Bryant 987MA Installation, Start-Up, Operating And Service And Maintenance Instructions page 26

PERFORATED
DISCHARGE DUCT
FLANGE
5/ 16

(8mm)
(8mm)
5/ 16

1 3 /

4
(44mm)
1
(44mm)
(8mm)
5 /

16
(8mm)
5/ 16
(44mm) 1 3/ 4

1 3/ 4

(44mm)
Fig. 20 - - Leveling Legs
LEVEL 0-IN. (0 MM) TO
1/2-IN. (13 MM) MAX
UPFLOW
90°
YES
YES
120°
MIN
NO
Fig. 19 - - Duct Flanges
3
/

4

A89014
MIN 1/4-IN. (6 MM) TO
1/2-IN. (13 MM) MAX
UPFLOW OR
DOWNFLOW
Fig. 22 - - Furnace Pitch Requirements
DOWNFLOW
YES
YES
120°
MIN
NO
BOTTOM PLATE
Fig. 21 - - Removing Bottom Closure Panel
HORIZONTAL
26
HORIZONTAL
90°
YES
YES
120°
MIN
NO
A10493
BOTTOM
CLOSURE
PANEL
A11092
A11237