036-21217-001-B-1203
Unitary Products Group 13
TABLE 11: COOLING PERFORMANCE DATA - CU 300 25 TON VERTICAL MODELS
TABLE 12: WATER-SIDE ECONOMIZER COOLING PERFORMANCE DATA - CH 5-10 TON MODELS
UNIT
Air @ 80
O
F EDB, 67
O
F EWB
Water Capacity [MBH]
CFM PD [in WG] Flow [GPM] PD [PSI]
EWT [
O
F]
Total Sensible
CH060 2000 0.16
9 1.4
45 50.8 39.9
55 31.4 31.4
15 3.8
45 64.5 45.0
55 35.0 35.0
CH096 3200 0.14
15 1.4
45 87.4 66.5
55 52.7 52.7
24 3.4
45 107.1 73.8
55 60.5 57.0
CH120 4000 0.21
18 1.9
45 104.6 80.3
55 63.0 63.0
30
5.2
45 127.3 88.6
55 68.9 68.9
NOTE:
1. All economizer coils are 3R, 10 FPI, aluminum fins with copper tubes and headers.
2. For total system waterside pressure drop, add condenser pressure drop and waterside economizer coil pressure drop.
GPM
CU300 45 75
25 TON EWT EWT
65∞F85∞F 105∞F65∞F85∞F 105∞F
EWB EDB TC SC kW TC SC kW TC SC kW TC SC kW TC SC kW TC SC kW
75∞F 308.9 227.9 22.17 289.6 217.8 25.74 266.8 206.5 30.41 314.6 234.0 21.29 295.4 220.9 24.67 273.2 213.3 29.09
62∞F80∞F 308.9 267.2 22.17 289.6 257.1 25.74 266.8 246.2 30.41 314.6 275.2 21.29 295.4 260.2 24.67 273.2 255.1 29.09
85∞F 308.9 308.9 22.17 289.6 257.1 25.74 266.8 266.8 30.41 314.6 314.6 21.29 295.4 295.4 24.67 273.2 273.2 29.09
75∞F 335.8 180.6 22.74 314.8 171.2 26.32 290.4 161.4 31.09 342.0 183.3 21.73 321.6 175.9 25.14 298.2 166.7 29.57
67∞F80∞F 335.8 220.9 22.74 314.8 211.2 26.32 290.4 201.2 31.09 342.0 223.3 21.73 321.6 218.0 25.14 298.2 208.4 29.57
85∞F 335.8 260.9 22.74 314.8 251.2 26.32 290.4 241.3 31.09 342.0 263.6 21.73 321.6 259.8 25.14 298.2 250.5 29.57
75∞F 363.7 133.1 23.33 340.6 125.3 26.96 316.5 118.3 31.78 372.5 135.9 22.22 350.4 128.5 25.67 325.7 121.1 30.05
72∞F80∞F 363.7 174.2 23.33 340.6 166.2 26.96 316.5 159.5 31.78 372.5 178.0 22.22 350.4 170.3 25.67 325.7 162.5 30.05
85∞F 363.7 215.6 23.33 340.6 207.0 26.96 316.5 200.9 31.78 372.5 219.7 22.22 350.4 211.9 25.67 325.7 204.2 30.05
10000 CFM
TABLE 13: WATER-SIDE ECONOMIZER COOLING PERFORMANCE DATA - CU 300 25 TON MODEL
CFM PD [in WG] Flow [GPM]
PD [PSI] EWT [
o
F] Total Sensible
45 265.2 200.0
55 155.0 155.0
45 317.0 219.1
55 181.5 170.6
NOTE: All economizer coils are 3R, 10FPI, aluminum fins with copper tubes and headers.
For total system water-side pressure drop, add condenser pressure drop and water-side economizer coil
pressure drop.
3.0
75 8.4
CU300
10000 0.39
45
UNIT
Air @ 80
o
F EDB, 67
o
F EW B
Water
Capacity [MBH]
