Vaillant VR 90 Operating And Installation Manual

Also see for VR 90: OPERATING AND INSTALLATION Manual

Contents

Vaillant VR 90 Operating And Installation Manual Manual pdf 17 page image

17Installation manual remote control device VR 90 0020055329_002 Safety instructions and regulationsThe control must be installed by a qualified engineer, whois responsible for adhering to the prevailing standardsand regulations. We accept no liability for any damagecaused by failure to observe these instructions.2.1 Safety instructionse Danger!Risk of fatal electric shock from touching liveconnections.Before carrying out work on the control, switchoff the power supply and secure it against beingswitched on again.Only remove the control from the wall box orfrom the plinth when it is potential free.2.2 RegulationsThe regulations of VDE and EVU must be observed duringthe electrical installation.Use standard wires for wiring.Minimum cross-section of the wires: 0.75 mm 2The following maximum wire lengths may not beexceeded:- Bus lines 300 mWhere lengths are greater than 10m, route the connectioncables carrying 230V separately from the sensor or buscables.The control must only be installed in dry rooms.A minimum distance of 25 cm between 230 V and sensoror eBus cables must be maintained.All wiring must be in accordance with BuildingRegulations Part P and BS 7671 (IEE Wiring Regulations),and must be carried out by a suitably qualified person.3 InstallationThe VR 90 can be installed on the wall in any room whichis included in the heating system.3.1 Installation locationPlease note that, when selecting the installation location,you need to take into account whether room temperaturerecording is required (selection of the room whererecording takes place).Safety instructions and regulations 2Installation 3