14 Brief description .............................................................................................................................. 20
15 Service code ..................................................................................................................................... 20
16 Power unit in the air curtain............................................................................................................ 21
17 Master network system – multi-master configuration ................................................................... 22
17.1 Configuration of the multi-master controller ......................................................................... 23
18 Master/slave network system ......................................................................................................... 24
18.1 Configuration of the master controller with connected slave ................................................ 25
19 Connections ..................................................................................................................................... 26
19.1 Solenoid valve connection ....................................................................................................... 26
19.2 Air discharge controller connection ........................................................................................ 26
19.3 SLAVE air discharge control ..................................................................................................... 26
19.4 Operating message / error message connection .................................................................... 27
20 Enables ............................................................................................................................................ 28
20.1 External release ....................................................................................................................... 28
20.2 Single release ........................................................................................................................... 28
20.3 Group release .......................................................................................................................... 28
20.4 Global release .......................................................................................................................... 28
21 Accessories ...................................................................................................................................... 29
21.1 Door contact ............................................................................................................................ 29
21.2 External room thermostat ....................................................................................................... 29
21.3 External filter monitor ............................................................................................................. 29
21.4 External 0-10 V / 4-20 mA speed specification ....................................................................... 29
21.5 External outdoor temperature speed specification ................................................................ 29
21.6 External summer/winter changeover ..................................................................................... 30
21.7 External room sensor .............................................................................................................. 30
22 Basic functions and symbols ............................................................................................................ 31
23 AC circuit diagram ........................................................................................................................... 32
24 EC circuit diagram ............................................................................................................................ 33
25 Technical data.................................................................................................................................. 34
26 Standards complied with ................................................................................................................. 34