Overview
The Z-TRM3 is a Z-Wave thermostat for controlling electric floor heating up to 16A. The thermostat has a built-in temperature sensor, input for an external temperature sensor and active energy measurement. In combination with Z-Water, the TRM3 can be used with water-controlled underfloor heating. The thermostat fits in cover frames from brands such as GIRA ST55, Elk and Schneider Exxact.
Key features
- Display shows measured temperature
- Buttons for manual operation
- Installation in flush-mounting box, operates on 230V connection
- Temperature measurement: internal and external sensor (floor or room)
- Fits in GIRA ST55 frames
- Available in 2 colours
Technical specifications
| Specification | Value |
|---|---|
| Technical model | Z-TRM3 |
| Adjustable temperature | 5°C – 40°C |
| Current measurement | Active current measurement |
| IP value | IP21 |
| Maximum load capacity | Self limited heating cable 750W, 16A |
| Power source | 230V AC, 50/60 Hz |
| Protocol | Z-Wave, Z-Wave Plus |
| Temperature sensors type | External sensor (wired), Floor sensor (wired), Internal sensor |
Documentation
| Document | Description | Link |
|---|---|---|
| Installation manual | Installation, operation, configuration and technical reference for Heatit Z-TRM3. | Download PDF |













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