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R2KA 34 /20 - RAD - ING - Manuale - 1709.1_EN15502
2 S
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2
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2. MAINTENANCE
SUPPOR
T
C
ENTRE
2.2.12. WIRING DIAGRAM
ER: DETECTION ELECTRODE
TS: SAFETY THERMOSTAT
MP: PANEL TERMINAL
CE: BLUE
EA: START-UP ELECTRODE
PACQ:WATER PRESSURE SWITCH
SE: EXTERNAL PROBE
MA: BROWN
PM: MODULATING PUMP
MF: MICRO-FLOW SWITCH
TA: ENVIRONMENT THERMOSTAT
AR: ORANGE
VG: GAS VALVE
SR: HEATING PROBE
L: LINE
GI: YELLOW
TRA:START-UP TRANSFORMER
SS: DOMESTIC CIRCUIT PROBE
N: NEUTRAL
BI: WHITE
TF: FUMES THERMOFUSE (102°C)
EV: ELECTRIC FAN
NE: BLACK
GR. GREY
VD: DIVERTER VALVE
SRI: RETURN SENSOR
ma
ce
ma
ce
ma
gi
bi
gr
EV
ce
ma
ce
ma
EA
VG
Tra
ce
ma
ER
TS
TF
SR
ar ar
ce ma ma ce
ne ne
220 V
50 Hz
MP
Pacq
11
10
9
8
7
12
13
14
15
16
17
M12
M9
M7
M5
M2
M4
M8
M10
M15
M16
1
2
3
4
57
61
60
59
58
44 43 42 41 40 39 38
37 36 35 34 33 32
31 30 29 28
27 26
62
63
64
65
66
67
68
51
52
53
54
55
56
5
6
M13
M14
L
N
Se
Se
Ta
Ta
+24V
HS
PWM GND
VD
ma
ce
ne
SS
ne
ne
MF
PM
SRi
ma
ce
ma
ce