Water Circuit; Multi-Row Wiring Diagram - Riello MINI 17 LN NG Installation And User Manual

2 2 Water circuit

3
2
1
UAC

2 3 Multi-row wiring diagram

NOTE: L-N POLARISATION IS RECOMMENDED
X9 X8
X3
X6
X4
X5
PAD
1
MOD
T.B. T.L.
14
X4
IWH02
TR1
TR2
CN1
X7
F1=2A
X2
X1
(*)
3
TAG
S.S. F.L.
-t°
1
4
5
6
7
8
EAF
E.A./R.
OPE OPE
1
MOD
V
1 2
3
4
X2
bl
bk
230 V
230 V
N L
aux
M5
2 1
X1
Maximum temperature thermostat
1
2 By-pass (Only for models 11-13 ESI)
3 NTC probe
4 Exchanger
Burner
5
Gas valve
6
7 Flow switch
8 Filter
Hot water outlet
UAC
Domestic cold water inlet
EAF
VG
Control circuit diagram
IWH02
CN1-X1-X9
TR1 Transformer
2 3 4
TR2 Ignition transformer
External fuse 3.15A
F
Fuse 2A
F1
Ignition/detection electrode
E.A./R.
M5 Terminal board for external
3 connections: 230V
4 5
Fan
V
pk
Gas valve
VG
Gas valve operator
OPE
MOD Modulator
T B Burner thermostat
2 1
Maximum temperature
T L
thermostat
Analogue differential pres-
PAD
sure switch
S S Domestic hot water circuit
temperature probe (NTC)
w
Domestic hot water flow
F L
RFS
switch
w
TAG (*) Anti-freeze thermostat
RFS (*) Heating wire resistor
violet
pu
r red
bk black
grey
gy
pink
pk
blue
bl
br brown
w white
orange
or
F= 3.15A
Only on models for outdoor
(*)
installation
ENGLISH
Fig. 3
Connection fittings
Fig. 4
27