27
Table 15 — 50PC006 Typical Unit Operating Pressures and Temperatures
LEGEND
*Based on 15% Methanol antifreeze solution.
Table 16 — 50PC009 Typical Unit Operating Pressures and Temperatures
LEGEND
*Based on 15% Methanol antifreeze solution.
Table 17 — 50PC012 Typical Unit Operating Pressures and Temperatures
LEGEND
*Based on 15% Methanol antifreeze solution.
ENTERING
WATER
TEMP
(F)
WATER
FLOW
(GPM/ton)
COOLING HEATING
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*
1.5 124-134 159-179 17-22 5-10 18.7-20.7 17-23 71- 81 295-315 13-18 5-10 5.9- 7.9 17-23
2.25 120-130 147-167 20-25 5-10 13.6-15.6 18-24 72- 82 296-316 14-19 5-10 4.2- 6.2 17-23
3 117-127 136-156 24-29 5-10 8.5-10.5 18-24 74- 84 297-317 15-20 5-10 2.5- 4.5 17-23
50
1.5 132-142 210-230 7-12 5-10 16.2-18.2 18-24 105-115 330-350 8-13 9-14 8.2-10.2 22-28
2.25 131-141 199-219 8-13 5-10 11.9-13.9 19-25 110-120 335-355 9-14 9-14 6.1- 8.1 22-28
3 130-140 189-209 9-14 4- 9 7.7- 9.7 19-25 115-125 339-359 9-14 9-14 4.0- 6.0 23-29
70
1.5 136-146 275-295 5-10 5-10 15.1-17.1 17-23 136-146 362-382 9-14 10-15 11.3-13.3 27-33
2.25 136-146 262-282 6-11 4- 9 11.1-13.1 18-24 141-151 368-388 9-14 10-15 16.9-18.9 28-34
3 135-145 250-270 6-11 4- 9 7.2- 9.2 18-24 147-157 374-394 9-14 10-15 5.6- 7.6 29-35
90
1.5 142-152 365-385 5-10 4- 9 13.8-15.8 16-22 170-180 402-422 14-19 12-17 14.4-16.4 33-39
2.25 141-151 353-373 5-10 4- 9 10.2-12.2 16-22 173-183 407-427 15-20 12-17 11.1-13.1 33-39
3 140-150 340-360 5-10 4- 9 6.6- 8.6 16-22 177-187 412-432 17-22 12-17 7.7- 9.1 34-40
110
1.5 148-158 462-482 5-10 4- 9 12.5-14.5 14-20 — — — — — —
2.25 147-157 449-469 5-10 3- 8 9.2-11.2 14-20 — — — — — —
3 146-156 438-458 5-10 3- 8 5.9- 7.9 14-20 ——————
DB — Dry Bulb
——No Heating Operation in This Temperature Range
ENTERING
WATER
TEMP
(F)
WATER
FLOW
(GPM/ton)
COOLING HEATING
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*
1.5 113-123 160-180 22-27 13-18 19.5-21.5 17-23 69- 79 331-351 11-16 20-25 7.3- 9.3 17-23
2.25 110-120 147-167 25-30 11-16 14.2-16.2 17-23 72- 82 335-355 11-16 20-25 5.4- 7.4 18-24
3 108-118 135-155 28-33 9-14 8.9-10.9 16-21 75- 85 339-359 11-16 21-26 3.5- 5.5 19-25
50
1.5 124-134 211-231 9-14 10-15 18.0-20.0 17-23 101-111 360-380 9-14 20-25 9.8-11.8 23-29
2.25 122-132 199-219 12-17 9-14 13.2-15.2 17-23 105-115 363-383 9-14 19-24 7.4- 9.4 24-30
3 120-130 187-207 15-20 8-13 8.4-10.4 17-23 110-120 366-386 9-14 19-24 4.9- 6.9 24-30
70
1.5 129-139 275-295 7-12 8-13 17.4-19.4 16-22 130-140 400-420 10-15 20-25 12.8-14.8 28-34
2.25 128-138 261-281 8-13 7-12 12.8-14.8 16-22 137-147 407-427 10-15 19-24 9.6-11.6 29-35
3 127-137 247-267 8-13 6-11 8.2-10.2 16-22 144-154 414-434 10-15 18-23 6.4- 8.4 30-36
90
1.5 136-146 364-384 7-12 3- 8 15.7-17.7 15-21 170-180 449-469 13-18 17-22 16.0-18.0 34-40
2.25 135-145 350-370 7-12 4- 9 11.7-13.7 15-21 178-188 455-475 14-19 15-20 12.0-14.0 35-41
3 134-144 336-356 7-12 4- 9 7.6- 9.6 15-21 186-196 460-480 15-20 13-18 7.9- 9.9 36-42
110
1.5 142-152 467-487 5-10 4- 9 13.5-15.5 13-19 — — — — — —
2.25 141-151 451-471 5-10 4- 9 9.9-11.9 13-19 — — — — — —
3 140-150 435-455 5-10 3- 8 6.3- 8.3 13-19 — — — — — —
DB — Dry Bulb
——No Heating Operation in This Temperature Range
ENTERING
WATER
TEMP
(F)
WATER
FLOW
(GPM/ton)
COOLING HEATING
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*
1.5 116-126 155-175 14-19 9-14 19.4-21.4 18-24 70- 80 311-331 8-13 8-13 6.9- 8.9 18-24
2.25 113-123 144-164 15-20 8-13 14.3-16.3 18-24 72- 82 315-335 8-13 8-13 5.1- 7.1 19-25
3 111-121 132-152 17-22 6-11 9.1-11.1 18-24 75- 85 319-339 8-13 8-13 3.2- 5.2 19-25
50
1.5 123-133 208-228 8-13 9-14 18.1-20.1 17-23 102-112 354-364 8-13 9-14 9.3-11.3 25-31
2.25 122-132 196-216 9-14 7-12 13.4-15.4 18-24 106-116 355-375 8-13 9-14 7.0- 9.0 26-32
3 121-131 184-204 9-14 5-10 8.6-10.6 18-24 110-120 355-375 8-13 9-14 4.6- 6.6 26-32
70
1.5 127-137 266-286 7-12 8-13 17.2-19.2 16-22 131-141 392-412 9-14 8-13 12.0-14.0 30-36
2.25 126-136 255-275 8-13 7-12 12.7-14.7 16-22 137-147 395-415 9-14 8-13 9.0-11.0 31-37
3 126-136 244-264 8-13 5-10 8.2-10.2 16-22 144-154 398-418 9-14 7-12 6.0- 8.0 32-38
90
1.5 133-143 362-382 6-11 7-12 16.0-18.0 15-21 175-185 443-463 10-15 3- 8 15.0-17.0 36-42
2.25 132-142 342-362 7-12 5-10 11.8-13.8 15-21 183-193 452-472 11-16 3- 8 11.2-13.2 37-43
3 132-142 331-351 7-12 4- 9 7.6- 9.6 15-21 190-200 461-491 13-18 3- 8 7.4- 9.4 38-44
110
1.5 140-150 459-479 6-11 4- 9 14.4-16.4 13-19 — — — — — —
2.25 140-150 441-461 6-11 4- 9 10.6-12.6 13-19 — — — — — —
3 139-149 431-451 6-11 3- 8 6.9- 8.9 13-19 — — — — — —
DB — Dry Bulb
——No Heating Operation in This Temperature Range
