DeDietrich NeOvo EcoNox EFU 22 User Manual page 11

Tab.5 Hydraulic specifications
Water content (excluding expansion vessel)
Minimum operating pressure
Maximum operating pressure
Maximum water temperature
Pressure loss of hydraulic circuit at Δt = 10K
Pressure loss of hydraulic circuit at Δt = 15K
Pressure loss of hydraulic circuit at Δt = 20K
Tab.6 Data on the combustion gases
NOx emission according to EN267
Flue gas mass flow rate Pn 40/30°C
Flue gas circuit volume
Flue gas temperature Pn 80/60°C
Required depressurisation at the nozzle
Number of cast iron parts
Number of baffle plates
Tab.7 Electrical characteristics
Power supply voltage
Electrical protection rating
Maximum absorbed power - Elmax
Minimum absorbed power - Elmin
Absorbed power - Stand-by - Psb
Tab.8 Other characteristics
Maximum operating temperature
Settings range for the heating water temperature
Settings range for the domestic hot water temperature
Safety thermostat
Weight empty
Tab.9 Burner specifications
Burner type
Fuel flow rate
7615193 - v01 - 09072015
3 Technical specifications
Unit EFU 22
litre 24.5
MPa (bar) 0.05 (0.5)
MPa (bar) 0.3 (3)
°C 90
mbar 19
mbar 9
mbar 5
Unit EFU 22
mg/kWh Class 3
kg/h 36
litre 41
°C <160
Pa 5
Part 4
Part 2
Unit EFU 22
VAC 230
IP 21
W 143
W 50
W 4
Unit EFU 22
°C 90
°C 30 - 90
°C 40 - 65
°C 110
kg 166
Unit EFU 22
RDB 2.2
kg/h 2.02
EFU 29
30
0.05 (0.5)
0.3 (3)
90
34
15
9
EFU 29
Class 3
48
51
<160
5
5
2
EFU 29
230
21
144
50
4
EFU 29
90
30 - 90
40 - 65
110
191
EFU 29
RDB 2.2
2.69
EFU 11