Wiring Diagram - Riello Condexa PRO Series Installation, Technical And Maintenance Manual

2.13 Wiring diagram

SR
SF
PF
Pm
TS
FL
SM
SCH
J21
Key
EA Ignition/detection electrode
SF Exhaust flue probe
SM Flow probe
SR Return probe
TS Safety thermostat
PF Flue gases pressure switch (**)
Pm Minimum pressure switch
FL Flow-meter
SCH Display and control card
(*) Factory connections for models Condexa PRO 35 P ÷ Condexa PRO 70 P
(**) Only for models Condexa PRO 35 P ÷ Condexa PRO 50 P
b
J6-3
J6-10
h
J6-12 h
J6-5 b
J7-3 b
J7-2 h
J7-2 h
J7-4
b
J12-4 w
J12-1 r
J7-6 b
J7-7 bl
J7-8 h
b
J12-2
J12-5 h
b h b h b
J21
J21-1 / J6-1
b
J21-5 / J6-2
bl
J21-4 / J6-8
h
J21-6 h
b
J21-3
1 2 3 4 5
0-10V TA Modbus
MO1
0-10V
TA
Modbus Modbus outlet
SB
SS
SE
PWM
EA
h b h b h b h b
6 7 8 9 10 11 12 13 14 15 16 17 18
BUS 1 SB SS SE
Low-voltage terminal board
0-10V input
Room/heat demand thermostat
Boiler sensor (accessory)
System probe (accessory)
Outdoor sensor (accessory)
PWM connection (*)
29
h b h
b
h
MO1
PWM BUS 2
0V (GND)
PWM
Cable colour
b brown
h blue
r red
w white
bl black
g yellow/green
y yellow
gr
green
INSTALLATION