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Esse 990WN Instructions Manual

Wood burning and solid fuel cooker
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Summary of Contents for Esse 990WN

  • Page 2: Table Of Contents

    Esse Wood Burning and Solid Fuel Cooker Models: N (no boiler), D (domestic hot water boiler). CONTENTS. Installation & Commissioning instructions Statutory Warnings Installation P.11 Technical Data Flue Draught Test P.13 Chimney & Flue Solid Fuel Burning P.14 Information Spacing & Dimensions Hot Water System P.19...

  • Page 3: Statutory Warnings

    STATUTORY WARNINGS. Please read these instructions carefully for full information on the safe installation, use and care of your new Esse appliance. We cannot accept responsibility for damage to persons or items due to poor or incorrect installation of this appliance.
  • Page 4 It is also recommended that a smoke alarm and appropriate fire safety equipment such as a fire extinguisher and fire blanket are installed in the kitchen as a safety precaution. An adequate air supply for combustion and ventilation is required. A purpose provided air vent is necessary.

  • Page 5: Chimney & Flue Information

    CHIMNEY & FLUE INFORMATION The successful operation of the cooking appliance relies on the adequate performance of the chimney to which it is connected. The following chimney guidelines must be followed: • It should have an internal cross section of no less than 320cm2 (200mm dia.) (If a flue liner is used, it should be 150mm (6’’) diameter and be made of suitable material for burning wood).
  • Page 6 The chimney/flue to which this appliance is being connected must be swept and examined for soundness prior to installation. Remedial action should be taken if required, seeking expert advice if necessary. Where the chimney is believed to have served an open fire installation it is possible that a higher flue gas temperature from a closed appliance may loosen deposits that were firmly adhered, with the consequent risk of flue...
  • Page 7 Fig 1: Chimney & flue performance LOW FLUE DRAUGHT SYMPTOMS: DIFFICULT TO LIGHT AND SMOKE COMING INTO THE ROOM CAUSE REMEDY Cold chimney Line the chimney Chimney too short Extend the chimney Relocate/extend chimney terminal. Fit an anti-down draught Down draught cowl.

  • Page 8: Spacing & Dimensions

    SPACING AND DIMENSIONS. Fig. 2 990EL Cooker Dimensions Page 8 990-WNWD-I03-020317...

  • Page 9: Unpacking Your New Cooker

    UNPACKAGING YOUR NEW COOKER. Unpack your new Esse Cooker, removing all of the outer packing and accessories from the top and bottom ovens, including protective film on the door liners. At this time please examine the cooker for any damage to the enamel finish and hob glass.

  • Page 10: Commissioning Checklist

    COMMISSIONING CHECKLIST To assist with any potential guarantee claim please complete the following information:- To be completed by the installer. Dealer the appliance was purchased from: Name: Address: Telephone No: ESSENTIAL information: Date Installed Model Description: Serial No: Installation Engineer: Company Name: Address: Telephone No:...

  • Page 11: Cooker

    INSTALLATION You must be aware of the following safety requirements & regulations: This appliance shall be installed in accordance with the regulations in force. Read the instructions before installing or using this appliance. The cooker must be installed in accordance with: All relevant British Standards / Codes of Practice and the relevant Building / IEE regulations Location of the Oven...
  • Page 12 Important Installation Notes 1. The installation must allow access for adequate chimney sweeping and flue cleaning. 2. Avoid using bends greater than 45º to the vertical. All flue pipe sections should be as close to the vertical as possible. 3. All joints in the flue system must be effectively sealed. 4.

  • Page 13: Flue Draught Test

    Placing the cooker The 990 can be lifted from the pallet it is delivered on utilising ESSE lifting wheels issued to ESSE retailers. These allow the cooker to be wheeled into position in the home. Once decoupled from these wheels and on a flat floor, the cooker can be gently moved backwards by removing the kick strip &...

  • Page 14: Solid Fuel Burning

    Minimum reading: The appliance should be lit and allowed to warm the flue thoroughly. Close the air slider control and ensure firebox door is fully closed. Allow the burning rate to become steady. The flue draught reading should now be taken; the minimum required is 12 Pascal’s [Pa] (0.05’’...
  • Page 15 Fig. 3 Cooker with hotplate removed, front view. Fig. 4 Cooker with hotplate removed, side view. GASKET CATALYSERS CATALYSER BRACKET Page 15 990-WNWD-I03-020317...
  • Page 16 Solid Fuel Assembly Fig. 5 Solid fuel burning kit Solid Fuel Grate Ashpan  Remove vermiculite base bricks.  Fit solid fuel grate assembly, ashpan support plate and ashpan.  Remove the catalysers and their holding bracket from underneath the hotplate. Fig.
  • Page 17 Fig. 7 Air Controls Fire door closed, with primary and secondary air sliders in the open position to the right hand side. Use the Primary Air Slider (lower control) to set the burning rate for Solid Fuel. Use Secondary Air Slider (upper control) to set the burning rate for Wood Burning.
  • Page 18 Transit Socket Screw removal Fig. 9 Transit socket screws Upon successful installation, using a 5mm Allen key, remove the two M6 Transit socket screws (as shown in fig 9 above). Using a 4mm Allen key, insert the two M8x8 grub screws supplied with the cooker into the holes in the hotplate and adjust until the head of the grub screw is level with the surface of the hotplate.

