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HH18Bi 22/04/13 

 

 
 

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Installation Instructions 

 
 

WARNINGS AND IMPORTANT SAFETY INFORMATION 

 

 
READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION! 

These instructions cover the basic principles to ensure satisfactory installation of the stove, although detail may need slight 
modification to suit particular local site conditions. In all cases the installation must comply with current local regulations 
including Building Regulations, Local Authority Byelaws and other specifications or regulations including Ireland, UK or 
EU standards referred to as they affect the installation of the stove. Approved Document J is particularly important for 
England and Wales and can be downloaded for no cost at: 

http://www.planningportal.gov.uk/england/professionals/en/4000000000503.html

 Also of importance are Approved 

documents L1 A and B conservation of fuel and power. The Domestic Heating Compliance Guide will also be found useful. 

 
Important 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 Sweeping 
The appliance, flue & chimney must be cleaned and checked internally and externally regularly in use 
and especially after a period 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 pallets or treated wood, petroleum 
coke, anthracite, liquid fuels or general rubbish and this will invalidate your warranty and risk your personal 
safety. 

The appliance must not be used as a rubbish incinerator

. Any coal type fuel that is used must be 

suitable for a closed appliance. Arigna Ecobrite or similar would be a recommended fuel. 
 

Maintenance 

Annual checking and servicing of the appliance and flue by a competent engineer is recommended. 
 

 
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. 
 

External Ducted Air 

This appliance is suitable to accept ducted external air which should be provided in accordance with best 
practices and minimum distances to combustibles should be adhered to. It is recommended that a 4” plastic 
pipe is used to bring the air in from outside. It is recommended to run the air vent from opposite poles of the 
dwelling and tee off for the air supply to the stove. An aluminium duct should be used to connect from the 
4” pipe to the stove. The inlet pipe should be suitable located to prevent ingress of moisture and where it 

Summary of Contents for HD18Bi

Page 1: ... correct use of the appliance and operation of controls Important This product must be installed by a suitably qualified installer Hothouse Inspired Products Imperial Point Express Trading Estate Stonehill Road Farnworth Bolton BL4 9TN www hothouseproducts co uk PLEASE READ ALL THESE INSTRUCTIONS CAREFULLY For safety reasons it is essential that your stove is correctly installed and operated Hotho...

Page 2: ...5 Material Clearances 5 Hearths 6 Commissioning Handover 6 5 Technical Data 6 6 Plumbing 7 7 Operating Instructions 10 Air controls 10 Cleaning 11 Fuels 13 Notes on Wood Burning 13 Notes on Burning Solid Fuel 13 Re fuelling 13 Refuelling onto a Low Firebed 14 Fuel Overloading 14 Shutting down 14 Maintenance 14 Seasonal Use 14 Replacing Door Rope and Glass 15 7 Safety Notes for your Guidance 16 8 S...

Page 3: ...in a similar manner Note the orientation of both baffles before removal Access to the chimney through the front door of the stove is now possible Now proceed to install the stove according to these instructions and current installation standards or HETAS advice The internal parts of the stove can be re assembled as the reverse of the previous removal instructions Fig 2 Insert Boiler Stove Assembly...

Page 4: ...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 pallets or trea...

Page 5: ...tance 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 prote...

Page 6: ... 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 re...

Page 7: ...tallation 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 h...

Page 8: ... open to the atmosphere Below are several diagrams representing different plumbing circuits These are not working drawings Designs and calculations for individual systems should always be carried out by a suitably qualified heating engineer Fig 3 Connecting the stove to an existing Heating System with oil gas as primary heat source Fig 4 Central Heating system with the stove as the primary source ...

Page 9: ...ed to prevent corrosion or formation of limescale in the heating system Gravity Circuit Do Not Under any circumstances connect the stove to a sealed pressurised heating system or an unvented HW cylinder Do Not Link the stove into a heating or hot water system with an existing boiler without the use of suitable equipment such as a neutralizer When fitting this type of system the neutralizer manufac...

Page 10: ...ven to the stronger flow typically the pumped circuit Pipe Thermostats A HIGH LIMIT thermostat should be fitted to the gravity flow pipe close to the boiler and set at 90 C This should override any pump control switching the pump on and dissipating any excess heat around the radiator circuit To prevent boiler corrosion due to condensation it is necessary to maintain the return water temperature ab...

Page 11: ...eing 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 This High Efficiency Hothouse Boiler Stove has a grate which consists of individual High Chrome bars which are connected by a patent pending easy removal system which ensures that all bars rotate together wh...

Page 12: ...ending 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 t...

Page 13: ...nd hence the burn rate of the stove Firstly remove the thermostat knob by pulling it gently away from the thermostat and then remove the Left Side Casing by undoing the two fixing screws Then clean any ash that has built up around the damper of the thermostat and open and close the thermostat to ensure that it is working properly In the closed position it should seal tightly against the body of th...

Page 14: ... 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 Wood that is not properly dry dry is considered to be less than 20 internal moisture content uses up energy from the burn process to evaporate the water inside the wood thus creating very poor conditions for combustion The main cause...

Page 15: ...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 Four 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 ba...

Page 16: ...ews brackets and pads Carefully replace the broken glass Ensure the sealing rope around the glass is fully intact replace if necessary Replace the glass with genuine high quality stove glass from Hothouse and refit and tighten the four screws pads and brackets Replace the pads if they are broken or worn ...

Page 17: ...ever persistent fume emission is potentially 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 ...

Page 18: ...17 HH18Bi 22 04 13 8 0 Stove Dimensions Fig 7 Hothouse Insert Boiler Stove All dimensions in mm unless otherwise stated Dimensions are approximate and are subject to change without prior notice ...

Page 19: ...r attends any stove problem that is not related to product failure 6 Where can I get spare parts Your local Hothouse Stove retailer will be pleased to supply spare parts and to provide any other information you require 7 Can the doors be left open while burning For safety and heat efficiency the doors should remain closed 8 Why is the stove smoking when lit A flue with back draught problems is alm...

Page 20: ...mm cut to size Y1HDI18B54A 16 Baffle Plate Y1HDI18B19A 47 Rope Ø5 full roll Y1HDI18B55A 17 Baffle Plate Upper Y1HDI18B20A 60 Grate Bars Y1HDI18B68A 18 Airwash slider plates Y1HDI18B21A 61 Grate bars joining bar Y1HDI18B69A 22 Ashpan Y1HDI18B28A 62 Riddle Handle Assembly Y1HDI18B70A 23 Glove Y1HD29E 63 Riddle Handle Bracket Y1HDI18B71A 25 Ashpan Tool Y1HDI18B31A 64 Thermostat Y1HDI18B72A 26 Door Y1...

Page 21: ...20 HH18Bi 22 04 13 Hothouse Inspired Products Imperial Point Express Trading Estate Stonehill road Farnworth Bolton BL4 9TN T 01204 862286 F 01204 868569 ...

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