Damper Torque Requirements; Air-To-Air Plate Heat Exchanger Bypass Damper - Trane CSAA Installation, Operation And Maintenance Manual

Component Installation

Damper Torque Requirements

Table 13. Mixing box damper torque requirements (inch pound) at 1-inch w.g. air pressure drop
Parallel Opposed
airfoil airfoil
Unit damper damper
Size only only
3 9.00 6.40
4 13.10 9.30
6 17.10 12.20
8 23.30 16.60
10 29.00 20.70
12 35.70 25.50
14 39.50 28.20
17 48.90 34.90
21 60.40 43.10
25 72.40 51.70
30 84.20 60.10
35 100.20 71.50
40 110.20 78.70
50 126.30 90.20
57 154.80 110.60
66 177.60 126.80
80 210.30 150.20
100 272.00 194.30
120 322.40 230.30
Table 14. Air-to-Air Plate Heat Exchanger Bypass Damper
Damper dia (in)
Unit size A
3 25.00
4 37.50
6 37.50
8 44.00
10 55.00
12 60.00
14 65.50
17 65.50
21 73.50
25 73.50
30 87.00
35 93.50
40 106.00
62
Standard Low-flow Low-flow
Traq minimum econ Traq
damper OA Traq damper
only damper only
18.00 n/a
36.00 18.00
36.00 18.00
54.00 18.00
54.00 18.00
67.50 22.50
67.50 22.50
67.50 22.50
99.00 33.00
99.00 33.00
108.00 36.00
108.00 36.00
108.00 36.00
112.50 37.50
112.50 37.50
150.00 37.50
187.50 37.50 112.50
225.00 37.50 150.00
225.00 37.50 150.00
B Damper qty
24.03 1
24.03 1
29.78 1
29.78 1
35.53 1
35.53 1
35.53 1
24.03 2
24.03 2
29.78 2
29.78 2
29.78 2
29.78 2
Parallel airfoil Opposed airfoil
damper linked damper linked
to parallel
only airfoil damper airfoil damper
n/a 10.30
18.00 14.90
18.00 19.60
36.00 26.60
36.00 33.20
45.00 40.70
45.00 45.20
45.00 55.90
66.00 69.00
66.00 82.80
72.00 96.20
72.00 114.50
72.00 125.90
75.00 144.30
75.00 176.90
75.00 202.90
240.30
310.90
368.50
Damper Actuator torque
torque (in-lb) (max) (in-lb)
20.90 42.00
31.30 42.00
38.80 180.00
45.50 180.00
67.90 180.00
74.00 180.00
80.80 180.00
109.30 180.00
122.70 180.00
152.00 180.00
179.90 180.00
193.40 180.00
219.20 180.00
Standard
Traq linked
to opposed to airfoil
damper
7.70 19.30
11.20 19.90
14.70 38.40
19.90 57.30
24.90 58.10
30.60 72.60
33.90 73.10
41.90 74.50
51.80 107.60
62.10 109.30
72.20 120.00
85.90 122.30
94.50 119.60
108.20 139.11
132.70 167.60
152.20 194.70
180.20 231.60
233.20 297.70
276.30 348.10
Actuator qty
1
1
1
1
1
1
1
1
1
1
1
2
2
CLCH-SVX07K-EN
Standard
Traq linked to
standard
Traq damper
36.00
72.00
72.00
108.00
108.00
135.00
135.00
135.00
198.00
198.00
216.00
198.00
198.00
216.00
198.00
264.00
360.00
396.00
432.00
Linkage
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes