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ASTWOOD SPECIFICATIONS  
 
Nominal heat output …………  7 kW – WOOD   6.8 kW – SMOKELESS FUEL 
Chimney draft required ……… 12Pa 
Height …………………………… 595 mm 
Width ……………………………. 545 mm 
Depth ………………………….... 415 mm 
Weight …………………………… 80 kg 
Direct Air Intake………………… 80mm 
Air Requirement ………………..  11cm/sq 
Flue Mass Gas Flow ……………   g/s – WOOD    g/s – SMOKELESS FUEL 
Mean Flue Gas Temperature ..  °C – WOOD    °C - SMOKELESS FUEL 
Efficiency ………………………...  % 
Log Length ………………………. 400 mm 
 
***  Please  note  that  Building  Regulations  Document  J  advises  that 
additional  air  supply  is  required  for  appliances  with  an  output  of  above 
5Kw.    With  modern  properties  additional  air  may  be  required  as 
Document J suggests that adequate air would be a benefit.  If in doubt, 
please  consult  your  registered  installer  for  advice.    NOTE:    Extractor  fans 
when operating in the same room or space as the appliance may cause 
problems.  
 
Location of the unit  
 
Clearances to non-combustible materials  
 
There  must  be  a  minimum  clearance  of  150mm  at  each  side  of  the 
appliance.  A clearance of 150mm is required at the back of stove (if the 
rear  wall  has  a  thickness  of  200mm  or  more  this  measurement  can  be 
reduced to 50mm) A minimum clearance of 150mm is required above the 
appliance.  
 
Clearances to combustible materials 
 
There must be a minimum clearance of 450mm at each side and 750mm 
at  the  rear  of  the  appliance  from  any  combustible  materials.    If  using 
single  wall  flue  pipe,  there  must  be  a  clearance  of  at  least  3  times  the 
diameter of the flue pipe (e.g 125mm diameter pipe = 375mm minimum 
clearance) from any combustible materials e.g wooden beam.   
 
Curtains  and  soft  furnishings  should  be  a  minimum  of  1m  away  from  the 
appliance.  
 
Adequate space should be provided for servicing the appliance.  
 

Summary of Contents for Astwood AW1MF

Page 1: ...TECHNICAL MANUAL The Astwood Multifuel Stove Model AW1MF To be retained by the user for future reference Serial Number Document AW1MF 0101 Thank you for purchasing an ACR Heat Products stove ...

Page 2: ...becoming damaged or unsafe which in turn could lead to personal injury or damage to the property and will void the warranty The appliance must not be modified in anyway unless authorized by ACR Heat Products Ltd The appliance should be inspected regularly to ensure the airways are clean and free from obstruction and the chimney swept at least once a year The external surfaces of this appliance wil...

Page 3: ...room or space as the appliance may cause problems Location of the unit Clearances to non combustible materials There must be a minimum clearance of 150mm at each side of the appliance A clearance of 150mm is required at the back of stove if the rear wall has a thickness of 200mm or more this measurement can be reduced to 50mm A minimum clearance of 150mm is required above the appliance Clearances ...

Page 4: ...nd 150mm either side of the appliance The appliance shall be installed on a floor with an adequate load bearing capacity If an existing construction doesn t meet with prerequisite suitable measures e g load distributing plate shall be taken to achieve it Flue Requirements The chimney must comply with current Building Regulations Provision must be made to provide access for cleaning the appliance t...

Page 5: ...ce has not been operated for long periods the flue should be inspected and swept before use to ensure there are no blockages within the flue The grate should be cleaned regularly and the ashpan emptied daily NEVER ALLOW THE ASH IN THE ASHPAN TO OVERFILL ALLOWING ASH TO BE IN CONTACT WITH THE UNDERSIDE OF THE GRATE This will overheat the grate and cause premature wear and distortion The internal ve...

Page 6: ... fuel allowed to burn out In the event of a chimney fire once the air slides have been closed completely dial 999 for assistance If the appliance has overheated the appliance will need to be inspected for any damage before it can be operated again Recommended Fuels Wood hardwood such as ash oak and beech which have been cut for at least 2 years and stored under shelter The logs should have a maxim...

Page 7: ...ewspapers on the grate and add a small amount of kindling wood to the top Place a small quantity of smokeless fuel on top Light the newspaper or firelighters using a long taper and push the door to When the fire is burning fiercely after a couple of minutes add more smokeless fuel and close the door When the fire has become established close the top air down The burning rate can be altered by movi...

Page 8: ...nce has been designed to be burned with the door closed at all times other than when refueling It should not be operated as an open fire Typical refueling intervals for wood is 1 hour and smokeless fuel is 2 hours Daily Maintenance The ashpan should be checked and emptied regularly You should never allow the ashes in the pan to build up to the level of the grate If they are allowed to build up the...

Page 9: ... logs Not enough primary air Open air control Insufficient draft Check the flue is not Obstructed Fire burns too Too much draft Reduce the air control Quickly Excessive draft Install a draft stabiliser Smokes on initial Flue is cold Burn paper and kindling Lighting to increase heat in flue Smokes while Insufficient draught Check the flue is not Burning obstructed Low heat output Poor quality wood ...

Page 10: ...ss as this will prohibit its expansion and could cause the glass to crack Ensure that all internal components are fitted correctly these may have shifted in transit Ensure that the appliance operates correctly during the first firing Ensure the customer is aware that fumes may be given off during the first firings as the paint cures Advise the customer on the safe operation of the appliance Leave ...

Page 11: ...ent installer or inspected by local authority Building Control The appliance must be installed and operated in accordance with our instruction manual The guarantee is for a period of 5 years on the appliance body from the date of purchase The following components are considered as consumable components and are excluded from the guarantee Grates Rope seals Ashpan Internal vermiculite panels Glass B...

Page 12: ...umber Date of purchase Date of installation Installer s Name and address Installer s Registration Number Building Control Certificate Number if not installed by a registered competent installer Dealer Name and address Unit One Weston Works Weston Lane Tyseley Birmingham B11 3RP UK Tel 0121 706 8266 Fax 0121 706 9182 ...

Page 13: ...Email enquiries acrheatproducts co uk ...

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