ULTD_WHE_2S3S_01
9
4
Technical specifications
Table 1
Model
ULTIME D MF 1050-50 WHE 2SL
ULTIME D MF 1050-50 WHE 2SR
ULTIME D MF 1050-50 WHE 3S
Fuel
Logs (beech)
Nominal heat output
(kW) 17
Efficiency
(%) 82
Wood consumption rate/hour (max. 15%
humidity)
(Kg)
3.50
Max. wood consumption limit/hour
Max. 3 pieces measuring 33 cm in length
Max. flue gas temperature with a closed door (°C) 250
Max. flue gas temperature with an open door (°C) 290
CO at 13% O2
(%) 0.087
Dust content at 13% O
2
(mg/Nm³) 27
NO
x
emissions at 13% O
2
(mg/Nm³) 52
Mass flow rate of flue gasses
(g/s) 12.39
Min. chimney draught
(Pa) 12
*Min. insulation thickness top
(cm) 2.50
*Min. insulation thickness rear
(cm) 2.50
*Min. insulation thickness sides
(cm) 2.50
*Min. insulation thickness front
(cm) 2.50
*Min. insulation thickness bottom
(cm) Only non-flammable material
Distance from insulation to fireplace
(cm) 1.30
Chimney connection
(mm) Ø250
Combustion air connector
(mm) 2 x Ø150 (2 x ±180cm²)
Convection connector inlet
(mm) 4 x Ø150 (4 x ±180cm²)
Convection connector outlet
(mm) 4 x Ø150 (4 x ±180cm²)
Weight including interior
(kg) 320
*Insulation panels: SILCA T300
Thermal Conductivity:
(W/mK)
200°C 0.09
400°C 0.10
500°C 0.13
800°C 0.19
(Values are only valid with 4 convection openings
at the top of the appliance)