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35
Table 21 — Typical 50PTH,PTV,PTD038 Unit Operating Pressures and Temperatures
LEGEND
Table 22 — Typical 50PTH,PTV,PTD049 Unit Operating Pressures and Temperatures
LEGEND
Table 23 — Typical 50PTH,PTV,PTD064,072 Unit Operating Pressures and Temperatures
LEGEND
ENTERING
WATER
TEMP (F)
(EWT)
WATER
FLOW
(Gpm/Ton)
FULL LOAD COOLING WITHOUT HWG ACTIVE
FULL LOAD HEATING WITHOUT HWG ACTIVE
Suction
Pressure
(psig)
Discharge
Pressure
(psig)
Super-
heat
(F)
Sub-
cooling
(F)
Water
Temp
Rise
(F)
Air
Temp
Drop (F)
DB
Suction
Pressure
(psig)
Discharge
Pressure
(psig)
Super-
heat
(F)
Sub-
cooling
(F)
Water
Temp
Drop
(F)
Air
Temp
Rise (F)
DB
30
1.5
120-130
156-176
25-30
9-14
22.1-24.1
18-24
69- 79
293-313
7-12
14-19
8.9-10.9
17-23
2.25
119-129
148-168
25-30
8-13
16.8-18.8
19-25
73- 83
297-317
7-12
14-19
6.7- 8.7
18-24
3
119-129
138-158
25-30
8-13
10.5-12.5
19-25
76- 86
300-320
7-12
14-19
4.5- 6.5
19-25
50
1.5
129-139
225-245
15-20
10-15
21.9-23.9
18-24
96-106
322-342
10-15
17-22
12.2-14.2
23-29
2.25
128-138
211-231
15-20
9-14
16.1-18.1
19-25
100-110
326-346
10-15
17-22
9.3-11.3
24-30
3
128-138
197-217
15-20
9-14
10.3-12.3
19-25
105-115
331-351
10-15
17-22
6.4- 8.4
24-30
70
1.5
136-146
302-322
9-14
13-18
21.5-23.5
18-24
123-133
352-372
11-16
19-24
15-17
28-35
2.25
135-145
283-303
9-14
12-17
15.8-17.8
19-25
129-139
358-378
11-16
19-24
11.6-13.6
29-36
3
135-145
265-285
9-14
12-17
10.0-12.0
19-25
135-145
364-384
11-16
19-24
8.2-10.2
30-37
90
1.5
140-150
390-410
7-12
13-18
20.5-22.5
17-23
157-167
390-410
13-18
18-23
21-23
36-44
2.25
140-150
369-389
8-13
8-13
14.9-16.9
17-23
169-179
399-419
13-18
16.5-21.5 15.5-17.5
37-45
3
140-150
349-369
8-13
8-13
9.3-11.3
17-23
181-191
408-428
14-19
15-20
10.5-12.5
39-47
110
1.5
145-155
488-508
7-12
13-18
19.0-21.0
17-23
—
—
—
—
—
—
2.25
145-155
467-487
8-13
8-13
14.0-16.0
17-23
—
—
—
—
—
—
3
145-155
447-467
8-13
8-13
9.0-11.0
17-23
—
—
—
—
—
—
DB
—
Dry Bulb
HWG
—
Hot Water Generator
—
—
No heating operation in this temperature range
ENTERING
WATER
TEMP (F)
(EWT)
WATER
FLOW
(Gpm/Ton)
FULL LOAD COOLING WITHOUT HWG ACTIVE
FULL LOAD HEATING WITHOUT HWG ACTIVE
Suction
Pressure
(psig)
Discharge
Pressure
(psig)
Super-
heat
(F)
Sub-
cooling
(F)
Water
Temp
Rise
(F)
Air
Temp
Drop (F)
DB
Suction
Pressure
(psig)
Discharge
Pressure
(psig)
Super-
heat
(F)
Sub-
cooling
(F)
Water
Temp
Drop
(F)
Air
Temp
Rise (F)
DB
30
1.5
112-122
187-207
22-27
14-19
20.7-22.7
18-24
66- 76
286-306
7-12
8-13
8-10
18-24
2.25
111-121
167-187
22-27
12-17
15.5-17.5
18-24
69- 79
289-309
7-12
9-14
6- 8
19-25
3
111-121
147-167
23-28
11-16
10.2-12.2
18-24
72- 82
292-312
7-12
9-14
4- 6
19-25
50
1.5
125-135
242-262
13-18
10-15
20.9-22.9
19-25
93-103
