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MCA 35
600
500
∆T = 20K
400
300
30 kW
200
25 kW
20 kW
100
0
0
500
1000
835
1043 1252 1465
3.4
Technical specifications
Boiler type
General
Flow rate setting
Nominal output (Pn)
Heating System (80/60 °C)
Nominal output (Pn)
Heating System (50/30 °C)
Nominal input (Qn)
Heating System (Hi)
Nominal input(Qn)
Heating 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 (n =1)
Mass flue gas flow rate
Flue gas temperature
Maximum counter pressure
Characteristics of the heating circuit
Water content
Water operating pressure
Water operating pressure (PMS)
Water temperature
Operating temperature
(1) Front panel removed
15/06/12 - 300022160-001-01
35 kW
1500
2000
2500
Q [l/h]
T001749-B
3.3.3.
Water flow rate
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.
Pressure drop
Δp
Water flow (max = 2460 l/h)
Q
Adjustable
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
minimum
maximum
maximum
maximum
3. Technical description
MCA 35
Modulating, Start/Stop, 0 - 10 V
6,3 - 33,7
kW
33,7
7,0 - 35,6
kW
35,6
6,5 - 34,8
kW
34,8
7,2 - 38,7
kW
38,7
%
96,9
%
102,2
%
96,3
%
108,2
3
0,69 - 3,71
/h
3
0,80 - 4,32
/h
0,27 - 1,44
3
/h
42
mg/kWh
11,1 - 57,3
30 - 75
Pa
140
l
2,3
kPa (bar) 80 (0,8)
kPa (bar) 300 (3,0)
°C
110
°C
90
13
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