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ENGLISH
RAIS manual for Rais Rondo 92 & Rondo 120
INSTRUCTIONS FOR INSTALLATION,
USE AND MAINTENANCE
RAIS RONDO 92 / 120
IMPORTANT INFORMATION
On first lighting the stove you must be careful not to touch the painted
surfaces and it is MOST IMPORTANT that the door is kept slightly 'ajar' in
order for the door seal and sealant to cure.
This will prevent the door seal sticking to the painted body and becoming
damaged.
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Summary of Contents for RAIS RONDO 92
- Page 1 ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 INSTRUCTIONS FOR INSTALLATION, USE AND MAINTENANCE RAIS RONDO 92 / 120 IMPORTANT INFORMATION On first lighting the stove you must be careful not to touch the painted surfaces and it is MOST IMPORTANT that the door is kept slightly ‘ajar’ in order for the door seal and sealant to cure. This will prevent the door seal sticking to the painted body and becoming damaged.
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Page 3: Table Of Contents
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Revision Date : 2011 INTRODUCTION ………………………………………………………….. 4 WARRANTY …………………………………………………….………….. 4 SPECIFICATIONS ………………………………………………………….. 5 CONVECTION ………………………………………………………………. 6 INSTALLATION INSTRUCTIONS ………………………………….……… 7 CHIMNEY ………………………………………………………….…………. 89 INSTALLATION ……………………………………………………………... 11 OPERATION OF SWIVEL BASE ( RONDO 120 ) ……………………….. 11 ADJUSTMENT OF CHIMNEY CONNECTION …………………………… 1213 INSTALLATION DISTANCE TO COMBUSTIBLE WALL ……………… 14 GENERAL INSTALLATION (RIGHT ANGLE) SECURE BASE ……….. 15 CORNER INSTALLATION 45° ………………………………………. 15 360° SWIVEL BASE …………………………………………………… 16 INSTALLATION DISTANCE TO NONCOMBUSTIBLE WALL ……….. 16 FOR THE INSTALLER …………………………………………………….. 17 OPERATING INSTRUCTIONS …………………………………………….. 18 ... -
Page 4: Introduction
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Introduction Thank you for purchasing a Rais wood burning stove. These appliances have been approved by HETAS as intermittent operating appliances for burning wood logs only. These appliances have been approved for use in Smokeless Zones. A Rais wood burning stove is more than just a heat source: it also shows that you care about design and quality in your home. To make the most of your wood burning stove it is important that you read the manual thoroughly before installing and using it. In the case of warranty coverage, and for general queries regarding your wood burning stove, it is important that you know the stove’s production number. We therefore recommend that you note down the number in the table below. The production number is located at the back of the stove at the bottom. Warranty Your Rais wood burning stove comes with a 5 year warranty. The warranty, however, does not cover heatinsulating materials, glass and seals. These are available to order from your local Rais dealer / stockist. Any alterations made to the stove will void the warranty. ... -
Page 5: Specifications
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Rais Rondo 92 Rais Rondo 120 Nominal output (kW): 5 5 Min. / Max. output (kW): 3.8 3.8 2 Heating area (m ): Ca. 100 Ca. 100 Size, width/depth/height (mm): 490 490 920 490 490 1200 Combustion chamber width/depth/height (mm). 350 290 355 350 290 355 Recommended amount of wood when fuelling (kg) 1.5 1.5 ... -
Page 6: Convection
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Convection Rais stoves are convection stoves. This means that the stove’s back and side panels are not overheated. Convection means that there is a circulation of air, which ensures that the heat is distributed more evenly throughout the entire room. The cold air is sucked in at the base of the stove and up through the convection channel, which runs along the stove’s combustion chamber. The heated air comes out at the top of the stove, which ensures a circulation of warm air throughout the room. The stoves are equipped with cool door handles a Rais special feature which means you could almost do away with gloves. Be aware, however, that all exterior surfaces become hot during use so take extreme care. -
Page 7: Installation Instructions
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Installation Instructions The following pages give instructions for the safe and proper installation of this heating appliance in the UK. These instructions cover the basic principles of installation, although some details may need slight modification to suit particular local site conditions. In all cases the installation must comply with current UK Building Regulations, Local Authority Byelaws and other specifications or regulations as they affect the installation of the stove. Please note that it is a legal requirement under England and Wales Building Regulations that the installation of the stove is either carried out under local Authority Building Control approval or is installed by a Competent Person registered with a Government approved Competent Persons Scheme. HETAS operate such a scheme and a listing of their registered Competent Persons can be found on their website at www.hetas.co.uk. It should be