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Guide Specifications—Chilled Water Environmental Control System

Liebert

®

CW

™

System Design Manual

112

3.3

LIEBERT ICOM

®

CONTROL METHODS AND OPTIONS

The Liebert iCOM shall be factory-set to allow precise monitoring and control of the condition of the air
entering and leaving the unit. This control shall include predictive methods to control air flow and cooling
capacity based control sensors installed. Proportional and Tunable PID shall also be user-selectable
options.

3.3.1

Controlling Sensor Options

The Liebert iCOM shall be flexible in the sense that it shall allow controlling the capacity and fan from
multiple different sensor selections. The sensor selections shall be:

3.3.1.1

Cooling Capacity

• Supply

• Remote

• Return

3.3.1.2

Fan Speed

• Supply

• Remote

• Return

• Manual (for diagnostic or to receive a signal from the BMS through the Liebert remote monitoring

devices or analog input)

• Static Pressure

3.3.2

Temperature Compensation

The Liebert iCOM shall have the ability to adjust the capacity output based on supply and return
temperature conditions to meet SLA guidelines while operating to highest efficiency.

3.3.3

Humidity Control

Dew point and relative humidity control methods shall be available (based on user preference) for humidity
control within the space.

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Содержание CW089

Страница 1: ...Liebert CW Thermal Management System System Design Manual 26 kW 400 kW Upflow and Downflow 50 Hz 60 Hz ...

Страница 2: ......

Страница 3: ...2 4 4 Cabinet and Floor planning Dimensions Downflow Models with Forward curved Blowers 36 4 5 Cabinet and Floor planning Dimensions Upflow Models with Forward curved Blowers 38 4 6 Floor stand Dimensions Units with EC Fans 40 4 7 Floor stand Dimensions Units with Forward curved Blowers 46 4 8 Plenum Dimensions Units with EC Fans 48 4 9 Plenum Dimensions Units with Forward curved Blowers 50 5 0 Pi...

Страница 4: ...ow Voltage Terminal Package Connections for Downflow Models CW146 and CW181 73 6 2 Electrical Field Connections Upflow Models 74 Appendix A Optional Configuration for Liebert CW Seismic Application 81 A 1 Seismic Certification Criteria 81 A 1 Site Requirements 81 A 2 Requirements for Seismic Anchorage 82 A 3 Anchor and Load Requirements of Seismic Installation 82 Appendix B Optional Liebert Air Ec...

Страница 5: ...dimensions upflow CW026 CW084 with EC fans front air return 32 Figure 4 10 Cabinet and floor planning dimensions upflow CW026 CW084 with EC fans rear and bottom air return 33 Figure 4 11 Cabinet and floor planning dimensions upflow CW106 CW114 with EC fans front return 34 Figure 4 12 Cabinet and floor planning dimensions upflow CW106 CW114 with EC fans rear return 35 Figure 4 13 Cabinet and floor ...

Страница 6: ...Figure 6 4 Electrical field connections Ethernet downflow CW089 CW106 and CW114 70 Figure 6 5 Electrical field connections downflow CW146 and CW181 with EC fans 71 Figure 6 6 Electrical field connections high voltage upflow CW026 CW084 74 Figure 6 7 Electrical field connections low voltage upflow CW026 CW084 75 Figure 6 8 Electrical field connections Ethernet upflow CW026 CW084 76 Figure 6 9 Elect...

Страница 7: ...re B 5 Liebert Air Economizer supply limit thermistor wiring and restricted airflow switch adjustment 100 Figure B 6 Liebert Air Economizer damper wiring CW026 CW084 models 101 Figure B 7 Liebert Air Economizer damper wiring CW106 CW114 Models 102 Figure B 8 Liebert Air Economizer deactivation switch terminals 103 ...

Страница 8: ...Liebert CW System Design Manual vi ...

Страница 9: ...l data Forward curved Blowers 60Hz systems 18 Table 3 3 Indoor evaporator fan motor electrical requirements 60Hz systems 20 Table 3 4 Electrical data EC fan models 50Hz 21 Table 3 5 Electrical data Forward curved blowers 50Hz systems 22 Table 3 6 Indoor evaporator fan motor electrical requirements 22 Table A 1 Comparison of certification criteria 2000 2006 81 Table A 2 Downflow Liebert CW models o...

Страница 10: ...Liebert CW System Design Manual vi Page intentionally left blank ...

Страница 11: ...its with EC fans Steam Humidifier Steam Humidifier with upflow units requires a plenum to contain the steam distribution components The minimum height for this plenum is 22 3 4 in 58 cm Steam Hot Water Reheat Package Not available on units with EC fans Turning Vanes Not available on upflow units Not available on units with EC fans CW CW Liebert CW Floor Mount Chilled Water Unit 026 D C S A 2 1234 ...

Страница 12: ...lable on CW106 and CW114 models THD Transformer Available only on the Liebert CW106 CW114 CW146 or CW181 units required for units requiring a 575V power input Variable Speed Drive Not available on 106 and 114 units with steam generating canister humidifier Not available on units with EC fans Not available on CW089 CW146 CW181 CW300 or CW400 units ...

Страница 13: ...nal 3 Filters 11 Disconnect optional 4 Coil 12 Condensate pump optional 5 Motor 13 Variable frequency drive optional 6 Blower 14 EC fans 7 Fan pulley 15 Smoke detector optional 8 Motor sheave and belts Optional EC Fan Configuration Front View 3 10 Rear View Ships loose for field installation on CW026 CW060 units 1 11 15 14 9 12 4 2 5 6 7 8 13 Optional Forward Curved Blower View DPN002869 Rev 3 Opt...

Страница 14: ...Coil 12 Condensate pump optional 5 Motor 13 Variable frequency drive optional 6 Blower 14 Plenum with EC fans optional 7 Fan Pulley 15 Smoke Detector optional 8 Motor sheave and belts Optional Forward curved Blower Configuration Front View 1 2 3 4 5 6 7 8 9 11 12 13 14 10 15 Optional EC Fan Configuration Front View Optional EC Fan Configuration Rear View Ships loose for field installation on botto...

Страница 15: ...ations Downflow front and rear supply EC fans Figure 1 4 Blower configurations Downflow bottom and under floor supply EC fans Rear Supply Applicable to installations without raised floors Front Supply Applicable to installations without raised floors Under Floor Supply requires 24 minimum height Bottom Supply ...

Страница 16: ...Liebert CW System Design Manual 6 Figure 1 5 Blower configurations Downflow under floor supply forward curved blowers Figure 1 6 Blower configurations Upflow EC fans in plenum Front Throw Rear Throw Front Return Rear Return Ducted ...

Страница 17: ...iebert CW System Design Manual Figure 1 7 Blower configurations Upflow front return forward curved blowers Figure 1 8 Blower configurations Upflow rear return forward curved blowers Front Throw Rear Throw Rear Throw Front Throw ...

Страница 18: ...Nomenclature and Components Liebert CW System Design Manual 8 Page intentionally left blank ...

Страница 19: ... 2 151 2 9 5 201 9 12 7 291 4 18 4 390 6 24 6 Pressure Drop ft kPA 25 1 75 2 36 5 109 1 29 4 87 8 19 0 56 8 18 4 55 0 19 9 59 4 32 1 95 8 37 4 111 8 38 0 113 4 63 3 189 2 19 8 59 2 42 9 128 1 18 5 55 2 40 3 120 5 CAPACITY DATA BTU H KW BASED ON 50 F 10 C ENTERING WATER 12 F 6 66 C WATER RISE 75 F DB 61 F WB 23 9 C DB 16 1 C WB 45 RH Total Capacity kBTUH kW 46 5 13 6 75 3 22 1 102 3 30 0 108 3 31 7...

