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This guide is for users of the Vaillant VR 91 Wired Digital Programmable Room Thermostat. It helps you understand how to set up and use the thermostat to control your heating system effectively. This thermostat allows you to set and change the operating mode, times, and temperatures for a specific zone. Note that the remote control unit only operates in combination with the VRC 700 Wired remote control unit.
| Model Part Number | 0020171334 |
|---|---|
| Brand | Vaillant |
Refer to the user manual for detailed instructions on setting the time and date. Typically, you access the settings menu and adjust the values.
No, the Vaillant VR 91 is designed for single-zone control.
The eBUS interface allows for remote control of the heating system. You need a compatible Vaillant control unit like the VRC 700 to utilize this feature.
The thermostat uses standard commercial lines for the wiring, which should be installed by a professional.
You can usually find the user manual on the Vaillant website or by searching online for "Vaillant VR 91 user manual."
Check the power supply, wiring, and system settings. Consult the troubleshooting section of this guide or the user manual for more specific issues.
Check the power supply and wiring connections. Ensure the thermostat is receiving power.
Verify the wiring connections between the thermostat and the heating system. Check the system's settings and ensure they are compatible with the thermostat.
Ensure the thermostat is not located near drafts, heat sources, or direct sunlight. Recalibrate the thermostat if necessary, following the manufacturer's instructions.
Setup:
Compatibility:
Care:
