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C 340
280
350
430
500
570
650
Water flow at full load cen
tral heating
50/30 °C
m
3
/h
max
12.0
15.1
18.3
21.4
24.7
28.1
Water flow to ensure cor
rect operation
50/30 °C
m
3
/h
min
2.5
3.2
3.8
4.4
5.1
5.7
Water side pressure drop
ΔT=40K
mbar
34
33
36
33
38
39
Water side pressure drop
ΔT=30K
mbar
60
59
64
59
67
69
Water side pressure drop
ΔT=20K
mbar
113
110
120
110
125
130
Water side pressure drop
ΔT=11K
mbar
374
364
397
364
413
435
Standby loss
With heat ex
changer insula
tion kit
W
%
(ΔT =
464
479
493
508
522
537
(1) ΔT = (boiler temperature – ambient temperature).
Tab.138 Electrical data
C 340
280
350
430
500
570
650
Supply voltage
V~/Hz
230/50 230/50 230/50 230/50 230/50 230/50
Power consumption
Max input CH
W
max
280
345
450
576
768
720
Power consumption
Max input CH
(
elmax
)
W
max
280
345
450
576
768
720
Power consumption
Min input CH
W
min
52
57
64
72
68
60
Power consumption
Min input CH
(
elmin
)
W
min
60
62
76
86
89
80
Power consumption
standby
(
P
SB
)
W
min
10
9
10
10
10
10
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.139 Other data
C 340
280
350
430
500
570
650
Total weight with packaging Including control
box
kg
436
470
505
572
608
645
Total weight without pack
aging
Including control
box
kg
366
400
435
497
533
570
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)
61.2
61.2
64.8
64.8
64.8
64.8
LwA
dB(A)
77.6
77.6
81.2
81.4
81.4
81.4
Ambient temperature
°C
max
40
40
40
40
40
40
(1) For a sealed installation
(2) For a sealed installation
Tab.140 Technical parameters
C 340
280
350
430
500
570
650
Condensing boiler
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
B1 boiler
No
No
No
No
No
No
Cogeneration space heater
No
No
No
No
No
No
13 Technical specifications
180
C 340 / C 640
7762666 - v.02 - 29092020