Liebert CW Performance Data—50 & 60 Hz Systems

1.0LIEBERT CW PERFORMANCE DATA—50 & 60 HZ SYSTEMS

 

CW026

CW038

CW041

CW051

CW060

CW076

CW084

CW106

CW114

 

 

 

 

 

 

 

 

 

 

Capacity Data BTU/Hr (kW) {Based on 45°F (7.2°C) Entering Water. 10°F (5.6°C) Water Rise}

 

 

 

 

 

 

 

 

 

 

80°F DB, 66.8°F WB (26.6°C DB, 19.3°C WB) 50% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

142 (41.7)

200 (58.7)

265

(77.5)

299 (87.6)

375 (110.0)

414 (121.3)

528 (154.7)

604 (176.9)

742 (217.4)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

110 (32.1)

144 (42.1)

175

(51.2)

218 (63.9)

254 (74.4)

295 (86.4)

351 (102.7)

421 (123.4)

486 (142.4)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

29.9 (1.9)

42.4 (2.7)

55.3 (3.5)

63.5 (4.0)

78.8 (5.0)

88.4 (5.6)

111.3 (7.0)

128.0 (8.1)

155.5 (9.8)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

31.4 (93.7)

50.0 (149.2)

40.5 (120.9)

24.5 (73.1)

23.2 (69.2)

27.1 (80.9)

49.2 (146.8)

51.3 (153.1)

86.0 (256.6)

 

 

 

 

 

 

 

 

 

 

 

75°F DB, 62.5°F WB (23.9°C DB, 16.9°C WB) 50% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

96 (28.1)

137 (40.0)

186

(54.5)

199 (58.4)

255 (74.8)

281 (82.4)

366 (107.3)

414 (121.2)

524 (153.4)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

88 (25.7)

116 (34.0)

143

(41.9)

175 (51.2)

205 (60.2)

238 (69.6)

285 (83.6)

341 (99.9)

398 (116.6)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

20.7 (1.3)

29.7 (1.9)

39.6 (2.5)

43.6 (2.8)

55.0 (3.5)

61.9 (3.9)

79.2 (5.0)

90.2 (5.7)

111.9 (7.1)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

15.6 (46.6)

25.3 (75.5)

22.0 (65.6)

12.1 (36.1)

12.0 (35.8)

14.0 (41.8)

26.3 (78.5)

26.8 (80.0)

46.8 (139.7)

 

 

 

 

 

 

 

 

 

 

 

75°F DB, 61°F WB (23.9°C DB, 16.1 °C WB) 45°% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

89 (26.2)

125 (36.6)

166

(48.7)

184 (54.0)

231 (67.8)

256 (75.1)

327 (95.9)

373 (109.4)

467 (136.9)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

89 (26.2)

118 (34.6)

144

(42.3)

179 (52.4)

209 (61.2)

242 (70.8)

289 (84.6)

347 (101.6)

402 (117.7)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

19.4 (1.2)

27.4 (1.7)

35.6 (2.3)

40.6 (2.6)

50.2 (3.2)

56.9 (3.6)

71.0 (4.5)

82.2 (5.2)

100.8 (6.4)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

13.9 (41.5)

21.7 (64.8)

18.2 (54.3)

10.6 (31.6)

10.1 (30.1)

12.0 (35.8)

21.6 (64.5)

22.6 (67.4)

38.6 (115.2)

 

 

 

 

 

 

 

 

 

 

 

72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

75 (21.9)

106 (31.2)

146

(42.7)

155 (45.3)

200 (58.6)

218 (64.0)

285 (83.6)

322 (94.2)

411 (120.5)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

75 (21.9)

100 (29.4)

125

(36.6)

150 (43.9)

179 (52.4)

205 (60.0)

248 (72.8)

296 (86.7)

347 (101.8)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

16.5 (1.0)

23.7 (1.5)

31.6 (2.0)

34.8 (2.2)

43.9 (2.8)

49.3 (3.1)

63.0 (4.0)

71.8 (4.5)

89.6 (5.7)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

10.2 (30.4)

16.5 (49.2)

14.6 (43.6)

7.9 (23.6)

7.9 (23.6)

9.3 (27.8)

17.3 (51.6)

17.6 (52.5)

31.1 (92.8)

 

 

 

 

 

 

 

 

 

 

 

72°F DB, 58.6°F WB (22.2°C DB, 14.8°C WB) 45% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

75 (21.9)

102 (29.9)

166

(48.7)

