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Precision Cooling
For Business-Critical Continuity™ 
Liebert® CW™
System Design Manual - 26-181kW, 50 & 60Hz 
TABLE OF CONTENTS
LIEBERT CW MODEL NUMBER NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . INSIDE FRONT COVER
1.0 LIEBERT CW PERFORMANCE DATA—50 & 60 HZ SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . .2 2.0 LIEBERT CW PERFORMANCE DATA—MODELS WITH EC FANS, 50 & 60 HZ . . . . . . . . . . . .4 3.0 ELECTRICAL DATA—UNITS WITH EC FANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.1 CW106 and CW114 Electrical Data with EC Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 CW181 Electrical Data with EC Fans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4.0 DIMENSIONAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 5.0 UPFLOW DUCT CONNECTION DATA CW026—CW084 . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6.0 BLOWER DUCT & DECK DIMENSIONS, CW106 AND CW114, UPFLOW MODELS. . . . . . . . .12 7.0 ELECTRICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 8.0 GUIDE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
FIGURES
Figure 1 Dimensions, CW026 - CW084. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2 Dimensional Data—50 & 60 Hz Systems CW106—CW114, downflow models. . . . . . . . . . . . . . . . 7 Figure 3 Cabinet and Floor Planning Dimensional Data, Downflow Model CW181 with EC Fans . . . . . . . 8 Figure 4 Cabinet and floor planning dimensions, upflow models—CW026-CW084 . . . . . . . . . . . . . . . . . . . 9 Figure 5 Cabinet and floor planning dimensions, CW 106 and CW114 upflow models. . . . . . . . . . . . . . . . 10
TABLES
Table 1 Electrical data—60Hz-3 phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 2 Electrical data—50Hz-3 phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 3 CW181 electrical data—60Hz-3 phase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 4 CW181 electrical data—50Hz-3 phase. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 5 Electrical data—50 Hz systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 6 Indoor evaporator fan motor electrical requirements—50Hz systems . . . . . . . . . . . . . . . . . . . . . 13 Table 7 Electrical data—60 Hz Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 8 Indoor evaporator fan motor electrical requirements—60Hz systems . . . . . . . . . . . . . . . . . . . . . 15
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LIEBERT CW MODEL NUMBER NOMENCLATURE
CW |
114 |
D |
C |
S |
A |
2 |
1234 |
A |
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CW = Liebert CW |
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D = Downflow |
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Configuration |
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Floor Mount |
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U = Upflow |
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Chilled Water |
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Unit |
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Nominal Capacity, kW |
C = Chilled |
Water |
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A = 460/3/60 |
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A-Z = Standard |
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B = 575/3/60 |
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configuration |
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C = 208/3/60 |
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S = SFA |
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D = 230/3/60 |
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2 = 380/3/60 |
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F = 380/3/50 |
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G = 415/3/50 |
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S = Forward-Curved Centrifugal |
2 |
= 2-Way Valve, Standard Pressure |
Fan with Standard Motor |
3 |
= 3-Way Valve, Standard Pressure |
V = Forward-Curved Centrifugal |
1 |
= 2-Way Valve, High Pressure |
fan with Variable Speed Drive |
T = 3-Way Valve, High Pressure |
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1 = EC Motorized Impeller |
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1
Liebert CW Performance Data—50 & 60 Hz Systems
1.0LIEBERT CW PERFORMANCE DATA—50 & 60 HZ SYSTEMS
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CW026 |
CW038 |
CW041 |
CW051 |
CW060 |
CW076 |
CW084 |
CW106 |
CW114 |
