Installation manual – System controller
3
I Introduction
..........................................................................
I.1 Recipients ................................................................
I.2
Available languages ............................................
II Symbols and definitions
.........................................
II.1
Key to symbols ......................................................
II.2
Terms and definitions .........................................
III Warnings
...................................................................................
III.1 General and safety warnings ............................
III.2 Compliance .............................................................
III.3 Equipment ..............................................................
III.4 Exclusions of liability and warranty ...............
1 General information and system
diagrams
....................................................................................
2 Mounting and installation
....................................
2.1
CSK18 system controller enclosure ..............
2.2
Siemens QAC34 ambient temperature
probe.......................................................................
2.3
QAA55.110 basic room unit (optional) .......
2.4
QAA74.611 advanced room unit ..................
2.5
OVLV007 diverter valve (optional) ...............
2.6
The K18 unit .........................................................
3 Electrical hookup
..........................................................
3.1
Hooking up the room unit ..............................
3.2
Temperature probes connection ..................
3.3
Water circulation pump connection............
3.4
Mixer/diverter valve connection...................
3.5
External requests connection ........................
3.6
K18 unit connection to CSK18 enclosure
...................................................................................
3.7
Temperature probes connection to K18
unit ...........................................................................
3.8
Auxiliary boiler connection (if present)
to the K18 unit (only for K18 Simplygas
models) ..................................................................
4 Commissioning
................................................................
4.1
Using the QAA74.611 advanced room
unit's interface .....................................................
4.2
Commissioning procedure .............................
4.3
Functional tests ...................................................
4.4 Standby ..................................................................
5 Settings
.....................................................................................
5.1
Optimising heating service .............................
5.2
Optimising DHW production .........................
5.3
Optimizing auxiliary boiler management
...................................................................................
6 Errors
...........................................................................................
6.1
List of errors and troubleshooting
instructions ...........................................................
6.2
Error log .................................................................
7 Special operations and configurations
............................................................................................................
7.1
Restoring factory settings ...............................
7.2
Locking QAA55.110 room unit controls .....
Appendix A: technical data
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INDEX OF CONTENTS