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Table 37. Operating pressures in cooling/heating for EX* units (continued)
Entering
Water
Temp
Model
Entering
Water
Temp (°F)
EXV/H070
EXV/H070
Water Pressure Drop
Use the following tables to define feet of head/pressure
drop. Please note the feet of pressure (ft/head) provided is
at AHRI/ISO standard.
To calculate feet of head, when using gauges that read in
PSIG, multiply PSI by 2.31.
Table 38. Cooling water pressure drop (WPD) in feet
of head for DX* units
Unit Size
EWT °F
DXV/H024
86
DXV/H036
86
DXV/H048
86
DXV/H060
86
DXV/H070
86
Table 39. Cooling water pressure drop (WPD) in feet
of head for EX* units
Unit Size (60
EWT °F
Hz)
EXV/H009
86
EXV/H012
86
EXV/H015
86
EXV/H018
86
EXV/H024
86
EXV/H030
86
EXV/H036
86
EXV/H042
86
EXV/H048
86
EXV/H060
86
EXV/H070
86
WSHP-SVX014J-EN
Water
Suction
Flow
Pressure
(GPM)
(psig)
95
14.00
145-167
95
17.50
145-167
GPM
Ft. Pressure
6.0
3.0
9.0
6.0
12.0
6.4
15.0
11.2
17.5
9.4
GPM
Ft. Pressure
2.3
3.4
3.0
5.9
3.8
8.2
4.5
1.9
6.0
3.0
7.5
4.1
9.0
5.8
10.5
4.9
12.0
5.9
15.0
10.6
17.5
9.3
Operating Data
Cooling
Discharge
Water
Air Temp
Pressure
Temp Rise
Drop (°F
(pgig)
(°F)
DB)
337-429
10-12
21-26
331-421
8-10
21-26
Table 40. Heating water pressure drop (WPD) in feet
of head for DX* units
Unit Size
DXV/H024
DXV/H036
DXV/H048
DXV/H060
DXV/H070
Table 41. Heating water pressure drop (WPD) in feet
of head for EX* units
Unit Size (60
Hz)
EXV/H009
EXV/H012
EXV/H015
EXV/H018
EXV/H024
EXV/H030
EXV/H036
EXV/H042
EXV/H048
EXV/H060
EXV/H070
Heating
Suction
Discharge
Water
Pressure
Pressure
Temp
(psig)
(psig)
Drop (°F)
—
—
—
—
—
—
EWT °F
GPM
68
6.0
68
9.0
68
12.0
68
15.0
68
17.5
EWT °F
GPM
68
2.3
68
3.0
68
3.8
68
4.5
68
6.0
68
7.5
68
9.0
68
10.5
68
12.0
68
15.0
68
17.5
Start-Up
Air Temp
Rise (°F
DB)
—
—
Ft. Pressure
3.3
6.3
6.6
12.0
10.0
Ft. Pressure
3.7
6.4
8.8
2.0
3.2
4.5
6.1
5.1
6.2
11.4
9.9
59
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