Vaillant VWZ AI, Operating Instructions Manual, Page: 3 / 40

Contents
0020291573_00 Heat pump control interface module Operating instructions
1
Operating instructions
Contents
1 Safety .................................................................... 2
1.1 Action-related warnings ......................................... 2
1.2 Intended use .......................................................... 2
1.3 General safety information .................................... 2
2 Notes on the documentation .............................. 4
3 Product description............................................. 4
3.1 Heat pump system................................................. 4
3.2 Control elements.................................................... 4
3.3 Control panel ......................................................... 4
3.4 Description of the symbols .................................... 4
3.5 Functional description of buttons........................... 5
3.6 Type designation and serial number ..................... 5
3.7 CE marking ............................................................ 5
3.8 Safety devices ....................................................... 5
4 Operation.............................................................. 5
4.1 Basic display.......................................................... 5
4.2 Operating concept ................................................. 6
4.3 Menu display.......................................................... 6
4.4 Starting up the product .......................................... 6
4.5 Setting the heating flow temperature..................... 7
4.6 Setting the domestic hot water temperature.......... 7
4.7 Switching off the product's functions ..................... 7
5 Care and maintenance ........................................ 8
5.1 Caring for the product ............................................ 8
5.2 Maintenance .......................................................... 8
5.3 Reading maintenance messages .......................... 8
5.4 Checking the system pressure .............................. 8
6 Troubleshooting .................................................. 8
6.1 Reading fault messages ........................................ 8
6.2 Detecting and eliminating faults............................. 8
7 Decommissioning................................................ 8
7.1 Temporarily decommissioning the product............ 8
7.2 Permanently decommissioning the product........... 8
8 Recycling and disposal....................................... 8
9 Guarantee and customer service....................... 8
9.1 Guarantee.............................................................. 8
Appendix .............................................................................. 9
A
Troubleshooting .................................................. 9
B Overview of the end user operating level ......... 9