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Operating & Installation Manual
Acorn
Multifuel Stoves
The Acorn 4 Multifuel Stove (shown above)
PLEASE RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Arada Ltd Rev 4
The Fireworks Part No: AFS1126
Bridport
November 2006
Dorset, DT6 3BE
Great Britain
Tel. (44) 01308 427234
Fax. (44) 01308 423441
www.aarrowfires.com
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Congratulations on your choice of an Aarrow Stove. More than 20 years experience has been put into the development of our Acorn Multifuel to ensure ultimate performance and years of trouble free enjoyment. Every detail on the fire has been carefully engineered and designed which is why we are so confident in the reliability of our product that we offer a 3 year guarantee. Should you have any questions about our Acorn Stoves that are not covered in this manual, please contact the Aarrow dealer in
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CONTENTS INTRODUCTION Page OPERATING INSTRUCTIONS Page Safety Notices 5 AirInlet Controls 16-17 The Principle of the Fire 5 Airwash System 16-17 Check List 6 Multi-Purpose Operating Tool 17 Technical Data 7 Fire Door Glass 17-18 INSTALLATION Page Adjusting the Door Hinges 18 General Precautions 8 Fuel Types 18-19 Handling 8 Lighting the Fire 19 Hearth 8 Extended Burning 19-20 Combustible Materials 8 De-Ashing 20 Air For Combustion 8 Ov
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WARNING TO ALL MULTIFUEL USERS PETROLEUM COKE SOME OF WHOSE BRAND NAMES ARE "CALCO", "PETROCOKE" OR "WONDERCO" MUST NOT BE BURNED IN THIS APPLIANCE TO USE THESE FUELS WILL INVALIDATE THE APPLIANCE GUARANTEE IF IN DOUBT CONTACT THE SOLID FUEL ASSOCIATION TELEPHONE NUMBER 0800 600 000 www.solidfuel.co.uk THE USE OF SPARE PARTS OTHER THAN THOSE SUPPLIED BY Arada LTD WILL INVALIDATE THE APPLIANCE GUARANTEE. 4 Acorn Multifuel Stoves
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INTRODUCTION Safety is the most important consideration when SAFETY installing your fire. If not properly installed and A fireguard conforming to BS 8423: 2002 should operated a house fire may result. installation must be used in the presence of children and old/or comply with the Building Regulations and conform infirm people. If the appliance is used with the fire to all relevant fire safety standards. door open, a spark guard conforming to BS 3248 should be fitted. Aarrow produce a variety of
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CHECK LIST Inside the appliance you should find the following: Part Description & Visual Aid Acorn 4 Multifuel Acorn 5 Multifuel (not to scale) Quanity Part No. Quantity Part No. 1. Grate bars 5 AFS001 5 AFS001 2. Integral front brace/ 1 AFS1101 1 AFS1101 reatainer 3. Throat plate 1 AFS1086 1 AFS1018 4. Flue spigot 1(4”) AFS009A 1(4”) AFS009A 5. Hot plate 1(4”) AFS064 1(4”) AFS064 6. Ash pan 1 AFS1273 1 AFS1273 7.Operating tool 1 AFS008 1 AFS008 8. Rear liners 1 AFS1094 1 AFS1059 9. Side liner
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TECHNICAL DATA TECHNICAL DATA Acorn 4 Acorn 5 Multifuel Multifuel Room Min/Max 1- 4.5 1 - 5 Room Heater Only Output (kW) Room Heater with Domestic Hot Type 7 Type 0 Water with add in boiler type Max Output to Room (kW) 3 3 Max Output to Water (kW) 1.5 2 Height (mm) 458 483 Width (mm) 355 395 Depth (mm) 350 350 Height to Centre of Rear Flue 360 387.5 Depth from Back to Centre of Flue 90 96 Flue Diameter (mm) 102 (4”) 102 (4”) Weight Unpacked 43 Kg 44 Kg Packed 47 Kg 46 Kg Acorn Multifuel Stoves
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INSTALLATION HEARTH GENERAL PRECAUTIONS The fire should be installed to stand on a Note - All installations must conform to the constructional hearth of non-combustible materials appropriate building regulations. not less than 125mm (5'') thick conforming to Building Regulations. Dimensions of the hearth The Building Regulations for England and Wales should project at least 300mm (12'') forward of the 2000 ref Approved Document J 2002 edition front of the appliance and 150mm (6'') at the sides.
