Emerson CW Manuel D’Utilisation
Liebert CW Performance Data—50 & 60 Hz Systems
2
1.0
L
IEBERT
CW P
ERFORMANCE
D
ATA
—50 & 60 H
Z
S
YSTEMS
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