Riello Condexa PRO Series Installation, Technical And Maintenance Manual page 32

INSTALLATION
Loosen the fixing screws (2) and remove the protection (3)
2
− Identify the low-tension terminal board (MO1) and the
high-tension terminal board (MO2)
MO2
MO1
MO1 Control signals terminal board
MO2 Output terminal board
FC Cable guide
9
For the connection of the devices connected to the jig
(pumps, circulators and diverting / mixing valves) use inter-
posed relays unless the maximum absorption of all compo-
nents connected to the board (including the module circu-
lator) is less than or equal to 1.5 A. Relays sizing lays on the
installer depending on the type of connected device.
3
FC
For connection, see the following figure:
~ 230 V
( )
N
MO2
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115
S1 Circuit breaker
RA Relay / Switch (230V AC)
(*) Refer to the device type for the supply tension.
− Execute electrical wiring in compliance with the diagrams
shown below
Power supply
103 104 105 106 107 108 109 110 111 112 113 114 115
L N L N L
L
Live
N Neutral
PE Earth/ground
Electrical wiring referred to layout 1 at page "20".
MO1
1 2 3 4
0-10V TA Modbus
TA TA
TA Room/heat demand thermostat
NOTE The room thermostat connection must be dry (no
voltage).
32
RA
0
1
S1
MO2
N L N L N
230V ~ 50Hz
5 6 7 8 9 10 11 12 13 14
BUS 1 SB SS SE