92
A
A
A
DETAIL 3
FACE VIEW
B
A
B
A
A
B
A
A
A
DETAIL 2
FACE VIEW
DETAIL 1
FACE VIEW
DETAIL 4
FACE VIEW
AIR
FLOW
RIGHT SIDE VIEW
STANDARD
BLADES
TO OPEN
BRACKET
SECTION A-A
1-in. JACKSHAFT
STANDARD DAMPER
1 1/2
AIRFOIL
BLADES
TO OPEN
BRACKET
1
5
AIRFOIL
BLADES
TO OPEN
BRACKET
SECTION A-A
1-in. JACKSHAFT
PREMIUM DAMPER
SECTION A-A
1/2-in. JACKSHAFT
PREMIUM DAMPER
B
1 1/2”
5”
1”
BRACKET
TO OPEN
SECTION A-A
1/2-in. JACKSHAFT
STANDARD DAMPER
3
A39-2972
NOTE: All dimensions in inches
unless otherwise noted.
A
B
Fig. 36 —
Mixing Box, Filter Mixing Box, Exhaust Box and External Bypass Damper Details
a39-4333
MIXING BOX, EXHAUST BOX, AND EXTERNAL BYSPASS DAMPER DETAILS
39M UNIT
SIZE
DETAIL
(SECTIONS)
A
(WIDTH)
B
(HEIGHT)
JACKSHAFT
DIAMETER (In.)
03W
1
25.75
10.75
1
/
2
06W
1
38.75
14.00
1
/
2
07T
1
31.75
20.00
1
/
2
08W
1
46.75
14.00
1
/
2
09T
1
34.75
20.00
1
10W
1
59.75
14.00
1
11T
1
37.75
26.00
1
12T
1
40.75
26.00
1
12W
1
59.75
14.00
1
14W
2
64.75
16.75
1
16T
1
43.75
26.00
1
17W
2
71.75
16.75
1
18T
1
46.75
26.00
1
21W
2
71.75
20.00
1
22T
2
52.75
32.00
1
25W
2
78.75
20.00
1
25T
2
54.25
38.00
1
30W
2
96.75
20.00
1
30T
2
64.75
38.00
1
35T
2
72.75
38.00
1
36W
3
101.75
29.00
1
37T
2
64.75
38.00
1
40W
3
101.75
32.00
1
42T
2
72.75
44.00
1
50W
3
109.75
35.00
1
51T
2
86.25
44.00
1
58T
2
86.25
44.00
1
61W
3
109.75
44.00
1
72W
3
113.00
46.00
1
85W
3
132.00
46.00
1
96W
3
132.00
52.00
1
110W
4
150.00
52.00
1
SIDE DAMPER DETAILS
39M UNIT
SIZE
DETAIL
(SECTIONS)
A (WIDTH)
B (HEIGHT)
JACKSHAFT
DIAMETER (In.)
03W
1
14
18
1
/
2
06W
1
20
26
1
/
2
07T
2
49
14
1
08W
1
20
29
1
/
2
09T
2
46
20
1
10W
1
26
29
1
11T
2
55
20
1
12T
2
55
20
1
12W
1
26
36
1
14W
1
32
36
1
16T
2
64
20
1
17W
2
32
39
1
18T
2
67
20
1
21W
2
32
49
1
22T
2
73
26
1
25W
2
38
49
1
25T
3
78
26
1
30W
2
44
49
1
30T
3
78
32
1
35T
3
81
38
1
36W
2
50
60
1
37T
3
97
32
1
40W
2
50
66
1
42T
3
96
38
1
50W
2
56
76
1
51T
3
96
38
1
58T
3
109
38
1
61W
3
56
91
1
72W
3
50
102
1
85W
3
58
102
1
96W
3
58
115
1
110W
4
66
115
1