Trane IntelliPak 2 Installation, Operation And Maintenance Manual page 109

Table 49. Energy recovery wheel component static pressure drops — dampers (continued)
Tons CFM
23000
26000
30000
35000
130-150 40000
45000
50000
55000
58000
Table 50. Energy recovery wheel pressure loss ΔP (in. wg) and total effectiveness
90-105 Tons
Actual
Low
Airflow
CFM
ΔP Eff
8000 0.73 77.50
9000 0.82 75.90
10000 0.91 74.30
11000 1.00 72.70
12000 1.09 71.10
13000 1.18 69.50
14000 — —
15000 — —
16000 — —
17000 — —
18000 — —
19000 — —
20000 — —
21000 — —
22000 — —
23000 — —
24000 — —
25000 — —
26000 — —
27000 — —
28000 — —
29000 — —
RT-SVX073A-EN
Return Damper,
ERW only
0.25
0.32
0.42
0.57
0.75
0.96
1.19
1.45
1.63
120 Tons
130-150 Tons Low
Low
ΔP Eff ΔP Eff
0.64 79.00 0.58 80.00
0.72 77.60 0.65 78.70
0.80 76.20 0.73 77.50
0.88 74.80 0.80 76.20
0.96 73.40 0.87 75.00
1.04 72.00 0.94 73.70
1.12 70.60 1.02 72.40
1.20 69.20 1.09 71.10
— — 1.16 69.80
— — 1.24 68.50
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
Econo Damper,
ERW only
0.21
0.27
0.36
0.5
0.65
0.83
1.02
1.24
1.38
90 Tons Standard 105 Tons Standard 120 Tons Standard
ΔP Eff ΔP
0.49 81.60 —
0.55 80.60 0.51
0.61 79.50 0.56
0.67 78.50 0.62
0.73 77.40 0.67
0.79 76.40 0.73
0.85 75.30 0.79
0.91 74.30 0.84
0.97 73.20 0.90
1.03 72.10 0.95
1.09 71.10 1.01
1.15 70.00 1.07
1.22 68.90 1.12
— — 1.18
— — 1.23
— — —
— — —
— — —
— — —
— — —
— — —
— — —
Unit Startup
130-150 Tons
Eff ΔP Eff ΔP
— — —
81.30 — —
80.30 0.49 81.60
79.40 0.54 80.70
78.40 0.59 79.80
77.40 0.64 79.00 0.48
76.50 0.69 78.10 0.51
75.50 0.74 77.30 0.55
74.50 0.79 76.40 0.58
73.50 0.83 75.60 0.61
72.50 0.88 74.70 0.64
71.50 0.93 73.90 0.67
70.50 0.98 73.00 0.71
69.50 1.03 72.10 0.74
68.50 1.08 71.30 0.77
— 1.13 70.40 0.80
— 1.18 69.50 0.84
— 1.23 68.70 0.87
— — — 0.90
— — — 0.93
— — — 0.97
— — — 1.00
Standard
Eff
— —
— —
— —
— —
— —
74.70
72.90
71.90
71.00
70.00
69.00
68.10
67.10
66.10
65.10
64.20
63.20
62.20
61.20
60.30
59.30
58.30
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