  • Page 19: Hot Water System

    HOT WATER SYSTEM A. There are two connections, both 1” BSP Female on the left hand side. General notes follow below. B. The D boiler is of mild steel construction for use on an open vented indirect system. A domestic Stainless Steel boiler can be purchased from your supplier for use on an open vented direct system if required.
  • Page 20 990WN & 990WD Operation instructions INTRODUCTION Your Esse 990 is a combination appliance providing a hot plate, 3 ovens of different temperatures, room heat and in the case of the D model domestic hot water. The firebox behind the top left door has an inner glass door for viewing the fire, which also houses the air controls.
  • Page 21 deashing and re-fuelling may occur. Persistent fume emission is potentially dangerous and must not be tolerated. If the fume emission persists, please open doors and windows to ventilate the room. Let the fire burn out or eject and safely dispose of fuel from the appliance.
  • Page 22 The appliance and its accessible parts become hot during use. Care should be taken to avoid touching heating elements. Children less than 8 years of age shall be kept away unless continuously supervised. Unattended cooking on a hob with fat or oil can be dangerous and may result in fire, NEVER try to extinguish a fire with water, instead cover the flame with a lid or use a fire blanket.
  • Page 23 LIGHTING AND CONTROLLING THE COOKER Open flue damper by moving the lever away from you. The damper has only 2 positions, open and closed. (Fig.9) Open the outer cast iron door to reveal the glass door and set primary and secondary air controls to open position (Fig.10). Open the glass door and set the fire using rolled up paper, on top of which small sticks of dry kindling wood has been placed.
  • Page 24 door against any logs protruding from the fire or attempt to use the door to force any logs into the firebox. Burning smokeless solid fuel, it is recommended the secondary control is closed, using the primary control to regulate the burning rate.
  • Page 25 COOKING IN THE OVENS The cooker has 3 ovens. Please refer to the table for comparable temperature guides in degrees Centigrade. Fig 12 diagram 1: Main 2: Lower 3. Firebox 4: Hotplate 5: Hotplate oven Oven oven (hottest) (coolest) 1 hour from lighting 200°C 120°C 190°C...
  • Page 26 The ovens are all of equal depth and each is equipped with wire shelves which can be set to the desired height. The shelves have anti-pull out stops on their ends to prevent them from being pulled out inadvertently; to remove a shelf, pull forward until the stop is reached, then lift at the front and pull out of the oven.
  • Page 27 Fig 15 Cooker tool ASH REMOVAL When burning wood, only remove small amounts of ash from the grate, leaving ideally 30mm depth of ash in the bottom for best performance. When burning solid fuel, deash regularly. TYPES OF FUEL Seasoning and storing firewood. Wood, which has recently been cut and is still full of sap and moisture is known as "green"...
  • Page 28 Wood is composed of bundles of microscopic tubes that were used to transport water from the roots of the tree to the leaves. These tubes will stay full of water for years even after a tree is dead. This is why it is so important to have your firewood cut to length for 6 months or more before you burn it, it gives this water a chance to evaporate since the tube ends are finally open and the water only has to migrate a foot or two to escape.
  • Page 29 Evaporation When you light the cooker a lot of energy will be needed at first to boil away any moisture, which is left in the wood. Using energy to drive off excess water in firewood robs the cooker of energy needed for an efficient and clean burn.

  • Page 30: Operation Tips

    Charcoal When most of the tar and gasses have burned the remaining substance is charcoal (ash in its finer form). A hot bed of charcoals and ash can enhance the combustion process when burning larger pieces of wood. Start with a small fire to develop a bed of glowing embers.

  • Page 31: What Type Of Wood Is

    WHAT TYPE OF WOOD IS BEST The difference between 'hard' and 'soft' woods is the density of their cells or fibres. As a general rule, the deciduous trees (those that lose their leaves in the autumn) are usually thought of as hardwoods and the evergreen trees (such as pines, firs and larches) as the softwoods.
  • Page 32 After reading the notes about the burning process, you will understand that means less pollution in the form of smoke and less creosote condensation in your chimney. The denser hardwoods tend to smoulder more easily when the fire is lit first, so their flue gas temperature will be much cooler.

