C 640 Technical Data - DeDietrich C 340 Series Installation And User Manual

C 340
Combination heater
Rated heat output
Useful heat output at nominal heat output
and high temperature operation
Useful heat output at 30% of rated heat out­
put and low temperature regime
Seasonal space heating energy efficiency
Useful efficiency at rated heat output and
high temperature regime
Useful efficiency at 30% of rated heat output
and low temperature regime
Auxiliary electricity consumption
Full load
Part load
Standby mode
Other items
Standby heat loss
Ignition burner power consumption
Annual energy consumption
Sound power level, indoors
Emissions of nitrogen oxides
(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.
13.5

C 640 technical data

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