INSTALLATION INSTRUCTIONS
Gas Furnace: (F/G)MAC
24
440 01 4201 01
Specifications subject to change without notice.
External Filter Cabinet Configurations
Figure 29
Accessory Side Filter Rack
TABS
FILTER
FRAME
FILTER
DOOR
FURNACE
L10F027
OPENING
TABS
(TYP.)
3
4”
/
OPENING
14
1
2”
/
16
1
8”
/
2
3
8”
/
1
2”
/
3
8”
/
1
1
4”
/
1
1
4”
/
25
1
8”
/
17
1
8”
/
23
1
8”
/
Figure 30
Accessory Bottom Filter Rack
L10F031
B
A
28
−
7/16
(722.2)
22
−
5/16
(566.4)
2
−
3/16
(55.5)
A
Table 7
Dimensional Drawing
−
inch (mm)
KIT NO.
FURNACE
WIDTH
A
B
NAHB00601FF
17
−
1/2
(444.5)
14
−
5/8
(371.5)
17
−
5/8
(447.7)
NAHB00701FF
21
(533.4)
18
−
1/8
(460.4)
21
−
1/8
(536.6)
NAHB00801FF
24
−
1/2
(622.3)
21
−
5/8
(549.3)
24
−
5/8
(625.5)