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882108-YIM-B-1012
Johnson Controls Unitary Products 69
NOTE: Water pressure drop numbers are based on 60°F
entering air temperature, 2.00” maximum air pres-
sure drop across the hot water coil(s). AHRI certi-
fied ratings at covering other conditions are
available upon request. Hot water coils are
approved for use with glycol (rates available upon
request.
TABLE 55: WATER PRESSURE DROP (2 ROW, 25 &
30 TON)
GPM 20 40 60 80
Water
Pressure
Drop
0.9 3.0 6.0 10.0
TABLE 56: WATER PRESSURE DROP (2 ROW, 40
TON)
GPM 20 40 60 80
Water
Pressure
Drop
0.9 3.0 6.0 10.0
TABLE 57: STATIC RESISTANCE HOT WATER COIL
(25 & 30 TON)
CFM 6000 8000 10000 15000
Air Pressure
Drop 1 Row
0.07 0.11 0.16 0.32
Air Pressure
Drop 2 Row
0.14 0.23 0.33 0.65
TABLE 58: STATIC RESISTANCE HOT WATER COIL
(40 TON)
CFM 8000 11000 14000 20000
Air Pressure
Drop 1 Row
0.11 0.19 0.29 0.52
Air Pressure
Drop 2 Row
0.23 0.39 0.58 1.06