill road
arnworth
Bolton BL4 9TN
PLEASE READ ALL THESE INSTRUCTIONS CAREFULLY!
For safety reasons it is essential that your stove is correctly installed and o erated. Hothouse cannot
acce t res onsibility for any fault or consequential roblems arising through incorrect installation or
o eration.
The HH4SE, HH6SE and HH8SE have been exempted under the clean air act 1993 as suitable for
use in smo e control areas when burning seasoned wood logs. The stove contains a factory
fitted secondary air stop which ensures that the secondary air cannot be closed further than:
5mm open for the 4SE, 9mm open for the 6SE and 4mm open for the 8SE. Please carefully read
the instructions on wood burning contained in this manual, these MUST be adhered to at all
times. Please see page 16 of the manual for further reference to the clean air act 1993
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HH468SE 25-07-12
TABLE O CONTENTS
Section Page No
1. List of Components 2
2. Component Identification and Assembly 2
3. Installation Instructions 3
Warnings and important safety information 3
4 Installation Information 4
Chimney 4
Ventilation 4
lue Draught 4
Connection to Chimney 4
Material Clearances 5
Hearths 5
Commissioning & Handover 5
5. Technical Data 6
6. Operating Instructions 6
Air controls 6
Cleaning 7
uels 7
Notes on Wood Burning 7
Lighting the stove 8
Re-fuelling 8
Shutting down 8
Maintenance 8
Seasonal Use 8
7. Safety Notes for your Guidance 8
8. Stove Dimensions 10
9. requently Asked Questions 11
10. HH 4SE Spare Parts List & Codes 12
11. HH 6SE Spare Parts List & Codes 13
12. HH 8SE Spare Parts List & Codes 14
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HH468SE 25-07-12
1. List of Com onents
Fig 3 – HH6SE and HH8SE Stove assembly and controls
Fig 2 – HH4SE Stove Assembly and controls
Descri tion of Parts Qty
Hothouse Stove Assembly 1
Tool 1
Ash Pan 1
lue Collar 1
lue Collar fixing screws & Washers 4
Legs 4
Stove Operating Glove 1
Touch up paint 1
Warranty Card 1
ig 1 – Stove Tool
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HH468SE 25-07-12
2. Com onent Identification and Assembly
Your Hothouse Stove comes acked in a cardboard box. Carefully remove any stra s and remove all
cardboard and any lastic ackaging, o en the door and remove all the contents. See List of
Com onents section and check contents carefully.
• Remove the coal catcher by lifting it up and rotating it until it can be removed through the open door
of the stove
• Now lift up the baffle plate and rotate it and remove from the stove, short side first.
• The flue collar can now be fitted to the top or back of the stove as desired using the M6 fixings and
washers provided. Thread each nut onto the screw first, then put on the washer and place the screw
through the fixing hole on the stove and finally screw onto the collar.
• it the blanking plate to the opening that is not to be used in same way as described above for collar.
3 Installation Instructions
WARNINGS AND IMPORTANT SAFETY INFORMATION
READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION!
These instructions cover the basic rinci les to ensure satisfactory installation of the stove, although detail may need slight
modification to suit articular local site conditions. In all cases the installation must com ly with current local regulations
including Building Regulations, Local Authority Byelaws and other s ecifications or regulations including Ireland, UK or
EU standards referred to as they affect the installation of the stove. A roved Document J is articularly im ortant for
England and Wales and can be downloaded for no cost at:
htt ://www. lanning ortal.gov.uk/england/ rofessionals/en/4000000000503.html Also of im ortance are A roved
documents L1 A and B conservation of fuel and ower. The Domestic Heating Com liance Guide will also be found useful.
Im ortant Chimney Warning
This stove must not be installed into a chimney that serves any other heating appliance.
Extractor Fan Warning
There must not be an extractor fan fitted in the same room as the stove as this can cause the stove to emit
fumes into the room.
Cleaning and Chimney Swee ing
The a liance, flue & chimney must be cleaned and checked internally and externally regularly in use
and es ecially after a eriod on disuse (e.g. after summer). Lift down the baffle at least weekly to check
for build up of soot or debris on the top from the flue pipe. Remove the baffle and check the flue spigot and
connector is fully clear at regular intervals. The chimney and flue connector must be swept at least annually,
more often when used with sooty fuels or damp wood. Any loose, broken or leaking joints or flue ways
MUST be repaired immediately.