noted that the current Building Regulations requirements are given in Approved Document J. These requirements may also be met by adopting the relevant recommendations given in British Standards BS 8303, BS 6461 and BS 7566. WARNING. Health and Safety Advice Notice. The installation of this heating appliance is governed by the Health and Safety at Work Act 1974. it is the responsibility of the installer to ensure that all requirements of this Act are met during the installation works. Attention is drawn in particular to the following: Handling: The appliance is a heavy item and adequate facilities must be available for loading, unloading and site handling. Fire Cement: Some types of fire cement are caustic and should not be allowed to come into contact with the skin. Protective gloves should be worn when handling fire cement. In case of contact with the skin, 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 the installation, then please seek specialist guidance and use appropriate protective equipment. Metal Parts: When installing or servicing this stove care should be taken to avoid the possibility of personal injury. Important Warning Preparatory Work and safety Checks: This stove must not be installed into a chimney which serves any other heating ... -
Page 8: Chimney
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Chimney The chimney is the driving force which makes the stove function. In order for the stove to perform satisfactorily the chimney height must be sufficient to ensure the correct draught of 14 to 18 Pa, so as to clear the products of combustion and prevent problems of smoke leaking into the room when the stove is lit. Note: A chimney height of not less than 4.5 metres, measured vertically from the outlet of the stove to the top of the chimney, should be satisfactory. Alternatively the calculation procedure given in BS 5854:1980 may be used as the basis for deciding whether a particular chimney design will provide sufficient draught. The outlet from the chimney should be above the roof of the building in accordance with the provisions of the Building Regulations Approved Document J. If the installation is into an existing chimney, then it must be sound and have no cracks or other faults which may allow fumes into the house. Older properties, especially, may have chimney faults or the cross section may be too large i.e. more than 230 x 230mm. Remedial action should be taken if required, expert advice should be sought where required. If the chimney requires lining, then a suitable solid fuel flue liner must be used, in accordance with Building Regulations Approved Document J. Any existing chimney must be clear of obstruction and should have been swept clean immediately before the installation of the stove. If the stove is fitted in place of an open fire, then the chimney should be swept one month after installation to clear any soot falls which may have occurred due to the difference in combustion between the stove and the open fire. If there is no existing chimney then either a prefabricated block chimney, in accordance with Building Regulations Approved Document J or a twin wall insulated stainless steel flue to BS 4543 can be used. These chimneys must be fitted in accordance with the manufacturer’s instructions and the Building Regulations. A single wall metal fluepipe is suitable for connecting the stove to the chimney but is not suitable for using for the complete chimney. The chimney and connecting fluepipe must have a minimum diameter of 150mm and it’s dimension should be not less than the size of the outlet socket of the stove which is 150mm. Any bend in the chimney or connecting fluepipe should not exceed 45°. 90° bends should not be used. Combustible material should not be located where the heat dissipating through the walls of fireplaces or flues could ignite it. Therefore when installing the stove in the presence of combustible materials due account must be taken of the guidance on the separation of combustible material given in Building Regulations Approved Document J and also in these stove instructions. - Page 9 ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 If it is found that there is excessive draught in the chimney then either an adjustable flue damper or alternatively a draught stabiliser should be fitted. The adjustable flue damper should not close off the flue entirely, but should in its closed position leave a minimum continuous opening free area of at least 20 % of the total cross sectional area of the flue or fluepipe. Adequate provision e.g. easily accessible soot door or doors must be provided for sweeping the chimney and connecting fluepipe. You should also familiarise yourself with the draught conditions for chimneys with 2 flues. For strong draughts, the chimney or flue should be fitted with a draught stabiliser. In which case, it is important to ensure that there is a free flowthrough area of minimum 2 20 cm when the regulating gate is shut. Otherwise, the fuel energy may not be used optimally. If, at any time, you are unsure about the condition of the chimney, you should contact a chimney sweep. Remember that access to the soot door should be kept clear.
