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Page 3 

990-WNWD-I03-020317 

 
 

990WN & 990WD installation & commissioning instructions 

 

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. 

In the UK, the installer has a responsibility under the Health and 
Safety at Work Act 1974 to provide for the safety of persons 
carrying out the installation. Attention is drawn to the fact that 
fire cement is caustic and hands must be washed thoroughly after 
use. The appliance is heavy (max 450kg) and care must be taken 
during handling. Although the appliance does not contain 
asbestos products, it is possible that asbestos may be disturbed in 
existing installations and every precaution must be taken. 

These instructions give a guide for the installation of the appliance 
but in no way absolve the installer from responsibilities to conform 
to British Standards, in particular BS8303 and BS6461, relating to 
the installation of solid fuel appliances. All local regulations 
including those referring to national and European standards need 
to be complied when installing this appliance. 

Outside of the UK, the installer must comply with all local, national 
& European standards that apply. 

Any adjacent combustible material should be far enough away 
from the appliance so as not to raise 60ºC above the room 
temperature when the appliance is in operation. If necessary, any 
adjoining walls should be protected from the effects of heat.  

Clearances from combustible materials are 20mm from the sides 
and 40mm from the rear.

 

Summary of Contents for 990WD

Page 1: ......

Page 2: ...System P 19 Unpacking your new cooker P 9 Commissioning Checklist P 10 Operating instructions Introduction P 20 Operation Tips P 30 Safety Notes P 20 What Type of Wood Is Best P 31 Before Using Your C...

Page 3: ...os products it is possible that asbestos may be disturbed in existing installations and every precaution must be taken These instructions give a guide for the installation of the appliance but in no w...

Page 4: ...purpose must not be restricted Due to our policy of continuous innovation we reserve the right to adjust or modify our product without prior notification This appliance is not suitable for installati...

Page 5: ...yond the narrowing of the chimney Be terminated at lease 1m above roof level so that the chimney does not terminate in a pressure zone If the appliance is installed as a freestanding appliance it shou...

Page 6: ...at were firmly adhered with the consequent risk of flue blockage It is therefore recommended that the chimney be swept a second time within a month of regular use after The chimney can be checked befo...

Page 7: ...an anti down draught cowl Chimney diameter too large Line the chimney Chimney obstruction Clear sweep the chimney Restricted air supply Check for competing draughts other chimneys extractor hood fans...

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

Page 9: ...he 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 Any damage to the cooker or anything missi...

Page 10: ...No Installation Engineer Company Name Address Telephone No Commissioning Checks to be completed and signed Is the flue system correct for this appliance Yes No Flue swept and checked for soundness Yes...

Page 11: ...is designed for domestic cooking only Use for any other purpose could invalidate any warranty or liability claim The cooker weighs approximately 450kg and so the floor must be capable of withstanding...

Page 12: ...sections of the Building Regulations must be conformed to 5 Air inlet grilles should be positioned so that they are not liable to blockage 6 An air extraction device shall not be used in the same roo...

Page 13: ...tioning The appliance should be sited on non combustible material FLUE DRAUGHT TEST Measure and record flue draught Check Ventilation Check no extractor fan other appliance or other flue interferes Wi...

Page 14: ...lue draught symptoms difficult to light and smoke coming into the room With a high flue draught fuel burns away very quickly Flue Stabiliser A flue stabiliser can be fitted to reduce the draught throu...

Page 15: ...Page 15 990 WNWD I03 020317 Fig 3 Cooker with hotplate removed front view Fig 4 Cooker with hotplate removed side view GASKET CATALYSER BRACKET CATALYSERS...

Page 16: ...el burning kit 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 6 Catalyser...

Page 17: ...l to set the burning rate for Solid Fuel Use Secondary Air Slider upper control to set the burning rate for Wood Burning Wood Burning Fig 8 Wood burning fire box To set the cooker back into a wood bur...

Page 18: ...cket 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 w...

Page 19: ...ndirect storage cylinder is essential for domestic hot water supply irrespective of whether the water supply is hard or soft A minimum cylinder capacity of 30 gallons is required The cylinder should b...

Page 20: ...designed to reduce heat losses and therefore fuel use from the appliance when not cooking and build up or conserve higher hotplate temperatures for when cooking is required A damper is fitted to the f...

Page 21: ...liance whilst the fire door is open then a fireguard manufactured in accordance with BS 6539 should be utilised Also warn children not to sit or stand on the appliance or use it as a stool or step to...