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Capacity Data BTU/Hr (kW) {Based on 45°F (7.2°C) Entering Water. 10°F (5.6°C) Water Rise} |
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80°F DB, 66.8°F WB (26.6°C DB, 19.3°C WB) 50% RH |
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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) |
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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) |
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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) |
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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) |
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75°F DB, 62.5°F WB (23.9°C DB, 16.9°C WB) 50% RH |
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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) |
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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) |
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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) |
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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) |
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75°F DB, 61°F WB (23.9°C DB, 16.1 °C WB) 45°% RH |
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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) |
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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) |
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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) |
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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) |
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72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH |
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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) |
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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) |
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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) |
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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) |
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72°F DB, 58.6°F WB (22.2°C DB, 14.8°C WB) 45% RH |
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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) |
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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) |
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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) |
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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) |
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Hot-aisle Return Capacity Data, 45°F Entering Water, 12°F (6.6°C) Temperature Rise |
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85°F DB, 64.5°F WB (29.4°C DB, 18.1°C WB), 32.3% RH |
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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) |
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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) |
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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) |
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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) |
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90°F DB, 66.2°F WB (32.2°C DB, 19.0°C WB), 27.7% RH |
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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) |
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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) |
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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) |
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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) |
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95°F DB, 67.7°F WB (35°C DB, 19.8°C WB), 23.6% RH |
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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) |
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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) |
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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) |