314-334
8-13
10-15
11.5-13.5
23-29
2.25
123-133
224-244
13-18
9-14
15.6-17.6
19-25
98-108
320-340
8-13
10-15
8.7-10.7
24-30
3
122-132
205-225
14-19
7-12
10.2-12.2
19-25
103-113
326-346
8-13
10-15
5.9- 7.9
25-31
70
1.5
133-143
310-330
8-13
8-13
20.5-22.5
19-25
123-133
344-364
9-14
9-14
15-17
28-35
2.25
132-142
290-310
8-13
7-12
15.2-17.2
19-25
130-140
354-374
9-14
9-14
11.5-13.5
29-36
3
131-141
270-290
9-14
5-10
9.9-11.9
19-25
137-147
361-381
9-14
9-14
7.9- 9.9
30-37
90
1.5
138-148
396-416
7-12
7-12
19.2-21.2
18-24
165-175
390-410
13-18
8-13
19.6-21.6
37-45
2.25
137-147
374-394
7-12
6-11
14.3-16.3
18-24
175-185
401-421
15-20
8-13
15-17
38-46
3
136-146
352-372
7-12
4- 9
9.3-11.3
18-24
185-195
413-433
17-22
8-13
10.3-12.3
39-47
110
1.5
144-154
497-517
7-12
5-10
18.0-20.0
17-23
—
—
—
—
—
—
2.25
143-153
472-492
7-12
4- 9
13.3-15.3
17-23
—
—
—
—
—
—
3
142-152
447-467
7-12
3- 8
8.5-10.5
17-23
—
—
—
—
—
—
DB
—
Dry Bulb
HWG
—
Hot Water Generator
—
—
No heating operation in this temperature range
ENTERING
WATER
TEMP (F)
(EWT)
WATER
FLOW
(Gpm/Ton)
FULL LOAD COOLING WITHOUT HWG ACTIVE
FULL LOAD HEATING WITHOUT HWG ACTIVE
Suction
Pressure
(psig)
Discharge
Pressure
(psig)
Super-
heat
(F)
Sub-
cooling
(F)
Water
Temp
Rise
(F)
Air
Temp
Drop (F)
DB
Suction
Pressure
(psig)
Discharge
Pressure
(psig)
Super-
heat
(F)
Sub-
cooling
(F)
Water
Temp
Drop
(F)
Air
Temp
Rise (F)
DB
30
1.5
117-127
170-190
27-32
15-20
18.2-20.2
17-23
66- 76
282-302
10-16
9-14
8-10
19-25
2.25
116-126
143-163
28-33
13-18
12.6-14.6
17-23
69- 79
285-305
10-16
9-14
6- 8
19-25
3
115-125
135-155
29-34
12-17
7.0- 9.0
17-23
72- 82
289-309
10-16
10-15
4- 6
20-26
50
1.5
128-138
238-258
16-21
14-19
20.5-22.5
21-27
90-100
310-330
11-17
12-17
11.3-13.3
24-30
2.25
126-136
222-242
21-26
13-18
14.9-16.9
21-27
95-105
313-333
11-17
12-17
8.5-10.5
25-31
3
125-135
205-225
26-31
12-17
9.2-11.2
21-27
99-109
316-336
11-17
12-17
5.7- 7.7
26-32
70
1.5
135-145
315-335
10-15
14-19
21.0-23.0
22-28
115-125
337-357
12-18
14-19
14-16
28-35
2.25
134-144
296-316
12-17
13-18
15.5-17.5
22-28
120-130
341-361
12-18
14-19
10.6-12.6
29-36
3
133-143
276-296
15-20
11-16
10.0-12.0
22-28
126-136
345-365
12-18
15-20
7.3- 9.3
30-37
90
1.5
139-149
408-428
10-15
15-20
20.1-22.1
21-27
157-167
390-410
15-20
14-19
18.2-20.2
37-45
2.25
138-148
386-406
10-15
13-18
14.8-16.8
21-27
161-171
394-414
15-20
14-19
13.9-15.9
38-46
3
138-148
364-384
10-15
11-16
9.5-11.5
21-27
166-176
398-418
15-20
15-20
9.6-11.6
39-47
110
1.5
144-154
515-535
8-13
14-19
19.0-21.0
20-26
—
—
—
—
—
—
2.25
143-153
493-513
8-13
13-18
14.0-16.0
20-26
—
—
—
—
—
—
3
142-152
469-489
8-13
12-17
9.0-11.0
20-26
—
—
—
—
—
—
DB
—
Dry Bulb
HWG
—
Hot Water Generator
—
—
No heating operation in this temperature range