1) Open Move the tab to adjust the flow direction.
To open the ventilator, turn the rear grille
open/close wheel upward to the "
To close it, turn the wheel downward to the
" |
Side ventilatorsInspection
1. Check that the thermostat does not have deformation, cracks or damage.2. Check that the thermostat valve closes completely at an ambient temperature.3. Immerse the thermostat and a thermometer in water. Raise water temperature gradually, and check the temperature and valve lift when the valve beg ...