Страница 20: ...l s 25 7 1 6 34 4 2 2 43 0 2 7 108 5 6 8 68 8 4 3 74 3 4 7 87 6 5 5 107 2 6 8 126 0 8 0 Pressure Drop ft kPA 23 9 71 4 34 5 103 0 27 7 82 7 68 2 203 7 18 7 56 0 20 1 60 1 32 7 97 6 37 5 112 59 7 178 3 Capacity Data BTU H kW Based on 50 F 10 C Entering Water 12 F 6 66 C Water Rise 75 F DB 61 F WB 23 9 C DB 16 1 C WB 45 RH Total Capacity kBTUH kW 41 0 12 0 68 1 20 0 94 4 27 7 101 8 29 8 150 3 44 0 1...

Страница 21: ...160 7 717 2 210 0 998 9 292 5 1284 8 376 2 Sensible kBTUH kW 383 9 112 4 466 2 136 5 548 8 160 7 717 2 210 0 998 9 292 5 1284 8 376 2 Flow Rate GPM l s 58 3 3 7 70 7 4 5 81 8 5 2 107 6 6 8 149 5 9 4 194 4 12 3 Press Drop ft kPa 11 9 35 6 20 1 60 1 6 2 18 5 13 2 39 5 5 3 15 8 11 0 32 9 16 F 8 9 C Water Rise Total kBTUH kW 359 3 105 2 446 0 130 6 519 4 152 1 692 9 202 9 944 3 276 5 1242 8 363 9 Sens...

Страница 22: ...ternal Static Pressure 0 2 0 4 0 6 0 8 1 0 1 2 1 4 Model Rated Airflow CFM l s Airflow CFM l s 026 5050 2383 5050 2383 5050 2383 5050 2383 5050 2383 5050 2383 5050 2383 5050 2383 038 5850 2761 5850 2761 5850 2761 5850 2761 5750 2714 5600 2643 5450 2572 5350 2525 041 5750 2714 5750 2714 5750 2714 5600 2643 5450 2572 5350 2525 051 9150 4318 9150 4318 9150 4318 9100 4295 8900 4200 8700 4106 8550 4035...

Страница 23: ...ans 1 1 1 2 2 2 2 2 CHILLED WATER COIL Face Area ft2 m2 11 7 1 1 18 5 1 7 25 0 2 3 36 3 3 4 Number of Rows 3 4 6 4 6 4 6 6 Face Velocity EC Fans FPM m s 450 2 28 519 2 63 510 2 59 503 2 55 503 2 55 496 2 51 476 2 41 333 1 69 Chilled Water Valves Standard valves Maximum design water pressure 150 PSI 1034 3 kPA Higher pressure available as an option Consult your sales representative for information ...

Страница 24: ... 21 9 5 N A FILTER SECTION Disposable Type Nominal Size and Quantities MERV8 and MERV11 option Downflow Models Nominal Size in 18 x 24 24 x 31 Quantity 4 4 4 6 6 8 8 5 Upflow Models Front Return Nominal Size in 24 x 24 N A Quantity 2 2 2 3 3 4 4 N A Upflow Models Bottom and Rear Return Nominal Size in 18 x 24 N A Quantity 4 4 4 6 6 8 8 N A CONNECTION SIZES Chilled Water OD Copper 1 1 8 1 3 8 1 5 8...

Страница 25: ...0 2 50 Number of Fans 3 3 CHILLED WATER COIL Face Area ft2 m2 36 3 3 4 56 3 5 3 112 6 10 6 Number of Rows 4 6 4 6 4 6 Face Velocity EC Fans FPM m s 476 1 34 373 1 89 427 2 16 359 1 82 406 2 06 Chilled Water Valves Standard valves Maximum design water pressure 150 PSI 1034 3 kPA Higher pressure available as an option Consult your Emerson representative for information Valve Actuator Sensors Body Mo...

Страница 26: ... Size in 24 x 31 21 5 x 24 29 5 x 28 5 Quantity 5 5 10 10 12 12 Upflow Models Front Return Nominal Size in 18 x 24 N A N A N A N A Quantity 2 2 N A N A N A N A Upflow Models Bottom Rear Return Nominal Size in 18 x 24 N A N A N A N A Quantity 10 10 N A N A N A N A CONNECTION SIZES Chilled Water OD Copper 2 1 8 2 5 8 3 1 8 3 1 8 3 1 8 qty 2 3 1 8 qty 2 Infrared Humidifier OD Copper 1 4 1 4 1 4 1 4 N...

Страница 27: ...48 6 18 7 18 7 8 8 7 0 OPD 150 150 70 70 60 45 30 25 110 110 60 50 25 25 15 15 CW060 Upflow FLA 114 4 106 1 56 3 53 6 45 0 45 0 40 6 22 0 20 9 19 9 87 8 83 9 44 1 40 7 31 5 18 4 18 4 9 8 8 0 6 4 WSA 143 0 132 6 70 4 67 0 56 3 56 3 50 8 27 5 26 1 24 9 109 8 104 9 55 1 50 9 39 4 20 7 20 7 11 0 9 0 7 2 OPD 150 150 80 70 60 50 50 25 30 25 110 110 60 60 40 25 25 15 15 15 CW076 FLA 124 1 119 2 63 1 58 7...

Страница 28: ...25 110 60 50 80 70 35 30 100 100 50 40 50 45 20 20 CW060 5 0 HP FLA 112 7 102 9 53 2 44 7 43 3 37 4 20 5 19 6 86 1 80 7 40 3 31 2 16 7 15 2 7 6 6 1 WSA 140 9 128 6 66 5 55 9 54 1 46 8 25 6 24 5 107 6 100 9 50 4 39 0 20 9 19 0 9 5 7 6 MFCB 150 125 70 60 60 50 30 25 110 110 50 40 35 30 15 15 CW060 7 5 HP FLA 120 2 109 7 56 6 47 6 50 8 44 2 23 9 22 5 93 6 87 5 43 7 34 1 24 2 22 0 11 0 9 0 WSA 150 3 1...

Страница 29: ...3 40 8 35 8 156 6 150 8 75 1 58 9 57 8 52 5 26 3 21 3 MFCB 200 175 90 70 125 110 50 45 175 150 80 60 100 90 45 35 CW114 20 0 HP Upflow only FLA 165 1 154 8 77 7 63 7 86 0 76 2 38 6 33 6 138 5 132 6 66 1 52 1 59 4 54 0 27 0 22 0 WSA 206 4 193 5 97 1 79 6 107 5 95 3 48 3 42 0 173 1 165 8 82 6 65 1 74 3 67 5 33 8 27 5 MFCB 225 200 110 90 150 125 70 60 200 200 90 70 125 110 60 45 Table 3 2 Electrical ...

Страница 30: ...standard fan motor size on units 2 FLA Full Load Amps does not reflect typical operating amps WSA Wire Sizing Amps Minimum supply circuit ampacity MFCB Maximum Fuse or Circuit Breaker Size 3 Amperage requirements are based on the rated max FLA current of each component in the unit The rated max FLA current of the unit is not the sum total of all components but is the total of the components which ...

Страница 31: ...8 WSA 64 4 28 3 48 4 11 0 OPD 70 25 50 15 CW060 Downflow FLA 56 7 20 6 43 9 7 8 WSA 70 9 25 8 54 9 8 8 OPD 80 30 60 15 CW060 Upflow FLA 58 7 22 6 45 9 9 8 WSA 73 4 28 3 57 4 11 0 OPD 80 25 60 15 CW076 FLA 65 9 22 6 53 1 9 8 WSA 82 4 28 3 66 4 11 0 OPD 90 25 70 15 CW084 FLA 65 9 22 6 53 1 9 8 WSA 82 4 28 3 66 4 11 0 OPD 90 25 70 15 CW089 Downflow FLA 65 9 22 6 53 1 9 8 WSA 82 4 28 3 66 4 11 0 OPD 9...

