Tempstar F9MAE - Page 25

INSTALLATION INSTRUCTIONS Gas Furnace: (F/G)9MAE
440 01 4300 02 25
Specifications subject to change without notice.
Figure 26
Downflow Return Air
Configurations and Restrictions
L10F033
Figure 27
Upflow Return Air Configurations
and Restrictions
L10F032
Figure 28
Horizontal Return Air
Configurations and Restrictions
HORIZONTAL TOP
RETURN NOT
PERMITTED FOR
ANY MODEL
SIDE RETURN AIR NOT PERMITTED FOR 2000 CFM AND ABOVE OF AIR
FLOW
L10F034
External Filter Cabinet Configurations
Figure 29 Accessory Side Filter Rack
TABS
FILTER
FRAME
FILTER
DOOR
FURNACE
L10F027
OPENING
TABS
(TYP.)
OPENING
1
1
4”
/
23 ⅛”
(59 cm)
25 ⅛”
(64 cm)
⅜”
(1 cm)
½”
(1.3 cm)
2 ⅜”
(6 cm
)
17 ⅛”
(43.5 cm)
¾”
(2 cm)
16 ⅛”
(41 cm
)
14 ½”
(37 cm)
L12F023
1 ¼”
(3 cm)
(3 cm)