Fuels
Only use recommended fuels. The appliance can be damaged by burning petroleum coke, liquid fuels or
general rubbish and this will invalidate your warranty and risk your personal safety. The a liance must
not be used as a rubbish incinerator.
Maintenance
Annual checking and servicing of the appliance and flue by a competent engineer is recommended.
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HH468SE 25-07-12
Ventilation
Adequate ventilation is ESSENTIAL for the safe and efficient operation of any solid fuel or wood burning
appliance. Ventilation MUST be provided where required by the stove output or flue under-performance.
Keep all ventilation clear and free of blockage.
Health And Safety Precautions
Handling
Adequate facilities must be available for unloading and site handling. Hothouse Cassette Stoves are very
heavily built so always ask for assistance when lifting and siting the stoves.
Fire Cement
Some types of fire cement are caustic and should not be allowed to come into contact with the skin. In case
of skin contact, wash immediately with plenty of water.
Asbestos
This stove contains no asbestos. If there is a possibility of disturbing any asbestos in the course of
installation then please seek specialist guidance and use appropriate protective equipment.
Metal Parts
When installing or servicing this stove, proper care should be taken to avoid the possibility of personal
injury.
4.0 Installation Information
Chimney
The chimney height and the position of the chimney terminal should conform to Building Regulations.
Minimum chimney height is 4.5m. Check that the chimney is in good condition, dry, free from cracks and
obstructions. The diameter of the flue should not be less than 150mm and not more than 200mm. If any of
these requirements are not met, the chimney should be lined by a suitable method. The chimney must be
swept before connection to the stove.
Where the chimney is believed to have previously served an open fire installation, it is possible that the
higher flue gas temperature from the stove may loosen deposits that were previously firmly adhered, with
the consequent risk of flue blockage. It is therefore recommended that the chimney be swept a second time
within a month of regular use after installation.
If you have any doubts about the suitability of your chimney, consult your local dealer/stockist or chimney
specialist. If there is no existing chimney then either a solid fuel compatible prefabricated block chimney or
a twin-walled insulated stainless steel flue to BS 4543 can be used. These chimneys must be fitted in
accordance with the manufacturer’s instructions and Building Regulations.
Ventilation
No purpose provided ventilation is required for stoves rated under 5KW. or each KW above 5KW, 550 sq
mm of fixed ventilation is required – i.e. a stove rated at 8KW would require 3 x 550 sq mm = 1650 sq mm
of fixed ventilation. If more than one appliance is installed in the same room, the ventilation requirements
for each appliance must be added together.
Flue Draught
A flue draught of minimum 1.2mm to a maximum 2.5mm water gauge (12 to 25 Pascals) is required for
satisfactory appliance performance. The flue draught should be checked under fire at high output and, if it
exceeds the recommended maximum, a draught stabiliser must be fitted so that the rate of burning can be
controlled to prevent over-firing.
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HH468SE 25-07-12
Connection to the Chimney
This appliance is not suitable for use in a shared flue. This appliance requires a direct flue connection to the
spigot. If practical, an existing fireplace opening can be bricked up or sealed with a register plate and a short
length of flue pipe of a minimum 150mm internal diameter may then be used to connect the stove to the
register plate in the chimney. This flue pipe should conform to Building Regulations. The stove must be
insulated and properly fitted into the fireplace opening by back filling with 6:1 ratio vermiculite & cement
mixture using minimal water through the top of the fireplace or flue spigot opening. The surface should be
finished using 1:1:8 mix of cement, lime and sand. The connecting pipe is fitted with the spigot pushed up
from inside the stove and rotated onto its keyhole slots to join to the pipe. Ensure that the pipe end is no
closer than 76mm to the side or rear chimney walls.
If necessary a hole must be opened up into the flue way above the fireplace in order to fit the appliance to
the flue correctly. Please consult HETAS recommended fitting methods if in doubt. It is essential that all
connections between the stove and chimney-flue are sealed and made airtight with sealing rope, clamping
rings and/or fire cement or heat resisting cement where required.