Страница 32: ...4 71 2 55 6 49 8 27 9 106 3 106 2 58 4 30 2 27 6 15 1 CW106 10 0 FLA 131 7 128 4 71 2 55 6 49 8 27 9 106 3 106 2 58 4 30 2 27 6 15 1 15 0 FLA 147 1 142 4 78 9 71 0 63 8 35 6 121 7 120 2 66 1 45 6 41 6 22 8 20 0 FLA 161 5 152 8 86 1 85 4 74 2 42 8 136 1 130 6 73 3 60 0 52 0 30 0 CW114 10 0 FLA 131 7 128 4 71 2 55 6 49 8 27 9 106 3 106 2 58 4 30 2 27 6 15 1 15 0 FLA 147 1 142 4 78 9 71 0 63 8 35 6 1...

Страница 33: ...e on the left right and in front of the unit whenever possible The minimum space required for service is 18 457mm on the left end 18 457mm on the right end and 24 610mm in front of the unit This space is necessary to permit routine maintenance such as replacing filters and adjusting the fan speed On downflow and upflow CW106 and CW114 models left end and right end minimum clearances are 0 0 mm wit...

Страница 34: ...9mm 9 229mm F OVERALL FRONT OF UNIT FRONT OF UNIT FRONT OF UNIT SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL ON ALL CW026 CW084 UNIT TYPES SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL ON ALL CW026 CW084 UNIT TYPES NOTES 1 MINIMUM CLEARANCE OF 24 610mm REQUIRED BELOW THE...

Страница 35: ...ons require unit to be placed on a minimum of a 9 floorstand b If unit is to be placed directly on the floor additional modifications are required to relocate customer connections Contact your local Liebert Sales Representative H W 2 51mm 3 76mm 48 1219mm AIR DISCHARGE OPENING 72 1829mm 50 1270mm 33 838mm 35 889mm 31 787mm Opening 46 1168mm Opening Striated area indicates the recommended minimum c...

Страница 36: ...dicates the recommended minimum clearance to be provided for component access 36 916mm 36 914mm A B 72 1829mm C Opening 31 787mm Opening 35 889mm 33 838mm D 3 1 8 79mm F E 16 408mm 16 408mm AIR DISCHARGE OPENING AIR DISCHARGE OPENING G FRONT VIEW TOP VIEW RETURN AIR OPENING Notes 1 Customer piping and wiring connections a Standard bottom connections require unit to be placed on a minimum of a 9 fl...

Страница 37: ...RALL C CABINET A OVERALL 76 1930mm MODELS WITH PRE FILTERS 76 1930mm 9 229mm B FILTER PLENUM AIR RETURN H DUCT FLANGE B DUCT FLANGE BOTTOM VIEW E J 28 711mm 28 711mm 28 711mm 31 787mm TYP 33 838mm K FRONT OF UNIT SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL STANDARD PIPING OPENING ELECTRICAL OPENINGS NOTE 1 FILTERS ARE ACCESSIBLE THR...

Страница 38: ... 3 4 45mm 3 1 8 80mm 15 7 8 403mm TYP 3 PLACES 28 7 8 732mm 29 7 8 757mm 30 1 8 765mm Notes 1 Filters are accessible from front of unit only 2 Customer piping and wiring connections a Standard bottom connections require unit to be placed on a minimum of a 9 floorstand b If unit is to be placed directly on the floor additional unit modifications are required to relocate customer connections Contact...

Страница 39: ...m 1 25mm TYP 122 3099mm 1 3 4 44mm Handle 5 16 8mm Bezel 48 1219mm 24 610mm 117 11 16 2989mm Opening Notes 1 Striated area indicates the recommended minimum clearance to be provided for component access 2 Shaded area indicates the required minimum clearance below the unit to lower the fans into the floor Fans may also remain in their shipped position if desired 3 Filter Plenum shipped separately 4...

Страница 40: ...IR DISCHARGE OPENING AIR DISCHARGE OPENING 3 1 4 83mm 1 1 2 38mm 30 11 16 779mm 27 9 16 700mm 29 1 2 749mm 18 13 16 478mm TYP 3 PLACES AIR DISCHARGE OPENING AIR DISCHARGE OPENING AIR DISCHARGE OPENING 1 1 2 38mm 3 1 4 83mm TOP VIEW FRONT VIEW REAR VIEW 36 3 8 924mm 68 1 4 1734mm 36 3 8 924mm 68 1 4 1734mm Notes 1 Standard bottom connections require unit to be placed on a minimum of 9 floorstand 2 ...

Страница 41: ...ed for the skirted floorstand and fan service clearance Filters are removed by removing front panel of the plenum Striated area indicates the recommended minimum clearance to be provided for component access 1 25mm 45 1143mm 92 2337mm 1 25mm 91 2311mm 120 3048mm 122 3099mm 1 1 2 38mm 76 1930mm 94 2388mm 18 457mm 5 16 8mm Bezel 87 2210mm Opening 118 2997mm Opening 48 1219mm 36 914mm 24 610mm 1 3 4 ...

Страница 42: ...74 1880 72 1829 755 342 1118 507 CW060 827 375 1190 540 CW076 99 2515 97 2464 1141 518 1566 710 CW084 1239 562 1664 755 C BASE 1 25mm 33 838mm BASE PROJECTION OF DISPLAY BEZEL B OVERALL 35 889mm OVERALL 72 1829mm UNIT A PLENUM NOTE DUCT FLANGES ON PLENUM TOP FOR SUPPLY AIR DUCTING WHEN SOLID PANEL PLENUM IS USED 1 25mm SHADED AREAS INDICATE A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPO...

Страница 43: ...bottom air return Chilled Water Model Dimensional Data inches mm A B C D E F CW026 44 1118 18 457 5 127 3 76 46 1168 48 1219 CW038 CW041 CW051 68 1727 20 508 4 102 70 1778 72 1829 CW060 CW076 86 2184 18 457 5 127 6 1 2 165 95 2413 97 2464 CW084 1 25mm C B A D REAR AIR RETURN MODEL RETURN AIR OPENING BOTTOM VIEW 33 838mm 31 787mm F E FRONT OF UNIT BOTTOM AIR RETURN MODEL DPN003215 Pg 2 Rev 1 ...

Страница 44: ... AIR GRILLE SUPPLIED ON UNITS WITH FRONT AIR RETURN 120 3048mm BASE 1 25mm 33 838mm BASE PROJECTION OF DISPLAY BEZEL 122 3099mm OVERALL 76 1930mm UNIT A PLENUM NOTE DUCT FLANGES ON PLENUM TOP FOR SUPPLY AIR DUCTING WHEN SOLID PANEL PLENUM IS USED 1 25mm 76 1930mm 79 1 4 2013mm EC FAN TERMINAL BOX LEFT SIDE DETAIL VIEW WITHOUT PLENUM OR EC FANS FRONT AIR RETURN MODEL SHOWN Note 1 Shaded areas indic...

Страница 45: ...nning dimensions upflow CW106 CW114 with EC fans rear return 24 1 4 616mm 2 1 4 57mm 117 1 2 2984mm RETURN AIR DUCT CONNECTION DATA MODELS WITH REAR RETURN SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 25 635mm BE PROVIDED FOR REAR RETURN FILTER REMOVAL ON ONE END OF THE UNIT RETURN AIR FILTER OPENING 22 559mm DPN003216 Pg 2 Rev 1 ...

