Lennox VRF VEWCL1E Instruction Manual page 51

7.6.4
Setting of Filter Clean Reminder
Filter Clean Reminder: Air conditioner can record its running time and when it
reaches to a certain time, unit can remind user to clean filter. A dirty filter will cause
poor cooling and heating effect, malfunction or even generate bacteria.
On the function interface, select "Clean" to enter the setting of filter cleaning
reminding function, as shown below:
Press " " or "
first item, press " " or " " to select ON or OFF. When selecting the second item, press
" " or " " to switch to a cleaning degree of the current environment (A, B, C). When
selecting the third item, press " " or " " to adjust the clean cycle. The range of filter
clean cycle is 0~9. Press "
Filter cleaning reminding time is related to the cleaning degree of current
environment and the clean cycle. There are 4 types of filter cleaning condition:
（1）Filter cleaning reminder is OFF;
" button to switch to a different selection. When selecting the
" to save the setting and return to the previous page.
Wired Controller VEWCL1E
47