Riello 20118244, Installation And Maintenance Manual

Page: 25 / 60

25
INSTALLATION
2.12 Wiring diagram
HEAT
DEMAND
TB
C
M
V
F
E
L N
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 w w bl
bl bl
b b
gr gr
b br bl
bl r
bl
o
y
r
y
o
bl
3V
o
bl
y/g
br
b
y/g
PC
br b y/g
gr bl o
P W M
P W M
br b bl br b
TS TP SR
VD
L N
FU
IP
DSP
MO1 MO2
MO3 MO4 MO5
MG MD
b gr
RE
g g p p w w bl bl
g
g
p
p
bl
bl
w w
SM
pl pl
SAFS SACS
o o
⏚ N 2 1 3 Ph
⏚
N 2 1 3 Ph
R
PCC
MV
PC Thermal unit circulation
pump
VD Diverter valve
L Light guide
RE Interface relay
SR Return probe
SM Flow probe
SAFS Domestic cold water
probe
TS Safety thermostat
TP Pressure transducer
SACS Domestic hot water probe
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
SE Outdoor sensor
MO2 Terminal strip
MG Modbus Managing
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