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Page 11: Installation
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Installation It is prohibited to carry out unauthorised alterations to the stove. There must be plenty of fresh air in the room where the stove is being installed, in order to ensure proper combustion. Note that any mechanical exhaust ventilation e.g. an extraction hood may reduce the air supply. Any air grilles must be placed in such a manner, that the air supply is not blocked. Building Regulations Approved Document J gives specific guidance on the required permanent ventilation into the room for combustion air of solid fuel appliances. The floor structure must be able to carry the weight of the wood burning stove, as well as the weight of a chimney, if necessary. When you choose where to set up your RAIS wood burning stove, you should consider the heat distribution to the other rooms. This will enable you to get the best use out of your stove. The stove should be set up at a safe distance from inflammable materials. See the manufacturer's plate on the wood burning stove. Installation with turntable ( Rais Rondo 120 ) If the stove has a turntable then please do the following: Push / pull the pedal in 15° intervals. When the stove is in the desired position, let go of the pedal and turn the stove lightly until it slips into place. -
Page 12: Adjustment Of Chimney Connection
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Adjustment of the chimney connection The stove is always delivered for top flue connection, but can be changed to rear flue connection as follows: Remove the baffle plate and smoke diverter ( see cleaning and care ). spanner Loosen the three M6 nuts with a . Make sure that the flue diverter is fastened to the protective cover. Lift up the reflector plate, push out the ‘knockout’ and put the reflector plate back into place. - Page 13 ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Remove the casing knockout. Remove the protective cover / seal and place over the hole in the top make sure that the seal is positioned properly. Tighten the assembly using the three M6 nuts. The flue outlet spigot, which can be found in the stove in a bag, and the holder for the upper flue diverter are assembled with 3 M6 x 20 nuts and bolts. The upper flue diverter, baffle plate and top plate are assembled in reverse order.
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Page 14: Installation Distance To Combustible Wall
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Installation distance to combustible wall To find out whether the wall next to where the stove is going to be installed is flammable, you should contact your building contractor or the local building authorities. The hearth should be able to accommodate the weight of the stove. The chimney must be independently supported by wall brackets or a ceiling support plate. The weight of the stove is indicated in the brochure. The stove should always be installed on a noncombustible hearth of a size and construction that is in accordance with the provisions of the current UK Building Regulations Approved Document J. If the stove is to be installed on a wooden floor, it must be covered with a noncombustible material at least 12mm thick, in accordance with UK Building Regulations Approved Document J, to a distance of 300 mm in front of the stove and 150 mm to each side measuring from the door of the combustion chamber. The clearance distances to combustible material beneath, surrounding or upon the hearth and walls adjacent to the hearth should comply with the guidance on the separation of combustible material given in UK Building Regulations Approved Document J and also in these stove instructions. Inform the user that the appliance has been commissioned and ready to use and give instruction on the safe operation of the stove. These Instructions must be left with the user and the user should be instructed to keep them in a safe place. -
Page 15: General Installation (Right Angle) Secure Base
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Page 16: 360° Swivel Base
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Page 17: For The Installer
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 For the Installer Finally before firing the stove for the first time a check should be made to ensure that the assembly and stove installation has been satisfactory and that there are no leaks in any seals in the appliance and appliance connections to the chimney. Ensure that the appliance and chimney flue are functioning correctly before finally handing over to the user. Read the later parts of this manual for guidance on care required when first lighting. Inform the user that the appliance has been commissioned and ready to use and give instruction on the safe operation of the stove. These Instructions must be left with the user and the user should be instructed to keep them in a safe place. -
Page 18: Operating Instructions
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Operating instructions Please note that HETAS Appliance Approval only covers the use of dry seasoned wood logs on this appliance. HETAS Approval does not cover the use of other fuels either alone or mixed with the wood logs, nor does it cover instructions for the use of other fuels. Fuel The stove is designed and approved in accordance with EN 13240 and NS 3058 for stoking split, dried firewood. The firewood must have a water content of 1522% and its max. length should be the length of the combustion chamber minus 5060 mm. Stoking with wet firewood causes both soot, environmental pollution and bad fuel economy. Freshly cut wood contains approx. 