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9.4.
Replacing air filters
Heat Recovery Unit OXYGEN X-Air V500 is equipped with supply and exhaust air filters.
Supply air filter
ensures supply air quality, protects against ingress of outdoor dust and
insects (G4 Carbon, M5, F7 filtering classes);
Exhaust air filter
protects the device against ingress of indoor dust and insects (G4 filtration
class).
Figure 28. Locating air filters
Air filter replacing frequency depends on the selected filtering class and environment, where the Unit
is being operated. Dusty operation environment will foul filters faster.
Replacing air filters:
Shut down the Unit by control panel, make sure that fans have completely stopped
Open the lid of the filter, that you intend to change, marked by "OXYGEN" by firmly gripping
it and pulling out
Use fabric handle to remove a filter
Insert a new filter, following ventilation flow direction indicated on filter frame – it should point
downwards
Firmly push the lid of the filter back to its place. Make sure it was tightly inserted into the Unit
housing
Turn on the Unit
Reset filter lifetime meter, refer to 9.3.5 "Resetting the filter lifetime meter" or 9.2.3 "Settings
menu", depending on type of controller used.
OXYGEN X-Air V500 left-side version
OXYGEN X-Air V500 right-side version
Exhaust air filter
Supply air filter
Supply air filter
Exhaust air filter
