This document describes the features and applications of Siemens QAE22 series insertion temperature sensors, as well as detailed information on accessories and technical data.
The Siemens QAE22 insert‑type temperature sensor measures water temperature for supply, return and domestic hot‑water control. The manual provides model overviews, optional accessories, functional description, mechanical design, technical data, wiring diagrams and environmental specifications.
Installation instructions cover proper immersion length, required protection sleeves, wiring practices and positioning guidelines to ensure accurate temperature sensing and reliable operation in HVAC applications. This manual is written in Chinese.
| Temperature range | -30 °C … +130 °C |
|---|---|
| Rated pressure | PN10 |
| Weight (QAE22) | 0.155 kg |
| Sensor rod material | Stainless steel DIN 17‑440 |
A flat‑seal protection sleeve must be used when the rated pressure exceeds PN10 or the temperature exceeds 100 °C.