NIBE · F750 Heat Pump
The heat pump's ventilation system is not moving enough air, which can lead to inefficient heating/cooling and might cause moisture problems in the house.
Click steps to track your progress.
Check that all ventilation openings in the house are not blocked.
Inspect exhaust air ducts for any reductions in cross-sectional area like creases or tight bends.
Ensure exhaust air devices are correctly positioned and adjusted according to installation guidelines.
Set the ventilation capacity in the heat pump's menu system (Menu 5.1.5).