9
1 Introduction
Air filter maintenance:
> The device automatically detects dirty air
filters. It will display a service prompt instruc-
ting you to replace the air filter.
> Never operate the device without the air filter.
When replacing the air filter, please note:
The user may replace the air filter. To replace the
air filter, carefully latch the new filter into the
correct position. Follow the instructions in the
Building Equipment and Appliances chapter of
the user’s manual.
Air filter part number: 40.04.771