Wiring Diagram - Riello TAU Unit 50 Installation And Maintenance Manual

2.10 Wiring diagram

J2 J1 F1
J28
SCH1
J6
J9
J6-3 h
SR
J6-10 h
EA
TR1
VE1
J3 J4
J15-1 h
J15-2 w
J15-3 bl
J15-5 w
J15-6 bl
J15-4 h
J7 J12
J15
J6-5 gra
SF
J6-12 gra
J12-1 w
TS TF
J12-4 w
SCH2
J21
VG1
IG
FU
b b
h
FI
g
ER
J5
J11 J8
J7-4 gra
J7-5 gra
J7-1 bl
J7-2 b
J7-3 h
J7-6 v
J7-7 o
J7-8 h
J7-9 w
J7-10 w
J9-3 bl
J9-1 r
J9-2 gra
J9-4 gra
J6-4 gr
J6-11 gr
J6-7 w
J6-14 w
J6-6 bl
J6-13 bl
J6-1 p
J6-8 gra
J6-2 r
J6-9 bl
J8-1 v
J8-2 v
J12-2 r
SM
J12-5 r
J21
21
g
MO2
b
21
L
h
20
N
19
⏚
18
L - GEN/ VLPG
17
N
16
⏚
P.125
15
L - CH (N.C.)
14
N
13
L - DHW (N.O.) / PB / PI
12 ⏚
P.128
11
L - PC/PS/PI
10
N
9 ⏚
P.187
8
L - ALLARM
7
N
P.127
6
PWM
5
0 - 10V
4
GND
3
PWM
2
0 - 10V
1
GND
OFF
S1
ON
MO1
28
27
26 +5V
PRESSURE
25 TRANSDUCER
GND
24 SIGNAL
23
+5V
WATER FLOW
22 GND METER
21 SIGNAL
P. MIN. GAS
20
19 P. MIN. GAS
18 0V IN
17 0 - 10V IN
16 ROOM THERM. / OT +
ROOM THERM. / OT +
15
14
BOILER SENS./THERM.
13 BOILER SENS./THERM.
12 EXTERNAL SENSOR
EXTERNAL SENSOR
11
10 COLLECTOR SENSOR
9 COLLECTOR SENSOR
8
DISPLAY DATA
7 GND
6
+24V
0V
5
4 RS485 A
3 RS485 B
2 ARGUS LINK
1 ARGUS LINK
INSTALLATION
AE
VLPG
PB/PI/VD/VC
PC/PS/PI
AL
MOD 1
MOD 2
INAIL
P.123
Pmin Tpa
P.116
FL
P.117
PminG
P.118
0-10 V
TA/OT
SB/TB
SE
SS/SC
P.122
BUS 1
24 V
MB
BUS 2