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Emerson Liebert CW manual

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Table of contents for the manual

  • Page 1

    Precision Cooling For Business -Critic al C ontinuity™ Li eber t ® CW ™ Syst em Desi gn Manu al - 26-181kW , 50 & 60Hz[...]

  • Page 2

    [...]

  • Page 3

    i T ABLE OF CONTENTS L IEBERT CW M ODEL N UMBER N OMENCL ATURE . . . . . . . . . . . . . . . . . . . . . . I NSIDE F RONT C OVER 1.0 L IEBERT CW P ERFORMANCE D AT A —50 & 60 H Z S YSTEMS . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 L IEBERT CW P ERFORMANCE D AT A —M ODELS WITH EC F ANS , 50 & 60 H Z . . . . . . . . . . . . 4 3.[...]

  • Page 4

    ii[...]

  • Page 5

    1 L IEBERT CW M ODEL N UMBER N OMENCLATURE CW CW = Liebert CW Floor Mount Chilled W ater Unit 1 14 D C S 2 1234 A Nominal Capa city , kW D = Downflow U = Up flow C = Chilled W ater S = Forward-Curved Centrifuga l Fan with S t andard Motor V = Forward-Curved Centrifuga l fan with V ariable Speed Drive 1 = EC Motorized Impeller 2 = 2-W ay V alve, Sta[...]

  • Page 6

    Liebert CW Performance Data—50 & 60 Hz Syste ms 2 1.0 L IEBERT CW P ERFORMANCE D AT A —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 D B, 19.3°C WB) 50% RH Total - kBTUH (kW) 142 (41.[...]

  • Page 7

    Liebert CW Performance Data—50 & 60 Hz Syste ms 3 CW026 CW038 CW041 CW051 CW060 CW076 CW084 CW106 CW114 Fan Section - Variable Pitch, Two-Belt Dri ve Package* (*Some options or combination of options may result in reduced air flow. Consult factory for recommendation.) Air Volume CFM (CMH) 5250 (8920) 6050 (10,280 ) 5900 (10,020) 9300 (15,800)[...]

  • Page 8

    Liebert CW Performance Data—Mo dels with EC Fans, 50 & 60 Hz 4 2.0 L IEBERT CW P ERFORMANCE D AT A —M ODELS WITH EC F ANS , 50 & 60 H Z 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[...]

  • Page 9

    Electrical Data—Units with EC Fans 5 3.0 E LECTRICAL D AT A —U NIT S WITH EC F ANS 3.1 CW106 and CW1 14 Electri cal Dat a with EC Fans 3.2 CW181 Electrical Da t a with EC Fans T able 1 Electrical dat a—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 5[...]

  • Page 10

    Dimensional Data 6 4.0 D IMENSIONAL D AT A Figure 1 Dimensions, CW026 - CW084 Model Dimensional Data. inches (mm) Net Weight lb (kg) AB C D E F G H J K CW026 50 (1270) 46 (1168) 35 (889) 32 (813) 48 (1219) 33 (883) 8 (203) 37 (940) 35-5/8 (905) 31 (787) 760 (345) CW038 50 (1270) 46 (1168) 35 (889) 32 (813) 48 (1219) 33 (883) 8 (203) 37 (940) 35 5/8[...]

  • Page 11

    Dimensional Data 7 Figure 2 Dimensional Dat a—50 & 60 Hz Systems CW106—CW1 14, downflow models Model Dimensional Data, inches (mm) Net Weight lb (kg) AB C D E F G H I CW106 122 (3099) 118 (2997) 35 (889) 31 (787) 120 (3048) 33 (838) 35-5/8 (905) 30 (762) 34 (864) 1785 (810) CW114 1925 (873) UNIT DI MEN SI ONAL DA T A Projection of Display B[...]

  • Page 12

    Dimensional Data 8 Figure 3 Cabinet and Floor Pla nning Dimensiona l Dat a, Downflow Model CW181 with EC Fans Note: D imensions do not include fil ter plenum shipped s eparate and field-A instal led. DPN 001694 REV 0 Note: E lectri cal connecti ons can be made from the bottom of the unit. FRON T VI EW TOP V IE W Shaded a rea indicates the required [...]

  • Page 13

    Dimensional Data 9 Figure 4 Cabinet and floor planning dimension s, up flow models—CW026 -CW084 Model No. of Blowers Dimensional Data, inches (mm) Net Weight, lb (kg) ABCD E F G H J K LM CW026 1 50 (1270) 48 (1219) 46 (1168) 44 (1118) 3 (76) 5 (127) 18 (457) 15-7/8 (403) 18-5/8 (473) 2-3/16 (55) 17-3/8 (454) — 760 (345) CW038 1 50 (1270) 48 (12[...]

  • Page 14

    Dimensional Data 10 Figure 5 Cabinet and floor plannin g dimensions, CW 106 and CW1 14 upf low models Unit Dime nsional Data Air grille suppli ed on units with front return air only Shaded are as indicate a recommended c learance of 36" (914mm) f or component access and filte r remova l. Duct Co nn ection Data Models With R ear Return Projec t[...]

  • Page 15

    Upflow Duct Conne cti on Data CW026—CW084 11 5.0 U P FLOW D UCT C ONNECTION D AT A CW026—CW084 No. of Blowers Model No. Chilled Water Dimensional Data—in. (mm) A BCD E F G H J 1 CW026 15-7/8 (403) 18-5/8 (473) 2-3/ 16 (55) 17-7 /8 (454) - 50 (1270) 35 (889) 44 (111 8) 18 (457) 1 CW038 15-7/8 (403) 18-5/8 (473) 2-3/16 (55) 17-7 /8 (454) - 50 ([...]

