Riello 20118250, Installation And Maintenance Manual

Page: 25 / 64

25
INSTALLATION
2.12 Wiring diagram
HEAT
DEMAND
TB
C
M
V
F
E
L N
br b y/g
gr bl o
⏚
K2
A2
K1
A1
CN X9
CNX1 CNX4
CN X21 CN X2 CN 25
CNX14
CNX17
CN X19 CN X8
CNX11
1 2 3 4 5 6
1 2 3 4 5 6 1 2 3 4 5
1
2
3
4
5
6
7 8 9101112 1 2 1 2 3 1 2 3 4 5 1 2 3 4 1 2 3 4 5 6
1
2
3
4
5
6
1
2
3
4
5
7 8 910
r
r
w
w
g
g
L
1
1
N
L
⏚
N
⏚ L R HD E
A B A B +
TA TA OT OT 0 10 P P S S SE SE
TA OT 0-10V P SE
AE
230 V - 50 Hz
5
4
3
12
b
br bl b b w gr gr
b br bl
bl r
bl
o
y
r
y
o
bl
3V
o
bl
y/g
br
b
y/g
PC
P W M
P W M
br b bl br b
TP
VD
L N
FU
IP
DSP
MO1
MO2
MO3 MO4 MO5
MG MD
b gr
RE
g o o g p p bl bl
g
g
p
p
bl
bl
bl bl w w
TS SM SR
w
bl bl
N 2 1 3 Ph
⏚
N 2 1 3 Ph
R
PCC
MV
SB
PC Thermal unit circulation
pump
VD Diverter valve
L Light guide
RE Interface relay
SR Return probe
SM Flow probe
TS Safety thermostat
TP Pressure transducer
FU Mains power fuse 6.3 A-T
IP Main switch
MO1 Terminal strip
DSP Display
TA Room thermostat
OT Open Therm
0-10V Input 0-10V
P Timer
SB Boiler sensor
SE Outdoor sensor
MO2 Terminal strip
MG Managing/Zone Modbus
MD Modbus Depending
MO3 Terminal strip
AE Power supply
MO4 Terminal strip
MO5 Terminal strip
X6 6 pin burner connector
(female)
XP6 6 pin burner connector
(male)
C Condenser
E Ignition electrodes
F Flame detector
PCC Short circuit socket
MV Fan motor
R Heating element
TB Burner ground
V Fuel oil valve
br brown
b blue
r red
w white
bl black
y/g yellow/green
y yellow
gr grey
g green
o orange
p pink
pl violet