Страница 46: ... OVERALL B AIR RETURN AIR DISCHARGE OPENINGS 72 1829mm 72 1829mm 9 229mm F OVERALL FRONT OF UNIT FRONT OF UNIT FRONT OF UNIT SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL ON ALL CW026 CW084 UNIT TYPES SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL ON ALL CW026 CW084 UNIT T...

Страница 47: ...14 1925 873 G OVERALL C CABINET A OVERALL 76 1930mm MODELS WITH PRE FILTERS 76 1930mm 9 229mm B FILTER PLENUM AIR RETURN H DUCT FLANGE B DUCT FLANGE SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL NOTE 1 FILTERS ARE ACCESSIBLE THRU TOP OF UNIT ONLY 2 ELECTRICAL CONNECTIONS CAN BE MADE FROM TOP OR BOTTOM OF UNIT SHADED AREA INDICATES A R...

Страница 48: ...84 6 5 165 5 127 18 457 18 5 8 473 2 51 12 5 8 321 1320 599 CW084 1420 644 MODELS W REAR RETURN A OVERALL 35 00 889mm CABINET 72 00 1829mm 33 00 838mm UNIT BASE B UNIT BASE D AIR RETURN F G AIR RETURN BOTTOM AIR RETURN OPENING CW026 CW084 C 31 00 787mm B 33 00 838mm E Notes 1 Air Grille may be supplied on units with front or rear return air 2 Shaded areas indicate a recommended clearance of 36 914...

Страница 49: ...NGE 35 889mm CABINET 32 813mm PLENUM FLANGE 76 1930mm 33 838mm BASE 120 3048mm BASE MODELS WITH REAR RETURN 1 DUCT FLANGE FOR PLENUM ALIGNMENT FLANGES PROVIDED ON BLOWER OUTLETS FOR SUPPLY AIR DUCTING FILTER ACCESS BOTH ENDS SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL FOR RECOMMENDED MINIMUM CLEARANCE REFER TO THE INSTALLATION MANUA...

Страница 50: ...orientation to the Liebert CW is critical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will no t lower into the floor stand 4 Jack and jack support are shipped loose and are intended to be placed into position under each fan and utilized to lower or raise that fan as needed 5 Not applicable to 24 high floorstand Leveling feet are provided with 1 ...

Страница 51: ...ntation to the Liebert CW is critical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are shipped loose and are intended to be placed into position under each fan and utilized to lower or raise that fan as needed 5 Does not apply to 24 high floorstand Leveling feet are provided with 1 1 2 3...

Страница 52: ...ring the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are shipped loose and are intended to be placed into position under each fan and utilized to lower or raise that fan as needed 5 Does not apply to 24 high floorstand Leveling feet are provided with 1 1 2 38mm adjustment from nominal height A Piping ac...

Страница 53: ...W is critical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are shipped loose and are intended to be placed into position under each fan and utilized to lower or raise that fan as needed 5 Does not apply to 24 high floorstand Leveling feet are provided with 1 1 2 38mm adjustment from nomi...

Страница 54: ...l and its orientation to the Liebert CW is critical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are shipped loose and are intended to be placed into position under each fan and utilized to lower or raise that fan as needed 5 Does not apply to 24 30 high floorstands Leveling feet are pro...

Страница 55: ...osition the blowers will not lower into the floorstand 4 Jack and jack support are shipped loose and are intended to be placed into position under each fan and utilized to lower or raise that fan as needed Leveling feet are provided with 1 1 2 38mm adjustment from nominal height 36 914mm 5 Hatched area for piping access See note 5 See note 4 Height in mm A 24 610 30 762 36 914 42 1067 48 1219 92 2...

Страница 56: ...5 Leveling feet are provided with 1 1 2 in 38 mm adjustment from nominal height H Overall unit dimension includes panels 18 458 15 381 21 553 18 458 24 610 21 553 1 25 4mm 8 203mm 3 76 2mm 25 4mm 1 B A C STANDARD PIPING AND ELECTRICAL ENTRANCE LOCATION E D OPTIONAL STEAM HOT WATER REHEAT OR HUMIDIFIER PIPING ENTRANCE LOCATION AIR DISCHARGE OPENING 1 25 4mm 2 50 8mm 16 1 4 413mm LENGTH OF VANE D 1 ...

Страница 57: ...h 1 1 2 in 38 mm adjustment from nominal height H This figure pertains to CW106 and CW114 with forward curved blowers only Overall unit dimension includes panels 12 305 9 229 15 381 12 305 18 458 15 381 21 553 18 458 24 610 21 553 H 1 1 2 38mm 1 25 4mm K E 1 25 4mm D STANDARD PIPING AND ELECTRICAL ENTRANCE LOCATION B C A LEG SUPPORTS SUPPLIED ON 18 21 24 HIGH MODELS J LENGTH OF VANE E 1 8 3mm OPTI...

Страница 58: ...1 CW060 74 1880 70 1778 62 1575 6 152 5 85 0 54 Top discharge only 30 762 CW076 CW084 99 2515 95 2413 70 1778 14 1 2 368 6 83 0 63 Top discharge only 36 914 NOTE TOP DUCT FLANGES ON PLENUM TOP FOR SUPPLY AIR DUCTING WHEN SOLID PANEL PLENUM IS USED BOTH TOP DUCT OPENINGS AND FRONT GRILL ARE SHOWN SEE SPECIFICATION SHEET FOR SPECIFIC APPLICATION C G B F E A D C D 20 508mm 2 51mm 25mm 1 1 25mm 2 51mm...

Страница 59: ...n mm Supply Air J Grille and Top discharge 22 75 5 78 Top discharge only 30 762 Top discharge only 36 914 C D B 25mm 1 25mm 1 508mm 1 25mm 2 50 8mm C D 1 25mm 2 50mm A E E I 20 J 1 5 38mm F G H NOTE TOP DUCT FLANGES ON PLENUM TOP FOR SUPPLY AIR DUCTING WHEN SOLID PANEL PLENUM IS USED BOTH TOP DUCT OPENING AND GRILLES SHOWN SEE SPEC SHEET FOR SPECIFIC APPLICATION Shaded areas indicate a recommended...

Страница 60: ...76 4 29 0 40 20 508 1 25 CW051 CW060 74 1880 70 1778 60 1524 7 178 5 85 0 54 22 3 4 578 2 3 8 60 CW076 CW084 99 2515 95 2413 70 1778 14 1 2 368 6 83 0 63 34 3 4 883 NOTE FLANGES PROVIDED ON BLOWER S OUTLET FOR SUPPLY AIR DUCTING WHEN SOLID PANEL PLENUM IS USED BOTH TOP DUCT OPENINGS AND FRONT GRILL ARE SHOWN SEE SPECIFICATION SHEET FOR SPECIFIC APPLICATION FLANGE IS STANDARD ON ALL UNITS EXCEPT DO...

Страница 61: ...118 3 1 2 89 4 102 7 178 16 406 10 14 0 94 Plenum Height in mm K L 20 508 1 25 22 3 4 578 2 3 8 60 34 3 4 883 C D K B 1 25mm 1 25mm 1 25mm 2 51mm C D 2 51mm Flange is standard on all units except downflow models where it must be specified if required Both top duct openings and front grills are shown See specification sheet for specific application A E J 18 457mm F G H L Note Flanges provided on bl...

Страница 62: ...Dimensions Liebert CW System Design Manual 52 Page intentionally left blank ...

Страница 63: ...AB Bleed Valve 3 Way Chilled Water Valve Air Flow Chilled Water Coil 3 WAY VALVE Chilled Water Supply Chilled Water Return Shut Off Valves Hose Bibs Valve Actuator 2 Way Chilled Water Valve Bleed Valve Air Flow Chilled Water Coil 2 WAY VALVE Flow Switch Optional Ball Valve Optional Ball Valve Optional FACTORY PIPING FIELD PIPING Components are not supplied by Liebert but are required for proper ci...

