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Liebert CW Performance Data—Models with EC Fans, 50 & 60 Hz
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2.0 LIEBERT 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. Drop- ft (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. Drop- ft (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. Drop- ft (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. Drop- ft (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. (m
2
) 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