Millennium Enterprises Z42 User Manual
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.
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