26
DEU
ENG
NDL
FRA
ITA
ESP
Contents
1 Safety ...................................................................................................................28
1.1 Used signal words and notes .....................................................................................28
1.2 Intended use .............................................................................................................28
1.3 General safety notes .................................................................................................28
1.4 Personnel-related preconditions ................................................................................29
1.5 Limitations for the operation .....................................................................................29
1.6 Conformity ................................................................................................................29
2 Versions ................................................................................................................ 30
2.1 Scope of supply .........................................................................................................30
2.2 Indications and operating elements ...........................................................................30
2.3 Connections ..............................................................................................................31
2.4 Technical data ...........................................................................................................32
3 Installation ............................................................................................................33
3.1 Assembly...................................................................................................................33
3.2 Electric connection ....................................................................................................33
3.2.1 External change-over signal ..............................................................................34
3.2.3 Pump/boiler 24 V .............................................................................................34
3.2.2 Pump/boiler 230 V ...........................................................................................34
3.2.4 Optional humidity sensor..................................................................................35
3.2.5 Pilot function for change-over heating/cooling .................................................35
3.2.6 External timer ...................................................................................................35
3.2.8 Use of a temperature limiter .............................................................................36
3.2.9 Connection of Ethernet variants .......................................................................37
4 Commissioning .....................................................................................................37
4.1 First commissioning ...................................................................................................37
4.2 Control operation ......................................................................................................37
4.3 Connecting (pairing) / separating base stations..........................................................38
4.4 Allocation of a room control unit to a heating zone (pairing) .....................................39
4.5 Performing the radio test ..........................................................................................39
4.6 System configuration .................................................................................................40
4.6.1 System configuration with microSD card ..........................................................40
4.6.2 Configuration with room control unit Wireless Display .....................................40
4.7 Resetting the factory settings ....................................................................................43
4.8 KWL Smart Home Ready ...........................................................................................43
4.9 Operating lock (hotel function) ..................................................................................43
5 Protection functions and emergency operation ....................................................45
5.1 Protection functions ..................................................................................................45
5.1.1 Pump protection function .................................................................................45
5.1.2 Valve protection function .................................................................................45
5.1.3 Antifreeze protection function ..........................................................................45
5.1.4 Dew point monitoring ......................................................................................45
5.2 Emergency operation ................................................................................................45
6 Troubleshooting and cleaning ............................................................................... 46
6.1 Error indication and elimination of errors ..................................................................46
6.2 Fuse change ..............................................................................................................47
6.3 Cleaning....................................................................................................................47