Wall mounted thermostat TH109DA

Room thermostat TH109DA is designed to maintain the required temperature range +10°C...+30°C. HIGH-MED-LOW switch regulates airflow of the fan attached. When heating is needed upper swtich should be in HEAT position, when cooling - COOL position. OFF position means the thermostat is switched off.
When temperature reaches the set value thermostat closes electric valve but fan is still running in selected mode.