Page 22: ...nger of fire do not store items on the cooking surfaces BEFORE USING YOUR COOKER Ensure that any plastic film used to protect surfaces has been removed from the bolster lids and from the inside of ove...

Page 23: ...ig 11 Inner fire door air controls Reload the fire with small logs or smokeless solid fuel You may experience smoke back out of the firebox when reloading as the chimney may still be in the process of...

Page 24: ...rm up Once hot the hotplate will retain temperature for long periods even as the fire burns down Please refer to the table for comparable temperature guides in degrees Centigrade Machined base pans ar...

Page 25: ...e fuel by use of the primary and secondary air controls and regulate to the desired temperature Opening the flue damper will allow heat to pass directly to the chimney via the left side of the hotplat...

Page 26: ...eight 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 ou...

Page 27: ...nown as green wood Greenwood will generally burn poorly and inefficiently because it can have over 50 water in its cells It may be hard to light smoulder not put out any heat and cause more than the u...

Page 28: ...you can do to help is store your wood properly Store if off the ground by building the pile on some longer logs or whatever method you can devise A shed or shelter with an open side makes an ideal sto...

Page 29: ...hen it is still cold you get an effect similar to the condensation of hot breath on a cold window or mirror So when the by products of combustion smoke in the form of gases exit the cooker and flow up...

Page 30: ...the effort Only empty excess ash periodically and always leave a bed of ash on which to light the next fire OPERATING TIPS By taking time to get to know your cooker following our maintenance guideline...

Page 31: ...good hardwood may be double of that of a square foot of softwood This means that the same volume of hardwood will provide you with more fuel to burn than an equal amount of softwood simply because it...

Page 32: ...ed When you buy wood it will usually have been cut in the winter of the year you buy it Hard woods tend to take longer than softwoods to fully dry out Softwoods cut in the previous winter should with...

Page 33: ...for an otherwise perfectly installed cooker as can be seen in figure17 Cooker A has been used regularly for over a year following these maintenance guidelines and with a clean flue drawing correctly...

Page 34: ...ig 18 Good draft and poor draft examples Good draft clean flue efficient wood burning clear flue ways minimal soot and no tar deposits Poor draft dirty flue inefficient wood burning blocked flue ways...

Page 35: ...t to know your cooker and inspect it at regular intervals for the first 6 months We recommend that a flue brush of the type shown below Fig 18B is used to clean the flue ways Its flexible wire handle...

Page 36: ...Page 36 990 WNWD I03 020317 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 37: ...om 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 Dislo...

Page 38: ...flue brush The soot will fall into the tray between the ovens Fig 21 Right side flueway Fig 22 There are two methods to clean the right side flueway The first is to insert the brush at a shallow angl...

Page 39: ...ill give you access to the right side flue way which you can then use the flue brush to clean the flueway Again soot will fall into the trap between the ovens If the shelf runner is reluctant to lift...

Page 40: ...ipped with an inspection hatch either in the blanking plate above the cooker next to the flue pipe Fig 25 or in the flue pipe itself These hatches are designed to allow periodic access to the flue for...

Page 41: ...raid to use a wire brush on the cast iron hotplate and inside the ovens Splashes and spills on the vitreous enamel should be wiped away as soon as possible using a damp soft cloth Micro fibre cloths a...

Page 42: ...ls are powder coated painted and nothing abrasive should be used on them Use a soap filled pad instead If the cooker is finished in the Matte Black painted finish additional care must be taken not to...

Page 43: ...any sharp edges if the glass has broken 3 The glass can now be removed It may require a tap of the hand to get it off the seal 4 If replacing the seal the rope seal can now be removed and the rope gr...

Page 44: ...T T 25x1800 Bolster Rope ROPE CUT WHT 8x1800 C Catalysers 990 CAT 2 5 x 7 5 x 2 16 NOTCH BI CAT 2 1 PER UNIT Vermiculite Bricks Base Front Side Bricks Base Brick 990 009B Front Brick 990 009C Side Bri...

Page 45: ...oes not cover Installation Wear and tear Parts deemed to be replaceable or service parts including electrical components that may be replaced during the normal usage of the appliance Enamel damage cau...

Page 46: ...ween the vitreous enamel surface and the cast iron Ground coat is porous and if exposed e g after a chip in the vitreous enamel coat may allow damp to penetrate behind the vitreous enamel and spread t...

Page 47: ...Page 47 990 WNWD I03 020317...

Page 48: ...Page 48 990 WNWD I03 020317 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...

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