Страница 64: ...LVE Chilled Water Supply Chilled Water Return Shut Off Valves Hose Bibs 2 Way Chilled Water Valve Air Flow Chilled Water Coil FACTORY PIPING FIELD PIPING Components are not supplied by Liebert but are required for proper circuit operation and maintenance 3 WAY VALVE Ball Valve Optional A AB B A AB B 3 Way Chilled Water Valve Valve Actuator Flow Switch Optional Ball Valve Optional Bleed Valve Bleed...

Страница 65: ...illed Water Valve Air Flow Chilled Water Coil 3 WAY VALVE Chilled Water Supply Chilled Water Return Shut Off Valves Hose Bibs Valve Actuator 2 Way Chilled Water Valve Bleed Valve Air Flow Chilled Water Coil FACTORY PIPING FIELD PIPING 2 WAY VALVE Flow Switch Optional Ball Valve Optional Components are not supplied by Liebert but are required for proper circuit operation and maintenance AB Ball Val...

Страница 66: ...1 31 5 8 803 2 1 2 64 LV Low Volt Electrical Connection 35 7 16 900 31 5 8 803 7 8 22 B Blower Outlet Opening 4 101 33 838 28 1 16 x 31 714 x 787 Field pitch Condensate Drain line a minimum of 1 8 3 2 mm per foot 305 mm All units contain a factory installed condensate trap Do not trap external to the unit Drain line may contain boiling water Select appropriate drain system materials The drain line...

Страница 67: ...Electrical Connection 59 1 2 1512 32 813 7 8 22 B Blower Outlet Opening 4 101 33 838 51 x 31 1295 x 787 Field pitch Condensate Drain line a minimum of 1 8 3 2 mm per foot 305 mm All units contain a factory installed condensate trap Do not trap external to the unit Drain line may contain boiling water Select appropriate drain system materials The drain line must comply with all local codes Optional...

Страница 68: ... 30 7 8 784 3 76 LV Low Volt Electrical Connection 81 3 8 2067 31 7 16 799 7 8 22 B Blower Outlet Opening 9 13 16 249 33 838 60 13 16 x 31 1544 x 787 Field pitch Condensate Drain line a minimum of 1 8 3 2 mm per foot 305 mm All units contain a factory installed condensate trap Do not trap external to the unit Drain line may contain boiling water Select appropriate drain system materials The drain ...

Страница 69: ... 2 5 8 E1 Electrical Connection High Volt 35 889 31 787 2 E2 Electrical Connection High Volt 34 864 29 737 2 LV1 Electrical Connection Low Volt 35 1 2 902 26 1 2 673 1 3 8 LV2 Electrical Connection Low Volt 33 1 2 851 26 1 2 673 1 3 8 B Blower Outlet 4 102 33 838 94 x 31 2388mm x 787mm Field pitch condensate drain line a minimum of 1 8 3 2 mm per foot 305 mm All units contain a factory installed c...

Страница 70: ...092 2 LV1 Electrical Conn Low Volt 2 1 2 64 36 914 7 8 LV2 Electrical Conn Low Volt 2 1 2 64 37 1 2 953 7 8 LV3 Electrical Conn Low Volt 2 1 2 64 39 991 7 8 B Blower Outlet 4 1 2 114 44 1118 93 x 41 2362 mm x 1041 mm Field pitch condensate drain line a minimum of 1 8 3 2 mm per foot 305 mm All units contain a factory installed condensate trap Do not trap external to the unit Drain line may contain...

Страница 71: ...Electrical Conn High Volt 9 229 4 102 2 E2 Electrical Conn High Volt 12 305 4 102 2 LV1 Electrical Conn Low Volt 119 1 2 3035 11 279 7 8 LV2 Electrical Conn Low Volt 119 1 2 3035 9 1 2 241 7 8 LV3 Electrical Conn Low Volt 119 1 2 3035 8 203 7 8 B Front Blower Outlet 24 1 2 622 3 76 93 x 41 2362mm x 1041mm C Rear Blower Outlet 24 1 2 622 48 1219 93 x 41 2362mm x 1041mm Field pitch Condensate Drain ...

Страница 72: ...EAM TRAP RETURN Y STRAINER SUPPLY OPTIONAL REHEAT SCHEMATICS NOTE Install all piping per local codes Condensate Drain Field pitch a min of 1 8 3mm per ft 305mm 3 4 NPT for units without factory installed condensate pump Do not install an external trap 1 2 OD CU for units with factory installed condensate pump 1 4 OD CU Humidifier Supply Line Steam Gen Infrared B Chilled Water Return Line Chilled W...

Страница 73: ...all piping per local codes Condensate Drain Field pitch a min of 1 8 3mm per ft 305mm 1 1 8 NPT for units without factory installed condensate pump Do not install an external trap 1 2 OD CU for units with factory installed condensate pumps 1 2 NPT Male Steam Humidifier Return Line 1 2 NPT Male Steam Humidifier Supply Line C D Steam Hot Water Reheat Supply Line E F Steam Hot Water Reheat Return Lin...

Страница 74: ...y Line NOTE Install all piping per local codes PLENUM LEFT END PANEL PLENUM FIELD PIPING LOCATIONS For separate steam or hot water plenum in UPFLOW units piping may exit through bottom top or sides by field cutting an opening in a suitable location Steam or hot water plenum piping connections are located at the left side of the plenum UNIT FIELD PIPING LOCATIONS Piping stubbed out inside unit end ...

Страница 75: ...cutting an opening in a suitable location A Chilled Water Supply Line 2 5 8 O D CU on 3 way front return units only 1 4 OD CU Humidifier Water Supply Line UNIT LEFT END PANEL 1 25mm REAR PANEL Condensate Drain Field pitch a min of 1 8 3mm per ft 305mm 1 1 4 NPT for units without a factory installed condensate pump 1 2 OD CU for units with factory installed condensate pump Do not install an externa...

Страница 76: ...Piping Liebert CW System Design Manual 66 Page intentionally left blank ...

Страница 77: ...rvice not by Liebert Electric conduit knockouts on bottom of electric box Knockouts sizes 1 3 8 35mm or 1 3 4 45mm or 2 1 2 64mm Electrical handy box factory installed with cover Common alarm connection Field supplied 24V Class 2 wiring to common alarm pigtails 75 76 which are factory connected to common alarm relay R3 Remote unit shutdown Replace existing jumper between terminals 37 38 with norma...

Страница 78: ... unit to unit U2U networking unplug the cable from P64 on the iCOM board and from ETH 1 on the touch screen display Remove the cable The first customer connection point will be to ETH 1 on the display The second customer connection point will be P64 at the iCOM control board Alternatively the cable can be unplug at P64 on the iCOM control board and plug into a straight thru Ethernet coupler Not pr...

Страница 79: ...rm terminals 75 76 which are factory connected to common alarm relay R3 Smoke detector alarm connections Field supplied 24V Class 1 wire to remote alarm circuits Factory wired terminals from optional smoke detector are 91 comm 92 NO and 93 NC Customer alarm connections Field supplied 24V Class 1 wire for customer alarm terminals24 50 51 55 56 Remote unit shutdown Replace existing jumper between te...

Страница 80: ...t Frame Unit Bottom Bottom Entrance Monitoring Panel To display 1 To provide unit to unit U2U networking unplug the cable from P64 on the iCOM board and from ETH 1 on the touch screen display Remove the cable The first customer connection point will be to ETH 1 on the display The second customer connection point will be P64 at the iCOM control board Alternatively the cable can be unplug at P64 on ...

