Nibe F370 User Manual page 23

Cleaning the air filter
Clean the F370's air filter regularly, how often depends on the amount of
dust in the ventilation air.
When it is time to clean, an alarm indication occurs is displayed. Factory
setting for alarm indication is every three months.
1. Switch off the heat pump.
2. Remove the upper front cover by pulling straight out.
3. Pull out the filter cassette.
4. Take out the filter and shake/vacuum off any dirt. Do not use water
or other liquids for cleaning.
5. Check that the filter is not damaged.
6. Carry out assembly in reverse order.
Even if the filter appears clean, dirt collects in it and this affects the effi-
ciency of the filter. Therefore, replace it after 2 years. New filters can be
ordered via the installer.
Check pressure
F370 has a pressure gauge which shows the heating system pressure. The
pressure should be between 0.5 and 1.5 bar, but varies during temperature
changes. If the pressure drops to 0 or rises to 2.5 frequently, contact your
installer for troubleshooting.
Chapter 2 | The heat pump – the heart of the house NIBE™ F370 21