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Drain Pan Installation
IMPORTANT: Drain pan installation is for 18,000 BTU/hr, chassis height 47 inches units only.
STEP 1
Cut Opening in Bottom Rubber Seal
Remove an 8-1/4” portion of the rubber weather seal from the bottom left surface of the plenum.
To remove: Cut the bottom seal in the lower left corner of the plenum. Then make a second cut 8-1/4” from the left
corner of the plenum. Remove the 8-1/4” section of the rubber seal. The seal should peel away from the plenum leaving
a clean mounting surface. (See Figure 1.)
Bottom Seal
Cut and Remove
8-1/4” of bottom
rubber seal
2
Figure 1
Cut gasket
straight down
Cut gasket at a
45° angle into
the left corner
of the plenum.
8-1/4”
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