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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) |
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Unit capacity data is “net,” and is certified to ASHRAE 127-2007 rating standard
2
Liebert CW Performance Data—50 & 60 Hz Systems
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CW026 |
CW038 |
CW041 |
CW051 |
CW060 |
CW076 |
CW084 |
CW106 |
CW114 |
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Fan Section - Variable Pitch, Two-Belt Drive Package* (*Some options or combination of options may result in reduced air flow. |
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Consult factory for recommendation.) |
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Air Volume CFM (CMH) |
5250 |
6050 |
5900 |
9300 |
9100 |
12,500 |
12,100 |
17,100 |
16,500 |
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(8920) |
(10,280) |
(10,020) |
(15,800) |
(15,460) |
(21,240) |
(20,560) |
(29,070) |
(28,050) |
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Fan Motor HP (kW) |
3.0 (2.2) |
5.0 (3.7) |
5.0 (3.7) |
7.5 (5.6) |
7.5 (5.6) |
10 (7.5) |
10 (7.5) |
15 (11.2) |
15 (11.2) |
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Ext. Static Press. in. of water (Pa) |
0.2 (50) |
0.2 (50) |
0.2 (50) |
0.2 (50) |
0.2 (50) |
0.2 (50) |
0.2 (50) |
0.2 (50) |
0.2 (50) |
|
|
|
|
|
|
|
|
|
|
|
|
Number of Fans |
1 |
1 |
1 |
2 |
2 |
2 |
2 |
3 |
3 |
|
|
|
|
|
|
|
|
|
|
|
|
Chilled Water Coil |
|
|
|
|
|
|
|
|
|
|
Face Area sq. ft. (m2) |
11.7 (1.08) |
11.7 (1.08) |
11.7 (1.08) |
18.5 (1.72) |
18.5 (1.72) |
25.0 (2.32) |
25.0 (2.32) |
36.28 (3.37) |
36.28 (3.37) |
|
|
|
|
|
|
|
|
|
|
|
|
Number of Rows |
3 |
4 |
6 |
4 |
6 |
4 |
6 |
4 |
6 |
|
|
|
|
|
|
|
|
|
|
|
|
Face Velocity FPM (m/s) |
431 (2.2) |
499 (2.5) |
486 (2.4) |
482 (2.4) |
471 (2.4) |
484 (2.5) |
480 (2.4) |
471 (2.3) |
460 (2.3) |
|
|
|
|
|
|
|
|
|
|
|
|
Chilled Water Controls (Maximum design water pressure 150 PSI [1034.3 KPa]. Higher pressure available as an option. Consult factory.) |
|
|||||||||
Valve Actuator |
Modulating |
Modulating |
Modulating |
Modulating |
Modulating |
Modulating |
Modulating |
Modulating |
Modulating |
|
|
|
|
|
|
|
|
|
|
|
|
Sensors |
Proportional |
Proportional |
Proportional |
Proportional |
Proportional |
Proportional |
Proportional |
Proportional |
Proportional |
|
|
|
|
|
|
|
|
|
|
|
|
Valve Body |
3-Way |
3-Way |
3-Way |
3-Way |
3-Way |
3-Way |
3-Way |
3-Way |
3-Way |
|
|
|
|
|
|
|
|
|
|
|
|
Valve Cv |
11.6 |
11.6 |
28.9 |
28.9 |
46.2 |
46.2 |
46.2 |
46.2 |
46.2 |
|
|
|
|
|
|
|
|
|
|
|
|
Valve Size - inches |
1 |
1-1/4 |
1-1/2 |
1-1/2 |
2 |
2 |
2 |
2 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
2-Way Valve (0ptional) |
86 (593) |
86 (593) |
70 (483) |
70 (483) |
45 (310) |
45 (310) |
45 (310) |
45 (310) |
45 (310) |
|
Close Off Pressures-PSI (kPa) |
||||||||||
|
|
|
|
|
|
|
|
|
||
REHEAT SECTION |
|
|
|
|
|
|
|
|
|
|
Electric Reheat: Three-Stage, Fin Tube |
|
|
|
|
|
|
|
|
||
Capacity BTU/HR (kW)* |
39,200 (10) |
58,800 (15) |
58,800 (15) |
81,000 (20) |
98,100 (25) |
121,500 (30) |
121,500 (30) |
127,900 (30) |
127,900 (30) |
|
Steam Reheat: 218°F (103.3°C) Steam, 75°F (23.9°C) E.A.T., STD MTR-Modulating Control Valve 2-way****† |
|
|
|
|||||||
Capacity BTU/HR (kW)* |
84,100 |
85,800 |
85,800 |
93,400 |
144,500 |
163,200 |
163,200 |
171,700 |
171,700 |
|
(24.6) |
(25.1) |
(25.1) |
(27.4) |
(42.4) |
(47.8) |
(47.8) |
(50.3) |
(50.3) |
||
|
||||||||||
Hot Water Reheat: Capacity @ 180°F (82.2°C) E.W.T., STD MTR 75°F (23.8°C) E.A.T. - Modulating Control Valve 2-way****† |
|
|
||||||||
Capacity BTU/HR (kW)* |
47,000 |
49,500 |
49,500 |
89,900 |
89,900 |
125,200 |
125,200 |
133,700 |
133,700 |
|
(13.7) |
(14.5) |
(14.5) |
(26.3) |
(26.3) |
(36.7) |
(36.7) |
(39.2) |
(39.2) |
||
|
||||||||||
Flow Rate-GPM (l/s) |
5 (.31) |
5 (.31) |
5 (.31) |
8 (.50) |
8 (.50) |
8 (.50) |
8 (.50) |
8 (.50) |
8 (.50) |
|
|
|
|
|
|
|
|
|
|
|
|
Pressure Drop-PSI (kPa) |
3.5 (24.1) |
3.5 (24.1) |
3.5 (24.1) |
1.6 (11.0) |
1.6 (11.0) |
1.6 (11.0) |
1.6 (11.0) |
1.6 (11.0) |
1.6 (11.0) |
|
|
|
|
|
|
|
|
|
|
|
|
* Includes Fan Motor ** Optional 3-Way valve available-consult factory *** 25 PSI (172.4 kPa) Max operating pressure-consult factory for higher pressures.
† Unit CFM reduced by 300 with std. motor (142 l/s) **** 150 PSI (1034.3 kPA) Max operating pressure-consult factory for higher pressures.
