26
UPFLOW
DOWNFLOW
HORIZONTAL
YES
NO
NO
YES
YES
YES
NO
120
°
MIN
YES
120
°
MIN
YES
120
°
MIN
90
°
90
°
PERFORATED
DISCHARGE DUCT
FLANGE
A10493
Fig. 21 -- Duct Flanges
1
3
/
4
1
3
/
4
1
3/
4
1
3/
4
5/
16
5
/
16
5/
16
5/
16
(44mm)
(8mm)
(44mm)
(8mm)
(8mm)
(8mm)
(44mm)
(44mm)
A89014
Fig. 22 -- Leveling Legs
BOTTOM PLATE
BOTTOM
CLOSURE
PANEL
A11092
Fig. 23 -- Removing Bottom Closure Panel
LEVEL 0-IN. (0 MM) TO
1/2-IN. (13 MM) MAX
UPFLOW OR
DOWNFLOW
HORIZONTAL
MIN 1/4-IN. (6 MM) TO
1/2-IN. (13 MM) MAX
A11237
Fig. 24 -- Furnace Pitch Requirements
59SC
5
A