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®
P recision
• • • •
Instruction Manual
Model HF910-B Horse Flame Precision III Boiler
®
Multi Fuel and Wood Burning
Free-standing Boiler Stove
Published July 2013
Please note This appliance has been independently
CE tested in the United kingdom and approved for
the burning of wood and mineral fuels and must,
at all times, be used in accordance with these
instructions to ensure safe and efficient operation.
You will need to refer to the serial number of your
stove should you ever need to make a claim under
the Horse Flame® Warranty. You will find the serial
number, beginning with HF, on the CE plate at the
rear of the stove as well as on the lid of the outer
packaging. Write the date the stove was delivered to
you below as this is likely to differ from the purchase
date. Remember to keep your receipt as proof of
purchase.
-
-
www.hi-flame.com
Ref: HF910-B / UK-NI-ROI / V1.12-07-13

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Summary of Contents for Precision Horse Flame HF910-B

  • Page 1 ® P recision • • • • Instruction Manual Model HF910-B Horse Flame Precision III Boiler ® Multi Fuel and Wood Burning Free-standing Boiler Stove Published July 2013 Please note This appliance has been independently CE tested in the United kingdom and approved for...
  • Page 2: Table Of Contents

    Extended Burning If you are installing this stove in a UK Smoke Removing Ash Control Area the Precision Boiler stove can only Installation Check-list be fuelled with approved smokeless fuels – it Appliance installation Guidelines will be illegal to burn wood or any other non-...
  • Page 3: General Dimensions

    GENERAL DIMENSIONS All sizes in mm Important: Take all critical pipework measurements from the stove on site...
  • Page 4: General Specifications

    AIR SUPPLY The total rated output of this stove is 15.1kW (wood) MODEL DETAILS Building Regulations’ ventilation requirements should Model Name Precision Boiler be based on this total output and not just the stove’s output to the room. Model Number HF910-B...
  • Page 5: Important Safety Advice

    IMPORTANT SAFETY ADVICE BOILER STOVE SYSTEMS – SPECIFIC SAFETY ISSUES • Ensure that an approved carbon monoxide detector (BS EN50291:2001) is fitted in the same room as the • This stove requires a dedicated non-closable air stove. It should be powered by a battery designed for vent of the appropriate size for its maximum heat the working life of the alarm.
  • Page 6: Health And Safety

    BUILDING CONTROL AND HETAS comply with local water authority regulations in order to safeguard water quality and public health – see In the United Kingdom most installations of solid fuel page 6. and wood burning appliances and systems are subject •...
  • Page 7: Uk Smoke Control Areas

    K Spare Glass Retaining Clips Fuels’. Wood log are not classified as a Smokeless Fuel and therefore should not be burned in the Precision L Spare Glass Retaining Clip Screws Boiler stove if it is located in a building within a M Allen key (for door hinges) Smoke Control Area.
  • Page 8: Assembling The Stove

    • Flue Outlet The HF910-B stove has a 150mm (6”) flue outlet on the top of the stove – there is no rear With the Precision Boiler there are no baffle fixing flue outlet option due to the Precision’s wrap-around brackets, bolts or fire bricks to remove.
  • Page 9 You will also need to access the flueway to ensure this can be fully cleaned. The Precision Boiler’s wide body means that you should not rely solely on being able to clear excessive deposits from the whole of the flueway...
  • Page 10: Recommended Fuels

    In the event of a problem with your stove – always you must only burn approved smokeless fuels. The check your choice of fuel first! following fuels are approved by Precision for use in the HF910-B Precision Boiler stove: Manufactured or finished wood products, such as plywood and chipboard, must also be strictly avoided •...
  • Page 11: Understanding Fuel Types

    CONTROLLING THE COMBUSTION AIR • Bituminous House Coal is not recommended because it produces excessive soot deposits, which is Your Precision Boiler stove has three simple-to-use air not good for the environment, and thus considerably controls: increases the need for frequent cleaning of the stove 1 Primary Air Control This is the large control knob and flue system.
  • Page 12: Burning Wood Logs

    and other factors such as the fuel type, the system the ash pan get over-filled. Once you have lived with set-up and the pump flow speed. Finding the right your stove for a while you’ll soon get to know how setting(s) will be a matter of trial and error as well as often you should empty this.
  • Page 13 1 The Lighting Phase ‘play off’. For example a single dense piece of wood or log will not burn as well as 2 or 3 smaller logs of For best results: equivalent mass. The more contact the wood has with Primary Air (bottom control) –...
  • Page 14: Burning Mineral Fuels

    Regular, smaller loads are better because they keep We therefore recommend burning your Precision the fire chamber at a higher temperature, without Boiler on high output for at least 30 minutes each day over-firing it. The higher operating temperature helps to help burn off any potential soot or creosote build- prevent nuisance smoke and sooty deposits.
  • Page 15: Extended Burning

