Riello CONDEXA HPR Series Instructions For The Installer And For The Technical Assistance Centre page 29

NOTE L-N CONNECTION IS ADVISABLE
1 2 3 4 5 6
SCxx
rosso 24V
1
giallo B
arancione A
nero GND
5
CE4 removable connector
CE4 (connettore estraibile
under the shelf
posizionato sotto mensola)
- A B +
MB1
arancione (SE)
arancione (SE)
arancione (A)
rosso (+24V)
Key
AKJ03 Control board with built-in ignition transformer
SC User interface
F Fuse
F1 External fuse 4A F
X1-X25 Connection fittings
ACC Ignition transformer
EA Ignition electrode
ER Detection electrode
V Hv 230V fan power supply
M 3-way valve
P Pump
PD Differential pressure switch
PP PWM signal for pump command
V Lv PWM signal for fan command
TP Pressure transducer
SR Return probe
SM Flow probe
TLA Safety thermostat
F1=4A F
EVG
OPE
OPE
g/v
1 2 3 4
1 2 3 4 5
PD
marrone
blu
marrone
X14
6
X1
rosso (+24V)
1
giallo (B)
X17
arancione (A)
nero (GND)
6
rosa (OT+)
1
rosa (OT+)
arancione (SE)
X11
arancione (SE)
nero (TA)
nero (TA)
6
M02
nero (TA)
1
TA
nero (TA)
2
TA
rosa (OT+)
3
OT+
rosa (OT+)
4 OT+
5
SE
6 SE
viola (TB)
7 TB
viola (TB)
8 TB
rosso (SB)
9 SB
rosso (SB)
10 SB
nero (GND)
11 GND
12 A
MB2
giallo (B)
13
B
+24V
14
230 V
L N
M01
g/v
marrone
P
blu
g/v
M
marrone
V Hv
blu
g/v
1
X4
X1 X4
F=4A T
X14
X17
X11 AKJ03
X19
X19 X9
1
10
1
-t°
SF
-t°
-t°
3
SR SM TLA
1
TP
SF Flue gas probe
EVG Gas valve
M 3-way valve
M01 Power supply terminal board (high voltage)
M02 Terminal board for connection of external services (low
voltage)
MB1 Modbus 1: commands/wi-fi key
MB2 Modbus 2: cascades
SB Storage cylinder probe
TB Storage tank thermostat
TA Room thermostat
OT+ Open therm
SE Outdoor temperature sensor
CE4 Modbus 1 connector
X4 Connection for hydraulic 3-way valve (available upon re-
quest from the Riello price list catalogue)
X2 Remote alarm (accessory)
X21 Zone valve or additional pump (accessory)
29
Blu Blue
Marrone Marron
Nero Black
Rosso Red
Bianco White
Rosa Pink
Arancione Orange
Grigio Grey
Giallo Yellow
EA ER
g/v
X7
X3
ACC
X25
X21 X2
X9 X13 X8
Accessories
Accessori
12
X8
X13
1 4
1
3
V Lv
PP
INSTALLATION
X25
1
2
TBT