| Code | Function | Recommended Setting | | :--- | :--- | :--- | | | Temperature Calibration (±3°C) | If your thermostat reads 20°C but a separate thermometer says 19°C, set this to +1. | | F2 | Switching Differential (Hysteresis) | 0.5°C for boilers; 1.0°C for electric floor heating (to prevent rapid clicking). | | F3 | Frost Protection Temp | 7°C (Default – stops pipes freezing). | | F4 | Sensor Type | In (Internal only) / Out (Floor sensor only) / AL (Both – for underfloor). | | F5 | Max Floor Temp Limit | 27°C for tile; 35°C for wood (Only if using floor sensor). | | F6 | Restore Factory Settings | Select "RST" and confirm. |
: Switches between automatic fan mode and continuous run. Technical Specifications Specification Power Source 2x AA Alkaline Batteries or 24V AC Hardwire Temperature Range 5°C to 35°C (41°F to 95°F) Switch Rating 3A or 16A resistive (model dependent) Accuracy ±0.5°C (±1°F) Sensor Type NTC Thermistor Step-by-Step Installation Guide intronics digital room thermostat user guide
: Limits energy consumption by maintaining a slightly wider temperature range. | Code | Function | Recommended Setting |
Here's a quick reference to help you identify your model and understand its key features. | | F4 | Sensor Type | In
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