HUMIDIFIER SECTION
Infrared Humidifier (Note: 50Hz Models are 22.1 lb/hr. (10.0 kg/h); 9.6 kW)
Capacity-lb/hr. (kg/h) |
11.0 (5.0) |
11 (5.0) |
11.0 (5.0) |
17.4 (7.9)„ |
17.4 (7.9)„ |
22.1 (10.0) |
22.1 (10.0) |
22.1 (10.0) |
22.1 (10.0) |
|
kW |
4.8 |
4.8 |
4.8 |
6.4„ |
6.4„ |
9.6 |
9.6 |
9.6 |
9.6 |
|
Pan |
Stainless |
Stainless |
Stainless |
Stainless |
Stainless |
Stainless |
Stainless |
Stainless |
Stainless |
|
Steam Generating Humidifier (Water conductivity between 200-500 micromhos is required for ideal operation) |
|
|
|
|||||||
Capacity-lb/hr. (kg/h) |
11 (5.0) |
11 (5.0) |
11.0 (5.0) |
22 (10.0) |
22 (10.0) |
22 (10.0) |
22 (10.0) |
22 (10.0) |
22 (10.0) |
|
Capacity-kW |
3.6 |
3.6 |
3.6 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
|
Steam Grid Humidifier - All Models (Standard Selection, 5 PSIG. (34.5 kPa) Steam 14 lb./hr. (6.4 kg/h) |
|
|
|
|||||||
Supply Steam Pressure, |
— |
2 (13.8) |
4 (27.6) |
5 (34.5) |
6 (41.4) |
8 (55.2) |
10 (68.9) |
— |
— |
|
PSIG (kPa) |
||||||||||
|
|
|
|
|
|
|
|
|
||
Capacity-lb/hr. (kg/h), |
— |
8 (3.6) |
12 (5.4) |
14 (6.4) |
16 (7.3) |
19 (8.6) |
21 (9.5) |
— |
— |
|
w/ 5/32* orifice |
||||||||||
|
|
|
|
|
|
|
|
|
||
Filter Section - Disposable Type - Nominal Sizes and Quantities, Downflow Models |
|
|
|
|
|
|||||
Nominal Size, in |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
24x31 |
24x31 |
|
|
|
|
|
|
|
|
|
|
|
|
Quantity |
4 |
4 |
4 |
6 |
6 |
8 |
8 |
5 |
5 |
|
Upflow Models (Front Return) |
|
|
|
|
|
|
|
|
|
|
Nominal Size, in |
24x24 |
24x24 |
24x24 |
24x24 |
24x24 |
24x24 |
24x24 |
18x24 |
18x24 |
|
Quantity |
2 |
2 |
2 |
3 |
3 |
4 |
4 |
10 |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
Upflow Models (Bottom & Rear Return) Bottom Return not available on CW106/CW114 |
|
|
|
|
||||||
Nominal Size, in |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
18x24 |
|
|
|
|
|
|
|
|
|
|
|
|
Quantity |
4 |
4 |
4 |
6 |
6 |
8 |
8 |
10 |
10 |
|
CONNECTION SIZES |
|
|
|
|
|
|
|
|
|
|
Chilled Water-OD Copper |
1-1/8 |
1-3/8 |
1-5/8 |
1-5/8 |
2-1/8 |
2-1/8 |
2-1/8 |
2-1/8 |
2-5/8 |
|
Infrared Humidifier-OD Copper |
1/4 |
1/4 |
1/4 |
1/4 |
1/4 |
1/4 |
1/4 |
1/4 |
1/4 |
|
|
|
|
|
|
|
|
|
|
|
|
Condensate Drain-FPT |
3/4 |
3/4 |
3/4 |
3/4 |
3/4 |
3/4 |
3/4 |
1-1/4 |
1-1/4 |
|
Steam Reheat-MPT |
1/2 |
1/2 |
1/2 |
1/2 |
3/4 |
3/4 |
3/4 |
3/4 |
3/4 |
|
|
|
|
|
|
|
|
|
|
|
|
Hot Water Reheat-OD Copper |
5/8 |
5/8 |
5/8 |
7/8 |
7/8 |
7/8 |
7/8 |
7/8 |
7/8 |
|
Steam Humidifier-MPT |
1/2 |
1/2 |
1/2 |
1/2 |
1/2 |
1/2 |
1/2 |
1/2 |
1/2 |
|
|
|
|
|
