Lennox INNOV DM R Series Application Manual page 97

Fig. 13 Inspecting the air filter
"Down-Flow" version
Air filter
"Up-Flow" version
Air filter
Remove the panel above the evaporator fan to access the damper and air filter compartment.
Pull out the air filter.
Check the condition of the filter and replace it if necessary.
INNOV@ CENT -AGU-0912-E . 21 .