Both the chimney and flue pipe must be accessible for cleaning and if ANY parts of the chimney cannot be
reached through the stove (with baffle removed), a soot door must be fitted in a suitable position to enable
this to be done.
In adverse weather conditions, downdrafts may occur causing smoke or fumes to spill into the room. If this
occurs the appliance should be shut down as much as possible by closing the air controls and the room
should be ventilated to clear the fumes. If the problem persists seek the advice of a chimney sweep.
Material Clearances
Safety Distances from Combustible Surfaces:
Model Side Rear
HH4SE 500mm 700mm
HH6SE 400mm 400mm
HH8SE 500mm 500mm
In addition it is strongly recommended that any furniture or other combustible materials are kept at least
900mm clear from the front of the stove.
Distances from NON-combustible materials:
The stove can be recessed in a suitable sized non-combustible fireplace but a permanent free air gap of at
least 50mm must be left around the sides and top of the stove to obtain reasonable heat output and for access
to the stove for removal and maintenance. A clearance of 150mm will give a better heat output
To conform with building regulations the fireplace recess walls should be at least 200mm thick or each rear
leaf at least 100mm thick in the case of a cavity wall at the rear. If these dimensions are not met further
protection for any combustible materials must be provided. The walls of the fireplace recess and the hearth
must be made of non-combustible material.
Hearths:
Hothouse stoves require a 125mm thick non-combustible constructional hearth beneath them to protect the
building, this can include any solid non-combustible floor. A non-combustible superimposed hearth forming
an apron of at least 225mm at the front of the stove and 150mm on either side must also be provided. The
superimposed hearth must not be less than 12mm thick and must have a clearly defined edge (change of
level) to discourage placing of any combustible materials on or partially over it.
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HH468SE 25-07-12
The appliance shall be installed on a floor with adequate load-bearing capacity. If the existing construction
does not meet this requirement, suitable measures (e.g. load distributing plate) should be provided to achieve
it.
Commissioning and Handover
Upon completion of the installation, allow a suitable period of time for any fire cement and mortar to dry
out. A small fire may then be lit and checked to ensure the smoke and fumes are taken from the stove up the
chimney and emitted safely to atmosphere.
Advise the customer not to run the stove at full output for at 3 – 4 days. Explain that the stoves can provide
much more or less than their rated heat outputs depending upon how they are burnt and fuels and fuel loads
used.
On completion of the installation and commissioning, ensure that the operating instructions and operating
tools (including glove) for the stove are left with the customer. You must be sure to advise the customer on
the correct use of the appliance with the fuels likely to be used on the stove and warn them to use only the
recommended fuels for the stove.
Advise the user on what to do should smoke or fumes be emitted into the room from the stove – see Safety
Notes section. The user should be warned that they MUST use a suitable fireguard in the presence of
children, aged and/or infirm persons.
5.0 Technical Data
Technical S ecifications (Wood) HH4SE
HH6SE
HH8SE
Nominal Heat Output kW 4.2 6.1 7.5
Efficiency % 76.6 81 72.1
CO Emission (@13% O2) % 0.84 0.18 0.17
lue Gas Temp (avg. at nominal output) °C *247 *285 *350
lue Gas Mass low g/s 3.5 4.4 7.3
Refuel Period hr 1.5 1 1
lue Outlet Size Inch 5” 5” 6”
Product Weight (Packed) kg 85 118 143
Maximum Log Length mm 260 300 340
*Average reading at nominal output
6.0 O erating Instructions
This appliance is not designed for open operation and therefore should not be operated with the doors open,
this could cause excessive smoke and could also harm the appliance.
This stove is designed to burn cleanly with high efficiency. If used correctly this stove will burn with the
very useful feature of clean glass. However, for this product to work properly it must be used correctly.
It is essential that the stove has an adequate air supply for combustion and ventilation. The primary and
secondary air inlets must be kept clear from obstruction.
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HH468SE 25-07-12
Warning! This appliance will be very hot when in operation and due care should be taken when operating
the controls. A leather glove is provided to assist safe operation.
Do not use an aerosol spray on or near the stove when it is alight.
