28
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. 25 − Leveling Legs
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. 26 − Furnace Pitch Requirements
ANY COMBINATION OF 1, 2, OR 3 PERMITTED.
A11036
Fig. 27 − Upflow Return Air Configurations and Restrictions
A11037
Fig. 28 − Downflow Return Air Configurations and
Restrictions
HORIZONTAL TOP
RETURN NOT
PERMITTED FOR
ANY MODEL
A11038
Fig. 29 − Horizontal Right Return Air Configuration and
Restrictions
912S
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