*****INTERNAL*****30 R_D proof- 26.10.2022 / 09:15:46- VaillantGroup\DOC-agt\Brand\VIH_QW_190_6\ENG\OI-II_GB_0020291525
0020291525_04 Operating instructions 3
Operating instructions
Contents
1 Safety .................................................................... 4
1.1 Intended use.......................................................... 4
1.2 General safety information .................................... 4
2 Notes on the documentation .............................. 6
3 Product description............................................. 6
3.1 Heat pump system................................................. 6
3.2 Product design....................................................... 6
3.3 Opening the front flap ............................................ 6
3.4 Control elements.................................................... 6
3.5 Control panel ......................................................... 7
3.6 Description of the symbols .................................... 7
3.7 Functional description of buttons........................... 7
3.8 Type designation and serial number ..................... 8
3.9 CE marking............................................................ 8
3.10 Benchmark............................................................. 8
3.11 Safety devices ....................................................... 8
4 Operation.............................................................. 8
4.1 Basic display.......................................................... 8
4.2 Operating concept ................................................. 9
4.3 Menu display.......................................................... 9
4.4 Starting up the product .......................................... 9
4.5 Setting the heating flow temperature................... 10
4.6 Setting the domestic hot water temperature........ 10
4.7 Switching off the product's functions ................... 10
5 Care and maintenance ...................................... 10
5.1 Caring for the product.......................................... 10
5.2 Maintenance ........................................................ 10
5.3 Reading maintenance messages ........................ 11
5.4 Checking the system pressure ............................ 11
6 Troubleshooting ................................................ 11
6.1 Reading fault messages ...................................... 11
6.2 Detecting and eliminating faults........................... 11
7 Decommissioning.............................................. 11
7.1 Temporarily decommissioning the product.......... 11
7.2 Permanently decommissioning the product......... 11
8 Recycling and disposal..................................... 11
9 Guarantee and customer service..................... 12
9.1 Customer service................................................. 12
Appendix ............................................................................ 13
A Troubleshooting ................................................ 13
B Overview of the end user level......................... 13
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