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Liebert 60 HZ manual

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Table of contents for the manual

  • Page 1

    H EAT R EMOVAL /E NVIRONMENT AL C ONTROL Dr ycooler s - 60 Hz G ENERAL D AT A[...]

  • Page 2

    [...]

  • Page 3

    i T ABLE OF CONTENTS L IEBERT D RYCOOLERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 F EATURES AND B ENEF IT S OF L IEBERT D RYCOOLERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 S ELECTION P ROCEDU RE . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    ii Figures Figure 1 Drycooler model numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2 Capacity correction factor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 3 Pressure drop correction [...]

  • Page 5

    1 L IEBERT D RYCOOLERS Liebert drycoolers are designed to be used in conjunctio n with water cooled refrigerat ion and air conditioning machines as well as a variety of commercial and industri al applications requiring the rejection of heat from machinery or processes via a cooling fl uid. During periods of low ambient temperatures, drycoolers may [...]

  • Page 6

    2 F EATURES AND B ENEFITS OF L I EBERT D RYCOOLERS Heat Rejection Module The low-profile direct-driv e propelle r-fan type drycoolers utilize optimum circuitry to balance the heat rejec- tion of the corresponding load. Constructed of al uminum with a copper-tube aluminum coil, the unit is quiet and corrosion resistant. Low Noise Level All Liebert d[...]

  • Page 7

    3 S ELECTION P ROCEDURE Table 4 shows the performance specifications for Liebert drycoolers using a 40% by volume ethylene glycol solution at an av erage fluid temperature of 115°F with flow rates from 1.5 to 3 GPM/circuit and at standard air (.0 75 lbs/ft 3 ). Figure 2 and Figure 3 offer correction factors to Table 4 for average fluid temperature[...]

  • Page 8

    4 P ERFORMANCE D AT A T able 4 Drycooler perform ance dat a Model Number GPM Range No. of Circuits MBH/°F Initial Temperature Difference 1.5 GPM/CIR 2.0 GPM/CIR 2.5 GPM/CIR 3.0 GPM/CIR MBH/ITD PD ft. water MBH/ITD PD ft. water MBH /ITD PD ft. water MBH/ITD PD ft. water Standard Models 033 6-12 4* 1 .3 4.2 1.5 6.2 1.6 9.2 1.7 12.8 069 6-12 4 1.8 7.[...]

  • Page 9

    5 Figure 2 Cap acity correct ion factor Figure 3 Pressure drop correction fac tor Quiet-Line Models 040 6-12 4 1.4 7.4 1.5 11.4 1 .6 17.0 1.7 23.5 12-24 8 * 1.6 3.9 1.7 5.9 1.8 8.9 1.8 12.3 057 18-36 1 2* 2.1 3.6 2.2 6.1 2.3 8.6 2.3 11. 9 24-48 16 2.2 3.0 2.3 4.6 2 .3 6.2 2.4 8.6 060 12-24 8 2.2 7.1 2.3 11.3 2.4 16 .6 2.5 23.0 24-48 1 6* 2.4 3.8 2.[...]

  • Page 10

    6 D IMENSIONAL D AT A Figure 4 Dimensional dat a—1-4 fan models Figure 5 Dimensional dat a—6 & 8 fan models Figure 6 T ypical footprint and unit anchor plan Eyebolt s for lif ting condenser pro vided on 4, 6 & 8 fan models only Height to top of fan guard 43-1/8" (1095mm) 37-7/8" (962mm) L C 18" (457mm) 43-3/16" (1097[...]

  • Page 11

    7 T able 5 Drycooler physic al data Drycooler Model Circuits A B C L #Fans & Motors** Conn FNPT In/Out Standard Models -033 any 42 - 44 51.5 1 3/4 -069 any 42 - 44 51.5 1 1-1/4 -092 any 42 - 44 51.5 1 1-1/2 -109 any 42 - 44 51.5 1 2 -112 any 42 - 44 51.5 1 2 -139 any 82 - 84 91.5 2 2 -174 any 82 - 84 91.5 2 2 -197 any 82 - 84 91.5 2 2 -225 any [...]

  • Page 12

    8 E LECTRICAL D AT A T able 6 Drycooler electrical dat a # of F a n s 123468 Model # 33,69,92,109,112 139,174,197,22 5 260,310,350 352,419,466,491 620,650,700 790,880,940 Pump Hp ph FLA WSA OPD ph FLA WSA OPD ph FLA W SA OPD ph FLA WSA OPD ph FLA W SA OPD ph FLA WSA OPD 208/230/60 0.75 1 11.6 13.5 20.0 - - - - - - - - - - - - - - - - - - - - 0.75 3[...]

  • Page 13

    9 T able 7 Drycooler electrical dat a—Quietline models # of F a n s 123468 Model # 40,57,6 0 80,111,121 158,173,178 205,248 347,356 453,498 Pump Hp ph FLA WSA OPD ph FLA WSA OPD ph FLA W SA OPD ph FLA WSA OPD ph FLA W SA OPD ph FLA WSA OPD 208/230/ 60 0.75 3 5.3 6.2 15.0 3 7 .1 8.0 15.0 3 8.9 9.8 15.0 3 1 0.7 11.6 15.0 3 1 4.3 15.2 15.0 3 1 7.9 1[...]

  • Page 14

    10 G UIDE S PECIFICATIONS St andard Features for Direct Drive Propeller Fan Drycoolers Furnish and install Liebert Model ________ Air-Cooled Drycoo lers, arranged for vertical air flow. Dry- coolers shall be draw-through design and shall perform in accor- dance with the schedule. General Each drycooler shall consist of cas- ing, drycooler coil, pro[...]

  • Page 15

    11 C OMPONENT A SSEMBLY /I NST ALLATION Leg Assembly The legs are shipped loose and are to be field mounted as shown with the hardware provided. Rigging Holes in the drycooler legs permit lifting the unit. Spreader bars are required. Four, 6 and 8 fan models have additional lifting eyes. High V olt age Electrical Connections Line Voltage is connect[...]

  • Page 16

    12 A PPLICATION /I NST ALLATION G UIDELINES Location Guidelines To ensure an adequa te air supply, locate drycoolers in a clean air area , away from loose dirt and for- eign matter that may clog the coil. In addition, drycoolers must not be placed near steam, hot air, or fume exhausts. Also, drycoolers should be no closer than 3 feet from a wall, o[...]

  • Page 17

    13 P UMP P ACKAGES & E XP ANSION T ANK - O PTIONS Figure 8 Pump p ackage Figure 9 Pump mounting Notes 1. Sin gle pump packages are 17-1/4" (438 .2 mm) wide. Dual pump packages are 32-1/4" (819.2 mm) wide. 2. Mounting holes are 15-11/32" (389.7 mm) apart on single pump packages and 30-11/32" (770.7 m m) apart on dual pump pac[...]

  • Page 18

    14 S UPPLEMENT ARY A PPLICATION D AT A T able 9 Room dew point temperature s Dry bulb °F (°C) Wet bulb °F (°C) Rel. hum. % Dew point* °F (°C) 70 57.2 45 41.1 70 58.5 50 50.5 72 58.9 45 50.0 72 60.0 50 52.4 75 61.2 45 52.4 75 62.5 50 55.0 * Minimum glycol temperature before condensation will occur T able 10 Glycol concentration at various ambi[...]

  • Page 19

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  • Page 20

    The Comp any Behind the Product s With over a million installations around th e globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems fo r sensitive electronics: • Env ironmental systems—close-control air conditioning from 1 to 60 t[...]