User manual Lennox International Inc., model G32 SERIES
Do not force the knob. 5 - Replace the upper access panel. Filters A filter must be in place any time the unit is operating. Ask your dealer to show you where the filter is located. The filter should be inspected monthly and cleaned when necessary to assure proper furnace operation. Foam filters may be cleaned for reuse. If replacement is necessary, order Lennox part no. 31J81 for 14 X25 inch filter used in G32-75 units or P-8-7831 for 20 X 25 inch filter used in G32-100 and -125 units. Use the following procedure to clean filter. Bottom Return Air Filter Installation (Figure 4) 1 - Turn off electric power to furnace. 2 - Remove blower access panel. 3 - Remove filter by pressing side filter clips and pulling filter up and out. See figure 4. Page 4 BOTTOM RETURN FILTER INSTALLATION REAR FILTER CLIP FURNACE sir BACK SIDE FILTER CLIPS Î^T>