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Plan 5
Electrical diagram for the wall hung gas boiler
C15SPV24MEFM
27
LIVE
NEUTRAL
PUMP
3 - WAY VALVE
N.C.
N.O.
1
J5
J1
56
EARTH
EARTH
ROOM
THERMOSTAT
LOCAL USER MANUAL
INTERFACE
55
54
J7
J13
J14
J2
J17
J16
J4
J9
J3
J18
TR 2
EARTH
FLAME
ELECTRODE
FAN
JP
1
CH PROBE
DHW PROBE
EXT
. PROBE
FLOWMETER
RRESSURE
TRANSDUCER
MODULA
T
OR COIL
CRONO TERMOSTAT
OPEN-THERM
961 INTERFACE
APS
GND
VCC
GAS VALVE
HALL SENSOR
SAFETY THERMOSTAT
INPUT
INPUT
0 Vdc
0 Vdc
+5 Vdc
+5 Vdc
52 51 50 49 48 47 46 45 44
43 42 41 40 39 38 37 36 35 34
33
32
31
30
29
28
27
26
25
22
21
20
19
15
14
TO J3
(TO J9 IF MONOELECTRODE)
13
12
2
1
J20
F1
J1
1
U3
2
3
4
5
6
7
8
9
10
11