
Unisenza - Wiring Centre
Installation and user manual
EN
Index
1 SAFETY WARNING ..................................................................................................................................................................................................4
2 TECHNICAL SPECIFICATIONS.............................................................................................................................................................................4
3 REFERENCE STANDARDS....................................................................................................................................................................................4
4 LIST OF CONTENTS.................................................................................................................................................................................................5
4.1 Wiring Center with DIN rail - (230 V)................................................................................................................................................................5
4.2 Wiring Center with DIN rail - (24 V)...................................................................................................................................................................5
4.3 Wiring Center without DIN rail - (230 V / 24 V)............................................................................................................................................6
5 DIMENSIONS.............................................................................................................................................................................................................6
6 INSTALLATION ..........................................................................................................................................................................................................7
7 MAIN WIRING DIAGRAM.......................................................................................................................................................................................9
7.1 Fuse (A) ........................................................................................................................................................................................................................9
7.2 Main supply and earth connection....................................................................................................................................................................9
7.3 Pump terminals.......................................................................................................................................................................................................10
7.4 Generator terminals .............................................................................................................................................................................................. 12
7.5 Changeover output terminals............................................................................................................................................................................ 12
7.6 Changeover input terminals............................................................................................................................................................................... 12
7.7 Alarm terminals ...................................................................................................................................................................................................... 13
7.8 Thermostat + actuator zone terminals .......................................................................................................................................................... 14
7.9 Dip Switch .................................................................................................................................................................................................................15
7.10 Lights........................................................................................................................................................................................................................... 15
8 USER’S GUIDE......................................................................................................................................................................................................... 16
8.1 Functions...................................................................................................................................................................................................................16
8.1.1 NSB (Night Setback)..............................................................................................................................................................................................16
8.1.2 Change Over.............................................................................................................................................................................................................16
8.1.3 Pump delay...............................................................................................................................................................................................................16
8.1.4 Pump exercise function .......................................................................................................................................................................................16
8.2 Wiring diagrams...................................................................................................................................................................................................... 17
8.2.1 Diagram 1: Heating only.......................................................................................................................................................................................18
8.2.2 Diagram 2: Heating only with NSB by WiFi thermostat..........................................................................................................................18
8.2.3 Diagram 3: Heating only with NSB by external clock.............................................................................................................................. 19
8.2.4 Diagram 4: Heating only with all WiFi thermostats..................................................................................................................................19
8.2.5 Diagram 5: Heating and cooling with change over by thermostats ..................................................................................................20
8.2.6 Diagram 6: Heating and cooling with NSB by WiFi thermostat and change over by thermostats........................................ 21
8.2.7 Diagram 7: Heating and cooling with change over by thermostats or by Wiring Centre COin............................................... 22
8.2.8 Diagram 8: Heating and cooling with NSB by WiFi thermostat and change over by thermostats or by Wiring
Centre COin.............................................................................................................................................................................................................. 23
8.2.9 Diagram 9: Heating and cooling with all WiFi thermostat and change over by thermostats ................................................. 24
8.2.10 Diagram 10: Heating and cooling with all Dial thermostat and change over only by Wiring Centre COin......................... 25
9 WEEE DIRECTIVE APPLICATION ................................................................................................................................................................... 26