Страница 81: ... 50 51 55 56 Use field supplied Class 1 wiring Terminal availability varies by unit options 7 Common alarm On any alarm normally open dry contact is closed across Terminals 75 and 76 for remote indication 1A 24VAC maximum load Use Class 1 field supplied wiring A B C D 37 C 3 8C 37B38B 37 38 24 50 51 55 56 11 12 58 59 84 85 94 95 96 97 75 76 91 92 93 80 81 82 83 88 89 13 12 19 7 15 6 17 5 18 14 106...

Страница 82: ...d at Terminals 82 and 83 for lockout of reheat and humidifier 15 Condensate alarm with condensate pump option On pump high water indication normally open dry contact is closed across Terminals 88 and 89 for remote indication 1A 24VAC maximum load Use field supplied Class 1wiring 16 Remote humidifier On any call for humidification normally open dry contact is closed across terminals 11 12 to signal...

Страница 83: ...across Terminals 94 and 95 and 96 and 97 for remote indication 1A 24VAC maximum load Use Class 1 field supplied wiring 24 Main fan auxiliary switch On closure of main fan contactor normally open dry contact is closed across Terminals 84 and 85 for remote indication 1A 24VAC maximum load Use Class 1 field supplied wiring 25 Liebert Liqui tect shutdown and dry contact On Liebert Liqui tect activatio...

Страница 84: ...ectric service connection terminals when factory disconnect switch is supplied Factory installed disconnect switch optional May be fused disconnect with internal fuses Three phase electric service not by Liebert Electric conduit knockouts on bottom of electric box Knockouts sizes 1 3 8 35mm or 1 3 4 45mm or 2 1 2 64mm Three phase connection Electric service connection terminals when factory fused ...

Страница 85: ...e alarm circuits Factory wired Field supplied 24V Class 2 wire to Factory Wiring Back of Electric Box Back of Unit Underside of Unit Top 75 76 94 95 96 97 Common Alarm Connections Field supplied 24V Class 2 wiring to common alarm terminals 75 76 which are factory connected to common alarm relay R3 Optional extra common alarm terminals 94 95 and 96 97 are also connected to R3 relay 24V Class 2 wire...

Страница 86: ...nce 1 1 1 To display P64 NOTE REFER TO SPECIFICATION SHEET FOR FULL LOAD AMP AND WIRE SIZE AMP RATINGS 1 To provide unit to unit U2U networking unplug the cable from P64 on the iCOM board and from ETH 1 on the touch screen display Remove the cable The first customer connection point will be to ETH 1 on the display The second customer connection point will be P64 at the iCOM control board Alternati...

Страница 87: ...ding wire Three phase connection 60Hz Electric service connection terminals when factory disconnect switch is NOT supplied Three phase connection Electric service connection terminals when factory disconnect switch is supplied Factory installed disconnect switch optional May be fused disconnect with internal fuses Three phase electric service not by Liebert Electrical conduit knockouts in top of e...

Страница 88: ...NC Smoke detector alarm connections Replace field supplied 24V Class 1 wire having a minimum 50VA rating Use 37 38 with normally closed switch existing jumper between terminals Remote unit shutdown Intellislot Housings Optional Monitoring and Communication cards inserted here alarms supplied 24V Class 1 wire for special Field Special alarm connections common alarm relay R3 which are factory connec...

Страница 89: ...s Remove knockout 1 1 To display P64 NOTE Refer to specification sheet for full load amp and wire size amp ratings 1 To provide unit to unit U2U networking unplug the cable from P64 on the iCOM board and from ETH 1 on the touch screen display Remove the cable The first customer connection point will be to ETH 1 on the display The second customer connection point will be P64 at the iCOM control boa...

Страница 90: ...Electrical Field Connections Liebert CW System Design Manual 80 Page intentionally left blank ...

Страница 91: ...his certification limited by the Sds value stated above A seismic importance factor Ip of 1 5 applies to this certification to include essential facility requirements and life safety applications for post event functionality A seismic importance factor Ip of 1 5 applies to this certification to include essential facility requirements and life safety applications for the Liebert CW system s functio...

Страница 92: ...lation of all anchors and mounting hardware observing the mounting requirement details outlined by the engineer of record Contact the manufacturer s representative if a detailed Seismic Installation Calculation Package is required NOTE The floor stand used with EC units is not symmetrical and its orientation to the Liebert CW is critical to lowering the EC fans Unless the floor stand is installed ...

Страница 93: ...s per Location Tension Shear Tension Shear CW026 CW041DC1 953 4 402 4 134 7 845 1 269 7 2 994 4 593 9 140 1 1246 2 280 6 2 CW051CW060DC1 1318 4 466 7 181 6 1028 8 363 2 2 1368 4 692 7 188 2 1523 376 4 2 CW076 CW084DC1 1621 6 385 6 153 9 847 308 2 1690 6 574 6 160 1258 9 320 2 2 CW089 CW114DC1 2255 6 539 211 5 1203 2 423 2 2333 6 788 218 3 1753 9 436 7 2 CW146 CW181DC1 3136 6 943 284 7 2017 7 569 6...

Страница 94: ...1 CW076 CW084UCS 1519 6 1074 2 303 9 1 CW089 CW114UCS 2065 6 1094 7 398 1 Operating mass includes the operating water volume floor stand and plenum Table A 7 Upflow Liebert CW models direct mount to concrete with 36 plenum CW026 CW114 Model Number Operating Mass Restraint Locations Maximum Load per Anchor Anchors per Location Tension Shear CW026 CW041UCS 1065 6 929 8 226 1 CW051 CW060UCS 1461 6 12...

Страница 95: ...nchor Size in A B CW026 CW038 CW041 50 1270 29 737 1 2 CW051 CW060 74 1880 29 737 1 2 CW076 CW084 99 2515 29 737 1 2 CW106 CW114 122 3099 29 737 1 2 Anchor bolt sized per Hilti Kwik Bolt TZ carbon and stainless in concrete ICC ESR 1917 Alternates are subject to review by Emerson or engineer of record 2 6 67mm FIELD WELDING OF ANCHOR BRACKET TYPICAL 4 PLACES A B ANCHOR LOCATION TYPICAL 6 PLACES MIN...

Страница 96: ...Anchor bolt sized per Hilti Kwik Bolt TZ carbon and stainless in concrete ICC ESR 1917 Alternates are subject to review by Emerson or engineer of record ANCHOR DETAIL TYPICAL 6 PLACES MIN EMBEDMENT MIN HOLE DEPTH MIN PAD THICKNESS FLOOR ANCHORING DIMENSIONS 1 8 3mm FIELD WELDING OF UNIT TO FLOORSTAND UNIT MUST BE WELDED TO FLOORSTAND TO MAINTAIN CERTIFICATION ANSI B18 22 1 TYPE A SERIES W PLAIN WA...

Страница 97: ...CS 3 76 2 4 101 6 4 12 304 8 CW114DC1 4 101 6 6 152 4 6 36 914 4 CW181DC1 6 152 4 8 203 2 F DETAIL F 1 8 FASTENED TO THE SHAKE TABLE USING 1 2 A325 BOLTS 6 0 152mm 6 PLACES FRONT PLAN VIEW OF ATTACHMENT ANGLES FRONT PLAN VIEW OF UNIT ATTACHMENT G DETAIL G B 2 PLACES A A A A 4 PLACES B TOTAL C 7 8 GRADE 7 THREADED RODS WITH 1 8 THICK NEOPRENE PAD FLOORSTAND SUPPORTED LIBERT CW ANCHORAGE FLOOR MOUNT...

Страница 98: ... 1880 72 1829 CW076 CW084 99 2515 97 2464 CW89 CW106 CW114 120 3048 118 2997 JACK Foot provides 1 5 38mm adjustment from nominal height H Foot Detail 4 6 117mm A B H 18 4 467mm NOTE 1 The floor stand used with EC units is not symmetrical and its orientation to the Liebert CW is critical to lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower i...

