250 with Smoke Control Installation & User Instructions
15
2. Essential Information
GENERAL
Model:
Dovre 250
Dovre 250 Smoke Control
Version - fitted with Smoke
Control Air Slider (Part No.
DV250SCKIT)
Dovre 250
Nominal Heat Output
Wood kW 4.9
Solid Fuel kW 4.9
Efficiency
Wood % 78
Solid Fuel % 78
CO @ 13% O
2
Wood % 0.11
Solid Fuel % 0.07
Weight Kg 80
Recommended Fuels Wood
Seasoned Wood (less than 20% moisture content)
Solid Fuel
Briquette smokeless fuel suitable for closed appliances
(Ancit-Phuracite-Taybrite-Homefire Ovals)
As tested to the requirements of EN 13240 for intermittent operation
Flue/Chimney Size
‡
May be reduced to 128mm (5") if
burning approved smokeless fuels or
burning wood in an appliance approved
for use in a DEFRA smoke control area
Without flue liner Round (Diameter)
mm
‡
153
inch
‡
6
Without flue liner system (Square)
mm 135
inch
5½
FLUES
With Liner of Factory made system (diameter)
installed in accordance with manufacturers
instructions
mm
‡
153
inch
‡
6
Flue/Chimney
minimum height**
All products
**must be 4.5m from the hearth to the top of the
flue, with no horizontal sections and a maximum
of 4 bends. Bends must have angles of less
than 45 degrees from the vertical.
m 4.5
feet 15
Flue Draught
Min
mm Wg
1.0
Nominal 1.25
Max 2.0
Flue Gas Mass Flow
Wood g/s 5.2
Solid Fuel g/s 5.1
Flue Gas Temperature at Spigot/
Socket
Wood
o
C 310
Solid Fuel
o
C 310
Flue Outlet Size
(Top or Rear Option)
All
mm 128
inch 5
European Min Spec for Chimney Flue - T400 N2 D 3 G50
VENTILATION
A) Traditionally Built Homes
•Whereleakageisgreaterthan5m
3
/hour/m
2
.
•Ventilationnormallyrequired=550mm
2
per kW output over 5kW
B) Modern Construction Homes
•Whereleakageislessthan5m
3
/hour/m
2
.
•Ventilationnormallyrequired=550mm
2
per kW
A Additional Ventilation
mm2 None
cm2 None
in2 None
B Additional Ventilation
mm2 2695
cm2 26.9
in2 4.3
For full technical details on ventilation see Technical Appendix on Page 28