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Parkray DERWENT - Technical Specification

Parkray DERWENT
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4
Technical Specification
GENERAL
DERWENT
CONSORT 4
CONSORT 5
COPMACT
CONSORT 5
Energy Efficiency Class
A
A
A
A
Nominal Heat Output
Wood
4.8kW
4.7kW
4.7kW
4.0kW
Smokeless
Fuel
NA
3.0kW
NA
NA
Energy Efficiency
102
97
101
104
Efficiency
Wood
76.8%
72.8%
76.0%
78.0%
Efficiency
Smokeless
Fuel
NA
66.7%
NA
NA
Mean CO (@13% O₂)
Wood
0.43%
0.27%
0.30%
0.44%
Mean CO (@13% O₂)
Smokeless
Fuel
NA
0.54%
NA
NA
Appliance Mass
62kg
64kg
95kg
88kg
Recommended Fuels
Wood
Seasoned Wood (less than 20% moisture content)
Smokeless
Fuel
Anthracite or a manufactured briquette smokeless fuel which is
suitable for closed door appliances.
Log Length
258mm
280mm
330mm
280mm
FLUES
Mean Flue Gas Temperature
Wood
271°C
270°C
269˚C
246˚C
Mean Flue Gas Temperature
Smokeless
Fuel
NA
332˚C
NA
NA
Flue Gas Mass Flow
Wood
4.3 g/s
5.7 g/s
4.7 g/s
3.8 g/s
Flue Gas Mass Flow
Smokeless
Fuel
NA
7.9 g/s
NA
NA
Flue Outlet Size (Top or Rear Option)
125mm
125mm
125mm
125mm
VENTILATION
- Where leakage is greater than
5m³/hour/m²
- Ventilation normally required =
550mm² per kW output over 5kW
NONE
NONE
NONE
NONE
- Where leakage is less than or equal to
5m³/hour/m²
- Ventilation normally required =
550mm² per kW output
2640mm²
2255mm²
2585mm²
2200mm²
For further information on ventilation please refer to Building Regulations Document J or your installer.
This stove has been designed and assembled so that it may be used to burn wood logs in a Smoke Control Area.
Find out if you are in a Smoke Control Area by contacting your Local Authority.
The Derwent, Consort 4, Consort 5 and Compact 5 and Consort 5 Slimline have been fitted with a permanent stop
that prevents closure of the secondary air slider. Removal of this will lead to the appliance potentially causing smoke
emissions. Without the permanent stop in place the appliance is not an exempt appliance and so may leave the
householder liable for a fine up to £1000.

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