|
|
|
|
|
|
|
Weight-lb (kg)- Installed |
810 (367) |
845 (383) |
895 (406) |
1140 (517) |
1210 (549) |
1390 (630) |
1490 (676) |
1950 (885) |
2090 (949) |
|
3
Liebert CW Performance Data—Models with EC Fans, 50 & 60 Hz
2.0LIEBERT CW PERFORMANCE DATA—MODELS WITH EC FANS, 50 & 60 HZ
|
CW106D |
CW114D |
|
CW181D |
|
|
|
|
|
Capacity Data BTU/Hr (kW) {Based on 45°F (7.2°C) Entering Water. 10°F Water Rise} |
|
|||
75°F DB, 62.5°F WB (23.9°C DB, 16.9°C WB) 50% RH * |
|
|
|
|
Total -kBTUH (kw) |
435 (127.5) |
552 (161.7) |
|
813 (238.2) |
Sensible - kBTUH (kw) |
362 (106.1) |
423 (123.9) |
|
612 (179.3) |
Flow Rate-GPM (Vs) |
92.1 (5.8) |
116.3 (7.4) |
|
179.3 (11.4) |
Press. Dropft (kPa) |
27.8 (83.0) |
50.2 (149.8) |
|
40.0 (119.4) |
75°F DB, 61°F WB (23.9°C DB, 16.1 °C WB) 45°% RH * |
|
|
|
|
Total -kBTUH (kw) |
395 (115.7) |
494 (144.7) |
|
725 (212.4) |
Sensible - kBTUH (kw) |
368 (107.8) |
427 (125.1) |
|
617 (180.8) |
Flow Rate-GPM (Vs) |
84.0 (5.8) |
104.8 (6.6) |
|
153.4 (9.7) |
Press. Dropft (kPa) |
23.5 (70.1) |
41.5 (123.8) |
|
29.3 (87.4) |
72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH * |
|
|
|
|
Total -kBTUH (kw) |
341 (99.9) |
435 (127.5) |
|
642 (188.0) |
Sensible - kBTUH (kw) |
316 (92.6) |
371 (108.7) |
|
537 (157.3) |
Flow Rate-GPM (Vs) |
73.4 (4.6) |
93.2 (5.9) |
|
136.8 (8.7) |
Press. Dropft (kPa) |
18.3 (54.6) |
33.4 (99.7) |
|
23.3 (69.5) |
72°F DB, 58.6°F WB (22.2°C DB, 14.8°C WB) 45% RH * |
|
|
|
|
Total -kBTUH (kw) |
323 (94.6) |
395 (115.7) |
|
586 (171.7) |
Sensible - kBTUH (kw) |
323 (94.6) |
378 (110.8) |
|
546 (160.0) |
Flow Rate-GPM (Vs) |
69.6 (4.4) |
85.2 (5.4) |
|
125.7 (8.0) |
Press. Dropft (kPa) |
16.6 (49.5) |
28.3 (84.4) |
|
19.7 (58.7) |
Fan Data |
|
|
|
|
Air Volume CFM (CMH) |
17,600 (29,920) |
17,360 (29,512) |
|
24,000 (40,800) |
Fan Motor hp Max, (kW), ea, qty 3 |
4.2 (3.4) |
4.2 (3.4) |
|
5.2 (4.3) |
Ext. Static Press. in. of water (Pa) |
0.2 (50) |
0.2 (50) |
|
0.2 (50) |
Chilled Water Coil |
|
|
|
|
Face Area sq. ft. (m2) |
36.3 (3.4) |
36.3 (3.4) |
|
71.2 (6.6) |
No. of Rows |
4 |
6 |
|
6 |
Face Velocity FPM (m/s) |
471 (2.3) |
471 (2.3) |
|
337 (1.6) |
Valve Cv |
46.2 |
46.2 |
|
46.2 qty2 |
Valve Size - inches |
2 |
2 |
|
2 |
Electric Reheat - Three (3) Stage, Fin Tube |
|
|
|
|
Capacity BTU/HR (kW) |
102,390 (30) |
102,390 (30) |
|
102,390 (30) |
Infrared Humidifier |
|
|
|
|
Capacity-Lb. Per Hr. (kg/h) |
22.1 (10.0) |
22.1 (10.0) |
|
22.1 (10.0) |
kW |
9.6 |
9.6 |
|
9.6 |
FILTER SECTION - DISPOSABLE TYPE - Nominal Sizes and Quantities, MERV7 or MERV11 (option)
