4.4.8 Filter Life Reset
1. To reach the Filter Life Reset function from the main display window, press
the Menu key seven times.
2. Press and hold the Enter key until the ashing cursor appears.
3. Press the pkey to select the lter that has been replaced.
4. Press the Enter key to conrm that the selected lter has been replaced. To
safeguard against inadvertently resetting the life of the wrong lter, the
selection needs to be reconrmed. The Filter Life LED for the appropriate
lter is now ashing red. Note: If the wrong lter has been selected, or if you
wish to exit the enter mode, press the Menu key. This leaves the Filter Life
Reset unaffec ted.
5. To conrm the lter change and exit the Filter Life Reset display window,
press the Enter key.
6. Upon successful reset of the lter life, the new remaining lter life (taking
the currently selected fan speed and programmed lter load indices into
account) will be displayed.
4.4.10 Language Setting
The Language Menu Display allows to change the system’s display language.
1. To reach the Language Menu Display from the main display window, press
the Menu key ten times. The current display language is displayed.
2. To change the display language, press and hold the Enter key until the cursor
starts to ash.
3. Use the pkey to scroll through the display language options.
4. Press the Enter key to save the display language and to exit the enter mode.
18
Chapter 4 – Using the Control Panel
4.4.9 Changing the Airow Units
N.B. The air delivery (airow units) displayed in this manual are examples only
and will vary according to model.
1. You can change the air volume units from cubic feet per minute (cfm) to cubic
meters per hour (m3/h), and vice versa, by pressing the Menu key eight times
and then the Enter key for three seconds.
2. When the rst character of the air volume units starts to ash, press the pkey
once to change the units.
3. Press the Enter key to conrm the air volume unit change. Until modied
again, the airow rate will now be displayed in the newly selected units.
The Filter Life Reset function allows the lter life counter to be reset after a new lter has been inserted. As a result,
the appropriate lter life LED on the control panel will be reset to green and the hour count in the Filter Life Reset
display will be reset to the full life span of the new lter. Note: Resetting the
lter life counter will also cancel the “Replace Filter” warning from the main
display window.
