Electrical And Functional Scheme - Ferroli F24 Installation, Servicing And User Instructions Manual
Gas combination boiler for central heating and hot water production, wall mounted, copper heat exchanger, fan assisted, room sealed, electronic flame ignition and control installation, service and user instructions
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Ferroli F24
9. ELECTRICAL AND FUNCTIONAL SCHEME
9.01 Main components layout on electronic boards
Potentiometer adjustment
P1 = Central heating flow temperature adjustment
P2 = Domestic hot water temperature adjustment
P3 = Central heating flow output adjustment
P4 = Ignition gas pressure adjustment
P5 = Minimum gas pressure adjustment
FAN
PC
PNO
L
X6
10
9
8
X8
X7
JP01 ON = Delay between shutdown and re-ignition disabled
JP01 OFF = Delay between shutdown and re-ignition enabled
JP02:
Jumper on for natural gas
Jumper on for LPG
JP03 ON = Max temperature D.H.W. 62°C
JP03 OFF= Max temperature D.H.W. 55°C (standard)
N
HL
HL
MV1 MV2 MV3 MV4
7
6
5
4
3
2
1
MF03F
X1
X2
X3
N
L
2
1
2
1
3
1
+
-
P5
+
-
P4
RY101
X12
9
RY100
X4
13
12
11
10
9
8
7
P1
-
+
CH
X11
2
1
8
7
6
5
4
3
2
1
L3
X10
L2
L1
L4
Nat/LPG
JP02
Transformer
JP01
temp.
Temp.
10 °C
sensor
25 °C
NTC
60 °C
(34) (42)
80 °C
5
4
6
3
2
1
JP03
P2
-
+
DHW
+
-
P3
L5
Fig. 41
Ohm
20
kOhm
10
kOhm
2,5
kOhm
1,25 kOhm
43
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