DeDietrich C 340 280, Installation And User Manual

Page: 181 / 220

C 340 280 350 430 500 570 650
Combination heater No No No No No No
Rated heat output Prated kW 261 327 395 461 530 601
Useful heat output at nominal heat output
and high temperature operation
(2)
P
4
kW 260.7 326.7 394.8 461.0 530.4 600.9
Useful heat output at 30% of rated heat out­
put and low temperature regime
(1)
P
1
kW 87.1 108.9 131.2 152.8 175.1 197.8
Seasonal space heating energy efficiency ƞ
s
% - - - - - -
Useful efficiency at rated heat output and
high temperature regime
(2)
ƞ
4
% 88.3 88.4 88.5 88.6 88.7 88.7
Useful efficiency at 30% of rated heat output
and low temperature regime
(1)
ƞ
1
% 98.4 98.2 98.0 97.8 97.6 97.4
Auxiliary electricity consumption
Full load
elmax
kW 0.280 0.345 0.450 0.576 0.768 0.720
Part load elmin kW 0.060 0.062 0.076 0.086 0.089 0.080
Standby mode
P
SB
kW 0.010 0.009 0.010 0.010 0.010 0.010
Other items
Standby heat loss P
stby
kW 0.571 0.591 0.611 0.630 0.650 0.670
Ignition burner power consumption
P
ign
kW - - - - - -
Annual energy consumption
Q
HE
kWh
GJ
- - - - - -
Sound power level, indoors
L
WA
dB 78 78 81 81 81 81
Emissions of nitrogen oxides NO
X
mg/kWh 43 43 44 45 46 47
(1) Low temperature means 30 °C for condensing boilers, 37 °C for low temperature boilers and 50 °C (at heater inlet) for other heating
appliances.
(2) High temperature operation means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
See
Refer to the back cover for contact details.
13.5 C 640 technical data
Tab.141 General
C 640 560 700 860 1000 1140 1300
Number of sections 2x5 2x6 2x7 2x8 2x9 2x10
Nominal output
P
n
80/60 °C kW min
max
(1)
75.8
521.4
86.7
656.3
122.6
789.5
122.3
922.1
148.1
1080.6
165.4
1201.7
Nominal output P
nc
70/50 °C kW
max
(1)
524.0 656.3 792.7 924.9 1064.0 1204.1
Nominal output
P
nc
50/30 °C kW max
(1)
557.5 700.6 849.0 994.3 1147.0 1303.0
Nominal input
Q
nh
(
H
i
) kW min
max
(1)
80
532
91
666
128
804
127
938
153
1078
170
1220
Nominal input Q
nh
( H
s
) kW min
max
(1)
88.9
591.1
101.1
740.0
142.2
893.3
141.1
1042.2
170.0
1197.8
188.9
1355.6
Full load central heating ef­
ficiency
P
n
(
H
i
) 80/60 °C % 98.0 98.1 98.2 98.3 98.4 98.5
Full load central heating ef­
ficiency
P
n
(
H
i
) 70/50 °C % 98.5 98.5 98.6 98.6 98.7 98.7
Full load central heating ef­
ficiency
H
i
50/30 °C % 104.8 105.2 105.6 106.0 106.4 106.8
Min load central heating ef­
ficiency
H
i
Return temper­
ature 60 °C
% 94.7 95.3 95.8 96.3 96.8 97.3
Part load central heating ef­
ficiency
P
n
( H
i
) Return
temperature
30 °C
% 109.2 109.0 108.8 108.6 108.3 108.1
13 Technical specifications
7762666 - v.02 - 29092020 C 340 / C 640 181