Страница 99: ...3 0 JACK Foot provides 1 5 38mm adjustment from nominal height H Foot Detail 4 6 117mm B 7 171mm A H 18 5 469mm NOTE 1 The floor stand used with EC units is not symmetrical and its orientation to the Liebert CW is critical to lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 2 Applicable only to 48 tall floorstand 3 Not...

Страница 100: ...M HOLD DOWN CLIP DIMENSIONS PLENUM HOLD DOWN CLIP DETAIL FRONT PANEL REMOVED FOR CLARITY BOTH TOP DUCT OPENING AND FRONT GRILL ARE SHOWN SEE SPECIFICATION SHEET FOR SPECIFIC APPLICATION 8 SELF DRILLING SCREWS THROUGH CLIP UNIT DUCT COLLAR AND PLENUM PANEL FLANGE ALL CLIPS AND FASTENERS ARE REQUIRED TO MAINTAIN IBC CERTIFICATION OF CONFORMITY NOTE FLANGES PROVIDED ON BLOWER S OUTLET FOR SUPPLY AIR ...

Страница 101: ...P DIMENSIONS PLENUM HOLD DOWN CLIP DETAIL FRONT PANEL REMOVED FOR CLARITY INTERMEDIATE SUPPORT PANEL S PROVIDED ON IBC CERTIFIED TOP DUCT COLLAR PLENUMS ONLY CW051 AND LARGER NOTE FLANGES PROVIDED ON BLOWER S OULET FOR SUPPLY AIR DUCTING WHEN SOLID PANEL PLENUM IS USED 8 SELF DRILLING SCREWS THROUGH CLIP UNIT DUCT COLLAR AND PLENUM PANEL FLANGE TYPICAL ALL LOCATIONS 1 4 SELF DRILLING SCREWS THROUG...

Страница 102: ...ement Flexible loops shall be capable of movement in the X Y and Zplanes and must completely isolate the equipment from the duct work Refer to Liebert installation instructions for ducting requirements Follow manufacturer s installation instructions for proper seismic application of flexible ducts Seismic compensation Seismic compensation Seismic compensation Seismic compensation DOWNFLOW DUCTING ...

Страница 103: ... CW114U ONLY Three phase electrical and low voltage connections not by Liebert Seismic compensation Field supplied disconnect switch when factory installed unit disconnect switch is not provided Factory installed unit disconnect switch optional Monitoring panel Flexible conduit and conductors must be provided to allow for movement of the unit in three dimensions during a seismic event The flexible...

Страница 104: ...tion To unit FLEXIBLE LOOP EXAMPLE Flexible Loops All units either rigidly mounted or mounted on vibration isolators shall be attached to the piping system using flexible loops designed for seismic movement Flexible loops shall be capable of movement in the X Y and Zplanes and must completely isolate the equipment from the piping The loops shall be suitable for an operating pressure and temperatur...

Страница 105: ... cooling unit to control the Liebert Air Economizer B 1 Customer supplied Equipment and Ductwork Installation and operation requires outside air entry ductwork with louvers screening and filtration to prevent intrusion of precipitation particulates vermin and unauthorized entry see Figure B 1 Proper installation also requires a customer provided powered relief air discharge to rid the structure of...

Страница 106: ...OM RETURN OUTSIDE AIR ENTRY Return Air Sensors Field install above damper Supply Air Limit Thermistor Field install under floor Outdoor Air Sensors Field install inside duct Filter by others Outdoor Opening by others Outdoor Relief Opening by others Room Relief Air Discharge Sized and provided by others RELIEF AIR Outside Air Duct by others DPN001333 Rev 0 ...

Страница 107: ... to dimensions and layout for your unit Plenum Front of CW Unit Room Return Air Damper 76 1930mm 36 914mm 34 864mm 1 25mm 1 25mm 22 559mm REAR VIEW LEFT SIDE VIEW TOP VIEW FRONT VIEW REF ONLY 1 25mm Duct Collar 12 305mm Outside Air Damper 30 1 16 764mm 112 2845mm 118 2996mm Duct Flange 2 51mm 83 2108mm Access Panel for 2 51mm Pre Filters 122 3099mm Front of unit DPN003226 Rev 1 ...

Страница 108: ...ions inches mm A B C CW026D CW038D CW041D 46 1168 50 1270 40 1016 CS051D CW060D 70 1778 74 1880 64 1626 CW076D CW084D 95 2413 99 2515 89 2261 Source DPN003227 Rev 1 Plenum Front of CW Unit Room Return Air Damper 72 1828mm 36 914mm 34 864mm 1 25mm 1 25mm REAR VIEW LEFT SIDE VIEW TOP VIEW FRONT VIEW Ref only 1 25mm Duct Collar Outside Air Damper 30 1 16 764mm A Duct Flange Access Panel for 2 51mm Pr...

Страница 109: ...T P66 ON THE RETURN AIR T H SENSOR TO P67 ON THE CONTROL BOARD USING CABLE PROVIDED DETAIL B MOUNT OUTDOOR AIR SENSOR INSIDE OF OUTDOOR AIR PLENUM SECURE RING TERMINAL FOR SENSOR CABLE SHIELD INTO METAL DUCT EARTH GROUND CONNECT P66 ON THE OUTDOOR AIR T H SENSOR TO P67 ON THE RETURN AIR T H SENSOR USING CABLE PROVIDED ROUTE CABLE THROUGH CUSTOMER CREATED HOLE IN PLENUM THEN SEAL OUTDOOR AIR T H SE...

Страница 110: ...FLOW 120 FRAME CHILLED WATER LOCATION SECURE SUPPLY AIR THERMISTOR IN AIR FLOW LIEBERT DS AND CW026 CW084 UNIT LOCATION P13 FACTORY CONNECTED DETAIL E RESTRICTED AIR FLOW SWITCH ALARM SETPOINT KNOB ADJUSTMENT INSTRUCTIONS 1 UNIT MUST BE RUNNING 2 TURN ADJUSTMENT KNOB CLOCKWISE UNTIL YOU HEAR IT TRIP UNIT WILL ALSO ALARM 3 TURN BACK COUNTERCLOCKWISE 1 2 TURN FOR STANDARD UNITS 1 TURN FOR UNITS WITH...

Страница 111: ...AS SHOWN CONFIRM TIES ARE TIGHTENED TO SECURE CABLE CABLE TIES ANCHORS ROUTE CABLE THROUGH LOOSE CABLE TIE ON BOTTOM PLATE OF ECONOMIZER TIGHTEN TO PROVIDE STRAIN RELIEF FIELD SUPPLIED OUTDOOR AIR DUCT RETURN AIR T H SENSOR RETURN AIR DAMPER OUTDOOR AIR DAMPER FRONT VIEW A DETAIL A LIEBERT CONTROL BOARD LOCATION ROUTE CABLES THROUGH HOLES IN TOP OF ELECTRIC BOX AND INTO THE BOTTOM OF ECONOMIZER 2 ...

Страница 112: ... BOARD LOCATION PROVIDE STRAIN RELIEF USING CABLE TIE ANCHORS AS SHOWN CONFIRM TIES ARE TIGHTENED TO SECURE CABLE CABLE TIES ANCHORS ROUTE CABLE THROUGH LOOSE CABLE TIE ON BOTTOM PLATE OF ECONOMIZER TIGHTEN TO PROVIDE STRAIN RELIEF FIELD SUPPLIED OUTDOOR AIR DUCT RETURN AIR T H SENSOR OUTDOOR AIR T H SENSOR IDENTIFIED WITH OUTDOOR LABEL ROUTE CABLES THROUGH HOLES IN TOP OF ELECTRIC BOX AND INTO BO...

