Model dbs (single) model dbt (twin) – Twin City DBS / DBT Forward Curved Inline Duct Blowers - IM-4220 User Manual
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Twin City IM-4220
Model DBS (Single)
Model DBT (Twin)
MOUNTING BRACKETS MAY
BE MOUNTED ON TOP OR
BOTTOM OF FAN
B
A
J
C
K
F
1.50
2.00
H
G
D SQ.
E
4X 0.53
D-4220-1
Notes:
1. All figures are in inches unless noted otherwise.
2. Average ship weight is for fan and motor assembly.
3. Dimensions are not to be used for construction.
MODEL
DBS
A
B
C
D
SQ.
E
F
G
H
J
K
MAX
FRAME
DAMPER
SIZE, SQ.
AVG. SHIP
WT. (LBS.)
080
16.13
18.38
23.31
10.53
15.38
13.13
20.43
20.13
1.31
1.00
145T
10.50
57
090
18.00
20.63
24.31
11.78
17.63
15.00
22.68
21.13
1.31
1.00
145T
11.75
65
100
19.69
22.25
28.31
13.12
19.25
16.69
24.31
24.88
1.31
1.00
184T
13.13
77
120
25.25
28.75
33.81
16.38
25.75
21.25
30.81
30.38
1.31
1.00
184T
16.38
129
140
27.50
32.39
34.09
18.31
28.38
23.50
34.43
30.00
1.63
1.50
184T
18.25
151
160
30.75
36.25
38.09
20.44
32.25
26.75
38.31
34.00
1.63
1.50
184T
20.44
180
180
34.88
41.00
43.09
22.88
37.00
30.88
43.06
39.00
1.63
1.63
215T
22.88
226
200
38.63
45.38
47.59
25.59
41.38
34.63
47.43
43.38
1.63
2.00
256T
25.63
261
Notes:
1. All figures are in inches unless noted otherwise.
2. Average ship weight is for fan and motor assembly.
3. Dimensions are not to be used for construction.
4. Damper quantity is two.
MOUNTING BRACKETS MAY
BE MOUNTED ON TOP OR
BOTTOM OF FAN
B
A
J
C
2.00
H
G
D SQ.
4X 0.53
L
2X E
2X F
K
M
N
D-4220-2
MODEL
DBT
A
B
C
D
SQ.
E
F
G
H
J
K
L
MAX
FRAME
DAMPER
SIZE, SQ.
AVG. SHIP
WT. (LBS.)
080
17.88
36.69
23.31
10.53
15.38
13.13
38.75
20.13
7.31
18.31
1.00
145T
10.50
97
090
19.75
41.19
24.31
11.78
17.63
15.00
43.25
21.13
8.00
20.56
1.00
145T
11.75
115
100
21.44
44.50
28.31
13.12
19.25
16.69
46.50
24.88
8.63
22.19
1.00
184T
13.13
143
120
27.00
57.50
33.81
16.38
25.75
21.25
59.50
30.38
10.38
28.69
1.00
184T
16.38
242
140
29.25
64.75
34.09
18.31
28.38
23.50
66.75
30.00
11.63
32.31
1.50
184T
18.25
270
160
32.50
72.50
38.09
20.44
32.25
26.75
74.50
34.00
12.75
36.19
1.50
215T
20.44
322
180
36.63
82.00
43.09
22.88
37.00
30.88
84.00
39.00
14.06
40.94
1.63
215T
22.88
413
200
40.38
90.75
47.59
25.59
41.38
34.63
92.75
43.38
15.44
45.31
2.00
286T
25.63
523