  • Page 16

    Blower Duct & Deck Dimensions, CW106 and CW1 14, Upflow Models 12 6.0 B LOWER D UCT & D ECK D IMENSIONS , CW106 AND CW1 14, U P FLOW M ODELS Model Blower Supply Motor, hp Dimensional Data, inches (mm) Net Weight lb. (Kg) AB C D E F CW106 15 x 15 Top Front 10-15 27-1/2 (699) 3 1/2 (89) 18-11/16 (475) 16-3/16 (411) 10 (254) 4 1/2 (114) 1785 ([...]

  • Page 17

    Electrical Specifications 13 7.0 E LECTRICAL S PECIFICATIONS T able 5 Electrical dat a—50 Hz systems Reheat Options Electric None Electric None Humidifier Options IR/SGH IR/SGH Steam or None Steam or None Models Motor HP Volts 200 230 380-415 200 23 0 380-415 200 230 380-415 200 230 380-415 CW026 2.0 FLA 46.7 43.4 24.3 19.8 17.2 9 .9 33.9 32.3 17[...]

  • Page 18

    Electrical Specifications 14 T able 7 Electrical dat a—60 Hz Systems Chilled Water Model s - 60Hz Reheat Options Electric None Electric El ectric Humidifier Options Infrared or St eam Generating Infrared or Steam Generating Steam or None Steam or None Models / Motor HP Volts 208 230 460 575 208 230 460 575 208 230 460 575 208 230 460 575 CW026 2.[...]

  • Page 19

    Electrical Specifications 15 CW106 20.0 HP (Upflow only) FLA 165.1 154.8 77.7 63.7 86.0 76.2 3 8.6 33.6 138.5 132.6 66. 1 52.1 59.4 54.0 27.0 22.0 WSA 206.4 19 3.5 97.1 79.6 107.5 95.3 48.3 4 2.0 173.1 165.8 82.6 65.1 7 4.3 67.5 33.8 27.5 MFCB 225 2 00 110 90 150 125 70 60 200 200 90 70 125 110 60 45 CW114 10.0 HP FLA 136.5 128.8 64.7 52.7 57.4 50.[...]

  • Page 20

    Guide Specifications 16 G UIDE S PECIFICATIONS 1.0 G ENERAL 1.1 Summary These specifications describe requirements for a precision environmental control system. The system shall be design ed to main tain temperature conditio ns in the r ooms containing electronic equipment. The manufacturer shall design and furnish all equip men t to be fully compa[...]

  • Page 21

    Guide Specifications 17 System Auto Restart - The auto restart feature will automa tically restart the system after a power failure. Time dela y is programmable. Sequential Load Activation - On in itial startup or restart after po wer failure, each operational load is sequenced with a minimum of one seco nd delay to minimize total inrush current. H[...]

  • Page 22

    Guide Specifications 18 The Service Menus Shall be Defined as Follows Setpoints : Menu shall allow setpoin ts within the following ranges: • Temperature Setpoint 65-85ºF (18-29ºC)* • Temperature Sensitivity +1-10ºF (0.6-5.6ºC) • Humidity Setpoint 20-80% RH* • H umidity Sensitivity 1 -30% RH • High Temperature Alarm 35-90ºF (2-32ºC) [...]

  • Page 23

    Guide Specifications 19 Advanced Menus Factory Settings : Configuration settings shall be fa ctor y-set based on the pre-defi ned component operation. Change Passw ords : Menu shall allow new passwords to be set or changed. 2.4.1 Liebert iCOM Microprocessor Control With L arge Graphic Display (Optional) The Liebert iCOM unit control with large grap[...]

  • Page 24

    Guide Specifications 20 2.5.1.4 Alarms The Liebert iCOM control shall activate an audibl e and visual alarm in event of any of the foll owing conditions: • H igh Temperature • Low Temperature • H igh Humidity • Low Humidity • Main Fan Overload (opt) • Change Filters • Loss of Air Flow • Loss of Power • Custom Alarm (#1 to #4) Cust[...]

  • Page 25

    Guide Specifications 21 2.7 High Pressure Chilled W ater Control V alve—Optional The chilled wa ter circuit shall inclu de a 3-way (2-way ) high pressure modu lating valve. The valve shall be designed for up to 400 PSI (2758 kPa) water pressure. 2.8 A-Frame Chilled W ater Coil The cooling coil shall be of A-frame design with a minimum of __ __ sq[...]

  • Page 26

    Guide Specifications 22 2.1 1.6 Floor St and The floor stand shall be constructed of a heliarc- welded, tubular steel frame. The floor stand shall have adjustable legs wit h vibration isolation pa ds. The floor stand shall be ____ inches high. 2.1 1.6.1 Floor St and T urning V ane A factory-supplied , field-mounted turning vane shall be provided. 2[...]

  • Page 27

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  • Page 28

    Ensuring The Hi gh A vai lab ilit y Of Mission-Critic al Data An d Appli c ations. Emerson Net work P ow er , the global leader in enabling business-critical continuity , ensures network re siliency and adaptabilit y through a family of technologies—inc luding Liebert power and cooling technologies—that prot ect and suppor t business-critical s[...]