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MCA 15 - MCA 25 MCA 25/28 MI
700
600
∆T = 20K
500
400
25 kW
300
20 kW
200
15 kW
100
10 kW
0
0
500
1000
437
623
830
1037
3.4
Technical characteristics
Boiler type
General
Flow rate setting
Nominal output (Pn)
Heating System (80/60 °C)
Nominal output (Pn)
Heating System (50/30 °C)
Nominal output (Pn)
DHW System
Nominal input (Qn)
Heating System (Hi)
Nominal input(Qn)
Heating System (Hs)
Nominal input (Qnw)
DHW System (Hi)
Nominal input (Qnw)
DHW System (Hs)
Heating efficiency under full load (Hi) (80/60 °C)
Heating efficiency under full load (Hi) (50/30 °C)
Heating efficiency under partial load (Hi) (Return
temperature 60°C)
Heating efficiency under partial load (EN 92/42)
(Return temperature 30°C)
Data on the gases and combustion gases
Gas consumption - Natural gas H (G20)
Gas consumption - Natural gas L (G25)
Gas consumption - Propane G31
NOx-Emission per year or (n =1)
Mass flue gas flow rate
Flue gas temperature
(1) Front panel removed
29/04/2010 - 300022146-001-B
3.3.3.
The boiler's modulating control system limits the maximum difference
in temperature between the heating flow and return and the maximum
speed at which the flow temperature increases. In this way, the boiler
does not require a minimum water flow rate.
Δp
Q
1500
2000
2500
Q [l/h]
T001978-A
Adjustable
minimum-maximum kW
Factory setting
minimum-maximum kW
Factory setting
minimum-maximum kW
Factory setting
minimum-maximum kW
Factory setting
minimum-maximum kW
Factory setting
minimum-maximum kW
Factory setting
minimum-maximum kW
Factory setting
-
-
-
-
minimum-maximum m
minimum-maximum m
minimum-maximum m
minimum-maximum kg/h
minimum-maximum °C
Water flow rate
Pressure drop
Water flow (max = 1680 l/h)
MCA 15
Modulating, Start/Stop, 0 - 10 V
3,0 - 14,5
kW
14,5
3,4 - 15,8
kW
15,8
-
kW
-
3,1 - 15,0
kW
15,0
3,4 - 16,7
kW
16,7
-
kW
-
-
kW
-
%
96,5
%
105,3
%
94,9
%
108,5
3
0,33 - 1,59 0,55 - 2,65 0,55 - 2,96
/h
3
0,38 - 1,85 0,64 - 3,08 0,64 - 3,45
/h
0,13 - 0,61 0,21 - 1,02 0,21 - 1,15
3
/h
mg/kWh
33
5,3 - 25,2
30 - 65
3. Technical description
MCA 25
MCA 25/28 MI
5,0 - 24,1
5,0 - 24,1
24,1
19,4
5,6 - 25,5
5,6 - 25,5
25,5
20,5
-
5,0 - 28,6
-
28,6
5,2 - 25,0
5,2 - 25,0
25,0
20,1
5,8 - 27,8
5,8 - 27,8
27,8
22,3
-
5,2 - 28,0
-
28,0
-
5,8 - 31,1
-
31,1
96,3
96,3
102,0
102,0
96,1
96,1
108,0
108,0
38
38
8,9 - 42,1
8,9 - 47,1
30 - 80
30 - 85
13
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