5070% water and is thoroughly unsuitable for stoking. Allow at least 1 year of storage time for newly cut wood before using. Wood with a diameter of more than 100 mm should be split. Regardless of wood size, it should always have at least one surface area free of bark. We do not recommend stoking with painted, laminated or impregnated wood, wood with a synthetic surface, painted refuse wood, chipboard, plywood, domestic waste, paper briquettes and pit coal, as this will produce malodorous smoke, which could be poisonous. When firing with the abovementioned items and amounts larger than those recommended, the stove is subjected to a larger amount of heat, which results in a higher chimney temperature and lower efficiency. This can result in the stove and chimney becoming damaged and would void the warranty. The calorific value of the firewood is closely connected to the moisture level. Moist firewood has a low heat value. The more water the wood contains, the more energy it takes for this water to vaporise, resulting in this energy being lost. ONLY USE RECOMMENDED FUELS The following table shows the calorific value of different types of wood, which have been stored for 2 years and which have a residual moisture of 15 17%. 3 Wood Kg dry wood pr m compared to beech/oak Hornbeam 640 110% Beech and oak 580 ... -
Page 19: Drying And Storage
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Drying and storage Drying wood takes time: proper air drying takes approximately 2 years. Here are some tips: Store the wood sawn, split and stacked in an airy, sunny place, which is protected against rain (the south side of the house is particularly suitable). Store the firewood stacks at a hand's breadth apart, as this ensures that the air flowing through takes the moisture with it. Avoid covering the firewood stacks with plastic, as this prevents the moisture from escaping. It is a good idea to bring the firewood into the house 23 days before you need it. Regulating the combustion air All RAIS stoves are equipped with a onehanded operating lever for regulating the damper. The stovespecific regulating mechanisms can be seen on the diagrams. Primary air is the combustion air added to the primary combustion zone, i.e. the bed of glowing embers. This air, which is cold, is only used in the lighting stage. Secondary air is the air which is added in the gas combustion zone, i.e. air which contributes to the combustion of the pyrolysis gasses (preheated air, which is used for the cleaner glass system and combustion). This air is sucked through the damper under the combustion chamber and is preheated through the side channels and then emitted as hot scavenging air onto the glass. The hot air rinses the glass and keeps it sootfree. The tertiary channel, which can be seen at the top of the combustion chamber towards the back, serves to combust the final gas residues. By setting the interval between position 1 and 2, the energy content in the firewood is used optimally, as there is oxygen for combustion and for the burning of the pyrolysis gasses. When the flames are a clear yellow the damper has been set correctly. Finding the correct position comes with time after you have used for stove for a while. It is not recommended that you turn it down completely. A mistake commonly made is shutting the damper too early because it feels too hot. This results in dark smoke emanating from the chimney and in the calorific value of the firewood not being used to its fullest. Room ventilation and stoves There must not be an extractor fan fitted in the same room as the stove as this can cause the stove to emit smoke and fumes into the room. The stove requires a permanent and adequate air supply in order for it to operate safely and efficiently. In accordance with current Building Regulations the installer may have fitted a permanent air supply vent into the room in which the stove is installed to provide combustion air. This air vent should not under any circumstances be shut off or sealed. -
Page 20: Using The Wood Burning Stove
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Using the wood burning stove Adjusting the air damper. The damper has 3 settings. Position 1 The damper is almost closed meaning that there is a minimal air intake. Position 2 Push the lever to the right until it stops. This position gives full secondary air. During normal use the lever is set between position 1 and 2. When the flames are clear and yellow, the damper is set correctly, i.e. resulting in a slow/optimal burning. Position 3 Push the lever upwards and to the right. The air damper is completely open and gives full primary and secondary air. This position is for the lighting stage and is not used under normal operation. Control If the ash is white and the walls in the combustion chamber are soot free after the stove has been used, the air regulation was set correctly and the wood was sufficiently dry. -
Page 21: First Usage
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 First usage A careful start pays off. Start with a small fire, so that the wood burning stove can get accustomed to the high temperature. This gives the best start and any damage is avoided. Be aware that a strange but harmless odour and smoke concoction may emanate from the surface of the stove, the first time you fire up. This is because the paint and materials need to harden. The odour disappears quickly, but you should check the ventilation and draught, if possible. See also, the IMPORTANT warning notice below about persistent fumes. During this process you must be careful not to touch the painted surfaces, and it is recommended that you regularly open and close the door to prevent the door seal from sticking. The stove may also produce "clicking noises" during heating and cooling, caused by the large temperature differences which the material is subjected to. Never use any type of liquid fuel for kindling or maintaining the fire. You could be at risk of explosion. The stove gets very hot when in use, always wear protective gloves when tending the stove. If the stove has not been used for a while, follow the steps as