Overview
MCOHOME MH3900 is a smart heating thermostat that measures indoor temperature and switches a connected heating system according to the difference between measured and set temperature.
Key features
- Temperature setpoint range from 5 to 37 °C
- Manual and energy-saving operating modes
- Up, function/confirm and down touch controls
- Adjustable LED standby brightness
- Battery or 24 V power options
- Z-Wave remote control on Z-Wave-equipped MH3900 versions
Compatibility and installation
The exact wiring depends on the supplied version and heating system. The MH3900 manual covers both Z-Wave-equipped and non-Z-Wave versions; confirm the supplied product variant before planning wireless integration. Installation and wiring must follow the exact-model manual and be completed with the relevant circuit isolated.
Technical specifications
| Specification | Value |
|---|---|
| Technical model | MH3900 |
| Power supply | 24 V AC/DC or 3 × AAA batteries |
| Temperature setting | 5–37 °C |
| Temperature accuracy | 0.1 °C |
| Housing | Tempered glass and PC alloy |
| Display | White LED array |
| Dimensions | 104 × 104 × 20 mm |
| Wireless protocol | Z-Wave |
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