DeDietrich MODULENS O AFC 18, Инструкция по установке и обслуживанию, Страница: 15 / 180

Boiler AFC 18 AFC 24 AFC 30
Minimum
power Full
power Minimum
power Full
power Minimum
power Full
power
LHV efficiency 100 % Nominal
output (Pn) at
80/60°C
% 96.3 97.2 96.4 97.1 95.9 97.4
Flue gas
temperature
°C <60 <70 <60 <70 <65 <75
100 % Nominal
output (Pn) at
50/30°C
% 101.5 102.1 101.4 102 101.1 101.6
Flue gas
temperature
°C <40 <45 <40 <45 <45 <50
100 % Nominal
output (Pn) at
40/30°C
% 102.9 103.5 102.6 103.2 102.5 103
Flue gas
temperature
°C <40 <45 <40 <45 <45 <50
Annual efficiency
Hi
at 75/60°C % 101.1 100.9 100.7
at 40/30°C % 105.3 105.1 104.6
Pressure available at the flue gas
nozzle (Pn)
mbar
(1)
0.14 0.22 0.33
Pa 14 22 33
CO
2
content (Minimum output - Start-
up output - Maximum output
% 12 - 13 - 13 12 - 13 - 13 12 - 13 - 13
Nominal water
flow rate at Pn
(50/30 °C)
ΔT = 20K
m
3
/h
0.773 1.032 1.291
Stand-by losses ΔT = 30K W 109 109 128
Percentage of
losses through
the walls
compared with
the stand-by
losses
ΔT = 30K % 61 61 63
Loss of load
hydraulic circuit
(Pn)
ΔT = 10K
mbar
(2)
66.0 117.0 183.0
ΔT = 15K
mbar
(2) 29.0 52.0 81.0
ΔT = 20K
mbar
(2)
16.0 29.0 46.0
Electrical power of the boiler
only
with
no accessories
W 128 272 128 272 128 272
Water content litres 47 47 58
Mass flue gas flow rate (Nominal
output Pn 50/30 °C)
kg per
sec
0.0075 0.01 0.0125
Kg/h 27 36 45
Net weight (without packaging) kg 117 117 135
(1) These values are pertinent for flexible flue gas evacuation systems with a diameter of 80 mm (rigid ducts). The length of rigid flue gas
evacuation systems is restricted to 18 metres for technical reasons relating to start-up.
(2) 1 mbar = 10 mmWG = 100 Pa
AFC 18 - AFC 24 - AFC 30 3. Technical specifications
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