Страница 113: ...N ALTERNATE LOCATION IN SMALLER CHILLED WATER UNITS IS OPPOSITE END OF ELECTRIC BOX AIR ECONOMIZER DEACTIVATION SWITCH TERMINALS 24 AND 51 FACTORY INSTALLED JUMPER CUSTOMER TO REMOVE JUMPER AND CONNECT NORMALLY CLOSED CONTACT TO TERMINALS 24 AND 51 OPEN CONTACT TO DEACTIVATE AIR ECONOMIZER FUNCTIONALITY MAIN UNIT WILL CONTINUE TO RUN WITHOUT AIR ECONOMIZER FEATURE ALTERNATE LOCATION ON LIEBERT DS ...

Страница 114: ...Optional Liebert Air Economizer for Liebert CW Liebert CW System Design Manual 104 Page intentionally left blank ...

Страница 115: ...e AHRI Certified the trusted mark of performance assurance for heating ventilation air conditioning and commercial refrigeration equipment using AHRI Standard 1360 1 3 SUBMITTALS Submittals shall be provided with the proposal and shall include Single Line Diagrams Dimensional Electrical and Capacity Data Piping and Electrical Connection Drawings 1 4 SERVICEABILITY ACCESS The cabinet shall be desig...

Страница 116: ...front 2 1 2 2 Upflow Top Air Supply Rear Throw The supply air shall exit from the top of the cabinet or plenum with the air throw toward the back 2 1 2 3 Upflow Rear Air Supply The supply air shall exit from the back of the cabinet 2 1 2 4 Upflow Air Return Front The return air shall enter the unit from the front of the cabinet through factory installed grilles Grilles shall be painted black 2 1 2...

Страница 117: ...m either end of the unit 2 2 1 Filters 4 in MERV8 and MERV11 Filters shall be deep pleated 4 in filters with an ASHRAE 52 2 MERV8 rating 45 ASHRAE 52 1 or ASHRAE 52 2 MERV11 rating 60 65 ASHRAE 52 1 2 2 2 Filters 2 in Pre filter with 4 in Filter MERV8 and MERV11 Filters shall be 2 in ASHRAE 52 2 MERV8 rating 45 ASHRAE 52 1 pre filter with 4 in ASHRAE 52 2 MERV8 rating 45 ASHRAE 52 1 or MERV11 60 6...

Страница 118: ...g speed of 1520 rpm quantity 2 Downflow CW106 CW114 The fan motors shall be 4 0 hp 3 0 kW with a maximum operating speed of 1520 rpm quantity 3 CW146 The fan motors shall be 3 7 hp 2 8 kW with a maximum operating speed of 1230 rpm quantity 3 CW181 The fan motors shall be 4 9 hp 3 7 kW with a maximum operating speed of 1370 rpm quantity 3 Forward Curved Blower The blower section shall be designed f...

Страница 119: ...ifier supply water 2 7 2 Steam Generating Canister Humidifier OPTIONAL A canister type steam generating humidifier shall be factory installed in the cooling unit and operated by the Liebert iCOM control system It is complete with disposable cylinder all supply and drain valves steam distributor and electronic controls The need to change the canister is indicated on the Liebert iCOM display System ...

Страница 120: ... have search fields for efficient navigation and parameter lookup Setup Wizards The Liebert iCOM shall contain step by step tutorials or wizards to permit easy setup of the control Context Sensitive Help The Liebert iCOM will have an on board help database The database shall provide context sensitive help to assist with setup and navigation of the menus Display Setup The user shall be able to conf...

Страница 121: ...ontroller board shall be diagnosed and reported as pass not pass Control inputs shall be indicated as On or Off at the front display Control outputs shall be able to be turned On or Off from the front display without using jumpers or a service terminal Each control output shall be indicated by an LED on a circuit board 3 2 ALARMS All unit alarms shall be annunciated through both audio and visual c...

Страница 122: ...xible in the sense that it shall allow controlling the capacity and fan from multiple different sensor selections The sensor selections shall be 3 3 1 1 Cooling Capacity Supply Remote Return 3 3 1 2 Fan Speed Supply Remote Return Manual for diagnostic or to receive a signal from the BMS through the Liebert remote monitoring devices or analog input Static Pressure 3 3 2 Temperature Compensation The...

Страница 123: ... Chilled Water Valve or Economizer is controlled through unit supply air conditions The Liebert iCOM calculates the average or worst case sensor reading user selectable for heating cooling humidification and dehumidification Based on the demand within the group units will be allowed to operate within that mode until room conditions are satisfied This is the best form of control for a room with an ...

Страница 124: ...me delay shall be programmable An optional capacitive buffer may be provided for continuous control operation through a power failure 3 10 WIRED SUPPLY SENSOR Each Liebert iCOM shall have one factory supplied and connected supply air sensor that may be used as a controlling sensor or reference When multiple sensors are applied for control purposes the user shall be able to control based on a maxim...

Страница 125: ... be able to control based on a maximum or average temperature reading 4 5 WIRED REMOTE SENSOR S OPTIONAL Each Liebert iCOM shall have up to 10 2T sensors 20 sensor readings total for control or reference As part of the U2U network these sensors shall be shared and used to control the cooling units and provide greater flexibility visibility and control using that to respond to changes in the condit...

Страница 126: ...d shall be provided for monitoring and or control The communication card shall be capable of connecting to the Building Management System Building Automation System using the following protocols BACnet IP BACnet over Internet Protocol BACnet MSTP BACnet Master Slave Token Passing MSTP communications protocol over a RS 485 serial network also known as BACnet MSTP RS 485 Modbus RTU Modbus Remote Ter...

Страница 127: ...the capability of monitoring and changing at the user s direction the temperature setpoints and sensitivities of each unit The printer shall provide the user with chronological alarm information It shall also be capable of being programmed to print out environmental conditions or operating modes at each unit 4 18 LOW VOLTAGE TERMINAL PACKAGE INCLUDES OPTIONAL Remote Shutdown Terminals 2 additional...

Страница 128: ...height only available on Downflow units with Forward curved Blowers 4 21 3 Seismic rated Floor Stand Optional The floor stand shall be seismic rated and shall be bolted to the unit frame 4 22 RETURN AIR PLENUM FOR DOWNFLOW UNITS OPTIONAL The air plenum shall be constructed of 20 gauge steel powder coated to match unit color A door shall be included in the front of the plenum to enable front filter...

Страница 129: ... instructions Test controls and demonstrate compliance with requirements These specifications describe requirements for a computer room environmental control system The system shall be designed to maintain temperature and humidity conditions in the rooms containing electronic equipment The manufacturer shall design and furnish all equipment to be fully compatible with heat dissipation requirements...

Страница 130: ...Guide Specifications Chilled Water Environmental Control System Liebert CW System Design Manual 120 Page intentionally left blank ...

Страница 131: ...tá em conformidade com as directivas da União Europeia Tillverkaren tillkännager härmed att den här produkten när den är CE märkt överensstämmer med EU s direktiv De fabrikant verklaart hierbij dat dit product indien het van de CE markering is voorzien conform de EU richtlijnen is Valmistaja vakuuttaa täten että mikäli tuotteessa on CE merkintä se täyttää seuraavien EU direktiivien vaatimukset Pro...

Страница 132: ...ove Di Sacco PD Italy 39 049 9719 111 Fax 39 049 5841 257 Asia 7 F Dah Sing Financial Centre 108 Gloucester Road Wanchai Hong Kong 852 2572220 Fax 852 28029250 While every precaution has been taken to ensure the accuracy and completeness of this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors ...

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