Riello Condexa PRO Series Installation, Technical And Maintenance Manual page 33

Electrical wiring referred to layout 2 at page "20".
MO1
3 4 5 6 7 8
0-10V TA Modbus BUS 1
TA
TA Room/heat demand thermostat
SB Connect to the storage cylinder probe (Mod. San. 1) or
to the storage cylinder thermostat (Mod. San. 2)
PB Connect to the deviating valve (13). Contacts 101-102
control the deviation on heating, contacts 102-103
control the deviation on domestic hot water
NOTE The room thermostat connection must be dry (no
voltage).
Electrical wiring referred to layout 3 at page "21".
TB1
3 4 5 6 7 8
0-10V RT Modbus BUS 1
RT
TA Room/heat demand thermostat
PI Connect to the high temperature system pump
NOTE The room thermostat connection must be dry (no
voltage).
MO2
9 10 11 12 13 14 15 16 17
101 102 103 104 105 106
SB SS SE PWM BUS 2
L N L L N
PB PI
SB PB
TB2
9 10 11 12 13 14 15 16 17
101 102 103 104 105 106 107 108 109
SB L N SS L SE PWM L BUS 2
L N L N
SCP CHP
CHP
Electrical wiring referred to layout 4 at page "21".
MO1
3 4 5 6
0-10V TA Modbus
TA
TA Room/heat demand thermostat
SB Connect to the storage cylinder probe (Mod. San. 1) or
to the storage cylinder thermostat (Mod. San. 2)
PB Connect to the water pump
PI Connect to the high temperature system pump
NOTE The room thermostat connection must be dry (no
voltage).
Electrical wiring referred to layout 5 at page "22".
MO1
3 4 5 6
TMP
0-10V TA Modbus
TA
TA Room/heat demand thermostat
SB Connect to the storage cylinder probe (Mod. San. 1) or
to the storage cylinder thermostat (Mod. San. 2)
PB Connect to the deviating valve (13). Contacts 101-102
control the deviation on heating, contacts 102-103
control the deviation on domestic hot water
PI Connect to the high temperature system pump
NOTE The room thermostat connection must be dry (no
voltage).
9
Some electric connections of the power jig have a double
function. With special reference to the principle schemes 2
and 5 where no tank pump is foreseen, the two-way valve
of each module must be connected to the abovementioned
connections 101-102-103.
33
MO2
7 8 9 10 11 12 13 14 15 16 17
101 102 103 104 105 106
BUS 1 SB SS L N SE L
PB
SB PB
MO2
7 8 9 10 11 12 13 14 15 16 17
101 102 103 104 105 106
BUS 1 SB SS L N SE L
PB
SB PB
INSTALLATION
PWM BUS 2
L N L
PI (ACS)
PI
PWM BUS 2
L N L
PI (ACS)
PI