  • Page 33: The Importance Of A

    THE IMPORTANCE OF A HEALTHY FLUE The successful operation of your range cooker is entirely dependent on the adequate performance (pull) of the chimney or flue to which it is connected. The following maintenance guidelines will be pointless unless the flue is also maintained and cleaned regularly. How often it needs cleaning will depend on the quality and moisture content of the wood you burn but an annual clean is recommended.
  • Page 34 Fig 18 Good draft and poor draft examples Good draft & clean flue = efficient Poor draft & dirty flue = inefficient wood wood burning, clear flue ways, burning, blocked flue ways, lots of soot and minimal soot and no tar deposits tar deposits.

  • Page 35: Cleaning The Flueways

    CLEANING THE FLUEWAYS – Every 3 months Always carry out cleaning procedures when the cooker is out and has been allowed to cool sufficiently to avoid burns. With time and experience you will be able to gauge the intervals between flueway cleaning more accurately.
  • Page 36 Fig 19c Lift the hotplate out with care and place on newspaper or an old sheet, lightly brush the surfaces with a wire brush and vacuum up any debris. Page 36 990-WNWD-I03-020317...
  • Page 37 Flue box and flueway Fig 20 Remove the front of the flue connector box and insert the flue brush from left to right, angling the brush down at 45°. Once you find the flue way entrance push the brush down until it stops then gently but firmly pull back and forth 3 or 4 times then remove the brush.
  • Page 38 To use this, open the right hand oven door and remove the oven shelf. Using the cooker tool, the panel can be lifted vertically by a few millimetres and then tilted out at the bottom and slid out. This will now give you access to the rear flueway, which can be brushed with the flue brush.
  • Page 39 The second method is to open the top right oven door and remove the oven shelf. Then by gripping the right hand shelf runner, the runner can be lifted a few millimetres and the shelf runner can be tilted out at the bottom and removed from the oven.

  • Page 40: Cleaning The Exit Flue

    Fig 25 With the scrapping tool pull any soot or granules into the open space to be vacuumed Due to the access panels for the flueways, the inside of the top right hand oven may require to be vacuumed after this cleaning. CLEANING THE EXIT FLUE –...

  • Page 41: Caring For Your Esse Cooker

    Fig 26 CARING FOR YOUR ESSE COOKER. Your Esse cooker is very easy to keep clean. The cast iron hotplate helps to clean itself, by carbonising cooking spills and splashes. Just brush off the carbon dust. For stubborn stains, don’t be afraid to use a wire brush on the cast iron hotplate and inside the ovens.
  • Page 42 The door handles can be adjusted using the adjustment screw on the lift up latch part of the handle. A video on how to adjust the door handle is on the Esse TV section of www.esse.com. Replacement door ropes can also be purchased form www.esse.com...
  • Page 43 5. A replacement rope seal (Part No: ROPE/CUT.WHT/3x1040mm) can now be fitted in place. 6. A new glass panel (Esse Part Number: 990-007C [Glass 271x190x 4mm thick ceramic glass]) can now be fitted using the existing washers, glass clips and screws.

  • Page 44: Replacement Parts

    WARNING: Do not clean the inner firebox door glass when hot. REPLACEMENT PARTS Flexible Flue Rake 2040-807 S Hotplate Screw CENT-118 S Hotplate Lifting Tool 2040-400 BO Flue Brush WN/WD 3"DIA FLUE BRUSH Hotplate Rope ROPE/CUT.WHT-T/25x1800 Bolster Rope ROPE/CUT.WHT/8x1800-C 990 CAT: 2.5 x 7.5 x 2 (16), Catalysers NOTCH, BI (CAT 2-1 PER UNIT) Vermiculite Bricks...

  • Page 45: Guarantee

    ESSE dealer, who will bring your concerns to our attention. We will assess the nature of the complaint and either send replacement parts for your dealer to fit, or arrange for an ESSE engineer to inspect the appliance and carry out any work that may be deemed necessary.
  • Page 46 ‘caring for your Esse cooker’ instructions on page 43. CUSTOMER CARE In the event you should require spare parts, please order through your ESSE dealer or by contacting Esse via telephone (+44 1282 813235) or our website, www.esse.com. Page 46 990-WNWD-I03-020317...
  • Page 47 Page 47 990-WNWD-I03-020317...
  • Page 48 ESSE Engineering Limited, Ouzledale Foundry, Long Ing, Barnoldswick, Lancashire BB18 6BJ Tel. 01282 813 235, Fax: 01282 816 876 Website and On-line Store http://www.esse.com Page 48 990-WNWD-I03-020317...

This manual is also suitable for:

990wd

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