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Table 3 — 30XA Minimum and Maximum Cooler Flow Rates
*For applications requiring cooler leaving water temperature operation at less than
40 F (4.4 C), the units require the use of antifreeze and application may require
one of the special order brine option. Contact your local Carrier representative for
more information.
†For applications requiring cooler entering water temperature operation at less than
45 F (7.2 C), contact your local Carrier representative for unit selection using the
Carrier electronic catalog.
NOTE: Nominal flow rates required at ARI (Air Conditioning and Refrigeration
Institute) conditions 44 F (7 C) leaving fluid temperature, 54 F (12 C) entering
water temperature, 95 F (35 C) ambient. Fouling factor 0.00010 ft
2
-hr-F/Btu
(0.000018 m
2
-K/kW).
ITEM MINIMUM MAXIMUM NOMINAL
Cooler Leaving Water Temperature* 40 F (4.4 C) 60 F (15 C) —
Cooler Entering Water Temperature† 45 F (7.2 C) 70 F (21.1 C) —
30XA
UNIT SIZE
Cooler
Number of
Passes
Minimum Flow Rate Maximum Flow Rate Nominal Flow Rate
(gpm) (L/s) (gpm) (L/s) (gpm) (L/s)
080
Standard 2 95 6.0 379 23.9
180.4 11.4Plus one pass 3 43 2.7 192 12.1
Minus one pass 1 196 12.4 782 49.3
090
Standard 2 101 6.4 403 25.4
201.9 12.7Plus one pass 3 43 2.7 200 12.6
Minus one pass 1 229 14.4 917 57.9
100
Standard 2 101 6.4 403 25.4
225.5 14.2Plus one pass 3 43 2.7 200 12.6
Minus one pass 1 229 14.4 917 57.9
110
Standard 2 125 7.9 501 31.6
244.9 15.5Plus one pass 3 61 3.8 244 15.4
Minus one pass 1 254 16.0 1014 64.0
120
Standard 2 125 7.9 501 31.6
264.8 16.7Plus one pass 3 73 4.6 293 18.5
Minus one pass 1 281 17.7 1124 70.9
140
Standard 2 134 8.5 538 33.9
317.8 20.1Plus one pass 3 73 4.6 293 18.5
Minus one pass 1 324 20.4 1296 81.8
160
Standard 2 165 10.4 660 41.6
365.1 23.0Plus one pass 3 98 6.2 391 24.7
Minus one pass 1 354 22.3 141889.5
180
Standard 2 202 12.7 807 50.9
409.6 25.8Plus one pass 3 73 4.6 391 24.7
Minus one pass 1 416 26.2 1662 104.9
200
Standard 2 223 14.1 892 56.3
463.9 29.3Plus one pass 3 98 6.2 391 24.7
Minus one pass 1 458 28.9 1833 115.6
220
Standard 2 235 14.8 941 59.4
505.9 31.9
Plus one pass 3 122 7.7 489 30.9
Minus one pass 1 501 31.6 2004 126.4
240
Standard 2 266 16.8 1063 67.1
545.8 34.4Plus one pass 3 147 9.3 587 37.0
Minus one pass 1 538 33.9 2151 135.7
260
Standard 2 257 16.2 1027 64.8
600.3 37.9Plus one pass 3 141 8.9 562 35.5
Minus one pass 1 584 36.8 2334 147.3
280
Standard 2 293 18.5 1173 74.0
642.2 40.5Plus one pass 3 141 8.9 562 35.5
Minus one pass 1 620 39.1 2481 156.5
300
Standard 2 327 20.6 130882.5
687.5 43.4Plus one pass 3 174 11.0 697 44.0
Minus one pass 1 687 43.3 2750 173.5
325
Standard 2 361 22.8 1442 91.0
733.4 46.3Plus one pass 3 211 13.3 843 53.2
Minus one pass 1 724 45.7 2897 182.8
350
Standard 2 379 23.9 1516 95.6
775.4 48.9Plus one pass 3 244 15.4 978 61.7
Minus one pass 1 767 48.4 3068 193.6
400
Standard 1 501 31.6 2004 126.4
917.6 57.9Plus one pass — — — — —
Minus one pass — — — — —
450
Standard 1 501 2004
1019.3 64.3Plus one pass — — — — —
Minus one pass — — — — —
500
Standard 1 501 2004
1092.8 68.9Plus one pass — — — — —
Minus one pass — — — — —