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Boiler
Hi annual effi
at 75/60 °C
ciency
at 40/30 °C
Pressure available at the flue
gas nozzle (Pn)
CO
content (Minimum output
2
– Start-up output – Maximum
output)
Nominal water
ΔT = 20K
flow rate at Pn
(50/30°C)
Stand-by losses
ΔT = 30 K
Percentage of
ΔT = 30 K
losses through
the casing com
pared with the
stand-by losses
Hydraulic circuit
ΔT = 10K
pressure drop
(Pn)
Hydraulic circuit
ΔT = 15K
pressure drop
(Pn)
Hydraulic circuit
ΔT = 20K
pressure drop
(Pn)
Electrical output of the boiler
only with no accessories
Water content
Flue gas mass flow rate (Nom
inal output Pn 50/30 °C)
Net weight (without packaging) kg
(1) These values apply to 80 mm flexible flue gas discharge systems (rigid pipes). For Germany: These pipes are rigid. The length of rigid
flue gas discharge systems is limited to 18 metres for technical reasons relating to start-up.
(2) 1 mbar = 10 mm CE = 100 Pa
300026440 - v06 - 07082018
Unit
AFC 18
Minimum
output
%
101.1
%
105.3
0.14
mbar
(1)
Pa
14
%
12 - 13 - 13 12 - 13 - 13 12 - 13 - 13 12 - 13 - 13 12 - 13 - 13 12 - 13 - 13
0.773
3
m
/h
W
109
%
61
66.0
mbar
(2)
29.0
mbar
(2)
mbar
16.0
(2)
W
128
litres
47
kg per sec
0.0075
kg/h
27
117
AFC 24
Full output
Minimum
output
101.1
100.9
105.3
105.1
0.14
0.22
14
22
0.773
1.032
109
109
61
61
66.0
117.0
29.0
52.0
16.0
29.0
272
128
47
47
0.0075
0.01
27
36
117
117
3 Technical specifications
AFC 30
Full output
Minimum
output
100.9
100.7
105.1
104.6
0.22
0.33
22
33
1.032
1.291
109
128
61
63
117.0
183.0
52.0
81.0
29.0
46.0
272
128
47
58
0.01
0.0125
36
45
117
135
AFC
Full output
100.7
104.6
0.33
33
1.291
128
63
183.0
81.0
46.0
272
58
0.0125
45
135
11
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