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C 640
560
700
860
1000
1140
1300
Water flow at full load cen
tral heating
70/50 °C
m
3
/h
max
22.6
28.3
34.1
39.8
45.8
51.9
Water flow at full load cen
tral heating
50/30 °C
m
3
/h
max
24.0
30.2
36.6
42.8
49.4
56.1
Water flow to ensure cor
rect operation
50/30 °C
m
3
/h
min
3.7
4.3
6.0
5.9
7.1
7.9
Water side pressure drop
ΔT=40K, per heat
exchanger
mbar
34
33
36
33
38
39
Water side pressure drop
ΔT=30K, per heat
exchanger
mbar
60
59
64
59
67
69
Water side pressure drop
ΔT=20K, per heat
exchanger
mbar
113
110
120
110
125
130
Water side pressure drop
ΔT=11K, per heat
exchanger
mbar
374
364
397
364
413
435
Standby loss
With heat ex
changer insula
tion kit
W
(ΔT =
928
958
986
1016
1044
1074
(1) ΔT = (boiler temperature – ambient temperature).
Tab.144 Electrical data
C 640
560
700
860
1000
1140
1300
Supply voltage
V~/Hz
230/50 230/50 230/50 230/50 230/50 230/50
Power consumption
Max input CH
W
max
560
690
900
1152
1536
1440
Power consumption
Max input CH
(
elmax
)
W
max
560
690
900
1152
1536
1440
Power consumption
Min input CH
W
min
120
124
160
166
178
148
Power consumption
Min input CH
(
elmin
)
W
min
120
124
152
172
178
160
Power consumption
standby
(
P
SB
)
W
min
20
18
20
20
20
20
IP
X1
X1
X1
X1
X1
X1
Fuse – main (power con
nector)
(AT)
10
10
10
10
10
10
Fuse – CU-GH13
(AT)
1.6
1.6
1.6
1.6
1.6
1.6
Fuse – CB-01
(AT)
6.3
6.3
6.3
6.3
6.3
6.3
(1) Without pump
(2) For a room-sealed system.
Tab.145 Other data
C 640
560
700
860
1000
1140
1300
Total weight with packaging Including control
box
kg
851
915
981
1111
1179
1249
Total weight without pack
aging
Including control
box
kg
711
775
841
961
1029
1099
Weight of the split boiler
Heat exchanger
side
kg
249
283
317
356
390
424
Average acoustic level at a
distance of 1 metre from
the boiler
LpA
dB(A)
64.2
64.2
67.8
67.8
67.8
67.8
LwA
dB(A)
81.2
81.2
84.8
85.0
85.0
85.0
Ambient temperature
°C
max
40
40
40
40
40
40
(1) For a sealed installation
(2) For a sealed installation
13 Technical specifications
7762666 - v.02 - 29092020
C 340 / C 640
183