Operating instructions

Pub. No. 18-HE56D1-9 25
Installer's Guide
DOWNFLOW FURNACE MODEL NUMBERS
ifD Air Cleaner A B (multiple
piece cabinet)
B (one piece
cabinet)
*FD14DALUPGRDC 14.5 11.9 12
*FD17DALUPGRDC 17.5 14.9 15
*FD21DALUPGRDC 21.0 18.4 18.5
*FD24DALUPGRDC 24.5 21.9 22
* May be "A" or "T"
OUTLINE DRAWING FOR DOWNFLOW FURNACES
21” CABINET DEPTH
ADD DOOR DEPTH FOR TOTAL
7-7/16
1/8
1/8
A
B
21
18-13/16
Front
of
Cabinet
Side View
2.8”
DIMENSIONS