152 (44.4)

188 (55.0)

209 (61.1)

264 (77.3)

303 (88.7)

374 (109.5)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

75 (21.9)

102 (29.9)

144

(42.3)

152 (44.4)

183 (53.6)

209 (61.1)

254 (74.4)

303 (88.7)

355 (103.9)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

16.4 (1.0)

22.8 (1.4)

35.6 (2.3)

34.2 (2.2)

41.5 (2.6)

47.4 (3.0)

58.7 (3.7)

68.1 (4.3)

82.2 (5.2)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

10.2 (30.4)

15.3 (45.7)

18.2 (54.3)

7.6 (22.7)

7.2 (21.5)

8.6 (25.7)

15.3 (45.7)

16.0 (47.7)

26.5 (79.1)

 

 

 

 

 

 

 

 

 

 

Hot-aisle Return Capacity Data, 45°F Entering Water, 12°F (6.6°C) Temperature Rise

 

 

 

 

 

 

 

 

 

 

 

85°F DB, 64.5°F WB (29.4°C DB, 18.1°C WB), 32.3% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

128 (37.4)

169 (49.6)

217

(63.7)

257 (75.2)

310 (90.7)

347 (101.7)

435 (127.5)

506 (148.3)

608 (178.2)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

128 (37.4)

169 (49.6)

201

(58.9)

257 (75.2)

295 (86.4)

347 (101.7)

405 (118.8)

492 (144.1)

559 (163.9)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

22.5 (1.4)

30.1 (1.9)

38.2 (2.4)

45.9 (2.9)

54.8 (3.5)

62.4 (4.0)

77.4 (4.9)

90.5 (5.7)

107.4 (6.8)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

18.3 (54.6)

25.9 (77.3)

20.6 (61.5)

13.2 (39.4)

11.9 (35.5)

14.3 (42.7)

25.2 (75.2)

26.9 (80.3)

43.2 (128.9)

 

 

 

 

 

 

 

 

 

 

90°F DB, 66.2°F WB (32.2°C DB, 19.0°C WB), 27.7% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

151 (44.2)

198 (57.9)

249

(72.9)

302 (88.4)

357 (104.7)

405 (118.8)

500 (146.5)

587 (172.0)

695 (203.5)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

151 (44.2)

198 (57.9)

232

(67.9)

302 (88.4)

342 (100.2)

405 (118.8)

469 (137.3)

572 (167.7)

644 (188.7)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

26.3 (1.7)

34.8 (2.2)

43.4 (2.7)

53.4 (3.4)

62.8 (4.0)

72.1 (4.6)

88.2 (5.6)

104.0 (6.6)

121.7 (7.7)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

24.5 (73.1)

34.2 (102.1)

26.0 (77.6)

17.6 (52.5)

15.2 (45.4)

18.6 (55.5)

32.0 (95.5)

34.8 (103.8)

54.5 (162.6)

 

 

 

 

 

 

 

 

 

 

 

95°F DB, 67.7°F WB (35°C DB, 19.8°C WB), 23.6% RH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total - kBTUH (kW)

173 (50.8)

225 (66.0)

279

(81.8)

345 (101.2)

402 (117.9)

463 (135.6)

562 (164.8)

661 (193.7)

779 (228.1)

 

 

 

 

 

 

 

 

 

 

 

Sensible - kBTUH (kW)

173 (50.8)

225 (66.0)

262

(76.7)

345 (101.2)

388 (113.8)

463 (135.6)

531 (155.5)

653 (191.3)

727 (213.1)

 

 

 

 

 

 

 

 

 

 

Flow Rate - GPM (l/s)

30.1 (1.9)

39.5 (2.5)

48.5 (3.1)

60.6 (3.8)

70.2 (4.4)

81.7 (5.2)

98.6 (6.2)

116.3 (7.4)

135.6 (8.6)

 

 

 

 

 

 

 

 

 

 

Press. Drop - ft (kPa)

31.6 (94.3)

43.4 (129.5)

31.8 (94.9)

22.3 (66.5)

18.7 (55.8)

23.4 (69.8)

39.3 (117.3)

42.8 (127.7)

66.6 (198.7)

 

 

 

 

 

 

 

 

 

 

 

Unit capacity data is “net,” and is certified to ASHRAE 127-2007 rating standard

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Emerson manual Liebert CW Performance DATA-50 & 60 HZ Systems, 80F DB, 66.8F WB 26.6C DB, 19.3C WB 50% RH