Water Pressure Drop - Trane GEHE 072-180 Installation, Operation And Maintenance Manual

Start-Up
Table 54. Operating pressures in cooling/heating for EX* units (60 Hz) (continued)
Entering Water
water flow
Model temp (ºF) (GPM)
EXV*060 35 14.0
EXV*060 45 11.6
EXV*060 45 14.0
EXV*060 55 11.6
EXV*060 55 14.0
EXV*060 68 11.6
EXV*060 68 14.0
EXV*060 75 11.6
EXV*060 75 14.0
EXV*060 86 11.6
EXV*060 86 14.0
EXV*060 95 11.6
EXV*060 95 14.0
EXV*070 35 12.32
EXV*070 35 15.4
EXV*070 45 12.32
EXV*070 45 15.4
EXV*070 55 12.32
EXV*070 55 15.4
EXV*070 68 12.32
EXV*070 68 15.4
EXV*070 75 12.32
EXV*070 75 15.4
EXV*070 86 12.32
EXV*070 86 15.4
EXV*070 95 12.32
EXV*070 95 15.4

Water Pressure Drop

Table 55, p. 108 should be used to define feet of head/
pressure drop. Please note the feet of pressure (ft/head)
provided is at ARI/ISO standard.
To calculate feet of head, when using gauges that read in
PSIG, multiply PSI by 2.31.
Table 55. Cooling water pressure drops (WPD) in feet of
head for GE* units - .5- 6 ton
Unit Size Unit Size
(60 Hz) (50 Hz)
GEH006 —
GEH009 GEH006
GEH012 GEH009
GEH015 GEH012
GEH018 GEH015
GEH024 GEH018
GEH030 GEH024
108
Cooling
Suction Discharge
pressure pressure
(psig) (psig)
— —
132-152 169-219
132-152 164-212
133-153 197-254
133-153 192-247
135-156 235-303
135-156 229-296
136-157 260-335
136-157 253-326
138-159 302-388
138-159 295-379
140-161 339-436
140-161 332-427
— —
— —
131-150 166-216
131-150 160-208
131-151 194-252
131-151 188-243
133-153 235-303
133-153 228-294
134-154 259-335
134-154 252-325
136-156 297-384
136-156 289-374
137-158 335-432
137-158 327-422
EWT °F GPM Pressure
86 1.8
86 2.1
86 2.8
86 3.5
86 4.2
86 5.6 13.2
86 7.0 11.1
Operating Data
Water Air temp
temp rise drop
(ºF) (ºF DB)
— —
12-15 21-27
10-13 21-26
12-15 20-26
10-12 21-26
12-15 20-26
10-12 20-26
11-14 20-25
9-12 20-26
11-14 20-25
9-12 20-25
11-14 19-24
9-12 19-25
— —
— —
12-15 21-27
10-12 21-27
12-15 21-27
10-12 21-27
12-15 20-26
9-12 21-26
12-15 20-26
9-12 20-26
11-15 20-25
9-12 20-25
11-14 19-25
9-12 19-25
Table 55. Cooling water pressure drops (WPD) in feet of
head for GE* units - .5- 6 ton (continued)
Unit Size Unit Size
(60 Hz) (50 Hz)
—
GEH035
GEH042
GEH048
GEH060
Ft.
—
GEH072
3.9
GEH090
3.7
GEH120
3.8
GEH150
5.4
GEH180
6.8
GEV006
GEV009
Heating
Suction Discharge Water
pressure pressure Temp drop
(psig) (psig)
90-104 301-379
104-120 324-406
106-122 325-407
121-139 343-430
124-142 344-432
146-168 377-472
150-172 380-476
161-185 394-493 10-13
165-190 398-499
186-214 424-532 12-15
192-221 429-538 10-12
— —
— —
86-100 294-371
88-102 296-373
101-117 320-401
104-119 322-404
118-136 338-424
121-139 340-427
142-164 374-467
146-168 376-470
157-180 389-487 10-13
162-186 393-492
181-209 417-523 12-15
188-216 422-529
— —
— —
EWT °F GPM
GEH030 86 8.4
— 86 8.4
GEH036 86 9.8
GEH042 86 11.2
GEH048 86 14.0
GEH060 86 14.0
— 86 18.0
GEH072 86 22.5
GEH090 86 30.0
GEH120 86 37.5
GEH150 86 45.0
— 86 1.8
GEV006 86 2.1
Air temp
rise
(ºF) (ºF DB)
5-6 21-27
7-9 24-31
6-7 24-31
8-10 27-35
7-8 28-35
9-12 31-40
8-10 32-40
33-42
9-11 34-43
36-45
36-46
— —
— —
6-7 20-26
5-6 21-26
7-9 23-29
6-7 24-30
8-10 26-33
6-8 27-34
9-12 31-39
8-10 31-40
33-42
8-11 34-43
37-47
9-12 38-48
— —
— —
Ft.
Pressure
11.5
5.7
13.6
6.8
12.3
11.4
12.0
13.8
14.1
13.4
18.2
3.0
3.9
WSHP-SVX01Q-EN