882108-YIM-B-1012
68 Johnson Controls Unitary Products
TABLE 51: HOT WATER COIL (1 ROW, 40 TON)1
1. Based on 60°F entering air temperature, 2.00” maximum
pressure drop across the hot water coil.
GPM CFM
Capacity (MBH) at Entering Water
Temperature
140 °F 160 °F 180 °F 200 °F
10
8000 102 128.8 155.8 182.9
11000 114 144.1 174.4 205.1
14000 123.2 155.9 188.8 222.1
17000 130.6 165.4 200.4 235.8
20000 136.8 173.3 210.1 247.3
20
8000 116.8 147 177.2 207.7
11000 133.2 167.7 202.3 237.2
14000 146.2 184.2 222.4 260.8
17000 157 197.9 239 280.5
20000 166.2 209.6 253.2 297.3
30
8000 122.8 154.3 185.8 217.5
11000 141.2 177.4 213.8 250.3
14000 155.9 196.1 236.4 276.9
17000 168.3 211.8 255.4 299.3
20000 179.1 225.3 271.8 318.6
40
8000 126.1 158.2 190.5 222.8
11000 145.6 182.7 220 257.5
14000 161.4 202.6 244.1 285.8
17000 174.7 219.5 264.5 309.7
20000 186.3 234.2 282.3 330.6
TABLE 52: WATER PRESSURE DROP (1 ROW , 25 & 30 TON)
GPM 10 20 30 40
Water
Pressure
Drop 0.9 3.0 6.0 10.0
TABLE 53: WATER PRESSURE DROP (1 ROW, 40 TONS)
GPM 10 20 30 40
Water
Pressure
Drop 0.9 3.0 6.0 10.0
TABLE 54: HOT WATER COIL (2 ROW, 25 & 30
TON)1
1. Based on 60°F entering air temperature, 2.00” maximum
pressure drop across the hot water coil.
GPM CFM
Capacity (MBH) at Entering Water
Temperature
140 °F 160 °F 180 °F 200 °F
20
6000 177.5 223.8 270.4 317.3
8000 203.8 257.2 311.1 365.5
10000 224.8 284.1 343.9 404.2
12000 242.2 306.4 371.1 436.4
15000 263.6 333.8 404.6 476.1
40
6000 198.1 248.9 300.0 351.3
8000 232.2 292.0 352.2 412.7
10000 260.7 328.1 395.9 464.1
12000 285.0 359.0 433.4 508.3
15000 316.0 398.4 481.3 564.8
60
6000 206.1 258.7 311.4 364.2
8000 243.6 305.9 368.4 431.1
10000 275.3 345.9 416.8 488.0
12000 302.9 380.7 458.9 537.6
15000 338.4 425.7 513.4 601.7
80
6000 210.5 263.9 317.4 371.1
8000 249.8 313.3 377.1 441.1
10000 283.3 355.6 428.2 501.0
12000 312.7 392.7 473.0 553.6
15000 351.0 440.9 531.3 622.1