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INSTALLATION REMOVAL OF THE THROAT PLATE FIREBOX LINER PANELS Blocked chimneys cause dangerous fumes to The Acorn Multifuel stoves have reflective liners to escape. Remove the throat plate at least monthly to the sides and back. The throat plate sits on top of clean. Keep chimney and flue ways clear. the side and rear panels. These should come fitted to your fire, if however they are not proceed as follows to fit them. FITTING THE OPTIONAL FLOOR FIXING KIT •Remove the front brace retainer. Once
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INSTALLATION MULTIFUEL GRATE GRATE GRATE BAR REPLACEMENT The grates in the Acorn Multifuel units comprise a After extended use it may be necessary to series of reciprocating cast iron bars seated on a replace some of the grate bars. pivoted "comb". All bars in the grate are identical, Periodic inspection of the bars is recommended but every other bar is turned through 180 degrees, and the removal of any nails or wire that may be with the ends of the bars marked "H" sitting on the present after
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INSTALLATION FITTING THE FLUE OUTLET AND FLUES AND CHIMNEYS HOT PLATE Please remember that chimney draught is dependent on four main factors: The flue outlet spigot is found inside the appliance. It is removed by turning clockwise. •Flue gas temperature. •Flue height. Smear a very thin layer of fire cement on the faces •Flue size. of the flue outlet and the blanking plate. Fit the •Flue terminal. outlet to the appliance in the desired position. The stove must be connected to a suitable and Lock
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INSTALLATION Due to the gradual introduction of European Precautions" section page 8 of these instructions. Chimney Standards chimneys will be specified according to their performance designation as Chimneys should be as straight as possible. defined in BS EN 1443 that covers the General Horizontal runs should be avoided except where Requirements for chimneys. The minimum the rear outlet of the appliance is used, in which performance designation required for use with solid case the horizontal s
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INSTALLATION TYPICAL REAR FLUE OUTLET Acorn Multifuel Stoves 13
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INSTALLATION TYPICAL METAL INSULATED CHIMNEY SYSTEM TO BE INSTALLED TO THE CHIMNEY MANUFACTURERS INSTRUCTIONS IN COMPLIANCE WITH BUILDING REGULATIONS AND BS7566 PTS 1-4 PLAN VIEW OF REGISTER PLATE AND CLEARANCES FOR NON INSULATED FLUES A is minimum clearance for non-insulated flue = 1.5 x D to a non-combustible surface/material or 3 x D to combustible surface/material 14 Acorn Multifuel Stoves
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INSTALLATION INSTRUCTIONS not be done when in an area with soft water. If ADD IN BOILERS radiators are used then an indirect system must be Acorn 4 & 5 multifuel stoves offer the option of a utilised. slab boiler, which occupies the position of the rear To connect the cylinder use 28mm copper pipes. firebox liner panels. Ensure that the pipes rise continuously to the cylinder. Fitting: Ensure that the runs are not too long, i.e. 20ft •Remove the fuel retainers, rear firebox liner maximum each f
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INSTALLATION INSTRUCTIONS The expansion tank should have a capacity of at The following details must be checked and least 7 % of the system's water capacity. The cold completed in full by the installer at the time of water feed pipe should be at least 22mm diameter. installation. Please answer all questions as fully as possible. Arada Ltd can not be held responsible There must not be any shut off valves in the circuit. for chimney or installation. Pipes should be run to avoid air locks. A sprin
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OPERATING INSTRUCTIONS multifuel grate position and for emptying the ash pan. (Fig. 10) Fig. 7 Fully Closed Fig. 8 Fully Open Even when all the slots are completely shut a "bleed" of secondary air will be maintained ensuring that inflammable gases are burnt off. Fig. 10 DISASSEMBLE AIRWASH The Aarrow air wash may be disassembled for RIDDLING cleaning or adjustment. To achieve this, the Use the operating tool for setting the grate in the following procedure should be followed: coal burning po
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OPERATING INSTRUCTIONS •Refit the door and check to ensure it now sits square to the body; if not repeat above steps. FUEL TYPES Wood- Any type of wood is suitable provided it is well seasoned and has a moisture content below 20%. This usually implies that the timber has been suitably stored to allow moisture to evaporate for at Fig. 11b fitting new glass least nine months in the case of soft woods, and at •Replace the two lower retaining clips and nuts. least eighteen months in the case of ha
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OPERATING INSTRUCTIONS Approval does not cover the use of other fuels position and the fire doors are closed. either alone or mixed with a suitable fuel listed •Set the air wash to one quarter open position. above, nor does it cover instructions for use of •Set the primary inlet to the fully open position other fuels. For latest details please refer to Hetas •Light in the normal manner with paper and website www.hetas.co.uk. kindling, or use a fire lighter. •If using a gas poker be sure to remov
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OPERATING INSTRUCTIONS In the morning DE - ASHING •Open the air control fully until embers begin It is necessary to maintain an ash layer on the upper to glow brightly and place pieces of fuel on surface of the grate bars, in order to protect them so the fire until it is well established. de-ashing should cease as soon as the first red embers drop into the ash pan. Further de-ashing WARNING: When wood is burnt slowly in a will cause heat build-up under the grate, which will closed appliance it p
