Precision HF357i-B Instruction Manual
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Precision HF357i-B Instruction Manual

Precision inset boiler
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• • • •
Instruction Manual
Model HF357i-B Precision Inset Boiler
Multi Fuel and Wood Burning Inset Boiler Stove
Published July 2013
Please note This appliance has been independently
CE tested and approved for the burning of wood
and multi 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
underneath the removable ash lip (see page 3) at the
front 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: HF357i-B / UK-NI-ROI / V3.10-07-13

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Summary of Contents for Precision HF357i-B

  • Page 1 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: HF357i-B / UK-NI-ROI / V3.10-07-13...

  • Page 3: Table Of Contents

    Lighting a Wood Fire building regulations. If you are installing this Burning Mineral Fuels stove in a UK Smoke Control Area the Precision Inset Boiler can only be fuelled with approved Extended Burning smokeless fuels – it will be illegal to burn wood.

  • Page 4: General Dimensions

    GENERAL DIMENSIONS L.H.Side view L.H.Side view L.H.Side view L.H.Side view Vertical view Vertical view Vertical view Vertical view All sizes in mm...

  • Page 5: General Specifications

    Door Rope Seal 10 mm dia x app 1700 mm (5’8”) long WOOD Ash Pit Rope Seal 10 mm dia x 370 mm (15”) long Intermittent Burning – 1.0 hour refuel period There are no firebricks inside the Precision inset Boiler Nominal Heat Output To Room 4.8 kW To Water 7.5 kW...

  • Page 6: 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 7: 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 7. and wood burning appliances and systems are subject •...

  • Page 8: Uk Smoke Control Areas

    ‘authorised’ and officially designated “Smokeless Fuels’. Wood log are not classified as a Smokeless Fuel and therefore should not be burned in the Precision Inset Boiler stove if it is located in a building within a Smoke Control Area. In such a case you must only use an Approved Smokeless Fuel.

  • Page 9: Assembling The Stove

    • Flue spigot plate To maximise efficiency and safety the handle bolt. Feed the bolt and washer through the the HF357i-B Inset Boiler stove has been designed to handle grip. Use a Phillips crosshead screwdriver to work best in conjunction with a 150mm (6”) flexible attach the assembled grip to the door handle clamp flue liner connected to the purpose-designed spigot...

  • Page 10: Removing The Baffle Plate

    With the Precision Inset Boiler there are no baffle at the back of the fire chamber and that there are no fixing brackets, bolts or fire bricks to remove.

  • Page 11: 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 HF357i-B Inset Boiler stove: Manufactured or finished wood products, such as plywood and chipboard, must also be strictly avoided •...

  • Page 12: Understanding Fuel Types

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

  • Page 13: 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 do this.
  • Page 14 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 15: Burning Mineral Fuels

    Regular, smaller loads are better because they keep We therefore recommend burning your Precision Inset 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 16: Extended Burning

    The Precision Inset 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 17: 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 Inset is 4.5 metres (15’) from the hearth to the top of the chimney terminal.

  • Page 18: Appliance Installation Guidelines

    The minimum distances to combustible materials for surrounds intended for use with solid fuel open fires the HF357i-B Precision Inset Boiler are as follows: and stoves feature smaller panels pieced together which allow space for expansion when hot. Your stove...
  • Page 19 Flue Draught Precision strongly recommend fitting a chimney liner for the following reasons: The Precision Inset Boiler has been tested with a flue draught pressure of 12pa and therefore to ensure • A flue liner is a major ‘quantifiable’ component in performance which is in line with the test results on a total and fully functioning flue system.

  • Page 20: System Installation Guidelines

    Dual fuel linked systems • Float valve should also be copper You may have purchased your new Precision Inset • No automatic or manual valves on cold feed Boiler stove with the intention of adding it to an...
  • Page 22 radiator can be reduced to 15mm diameter provided inclined, again to encourage the natural flow. the run is no further than 300mm (12”) away from High and low limit thermostats the 22mm gravity circuit. No thermostatic or manually A high limit over-heat thermostat set at 80ºC should adjusted valves should be fitted to the heat leak be fitted to the gravity flow pipework and connected radiator to ensure that it can never be shut down.

  • Page 23: Fitting Instructions

    fills the voids at the sides and back of the inset stove. Attaching the stove to the fireplace There are two ways that the Precision Inset Boiler stove can be secured to the fireplace or fire surround depending on the particular opening. To ensure that you create a firm and safe fix it may be appropriate to...
  • Page 24 1 Base fixing 2 Front fixing Firstly, remove the ash pan, log bar and firegrate. You There are also two additional pre-drilled fixing holes will then see a pre-drilled hole in the centre of the on either side of the stove fire chamber opening that base of the stove.

  • Page 25: Commissioning

    COMMISSIONING 6 Legal Requirements Explain the householder’s legal requirement to use an approved fireguard when- 1 Internal Parts ever children (or the elderly and the infirm) are likely Confirm that all internal parts of the stove are to be in the vicinity of the stove. If the installation is correctly fitted, including the baffle plate.

  • Page 26: System Balance

    SYSTEM BALANCE TROUBLE-SHOOTING CHIMNEY FIRE With all wood burning and multi fuel boiler stoves, 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 27 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 28 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. combustion air required for the stove has not been accidentally blocked.
  • Page 29 • Causes: ‘Sludge’ in radiators is seasoned and dry, then burning the stove at very high temperature for a short period after a long slow If you have linked your new boiler stove to an old burn will usually burn off any sooty deposits. Glass central heating system and you have bled (and / or can be cleaned easily if it is undertaken regularly and balanced) your radiators and there is still a lack of...

  • Page 30: Routine Checks

    • Make sure the door maintains a good tight fit and • Chimney Cleaning The Precision Inset Boiler can be visually inspect the door rope seals for fraying or other swept through the stove by removing the baffle plate.

  • Page 31: Standing Down

    Your new Precision stove is supplied with a spare rope • Check the fire cement bonds around the liner joint and outer spigot plate. Remove any loose cement and re-seal.

  • Page 32: The Horse Flame® Warranty

    All claims must follow In the interests of safety, only ever use genuine this procedure. Precision replacement components. Once you have Your stove is guaranteed against defects subject to identified the component you need this will be readily the following conditions.

  • Page 33: Annual Service

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

  • Page 34: 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 36 P recision • • • • Precision Multi Fuel Stoves © Precision Multi Fuel Stoves 2010, 2011, 2012 and 2014. All rights reserved. Booklet contents may not be copied Hi-Flame Fireplace (UK) Limited in whole or in part without the prior written permission Holmes Chapel Business Park of the copyright holder.

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