Sensor Connections Block Diagram 2; Bus Connections Block Diagram 2; System Parameters Block Diagram 2 - Riello Condexa PRO NA 75P Installation, Operation And Service Manual

CONFIGURATION OF THE MAIN BLOCK DIAGRAMS

3.5.2 Sensor connections Block diagram 2

MANAGING CONNECTIONS
MANAGING
1 2 3 4 5 6 7
0-10V RT Modbus BUS 1
SP Primary sensor
DHW Indirect storage tank sensor
OS Outdoor temperature sensor
DEPENDING CONNECTIONS
9
NOTE: Connections to be made on the first depending boiler
only.
DEPENDING
1 2 3 4 5 6 7
0-10V RT Modbus BUS 1
SC Secondary sensor

3.5.3 Bus connections Block diagram 2

See section "System management" for a detailed description of
the connections between the boilers.
MANAGING CONNECTIONS
MANAGING
1 2 3 4 5 6 7
0-10V RT Modbus BUS 1
BUS 1
TB1
8 9 10 11 12 13 14 15 16 17 18
DHW SP OS LWCO BUS 2
DHW SP OS
TB1
8 9 10 11 12 13 14 15 16 17 18
DHW SC OS LWCO BUS 2
SC
TB1
8 9 10 11 12 13 14 15 16 17 18
DHW SP OS LWCO BUS 2
DEPENDING CONNECTIONS
DEPENDING
1 2 3 4 5 6
0-10V RT Modbus

3.6 System parameters Block diagram 2

9
NOTE: See the section "Commissioning and maintenance" for
a detailed description on parameter operation
Essential parameters to be configured for the block diagram 2:
Managing
S1 OFF
Dip-switch 1 to ON
Par.73 Managing
no. of depending boiler
Par.147
installed
greater than/equal to
Par.7
18°F (10°C)
Par.97
Specific parameters to be configured for the block diagram 2:
Managing
adjust according to re-
Par.79
quirements
adjust according to re-
Par.80
quirements
adjust according to re-
Par.81
quirements
adjust according to re-
Par.86
quirements
adjust according to re-
Par.87
quirements
adjust according to re-
Par.169
quirements
adjust according to re-
Par.170
quirements
adjust according to re-
Par.171
quirements
adjust according to re-
Par.176
quirements
adjust according to re-
Par.177
quirements
66
7 8 9 10 11 12 13 14 15 16 17 18
BUS 1 DHW SP OS LWCO BUS 2
BUS 2
Depending
OFF
2-10 to ON
Dependent
/
greater than/equal to
18°F (10°C)
10 10
Depending
/
/
/
/
/
/
/
/
/
/
TB1