The Vaillant VRC 630/2 climate compensation controller user manual provides operation, installation, and maintenance instructions.
This manual describes the VRC 630/2 climate‑compensation controller, its hardware structure, and the heating circuits it can manage. It explains how to set system parameters, use the graphical display, and program special functions such as eco‑mode and freeze protection.
The document also covers safe electrical installation, wiring of boilers and mixing circuits, startup procedures, fault codes, and technical specifications of the controller and its temperature sensors. After‑sales service contact information is provided at the end. This manual is written in Chinese.
| Maximum heating circuits | 15 |
|---|---|
| Maximum expansion modules | 6 |
| Supply voltage | 220 V |
| VR10 sensor resistance at 25 °C | 2.700 kΩ |
It can control up to 15 heating circuits.
Only technicians with the password can enter the installer interface, which is accessed by pressing both knobs simultaneously.
The resistance is 2.176 kΩ at 30 °C.