The thermostat is located near a heat source, drafty window, or direct sunlight.
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Relocate the thermostat to an interior wall roughly 1.5 meters off the floor, away from external thermal interferences. A flame or radiator icon is visible, but radiators are cold
Mount the device approximately 1.5 meters (5 feet) above floor level on an internal wall.
: Use + / – to select the day of the week (1=Mon, 7=Sun) or a block of days (e.g., weekdays 1–5).
: Press > to move to the temperature field and use + / – to adjust the desired heat.
Press > to accept the settings. Repeat for all required events.
Check the wiring connection to the remote sensor. Measure sensor resistance if qualified. The Key Lock feature is turned on.
Disables heating control while maintaining basic monitoring (e.g., frost protection). Step-by-Step Programming Guide
The target temperature is lower than the actual room temperature, or the thermostat is set to manual override mode.
| Time Period | Mon, Tue, Wed, Thu | Friday | Saturday | Sunday | | :--- | :--- | :--- | :--- | :--- | | | 21°C | 21°C | 21°C | 21°C | | Morning (7:00) | 28°C | 28°C | 28°C | 28°C | | Forenoon (8:30) | 18°C | 18°C | 18°C | 18°C | | Forenoon (10:00) | 18°C | 18°C | 18°C | 18°C | | Midday (12:00) | 21°C | 21°C | 21°C | 21°C | | Afternoon (14:00) | 18°C | 21°C | 21°C | 21°C | | Evening (17:00) | 21°C | 21°C | 21°C | 21°C | | Evening (19:00) | 28°C | 28°C | 28°C | 28°C | | Night (22:00) | 15°C | 15°C | 15°C | 15°C | | Night (23:00) | 18°C | 18°C | 15°C | 18°C |
Press the button once more. The weekday indicator (1 = Monday, 7 = Sunday) will flash. Use the + or - buttons to select the current day. Press the OK or PROG button to save the settings and exit. Setting Comfort and Economy Temperatures
This part officially lists all the applications the INSTAT 6 is designed for. The manual states it's approved for:
Verify the clock time and ensure the unit is running in Auto mode. Check if the flame icon is showing on the screen. The room temperature does not match the display value
