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Recold JW Series Fluid Cooler
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Engineering Data
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Recold JW Series Fluid Cooler Contents / / 2 Construction ............................................................................................................... 3 Schematic ................................................................................................................... 4 Engineering Data ........................................................................................................ 5 Freeze Protection ......................................................
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Recold JW Series Fluid Cooler Construction / / 3 The JW Evaporative Fluid Cooler is a ruggedly built unit constructed to provide many years of durable, dependable service with minimal maintenance requirements. Quality materials and workmanship are a key factor in meeting this objective. FAN MOTORS DRIFT ELIMINATORS Fan motors furnished as standard equipment are open Eliminators are constructed of PVC assemblies in drip-proof type suitable for outdoor service. Motors removable, easy to
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Recold JW Series Fluid Cooler Schematic / / 4 A C ELIMINATOR K L L ACCESS INLET ACCESS DOOR OUTLET SPRAY HEADER CLEANOUT INLET CONNECTION G B OUTLET CONNECTION EXTERNAL FLOAT BOX F J WATER SUPPLY Q 7 / " MOUNTING 8 12" H 12" 2" HOLE (6) DRAIN AND 2" LIFTING OVERFLOW P D HOLE (4) Access Doors Overflow Water Dimensions Drain Supply Far Side Near Side Model FPT FPT A B C D F G H J K L Top Bottom Top Bottom P Q 1 1 1 1 1 JW10 80" 76" 31" 84" 32 ⁄2" 19 ⁄2" — 6" 53" 13 ⁄2" 1 1 — — 2 ⁄2" ⁄2" 1 1
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Recold JW Series Fluid Cooler Engineering Data / / 5 Approximate Weight lb Fan Motor Air Volume Fan Standard Fan Pump Motor Spray Water Sump Heater Model hp* cfm RPM Motor Frame hp GPM kW shipping operating 1 JW10A 2 5280 689 145T ⁄2 40 2.0 910 1400 1 JW10B 2 5150 706 145T ⁄2 40 2.0 955 1400 1 JW10C 3 5450 825 182T ⁄2 40 2.0 1005 1500 1 JW15B 5 8500 729 184T ⁄2 50 2.0 1365 2000 1 JW15C 5 8300 740 184T ⁄2 50 2.0 1435 2400 3 JW25A 5 11700 500 184T ⁄4 70 4.0 1850 2800 3 JW25B 5 11800 523 1
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Recold JW Series Fluid Cooler Freeze Protection / / 6 HEAT EXCHANGE COIL PROTECTION For the most part, evaporative closed circuit coolers will be installed for operation on a year-round basis. The best means of heat exchanger coil freeze Units installed in a cold climate must be provided with protection is to circulate an ethylene glycol water adequate freeze protection for both the recirculating solution. The solution freeze points with respective water and the heat exchange coil for
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Recold JW Series Fluid Cooler Selection Procedure / / 7 Closed circuit cooler selections can easily be made by using the information on pages 6 through 11. The examples below demonstrate proper procedures for water and ethylene glycol solutions. Other fluids can be cooled, but since their heat transfer and flow characteristics may vary, please contact your local Recold sales representative for assistance. WATER SELECTION EXAMPLE ETHYLENE GLYCOL EXAMPLE Select a unit to cool 225 GPM of wat
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Recold JW Series Fluid Cooler Load Factors / / 8 TABLE NO. 2 60° WET BULB 62° WET BULB RANGE RANGE 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 7 6.0 6.4 6.7 7.2 7.3 7.5 7.7 7.9 8.0 8.2 7 5.8 6.3 6.6 6.9 7.1 7.3 7.5 7.7 7.9 7.9 8.1 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 8 4.9 5.4 5.8 6.2 6.5 6.7 6.9 7.1 7.3 7.4 7.6 7.8 7.9 8.0 8.1 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 9 4.1 4.6 5.0 5.4 5.8
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Recold JW Series Fluid Cooler Load Factors / / 9 TABLE NO. 2 72° WET BULB 74° WET BULB RANGE RANGE 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 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 7 4.0 4.5 5.0 5.4 5.7 6.0 6.3 6.4 6.7 6.8 7.0 7.2 7.3 7.4 7.5 7.7 7.8 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 8 3.0 3.7 4.2 4.7 5.0 5.3 5.6 5.8 6.0 6.2 6.4 6.6 6.7 6.8 6.9 7.1 7.3 7.4 9 2.
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Recold JW Series Fluid Cooler Ratings / / 10 TABLE NO. 3: Selection Parameters Do not exceed the minimum and maximum flow rates given for each unit in column 2. Model JWH high flow rate units available only for models shown. Extrapolation of flow rating should not exceed the flow range printed for each unit. Unit Load Factors GPM Model No. Min-Max 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.2 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 JWL 10-35 10A 140 96 70 53 41 34 32 28 24 21 18 16 15 14 13 JW 36-126 JWL 21-62
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Recold JW Series Fluid Cooler Pressure Drop / / 11 TABLE NO. 4: Pressure Drop in PSI For feet of head, multiply by 2.31. Model JW - JWL - JWH GPM 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 1.1 1.4 1.7 0.9 1.1 1.3 0.7 1.0 1.2 45 2.1 3.0 3.6 2.3 2.8 1.4 1.8 2.1 1.0 1.3 1.6 0.9 1.2 1.5 50
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Recold JW Series Fluid Cooler Accessories / / 12 CAPACITY CONTROLS PUMP STRAINER Dual Fan Motors—The dual fan motor package is available as Pump intake extension and a cleanable non-ferrous pump strainer in a proven energy saving capacity control option. It consists of an easy access location is available. furnishing a high efficiency motor, a 1200 RPM, low speed motor, MODIFICATIONS TO WATER DISTRIBUTION SYSTEM two sets of drives and belts, extended fan shaft and motor bases Various pack
