54
RT-SVX063E-EN
Table 20.
Outside Air Pressure Drop (inches w.c.) – No Traq
™
™
(continued)
No Traq
™
™
CFM
Outside Air Damper Position
100%
75%
55%
45%
33%
18000
0.25
0.49
0.73
1.03
2.00
20000
0.29
0.60
0.91
1.29
2.56
22000
0.35
0.72
1.11
1.58
-
24000
0.40
0.85
1.33
1.90
-
26000
0.47
0.99
1.57
2.24
-
28000
0.53
1.14
1.83
2.61
-
30000
0.60
1.31
2.10
-
-
Table 21.
Outside Air Pressure Drop (inches w.c.) – Traq
™
™
Traq
™
™
CFM
Outside Air Damper Position
100%
75%
55%
45%
33%
60, 70 and 75 Ton
14000
0.34
0.48
0.61
0.78
1.28
16000
0.43
0.62
0.80
1.03
1.75
18000
0.54
0.78
1.02
1.33
2.30
20000
0.66
0.96
1.27
1.65
2.92
22000
0.78
1.15
1.55
2.02
-
24000
0.92
1.37
1.85
2.42
-
26000
1.07
1.60
2.18
2.85
-
28000
1.24
1.85
2.53
-
-
30000
1.41
2.12
2.91
-
-
Table 22.
Return Air Pressure Increase (inches w.c.)
CFM
Return Air Damper Position
100%
80%
65%
45%
60, 70 and 75 Ton
14000
0.00
0.02
0.04
0.37
16000
0.00
0.03
0.06
0.53
18000
0.00
0.04
0.08
0.71
20000
0.00
0.05
0.11
0.92
22000
0.00
0.06
0.14
1.15
24000
0.00
0.07
0.17
1.41
26000
0.00
0.08
0.21
1.70
28000
0.00
0.10
0.25
-
30000
0.00
0.11
0.30
-
IIn
nsstta
alllla
attiio
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