Air Controls
Primary Air
Primary air is controlled via the sliding air control at the bottom of the door. This provides a conventional air
under draught to the bed of the fire. The primary air is used when lighting the stoves or when the fuel bed
goes very low. The primary air inlet will usually be closed when burning wood and open when burning coal
type fuel.
Secondary Air (Air Wash)
Hothouse stoves are provided with a powerful “air wash” system. This secondary air supply to the stove is
controlled via a sliding air control located on the top right of the stove, just above the door. If you want
clean glass, always leave this control open some way whilst burning unless the stove is being shut right
down for a long period. Moving the sliding control towards the wide side of the arrow increases the burn
rate whilst moving it towards the narrow side reduces it.
Multifuel Grate
Your Hothouse Stove is fitted with a rotary style grate, which is operated from the front of the stove via a
riddle rod. Use the “Hook” end of tool to operate the riddling system. This rotary grate is located in the
centre of a cast iron flat bed with suitable air slots that assist the burning of most fuels. It is important to use
the rotary grate to de-ash regularly, to ensure that the primary airflow is not impeded, as a build-up of ash
can damage the cast iron bed.
Ash an
It is essential that you empty the steel ash pan every day. Use the thick end of tool to hook onto and lift the
ash pan out of the stove. DO NOT allow ash to build u underneath the bed as this may cause damage
to the grate.
Cleaning
Glass: Despite the advanced air wash system provided, the glass will still need cleaning from time to time
depending on the fuel quality and burning rates used. Never clean glass when the stove is hot. Always use
stove glass cleaner or ceramic hob cleaner, which is available from your stove retailer. As an alternative, use
a wet cloth with some of the wood ash if burning wood but be very careful to use very clean ash so as not to
scratch the glass.
Outer body: The outer body simply needs to be dusted from time to time. DO NOT use any kind of
furniture polish or cleaning agent other than your stove suppliers recommended paint.
Inner firebox: Brush the inside of the firebox clean from time to time to check the integrity of the plates
and liners etc. It is not normally necessary to re-paint inside the firebox due to the high temperatures that
mean that the paint does not have much effect before being burnt off. Steel and cast iron liners are resilient
firebox materials and will give reliable service without major cleaning or work on the firebox.
Baffle: It is essential to check the top of the baffle for build-up of soot and ash regularly when in use and
after a long period of no use. rom time to time remove the baffle if necessary to ensure that the flue way
entrance is clear. Take note of the baffle orientation when removing and ensure it is refitted the same way.
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HH468SE 25-07-12
Fuels
Wood
Burn only seasoned timber products with a moisture content of less than 20%. To obtain this moisture
content allow cut wood to dry for at least 12-18 months. Do not burn construction timber, treated or
ainted wood, manufactured board or allets.
Solid Fuel
Burn only manufactured smokeless fuels listed as suitable for use in a closed appliance. Do not burn
bituminous coal, “ etro-coke” or other etroleum based fuels as this will invalidate the warranty.
Notes on Wood burning
Notes on Wood burning
With a full load of wood, the stove will need to be refuelled approximately every 1.5 hours. Wood can be
stacked higher in the stove than solid mineral fuel but care must be taken that logs do not touch the baffle.
Wood burns most efficiently with the primary air controls closed and the secondary control partially open.
Moving the secondary control will control the burn rate of the stove.
Note – primary and secondary air is needed to light the stove, see section entitled
‘Lighting the Stove’.
Wood burns best on a bed of ash and it is therefore only necessary to remove surplus ash from the stove
occasionally.
Burn only dry, well-seasoned wood, which should have been cut, split and stacked for at least 12 months,
with free air movement around the sides of the stack to enable it to dry out. Burning wet or unseasoned
wood will create tar deposits in the stove and chimney and will not produce a satisfactory heat output. Do
not use liquid fuels in this appliance.
Lighting the Stove
We recommend that you have two or three small fires before you operate your stove to its maximum heat
output. This is to allow the paint to cure in steadily and to give a long service life of the paint finish. During
this curing in process you may notice an unpleasant smell whilst the finishes finally cure. It is non-toxic, but
for your comfort we would suggest that during this period you leave all doors and windows open.
irst, open the primary and secondary air wash control fully. Load the firebox with plenty of starting fuel,
i.e. paper, dry sticks and/or firelighters. Light the fire at the base leaving the primary and secondary air
control fully open. Leave the door slightly ajar for 10 minutes to enhance initial starting and reduce smoke
emission – DO NOT leave the stove unattended if the door is left ajar. Allow the fuel to reach a steady glow
and build the fire up gradually by adding a few small sticks or well split logs at a time. Once you have a
good fire bed established across the grate, further fuel can be added step by step as required. Don’t be
tempted to overload the fire bed with fuel all at once or close down the air controls too much until the fire is
well established for some time. Once the ignition period is well under way close the primary air and
gradually reduce the secondary air wash control opening to establish the burning intensity you require.
O eration with door left o en
Operation with the door open can cause excess smoke. The appliance must not be operated with the
appliance door left open except as directed in these instructions.
Dam ers left o en
Operation with the air controls or appliance dampers open can cause excess smoke. The appliance must not
be operated with air controls, appliance dampers or door left open except as directed in these instructions.
Re-fuelling
Refuelling It is best to refuel little and often, rather than in large pieces. When possible refuel the stove
before the bed has gone too low. Open the secondary air control fully and add the fuel. Allow the fuel to
burn for a few minutes until the fire is well established before closing the secondary air once again. This
refuelling procedure will ensure that smoke emission is kept to a minimum. Do not operate the appliance
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HH468SE 25-07-12
with the air controls fully open for a prolonged period as it will cause over firing and may result in smoke
being produced.
Refuelling on to a low fire bed If there is insufficient burning material in the fire bed to light a new
fuel charge, excessive smoke emission can occur. Refuelling must be carried out onto a sufficient quantity of
glowing embers and ash that the new fuel charge will ignite in a reasonable period. If there are too few
embers in the fire bed, add suitable kindling to prevent excessive smoke
Fuel Overloading our good size logs is a sufficient quantity of fuel to achieve the rated output from
this appliance. Never exceed this amount of fuel and never stack the fuel too high in the stove so as it
touches the baffle as this may cause smoke to be produced.
Shutting Down
The stove will normally shut down by itself as the fuel is consumed. In order to shut down the stove for
other reasons, close the primary air controls (if open), then close the secondary air control. If the controls are
left in this position, the fire will eventually burn out. If you want to revive the fire open the secondary air
controls fully.
Warning! - The stove will remain very hot for a considerable time after the fire has died down or been
extinguished.
Warning!- Petroleum coke fuels or household waste must not be burnt on this a liance.
Maintenance
Inspect the inside of the firebox and above the baffle plate every week during use. See chimney cleaning
section in section 3.1 Warnings and Im ortant Information. Inspect the inside of the stove and the flue
ways and ensure they are 100% clear after a period of disuse (e.g summer). Only use manufacturers
recommended re lacement arts on the a liance
Seasonal Use
Remove the baffle and inspect the inside of the stove and the flue ways and ensure they are 100% clear after
a period of disuse, for example if the stove is not used during the warmer periods of the year. Also set the air
controls to 50% to keep the appliance ventilated and stop the build-up of any moisture inside.
7.0 Safety Notes for your guidance
FIRES CAN BE DANGEROUS – Always use a fireguard in the presence of children, the elderly or the
infirm.
DO NOT erform modifications to the a liance as this could seriously com romise safety in
o eration.
DO NOT OVERFIRE – it is possible to fire the stove beyond its design capacity, this could damage the
stove, so watch for signs of over firing – if any part of the stove starts to glow red, the fire is in an over fire
situation and the controls should be adjusted accordingly. Never leave the stove unattended for long periods
without first adjusting the controls to a reduced and safe setting – careful air supply control should be
exercised at all times.
WARNING – FUME EMISSION
Properly installed and operated, this appliance will not emit fumes. Occasional fumes from de-ashing and
refuelling may occur which is not normally of serious concern. However, ersistent fume emission is
otentially dangerous and must not be tolerated.
If fume emission does persist, then the following immediate action should be taken: -
1. Open doors and windows to ventilate room
2. Let the fire out, or remove and safely dispose of fuel from the appliance.
3. Check for flue chimney blockage and clean if required.
4. Do not attempt to re-light the fire until the cause has been identified and corrected.
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