Key facts
- Brand
- Siemens
- Model
- RDF340
- Documents
- 2
- Languages
- EN
- Last added
- 2000-01-01
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Siemens RDF300 RDF340 RDF400 Room Temperature Controller User Manual
The Siemens RDF series are embedded room temperature controllers for two‑pipe, two‑pipe with electric heating and four‑pipe fan‑coil systems. They support on/off or three‑position control outputs, LCD display, multi‑function inputs, automatic/manual heating‑cooling switching, energy‑saving mode and programmable weekly schedules.
The manual covers device purpose, functions, wiring, DIP switch configuration, mechanical design, installation guidelines, technical specifications and compliance standards, providing all information needed for commissioning and servicing the controllers.
Siemens RDF340 specifications
| Working voltage | AC 230 V (RDF300/400) / AC 24 V (RDF340) |
|---|---|
| Maximum power consumption | 8 VA |
| Fan output capacity | Up to 5 A per output (AC 230 V) |
| Control output capacity | Up to 5 A per output (AC 230 V) |
| Multi‑function inputs | Two inputs (X1‑M, X2‑M) |
| Weight | 0.220 kg |
Source: Siemens RDF300 RDF340 RDF400 Room Temperature Controller User Manual
All Siemens RDF340 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What control output does the RDF300/RDF400 provide?
The RDF300 and RDF400 use an AC 230 V supply and provide on/off or three‑position control outputs.
From: Siemens RDF300 RDF340 RDF400 Room Temperature Controller User Manual
How many programmable time periods does the RDF400 support?
The RDF400 supports eight programmable weekly time periods for automatic scheduling.
From: Siemens RDF300 RDF340 RDF400 Room Temperature Controller User Manual