Nominal Size, in |
24"x31" |
24"x31" |
21-1/2" x 24" |
Quantity |
5 |
5 |
10 |
CONNECTION SIZES |
|
|
|
Chilled Water-O.D. Copper |
2-1/8 |
2-5/8 |
3-1/8 |
Infrared Humidifier-O.D. Copper |
1/4 |
1/4 |
1/4 |
Condensate Drain-FPT |
1-1/4 |
|
|
Weight-lb (kg)- Installed |
1950 (885) |
2090 (949) |
2800 (1271) |
* Unit capacity data is “net,” and is certified to ASHRAE 127-2007 rating standard
4
Electrical Data—Units with EC Fans
3.0ELECTRICAL DATA—UNITS WITH EC FANS
3.1CW106 and CW114 Electrical Data with EC Fans
Table 1 |
Electrical data—60Hz-3 phase |
|
|
|
||
|
|
|
|
|
|
|
Reheat |
|
Humidifier |
Volts |
FLA |
WSA |
OPD |
|
|
|
|
|
|
|
Electric |
|
Infrared |
460 |
65.4 |
81.8 |
90 |
|
|
|
|
|
|
|
Electric |
|
Infrared |
575 |
53.4 |
66.8 |
70 |
|
|
|
|
|
|
|
Electric |
|
Infrared |
460 |
53.8 |
67.3 |
70 |
|
|
|
|
|
|
|
Electric |
|
Infrared |
575 |
41.8 |
52.3 |
60 |
|
|
|
|
|
|
|
None |
|
Infrared |
460 |
26.3 |
32.9 |
35 |
|
|
|
|
|
|
|
None |
|
Infrared |
575 |
23.3 |
29.1 |
30 |
|
|
|
|
|
|
|
None |
|
None |
460 |
14.7 |
15.9 |
20 |
|
|
|
|
|
|
|
None |
|
None |
575 |
11.7 |
12.7 |
15 |
|
|
|
|
|
|
|
Table 2 |
Electrical data—50Hz-3 phase |
|
|
||
|
|
|
|
|
|
Reheat |
|
Humidifier |
Volts |
FLA |
WSA |
|
|
|
|
|
|
Electric |
|
Electric |
400 |
70.8 |
88.5 |
|
|
|
|
|
|
Electric |
|
None |
400 |
58 |
72.5 |
|
|
|
|
|
|
None |
|
Electric |
400 |
27.5 |
34.4 |
|
|
|
|
|
|
None |
|
None |
400 |
14.7 |
15.9 |
|
|
|
|
|
|
3.2CW181 Electrical Data with EC Fans
Table 3 |
CW181 electrical data—60Hz-3 phase |
|
|
|
|||
|
|
|
|
|
|
|
|
Reheat |
|
Humidifier |
Volts |
|
FLA |
WSA |
OPD |
|
|
|
|
|
|
|
|
Electric |
|
Infrared |
460 |
|
69 |
86.3 |
90 |
|
|
|
|
|
|
|
|
Electric |
|
Infrared |
575 |
|
56.4 |
70.5 |
80 |
|
|
|
|
|
|
|
|
Electric |
|
None |
460 |
|
57.4 |
71.8 |
80 |
|
|
|
|
|
|
|
|
Electric |
|
None |
575 |
|
44.8 |
56 |
60 |
|
|
|
|
|
|
|
|
None |
|
Infrared |
460 |
|
29.9 |
37.4 |
35 |
|
|
|
|
|
|
|
|
None |
|
Infrared |
575 |
|
26.3 |
32.9 |
35 |
|
|
|
|
|
|
|
|
None |
|
None |
460 |
|
18.3 |
19.8 |
25 |
|
|
|
|
|
|
|
|
None |
|
None |
575 |
|
14.7 |
15.9 |
20 |
|
|
|
|
|
|
|
|
Table 4 |
CW181 electrical data—50Hz-3 phase |
|
|
|||
|
|
|
|
|
|
|
Reheat |
|
Humidifier |
Volts |
|
FLA |
WSA |
|
|
|
|
|
|
|
Electric |
|
Electric |
400 |
|
74.4 |
93 |
|
|
|
|
|
|
|
Electric |
|
None |
400 |
|
61.6 |
77 |
|
|
|
|
|
|
|
None |
|
Electric |
400 |
|
31.1 |
38.9 |
|
|
|
|
|
|
|
None |
|
None |
400 |
|
18.3 |
19.8 |
|
|
|
|
|
|
|
5
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