Boiler type
MCA 15
MCA 25
MCA 25/28 MI
Maximum counter pressure
Pa
80
120
130
Characteristics of the heating circuit
Water content
l
1,7
1,7
1,7
Water operating pressure
minimum
kPa (bar) 80 (0,8)
80 (0,8)
80 (0,8)
Water operating pressure (PMS)
maximum
kPa (bar) 300 (3,0)
300 (3,0)
300 (3,0)
Water temperature
maximum
°C
110
110
110
Operating temperature
maximum
°C
90
90
90
Manometric height central heating circuit (∆T = 20K)
mbar
545
295
295
Characteristics of the domestic hot water circuit
Specific hot water flow D (60 °C)
l/min
-
-
8,2
Specific hot water flow D (40 °C)
l/min
-
-
13,7
Domestic water resistance
mbar
-
-
490
Flow rate threshold
minimum
l/min
-
-
1,2
Water content
l
-
-
0,33
Operating pressure (Pmw)
maximum
kPa (bar) -
-
800 (8,0)
Electrical characteristics
Power supply voltage
VAC
230
230
230
Power consumption - Full load
maximum
W
101
116
124
Factory setting
W
63
76
76
Power consumption - Part load
maximum
W
25
25
25
Power consumption - Standby
maximum
W
4
4
4
Electrical protection index
IPX4D
IPX4D
IPX4D
Other characteristics
Weight (empty)
Total
kg
43
43
44
Mounting
(1)
kg
36
36
37
Acoustic level at 1 meter at high speed
dBA
35
42
44
(1) Front panel removed
3.4.1.
Sensor characteristics
Outside sensor
Outlet sensor circuit B+C
Domestic hot water sensor
Boiler sensor
Return sensor
-20 °C 2392
¨
0 °C
32014
¨
-20 °C 98932
¨
-16 °C 2088
¨
10 °C
19691
¨
-10 °C 58879
¨
-12 °C 1811
¨
20 °C
12474
¨
0 °C
36129
¨
-8 °C
1562
¨
25 °C
10000
¨
10 °C
22804
¨
-4 °C
1342
¨
30 °C
8080
¨
20 °C
14773
¨
0 °C
1149
¨
40 °C
5372
¨
25 °C
12000
¨
4 °C
984
¨
50 °C
3661
¨
30 °C
9804
¨
8 °C
842
¨
60 °C
2535
¨
40 °C
6652
¨
12 °C 720
¨
70 °C
1794
¨
50 °C
4607
¨
16 °C 616
¨
80 °C
1290
¨
60 °C
3252
¨
20 °C 528
¨
90 °C
941
¨
70 °C
2337
¨
24 °C 454
¨
80 °C
1707
¨
3. Technical description
MCA 15 - MCA 25 MCA 25/28 MI
14
29/04/2010 - 300022146-001-B
