29
INSTALLATION
2.13
Wiring diagram
BUS 2
BUS 1
PWM
SE
SB
SS
Modbus
MO1
0-10V
TA
EA
SF
PF
SR
SM
TS
FL
Pm
SCH
PWM
0V (GND)
J21-1 / J6-1
J9-1
J9-3
J9-2
J9-4
J6-1
J6-1
J6-8
J6-8
J6-4
J6-1
1
J6-6
J6-13
J6-7
J6-14
J7-5
J7-10
J8
J11
J12
J7
J10
J9
J6
J8-1
J8-2
J12-5
J12-2
J7-8
J7-7
J7-6
J12-1
J12-4
J7-4
J7-2
J6-5
J6-12
J6-10
J6-3
J21-6
J21-3
J21-4 / J6-8
J21-5 / J6-2
b
bl
h
h
b
b h
h
h
h
J7-2 h
J7-3 b
h
h
b
b
bl
b
w
r
b
b
b h
b h b h
b h b h b h b h
b h
1
2
3
4
9 10 11 12 13 14 15 16 17 18
5 6 7 8
J21
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
MO1
Low-voltage terminal board
0-10V
0-10V input
TA
Room/heat demand thermostat
Modbus
Modbus outlet
SB
Boiler sensor (accessory)
SS
System probe (accessory)
SE
Outdoor sensor (accessory)
PWM
PWM connection (*)
Cable colour
b
brown
h
blue
r
red
w
white
bl
black
g
yellow/green
y
yellow
gr
green
(*)
Factory connections for models Condexa PRO 35 P ÷ Condexa PRO 70 P
(**)
Only for models Condexa PRO 35 P ÷ Condexa PRO 50 P
