Key facts
- Brand
- Siemens
- Model
- RAA20
- Documents
- 2
- Languages
- ZH
- Last added
- 2000-01-01
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Siemens RAA20 Room Temperature Controller Manual
The RAA20 controller is designed for single‑heat or single‑cool systems in residential and light‑industrial buildings, working with zone valves, boilers, fans and pumps to maintain a selected room temperature. It offers two‑position switch control and an adjustable setpoint range.
The manual covers installation guidelines (mount height ~1.5 m, avoid heat sources, use qualified personnel), wiring, operation of heating and cooling outputs, technical data such as voltage and temperature ranges, and certification information. Maintenance is minimal as the device is maintenance‑free. This manual is written in Chinese.
Siemens RAA20 specifications
| Working voltage | AC 24‑250 V |
|---|---|
| Frequency | 50/60 Hz |
| Switch deviation | ≤ IK |
| Setpoint range | 8 °C – 30 °C |
| Current at 250 V | 0.2 A – 6 A |
| Operating temperature range | 0 °C – 50 °C |
| Storage temperature range | -20 °C – 50 °C |
| Relative humidity | < 95 % RH |
| Weight | 0.14 kg |
| IP rating | IP30 |
All Siemens RAA20 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 is the operating voltage range for the Siemens RAA20 controller?
It operates on AC 24 V to 250 V.
What temperature setpoint range can be programmed on the RAA20?
The setpoint can be adjusted between 8 °C and 30 °C.
What is the operating voltage range of the RAA20 controller?
The controller operates on AC voltage from 24 V to 250 V.
At what height should the controller be installed?
Install the controller about 1.5 m above the floor.