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23
Heat exchanger (Heating circuit)
24
Calorifier tank
25
Ignition/ionization electrode
26
Expansion vessel (Heating circuit)
27
Air intake
3.3
Operating principle
3.3.1.
Skeleton Diagrams
1
Heat exchanger (Heating circuit)
2
Hydroblocks
3
Plate heat exchanger (DHW circuit)
4
Heating flow
5
Domestic hot water outlet
6
Domestic cold water inlet
7
Heating return
8
Shunt pump (DHW circuit)
9
Expansion vessel (DHW circuit)
10
3-way valve
11
Shunt pump (Heating circuit)
12
Calorifier tank
13
Expansion vessel (Heating circuit)
3.3.2.
Shunt pump
The boiler is equipped with a circulating pump. This energy-efficient,
modulating circulating pump is controlled by the control unit based on
ΔT. The graph shows the manometric height at various outputs.
H
Manometric height central heating circuit
Q
Water flow
The parameters
MIN.PUMP SPEED
and
MAX.PUMP SPEED
are
used to modify the pump settings. If flow noise can be heard in the
system, it is possible to reduce the maximum pump speed with the
parameter
MAX.PUMP SPEED
(First of all, vent the heating
system). If circulation in the radiators is too low or the radiators do not
fully heat up, increase the minimum pump speed with the parameter
MIN.PUMP SPEED
.
T001960-A
1
2
3
11
10
12
13
8
9
4
5
6
7
T002537-B
0
200
400
600
800
1000
1200
Q (l/h)
10 kW
15 kW
20 kW
25 kW
615
545
435
295
437
623
830
1037
0
100
200
300
400
500
700
H
(
mbar
)
600
3. Technical description
MCA 25/28 BIC
12
15/06/12 - 300022159-001-01
Содержание Innovens MCA 25/28 BIC
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