RT-SVX24Q-EN
127
Table 53. Energy recovery wheel component static pressure drops — air-cooled and evaporative condensing —
dampers (continued)
Tons AC/EC
CFM
Return Damper,
ERW only
Econo Damper,
ERW only
120/128
21000 0.22 0.18
26000 0.32 0.27
31000 0.45 0.39
36000 0.61 0.53
41000 0.79 0.69
46000 1 0.87
51000 1.24 1.07
54000 1.4 1.2
130/140
150/162
23000 0.25 0.21
26000 0.32 0.27
30000 0.42 0.36
35000 0.57 0.5
40000 0.75 0.65
45000 0.96 0.83
50000 1.19 1.02
55000 1.45 1.24
58000 1.63 1.38
Table 54. Energy recovery wheel pressure loss ΔP (in. wg) and total effectiveness
Actual
Airflow
CFM
90-118 Tons
Low
120/128 Tons
Low
130-162 Tons
Low
90/100 Tons
Standard
105/118 Tons
Standard
120/128 Tons
Standard
130-162 Tons
Standard
ΔP Eff ΔP Eff ΔP Eff ΔP Eff ΔP Eff ΔP Eff ΔP Eff
8000 0.73 77.50 0.64 79.00 0.58 80.00 0.49 81.60 — — — — — —
9000 0.82 75.90 0.72 77.60 0.65 78.70 0.55 80.60 0.51 81.30 — — — —
10000 0.91 74.30 0.80 76.20 0.73 77.50 0.61 79.50 0.56 80.30 0.49 81.60 — —
11000 1.00 72.70 0.88 74.80 0.80 76.20 0.67 78.50 0.62 79.40 0.54 80.70 — —
12000 1.09 71.10 0.96 73.40 0.87 75.00 0.73 77.40 0.67 78.40 0.59 79.80 — —
13000 1.18 69.50 1.04 72.00 0.94 73.70 0.79 76.40 0.73 77.40 0.64 79.00 0.48 74.70
14000 — — 1.12 70.60 1.02 72.40 0.85 75.30 0.79 76.50 0.69 78.10 0.51 72.90
15000 — — 1.20 69.20 1.09 71.10 0.91 74.30 0.84 75.50 0.74 77.30 0.55 71.90
16000 — — — — 1.16 69.80 0.97 73.20 0.90 74.50 0.79 76.40 0.58 71.00
17000 — — — — 1.24 68.50 1.03 72.10 0.95 73.50 0.83 75.60 0.61 70.00
18000 — — — — — — 1.09 71.10 1.01 72.50 0.88 74.70 0.64 69.00
19000 — — — — — — 1.15 70.00 1.07 71.50 0.93 73.90 0.67 68.10
20000 — — — — — — 1.22 68.90 1.12 70.50 0.98 73.00 0.71 67.10
21000 — — — — — — — — 1.18 69.50 1.03 72.10 0.74 66.10
22000 — — — — — — — — 1.23 68.50 1.08 71.30 0.77 65.10
23000 — — — — — — — — — — 1.13 70.40 0.80 64.20
24000 — — — — — — — — — — 1.18 69.50 0.84 63.20
25000 — — — — — — — — — — 1.23 68.70 0.87 62.20
26000 — — — — — — — — — — — — 0.90 61.20
27000 — — — — — — — — — — — — 0.93 60.30
28000 — — — — — — — — — — — — 0.97 59.30
29000 — — — — — — — — — — — — 1.00 58.30
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