    The Precision Boiler stove is designed to allow cause permanent damage. Ideally, when fully burning extended burning. To do this put a good fuel load into the fuel load should look like a shallow dome.
  • Page 16: Removing Ash

    • The chimney is of sufficient height, is suitably constructed and is in good condition and conforms to all applicable building regulations regarding stove installation. The minimum flue height required for the Precision Boiler is 4.5 metres (15’) from the hearth to the top of the chimney terminal.
  • Page 17: Appliance Installation Guidelines

    Flue Draught Always read the Fire Cement manufacturer’s instructions first. Prolonged contact with fire cement The Precision Boiler has been tested with a flue and skin should be avoided. Protective gloves and draught pressure of 12pa and therefore to ensure glasses should be worn when applying fire cement.
  • Page 18 CE marked and / or Hetas Approved. We strongly condensates produced by burning mineral fuels. recommend the thicker 904L grade for the Precision Boiler, especially if you propose to burn mineral fuels When your new boiler stove is installed with a flexible as this will be more resistant to their associated acidic flue liner it should be possible to sweep the chimney...
  • Page 19: System Installation Guidelines

    100ºC Dual fuel linked systems • Feed / expansion tank must be galvanised steel You may have purchased your new Precision Boiler or copper stove with the intention of adding it to an existing • Float valve should also be copper heating system powered by a different fuel type.
  • Page 21 on either side of the pump to allow for easy pump to use, especially if there are children in the house. maintenance and safe removal in the event of a fault. A temperature set at 60ºC or just slightly above is Allow a minimum of 1.5 metres (5’) of static head and recommended.
  • Page 22: Commissioning

    When the installation is complete it is important that 9 Warranty Card a final safety smoke test is carried out. Complete the relevant parts of the Precision Warranty Fully open the Primary and Secondary Air controls, as Card with your Hetas / INFO or competent persons well as the Thermostat Control, and warm the flue...
  • Page 23: System Balance

    SYSTEM BALANCE TROUBLE-SHOOTING With all wood burning and multi fuel boiler stoves, CHIMNEY FIRE given their particular heat cycle and the natural gravity If your stove has been installed correctly and you have fed flow, it is extremely important that the radiators also operated it correctly and regularly carried out the are balanced to ensure an efficient distribution of heat recommended routine checks then it is unlikely that...
  • Page 24 first instance always seek the expert advice of your • Causes: Excessive Chimney Draught This limits approved installer, or authorised Precision dealer. the effectiveness of the air controls so that the fire There are a number of factors, either alone or burns with very strong bright yellow flames and with...
  • Page 25 because draught stabilisers limit the exit of flue gases Secondary Air controls are in the fully open position, from the stove, they should only ever be specified, will provide limited heat output. Check that any fitted and subsequently tested by an approved permanent air vent fitted to supply the extra installer.
  • Page 26 ‘trade-off’. In this instance, if you’re sure that the fuel or old system then it is likely that the system needs is seasoned and dry, then burning the stove at very re-balancing to work in conjunction with your stove. high temperature for a short period after a long slow See page 23 burn will usually burn off any sooty deposits.
  • Page 27: Routine Checks

    If in doubt seek the advice of a registered chimney sweep who has experience of stoves. • Firebricks There are no firebricks on the Precision Boiler stove. • Cleaning the Glass Using damp or ‘green’...
  • Page 28: Standing Down

    800ºC. Your new Precision stove is supplied with a spare rope seal for the door. To replace, carefully remove the old Remove the screws and glass clamp washers from seal and completely clean the seal channel of debris each corner and place them in a safe place.
  • Page 29: The Hi-Flame Warranty

    These include paint, firebricks, fire grates, vermiculite panels, smoke deflection plates (baffle plates), gaskets, rope seals and glass. Precision will repair or replace at its option any stove or stove part thereof found to be defective under these terms.
  • Page 30: Annual Service

    In the interests of safety it is important that your • Examine all paintwork for signs of wear and re-paint Precision Boiler stove is serviced on an annual basis in these areas using an appropriate heat-resistant black accordance with the instructions outlined below. This aerosol paint.
  • Page 31: System Notes And Settings

    SYSTEM NOTES AND SETTINGS For future reference include a basic drawing of the system and notes on the circulation pump and system thermostat settings etc as well as their location and the location of the system drain point.
  • Page 32 Hi-Flame Fireplace (UK) Limited in whole or in part without the prior written permission Holmes Chapel Business Park of the copyright holder. Horse Flame® and Precision are the registered and trading names of Hi-Flame Fireplace Manor Lane, Holmes Chapel (UK) Limited...

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