Emerson Liebert CW User Manual
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
i
ii
LIEBERT CW MODEL NUMBER NOMENCLATURE
CW
CW = Liebert CW
Floor Mount
Chilled Water
Unit
114 D C S 2 1234 A
Nominal Capacity, kW
D = Downflow
U = Upflow
C = Chilled Water
S = Forward-Curved Centrifugal
Fan with Standard Motor
V = Forward-Curved Centrifugal
fan with Variable Speed Drive
1 = EC Motorized Impeller
2 = 2-Way Valve, Standard Pressure
3 = 3-Way Valve, Standard Pressure
1 = 2-Way Valve, High Pressure
T = 3-Way Valve, High Pressure
A-Z = Standard
configuration
S = SFA
A = 460/3/60
B = 575/3/60
C = 208/3/60
D = 230/3/60
2 = 380/3/60
F = 380/3/50
G = 415/3/50
Configuration
A
1
Liebert CW Performance Data—50 & 60 Hz Systems
1.0 LIEBERT 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
2
Liebert CW Performance Data—50 & 60 Hz Systems
CW026 CW038 CW041 CW051 CW060 CW076 CW084 CW106 CW114
Fan Section - Variable Pitch, Two-Belt Drive Package* (*Some options or combination of options may result in reduced air flow.
Consult factory for recommendation.)
Air Volume CFM (CMH)
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)
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 Fans111222233
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)
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)*
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)*
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)
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,
Capacity-lb/hr. (kg/h),
Filter Section - Disposable Type - Nominal Sizes and Quantities, Downflow Models
Upflow Models (Front Return)
Upflow Models (Bottom & Rear Return) Bottom Return not available on CW106/CW114
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
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)
PSIG (kPa)
w/ 5/32* orifice
Nominal Size, in 18x24 18x24 18x24 18x24 18x24 18x24 18x24 24x31 24x31
Quantity444668855
Nominal Size, in 24x24 24x24 24x24 24x24 24x24 24x24 24x24 18x24 18x24
Quantity22233441010
Nominal Size, in 18x24 18x24 18x24 18x24 18x24 18x24 18x24 18x24 18x24
Quantity44466881010
Steam Reheat-MPT 1/2 1/2 1/2 1/2 3/4 3/4 3/4 3/4 3/4
5250
(8920)
86 (593) 86 (593) 70 (483) 70 (483) 45 (310) 45 (310) 45 (310) 45 (310) 45 (310)
84,100
(24.6)
47,000
(13.7)
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
— 2 (13.8) 4 (27.6) 5 (34.5) 6 (41.4) 8 (55.2) 10 (68.9) — —
— 8 (3.6) 12 (5.4) 14 (6.4) 16 (7.3) 19 (8.6) 21 (9.5) — —
6050
(10,280)
85,800
(25.1)
49,500
(14.5)
5900
(10,020)
85,800
(25.1)
49,500
(14.5)
9300
(15,800)
93,400
(27.4)
89,900
(26.3)
9100
(15,460)
144,500
(42.4)
89,900
(26.3)
12,500
(21,240)
163,200
(47.8)
125,200
(36.7)
12,100
(20,560)
163,200
(47.8)
125,200
(36.7)
17,100
(29,070)
171,700
(50.3)
133,700
(39.2)
16,500
(28,050)
171,700
(50.3)
133,700
(39.2)
3
Liebert CW Performance Data—Models with EC Fans, 50 & 60 Hz
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
2
Face Area sq. ft. (m
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)
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
) 36.3 (3.4) 36.3 (3.4) 71.2 (6.6)
kW 9.6 9.6 9.6
4
3.0 ELECTRICAL DATA—UNITS WITH EC FANS
3.1 CW106 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
Electrical Data—Units with EC Fans
3.2 CW181 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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