RWF40. is a compact universal controller optimized for temperature and pressure control through the control of modulating or multi-stage burners
This manual describes the RWF40 Compact Universal Controller, a 3‑position controller for temperature and pressure regulation in heating plants. It covers safety notes, installation requirements, wiring, configuration, and detailed operating modes.
The document includes technical data, input and output specifications, RS‑485 communication options, and troubleshooting guidance, making it a complete reference for OEMs and service technicians.
| Dimensions | 96 x 48 x 127.5 mm |
|---|---|
| Weight | approx. 430 g |
| Power consumption | approx. 5 VA |
| Operating voltage | AC 100‑240 V ±10 % 48‑63 Hz |
| Measured value range (thermocouples) | Pt100, Pt1000 -200…+850 °C |
| Output contact rating | AC 24‑240 V, 2 A |
| Resolution | > 15 bit |
| Accuracy | ±0.25 %, ±50 ppm/K |
The site should be free from vibrations, dust and corrosive media, away from electromagnetic sources, with relative humidity below 95 % (non‑condensing) and ambient temperature between –20 °C and +50 °C.
It operates from AC 100‑240 V ±10 % at 48‑63 Hz and consumes about 5 VA.
An optional RS‑485 interface can be used for integration into a data network.