if you were using it for the first time. IMPORTANT Warning Note! Properly installed, operated and maintained this appliance will not emit fumes into the dwelling. Occasional fumes from deashing and refuelling may occur. However, persistent fume emission is potentially dangerous and must not be tolerated. If fume emission does persist, the following immediate actions should be taken: (a) Open doors and windows to ventilate room. (b) Let the fire out or eject and safely dispose of fuel from the appliance. (c) Check for flue or chimney blockage, and clean if required. (d) Do not attempt to relight the fire until the cause of the fume emission has been identified and corrected. If necessary seek expert advice. IMPORTANT Warning Note! Do not use an aerosol spray on or near the stove when it is alight. IMPORTANT Safety advice! When using the stove in situations where children, aged and/or infirm persons are ... -
Page 22: Lighting And Fuelling
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Lighting and fuelling To light the stove, use alcohol briquettes or similar, as well as approximately 2kg of firewood, split into kindling sticks. Set the air damper to the fully open position. It is important that the AirKit system airtight flap, located at the rear of the stove (if fitted), is always opened prior to lighting the stove. Tips before firing up: Open a door or window close to the wood burning stove. If there is ‘storm’ in the stove coming from the chimney it is advisable to place a screwed up piece of newspaper between the upper baffle plate and the chimney. Light the paper and wait until you hear a ‘rumbling’ noise in the chimney. This means that there is definitely a draught in the chimney and you should avoid smoke coming back into the room. Light the fire and shut the door, leave the door ajar approximately 1015mm. - Page 23 ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 When the flames are clear, after approximately 510 minutes, close the door. Damper see adjustment of the damper. After approximately 1020 minutes, when you have a good bed of glowing embers, add 23 pieces of wood. Leave the door ajar until the fire has caught properly, then close the door. Damper see adjustment of the damper. After approximately 5 minutes, or when the flames are clear and stable, close the damper gradually. It is recommended to have a layer of approximately 20mm, as it has an insulating effect. NOTE! During operation the door should always remain closed.
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Page 24: Cleaning And Care
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Cleaning and care The wood burning stove and the chimney must be serviced by a chimney sweep twice a year. During cleaning and care, the stove must be cold. If the glass is sooty: Moisten a piece of paper or newspaper, dip it in the ash, and rub the sooty glass with it. Now rub with a dry piece of paper and the glass will become clean. As an alternative you can use glass cleaner, which you can buy from you RAIS distributor. Clean the exterior with a dry sponge or a soft brush. Cleaning the combustion chamber: Scrape/shovel the ash out and store it in a nonflammable container until it has cooled down. You can dispose of ash with your normal household waste or recycle on the garden. REMEMBER!! Never remove all the ashes from the combustion chamber the wood will burn at its best with a layer of ashes of approx. 20 mm. Prolonged periods of nonuse: If the stove is to be left unused for a prolonged period of time then it should be given a thorough clean to remove ash and unburned fuel residues. To enable a good flow of air through the appliance to reduce condensation and subsequent damage, leave the air controls fully open. Prior to a new heating season, it should be checked that the chimney and flue pipe connector are not blocked. -
Page 25: Cleaning Of The Flue Ways
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Remove the baffle plate by lifting it up Next, remove the flue diverter by lifting it up at one end and tilting it slightly at an and pulling it forward. angle. Carefully lift out the flue diverter. Carefully pull out the plate. Remove any dust and dirt and assemble in reverse order. -
Page 26: Problem Solving
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Problem solving Smoke spillage around door: could be due to too low draught in the chimney <12Pa check if the flue or chimney is blocked check if a extraction hood is switched on; if it is, switch it off and open a window/door in the proximity of the stove for a short while. Soot on glass: could be because the firewood is too wet. make sure that the stove is heated properly when firing up, prior to closing the door could be because the damper regulation is too low. A stove burning too strong could be caused by: a leak around the door seal chimney draught too large >22 Pa, draught control regulator should be installed. A stove burning too weakly could be caused by: too little firewood too little air supply for the room ventilation dirty smoke channels leaking chimney leakage between chimney and flue If your stove continues to malfunction, we recommend that you contact your RAIS distributor or chimney sweep. IMPORTANT!! To ensure safe burning there must be clear yellow flames or clear embers at all times. The firewood should not be smouldering. Therefore you should never completely cut off the air supply. WARNING!! ... -
Page 27: Accessories And Spare Parts
ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120 Accessories and spare parts If spare parts other than those recommended by RAIS are used, the warranty is voided. All replacement spare parts can be purchased from your RAIS distributor / stockist. See the following spare parts diagrams for the individual products. - Page 28 ENGLISH RAIS manual for Rais Rondo 92 & Rondo 120...
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