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SPX Cooling Technologies JW Series manual

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Table of contents for the manual

  • Page 1

    / Recold ® JW Ser ies Fluid Cooler / En gine er in g D at a[...]

  • Page 2

    Recold / JW Ser ies Fluid Cooler / Contents 2 Construction ............................................................................................................... 3 Sc hematic ................................................................................................................... 4 Engineering Data ...............................[...]

  • Page 3

    Recold / JW Ser ies Fluid Cooler / Constr uction 3 The JW Evaporativ e Fluid Cooler is a ruggedly built unit constr ucted to provide many years of durable, dependable ser vice with minimal maintenance requirements. Quality materials and workmanship are a ke y factor in meeting this objective. F AN MO TOR S Fan motors furnished as st andard equipmen[...]

  • Page 4

    Recold / JW Ser ies Fluid Cooler / Schematic 4 A B G F C L L K H D J 12" 2" DRAIN AND OVERFLOW P EXTERNAL FLO A T BOX INLET CONNECTION SPRA Y HEADER CLEANOUT OUTLET CONNECTION 12" W A TER SUPPL Y Q INLET OUTLET ELIMINA T OR ACCESS ACCESS DOOR 2" LIFTING HOLE (4) 7 / 8 " MOUNTING HOLE (6) Model Dimensions Access Doors Overfl[...]

  • Page 5

    Recold / JW Ser ies Fluid Cooler / Engineer ing Data 5 Model Fan Motor hp* Air Volume cfm Fan RPM Standard Fan Motor Frame Pump Motor hp Spray Water GPM Sump Heater kW Approximate Weight lb shipping operating JW10A 2 5280 689 145T 1 ⁄ 2 40 2.0 910 1400 JW10B 2 5150 706 145T 1 ⁄ 2 40 2.0 955 1400 JW10C 3 5450 825 182T 1 ⁄ 2 40 2.0 1005 1500 JW[...]

  • Page 6

    Recold / JW Ser ies Fluid Cooler / Fr eez e Prot ection 6 F or the most part, ev aporative closed circuit coolers will be inst alled f or operation on a year -round basis. Units installed in a cold climate must be pro vided with adequate freez e protection for both the recirculating water and the heat exc hange coil f or proper equipment operation [...]

  • Page 7

    Recold / JW Ser ies Fluid Cooler / Selection Procedur e 7 Closed circuit cooler selections can easily be made by using the information on pages 6 through 1 1 . The examples below demonstrate proper procedures f or water and ethylene glycol solutions. Other fluids can be cooled, but since their heat transf er and flo w c haracteristics may var y , p[...]

  • Page 8

    Recold / JW Ser ies Fluid Cooler / Load F actors 8 60° WET BULB RANGE 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 APPROA CH 7 6.0 6.4 6.7 7. 2 7. 3 7. 5 7. 7 7. 9 8.0 8.2 8 5.6 6.0 6.4 6.7 6.9 7. 1 7. 3 7. 5 7. 6 7. 8 7. 9 8.0 9 4.3 4.8 5.3 5.7 6.0 6.3 6.5 6.8 6.9 7. 1 7. 3 7. 4 7. 6 7. 7 7. 8 7. 9 8.0 10 4.0 4.5 5.0 5.4 5.7 6.0 6.2 6.4 6.[...]

  • Page 9

    Recold / JW Ser ies Fluid Cooler / Load F actors 9 72° WET BULB RANGE 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 APPROA CH 7 4.1 4.7 5.1 5.5 5.9 6.1 6.4 6.6 6.8 7. 0 7. 1 7. 3 7. 4 7. 6 7. 7 7. 8 7. 9 8 3.1 3.8 4.3 4.8 5.1 5.5 5.7 6.0 6.2 6.4 6.6 6.7 6.9 7. 0 7. 1 7. 3 7. 4 7. 5 9 2.9 3.5 4.1 4.4 4.8 5.1 5.4 5.6 5.8 6.0 6.1 6.4 6.5 6.6 6.[...]

  • Page 10

    Recold / JW Ser ies Fluid Cooler / Ratings 10 T ABLE NO. 3: Selection P arameters Do not exceed the minimum and maximum flow rates given for each unit in column 2. Model JWH high flow rate units av ailable only for models shown. Extrapolation of flow rating should not exceed the flow range printed for eac h unit. Mo de l No . GPM Min -Max Un it Lo [...]

  • Page 11

    Recold / JW Ser ies Fluid Cooler / Pr essure Drop 11 GPM Model JW - JWL - JWH 10A 10B 10C 15B 15C 25A 25B 25C 35A 35B 35C 50A 50B 50C 70B 70C 85B 85C 100B 100C 115B 115C 130B 130C 10 1 .1 20 3.5 0.7 0.9 25 5.2 1 .1 1 .3 0.8 1 .0 30 6.9 1 .5 1 .8 1 .1 1 .3 0.7 0.8 1 .1 35 9.1 1 .0 2.3 1 .5 1 .8 0.9 1 .0 1 .4 0.7 0.9 1 .1 40 1 .7 2.4 2.9 1 .8 2.2 1 .[...]

  • Page 12

    Recold / JW Ser ies Fluid Cooler / Accessor ies 12 R ECO LD P RO DU CT S 550 W ME R CU RY LANE B R EA, C ALI FOR N IA 92821 U N ITE D S T A TES 7 04 529 608 0 info@recold.com spxcooling.com In the inter est of tec hnological progress, all products are subject to design and/or material change without notice. ©2008 SPX Cooling T echno logies, Inc. P[...]